US20050166324A1 - Romovable footboard for a hospital bed - Google Patents
Romovable footboard for a hospital bed Download PDFInfo
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- US20050166324A1 US20050166324A1 US11/088,468 US8846805A US2005166324A1 US 20050166324 A1 US20050166324 A1 US 20050166324A1 US 8846805 A US8846805 A US 8846805A US 2005166324 A1 US2005166324 A1 US 2005166324A1
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- Prior art keywords
- frame
- footboard
- connector
- electrical connector
- alignment apparatus
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- Abandoned
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
- H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0506—Head or foot boards
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0507—Side-rails
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0507—Side-rails
- A61G7/0508—Side-rails characterised by a particular connection mechanism
- A61G7/0509—Side-rails characterised by a particular connection mechanism sliding or pivoting downwards
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0507—Side-rails
- A61G7/0512—Side-rails characterised by customised length
- A61G7/0513—Side-rails characterised by customised length covering particular sections of the bed, e.g. one or more partial side-rail sections along the bed
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0507—Side-rails
- A61G7/0524—Side-rails characterised by integrated accessories, e.g. bed control means, nurse call or reading lights
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0527—Weighing devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0528—Steering or braking devices for castor wheels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
- A61G2203/20—Displays or monitors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/32—General characteristics of devices characterised by sensor means for force
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/34—General characteristics of devices characterised by sensor means for pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/44—General characteristics of devices characterised by sensor means for weight
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
- A61G2203/723—Impact absorbing means, e.g. bumpers or airbags
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/018—Control or drive mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5224—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for medical use
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S5/00—Beds
- Y10S5/94—Beds with alarm means
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
An apparatus for supporting a patient comprising a frame, a footboard and a control panel. The footboard is removable from the patient support.
Description
- This application is a continuation of U.S. patent application Ser. No. 10/940,480, filed Sep. 14, 2004, which is a continuation of U.S. patent application Ser. No. 10/038,986, filed Nov. 19, 2001, now U.S. Pat. No. 6,791,460, which is a continuation of U.S. patent application Ser. No. 09/737,111, filed Dec. 14, 2000, now U.S. Pat. No. 6,320,510, which is a divisional of U.S. patent application Ser. No. 09/264,174, filed Mar. 5, 1999, now U.S. Pat. No. 6,208,250, the disclosures of which are expressly incorporated herein by reference.
- The present invention relates to patient supports such as hospital beds, carts, chairs, and stretchers. More particularly, the present invention relates to a removable footboard coupled to a patient support.
- According to an illustrative embodiment of the present disclosure, a patient support includes a frame, a footboard removably connectable to the frame, a control panel coupled to the footboard, a first electrical connector, and a second electrical connector. The first electrical connector is located on the footboard and is operably coupled to the control panel. The second electrical connector is coupled to the frame. The second electrical connector is configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame.
- According to another illustrative embodiment of the present disclosure, a patient support includes a frame, a footboard, a control panel, a mounting assembly, a first electrical connector, and a second electrical connector. The control panel is coupled to the footboard. The mounting assembly is configured to couple the footboard to the frame. The first electrical connector is operably coupled to the control panel. The second electrical connector is operably coupled to a controller. The second electrical connector is configured to be removably connectable to the first electrical connector.
- According to another illustrative embodiment of the present disclosure, a patient support includes a frame a footboard, a first electrical connector located on the footboard, a second electrical connector coupled to the frame, a first connector alignment apparatus, and a second connector alignment apparatus. The second electrical connector is configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame. The first connector alignment apparatus has a connector receiving portion configured to secure the first electrical connector to the first connector alignment apparatus. The second connector alignment apparatus has a connector receiving portion configured to secure the second electrical connector to the second connector alignment apparatus.
- According to another illustrative embodiment of the present disclosure, a patient support includes a frame, a footboard, a first electrical connector, and a second electrical connector. The footboard is removably connectable to the frame. The first electrical connector is located on the footboard. The second electrical connector is coupled to the frame. The second electrical connector is configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame.
- According to yet another illustrative embodiment of the present disclosure, a patient support includes a frame, a footboard, a power source, a control panel, a first electrical connector, and a second electrical connector. The footboard is removably connectable to the frame. The control panel is coupled to the footboard. The control panel includes at least one lockout switch configured to lockout at least one of a plurality of bed functions. The first electrical connector located on the footboard and is operably coupled to the control panel. The second electrical connector is coupled to the frame and is operably coupled to the power source. The second electrical connector is configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame. The power source is configured to provide power to the control panel when the footboard is coupled to the frame.
- Additional features and advantages of the invention will become apparent to those skilled in the art upon consideration of the following detailed description of illustrated embodiments exemplifying the best mode of carrying out the invention as presently perceived.
- The detailed description particularly refers to the accompanying figures in which:
-
FIG. 1 is a perspective view of a hospital bed which includes a patient position detection apparatus in accordance with the present invention and which includes a footboard having an electrical connector alignment apparatus of the present invention; -
FIG. 2 is an end view of the footboard ofFIG. 1 illustrating further details of the electrical connector alignment apparatus; -
FIG. 3 is an exploded perspective view of portions of the hospital bed ofFIG. 1 illustrating a base frame, a weigh frame, an intermediate frame, a retracting frame, an articulating deck, a first set of sensors for detecting the weight of a patient on the deck, and a second set of sensors located on the articulating deck for detecting the position of the patient on the deck; -
FIG. 4 is a partial sectional view illustrating a load cell configured to connect the weigh frame to the base frame; -
FIG. 5 is a perspective view of a head end siderail which includes a control panel for operating the patient position detection apparatus of the present invention; -
FIG. 6 is an enlarged view of the control panel ofFIG. 5 which is used to control the mode of operation of the patient position detection apparatus and the volume of the alarms generated by the detection apparatus; -
FIG. 7 is a block diagram illustrating the control electronics of the patient position detection apparatus; -
FIG. 8 is a top plan view of the articulating deck of the bed with the second set of sensors mounted on the deck; -
FIGS. 9 and 10 are flow charts illustrating a main loop of steps performed by the controller for monitoring inputs from the control panel and the first and second sets of sensors to control operation of the patient position detection apparatus in a position mode, an exiting mode, and an out-of-bed mode; -
FIG. 11 is a flow chart illustrating steps performed by the controller in the position mode; -
FIG. 12 is a flow chart illustrating steps performed by the controller in the exiting mode; -
FIG. 13 is a flow chart illustrating steps performed by the controller in the out-of-bed mode; -
FIG. 14 is a perspective view of a first electrical connector alignment apparatus configured to be coupled to the footboard of the bed; -
FIG. 15 is a perspective view of a second electrical connector alignment apparatus configured to be coupled to the retracting frame of the bed; and -
FIG. 16 is an exploded perspective view illustrating the first and second electrical connector apparatuses with electrical connectors installed therein and located on the footboard and retracting frame, respectively. - Referring now to the drawings,
FIG. 1 illustrates ahospital bed 10 of the present invention. Thebed 10 includes abase frame 12 having a plurality ofcasters 14 and brake/steer control pedals 16 mounted adjacent each of thecasters 14. Details of the operation of the brake/steer control mechanism are disclosed in U.S. Pat. No. 6,321,878, entitled CASTER AND BRAKING SYSTEM, which is hereby incorporated by reference. - As best shown in
FIG. 3 , thebed 10 includes aweigh frame 18 coupled to thebase frame 12, anintermediate frame 19 coupled to theweigh frame 18, a retractingframe 20 coupled to theintermediate frame 19, and anarticulating deck 22 coupled to theintermediate frame 19 and the retractingframe 20. Brackets 21 on opposite sides offrame 20 are configured to be coupled between thehead section 106 and thethigh section 110 ofdeck 22 with suitable fasteners (not shown). - Referring again to
FIG. 1 , thebed 10 includes aheadboard 24 mounted adjacent ahead end 26 of thebed 10 and afootboard 28 mounted to theframe 20 adjacent afoot end 30 ofbed 10.Bed 10 further includes a pair ofhead end siderails 32 and a pair offoot end siderails 34 mounted to the articulatingdeck 22 on opposite sides of thebed 10. Further details ofhead end siderail 32 are illustrated inFIG. 5 . Siderails 32 and 34 are coupled to the articulatingdeck 22 in a conventional manner using aconnector mechanism 35 best shown inFIG. 5 . Thesiderails FIG. 1 to an elevated position (not shown) located above atop surface 36 ofmattress 38.Mattress 38 is located on articulatingdeck 22 for supporting a patient thereon. - The
footboard 28 includes a plurality of buttons, knobs, switches orother controls 40 for controlling various functions of thebed 10.Controls 40 are located on a topinclined panel 42 and a bottominclined panel 44 on thefootboard 28. Acover 46 is pivotably coupled to thefootboard 28 by apivot connection 48 so that the cover can be pivoted downwardly to conceal at least thecontrols 40 located on the topinclined panel 42. - One of the controls on the
footboard 28 is illustratively alockout button 61 for entertainment functions which are controlled by patient input control panels on thebed 10. In other words, a caregiver can pressbutton 61 to lock out entertainment functions on thebed 10. An indicator light is provided adjacent theentertainment lockout control 61 to provide an indication when theentertainment lockout 61 is activated. When theentertainment lockout 61 is activated, the patient cannot turn on the television, radio, stereo, video player, computer or other entertainment device typically available on the bed or in the room. Theentertainment lockout control 61 is illustratively located below thecover 46 on thefootboard 28. It is understood, however, that the entertainment lockout may be located at other positions on the bed. - The
bed 10 also includes a plurality of lockout switches 63 which are illustratively located on thefootboard 28. It is understood that the lockout switches 63 may be located at any other position on thebed 10. The lockout switches 63 are coupled to thecontroller 50 to permit a caregiver to lock out selected functions which are normally controlled by the patient. Using patient controls that are typically located on the head end siderails 32. For example, lockout switches 63 may deactivate controls for a night light, a back light, head or knee articulation, a hi/lo mechanism, or the entertainment devices discussed above. In addition, a master lockout switch is provided to lock out the head and knee articulation and the hi/lo control mechanism controls. -
Panel 42 illustratively includes an indicator light (not shown) adjacent each of the lockout switches 63 to provide an indication when aparticular lockout switch 63 is pressed. In addition, thebed 10 includes a separate lockout indicator light 65 located at a location on thebed 10 spaced apart from the lockout switches 63. In the illustrated embodiment, the separatelockout indicator light 65 is located on the head end siderail 32 as shown inFIG. 5 .Indicator light 65 provides the nurse with a visual indication that one of the lockout switches 63 has been pressed. -
Footboard 28 also includesside bumpers 66 andapertures 68.Apertures 68 provide handles to facilitate movement of thebed 10. Illustratively,headboard 24 andfootboard 28 are made from a plastic material using a blow molding process. It is understood, however, that theheadboard 24 andfootboard 28 may be made from other materials and from other processes, if desired. - The
controls 40 on thefootboard 28 are electrically coupled to acontroller 50 shown inFIG. 3 . Thecontroller 50 and other bed electronics are illustratively mounted onframe 20. A firstconnector alignment apparatus 52 is coupled to thefootboard 28 and a secondconnector alignment apparatus 54 is coupled to theframe 20. As shown inFIGS. 2 and 3 ,footboard 28 is formed to includeapertures 56 which slide overposts 58 on theframe 20 during installation of thefootboard 28 onto theframe 20 in the direction ofarrow 60 inFIG. 3 .Posts 58 andapertures 56 therefore provide initial alignment between thefootboard 28 and theframe 20. First and secondconnector alignment apparatuses electrical connectors FIGS. 14-16 . - The patient position detection apparatus of the present invention uses two different types of
sensors sensors 70 is used to detect when a patient exits thebed 10. A second set ofsensors 104 is used to determine a position of the patient on thedeck 22 of thebed 10. In the illustrated embodiment, the first type of sensors includeload cells 70 which are mounted at the four corners of theweigh frame 18. Details of the mounting of theload cells 70 between thebase frame 12 and theweigh frame 18 are illustrated inFIGS. 3 and 4 .Base frame 12 includesside frame members 72 andtransverse frame members 74 extending between theside frame members 72. Weighframe 18 includes a pair of hollowside frame members 76.Load cells 70 are well known.Load cells 70 typically include a plurality of strain gauges located within a metal block. - As best shown in
FIG. 4 , a mountingball 78 is coupled to theload cell 70. Illustratively, mountingball 78 includes a threaded stem which is screwed into threads in theload cell 70. Mountingball 78 is located within anaperture 80 formed in a mountingblock 82. Mountingblocks 82 are secured to thetransverse frame members 74 bysuitable fasteners 84 at the four corners of thebase frame 12. A mountingbar 86 is coupled to anarm 88 ofload cell 70 byfasteners 90. Mountingbar 86 is then secured to atop surface 92 ofside frame member 76 ofweigh frame 18 bysuitable fasteners 94 andwashers 96. Mountingbar 86 is not coupled to arm 98 ofload cell 70. Therefore,load cell 70 may be deflected downwardly in the direction ofarrow 100 when weight is applied to theweigh frame 18. Such deflection in the direction ofarrow 100 changes an output voltage which provides an indication of weight change on the weigh frame.Load cells 70 are coupled to asignal conditioner 53 bywires 102. Thesignal conditioner 53 is then coupled to thecontroller 50 on thebed 10 bywires 102. - Although the specification and claims of this application refer to a
controller 50, it is understood that thebed 10 will typically include several controllers which control different functions on the bed. These controllers may be located at any location on the bed and are not limited to the location illustrated inFIG. 3 . Thecontrollers 10 typically are microprocessor based controllers. Output signals from various devices may need to be conditioned prior to being coupled to the controller. For instance, analog signals may need to be converted to digital signals for processing by the microprocessor of the controller. Therefore, the word controller is used broadly to include any type of control circuitry necessary to process the output signals and produce the desired control outputs or signals. - A second set of
sensors 104 is illustrated inFIGS. 3 and 8 . Articulatingdeck 22 includes ahead deck section 106, aseat deck section 108, athigh deck section 110, and aleg deck section 112. The second set ofsensors 104 includes ahead section sensor 104 coupled tohead deck section 106 byfasteners 116.Sensor 114 is elongated and extends along alongitudinal axis 118 of thedeck 22.Seat sensor 120 is coupled toseat deck section 108 byfasteners 116.Sensor 120 extends in a direction transverse to thelongitudinal axis 118.Thigh sensors thigh deck section 110 byfasteners 116. The locations ofsensors FIG. 8 . - Illustratively,
sensors Fasteners 116 are illustratively rivets which secure thesensors deck 22 as best shown inFIG. 8 .Sensors controller 50 on thebed 10 bywires 126. - As pressure on the
sensors sensors controller 50 determines the position of the patient on thedeck 22. In particular, thecontroller 50 determines when the patient moves away from a central portion of the bed and too close to the side edges 23 or 25 on thedeck 22.Controller 50 then provides an indication that the patient is at risk of exiting the bed. - Using the two different types of
sensors bed 10. In an out-of-bed mode, onlysensors 70 are used to activate an alarm when a patient completely exits the bed. In a second exiting mode, both sets ofsensors sides deck 22 or on thedeck 22 near thehead end 26 orfoot end 30. In other words, a pre-exit alarm is sounded when the patient moves outside a central portion of thedeck 22 on thebed 10. In a third position mode, both sets ofsensors head sensor 114 on thedeck 22 as discussed below. -
FIG. 7 is a block diagram illustrating the electronic control components of the patient position detection apparatus. As discussed above, the first andsecond sensors controller 50. Thecontroller 50 processes signals from the first andsecond sensors caregiver control panel 130 is mounted on thebed 10 to control operation of the patient position detection apparatus. Preferably, thecaregiver control panel 130 is mounted on the head end siderail 52 as best shown inFIG. 5 . Thecontrol panel 130 may also be on a pendant or on a remote control device electrically coupled to thecontroller 50. Thecaregiver control panel 130 includes control buttons, switches, knobs, etc. for setting the particular type of tone for the audible alarm and for setting a volume of the alarm for each of the detection modes as illustrated atblock 132. In addition, thecaregiver control panel 130 includes control buttons, switches, knobs, etc. to set the particular type of detection mode for the apparatus as discussed below. Inputs from thecaregiver control panel 130 are transmitted to thecontroller 50.Controller 50 also transmits signals to thecaregiver control panel 130 to control indicator lights 136 on thecaregiver control panel 130. - If an alarm condition is detected by
controller 50 as discussed below in detail,controller 50 controls either audible or visuallocal alarms 138 within the room or on thebed 10.Controller 50 may also be used to turn on the room lights 140 when an alarm condition is detected. Finally, thecontroller 50 activates anurse call alarm 142 to send an indication of the alarm condition to a nurse station located at a remote location. - The apparatus of the present invention further includes a nurse call reset or
clear button 144 located on thebed 10. Thisclear button 144 sends a signal tocontroller 50 to clear the nurse call 142 alarm once the nurse call 142 alarm has been activated at the remote nurse call station. Nurse callclear button 144 permits the caregiver to clear or reset the remote patient alarm while at thebed 10 after responding to the alarm condition. Currently, caregivers must cancel the nurse callbed exit alarm 142 by returning to the nurse call station or by deactivating the alarm somewhere else in the hospital, other than at thebed 10.Button 144 permits the caregiver to clear the nurse callbed exit alarm 142 after responding to the alarm condition at thebed 10.Controller 50 is also coupled to acommunication network 55 so that thecontroller 50 can transmit output signals to a remote location. - In an alternative embodiment of the present invention,
controller 50 is programmed to deactivate thelocal alarm 138 if the patient returns tobed 10 or returns to a correct position on thebed 10 depending upon the mode selected. This feature may encourage the patient to return to the correct position on thebed 10 since the alarm will be deactivated when the patient returns to the correct position. Thenurse call alarm 142 typically remains activated so that the caregiver may still respond to the alarm, even if the local audible andvisual room alarm 138 is deactivated. -
FIG. 6 illustrates further details of thecaregiver control panel 130 which is illustratively located on thehead end siderail 132.Control panel 130 includes akey button 150, amode control button 152, and avolume control button 154. In order to adjust the detection mode or volume of the alarm, the caregiver must depress thekey button 150 and hold it down while depressing the desiredmode button 152 orvolume button 154. With thekey button 150 held down, the caregiver can scroll through the modes of operation by pressing themode button 152. Separate indicator LEDs are provided to indicate which mode is selected. The Position Mode is indicated byLED 156, the Exiting Mode is indicated byLED 158, and the Out-of-Bed Mode is indicated byLED 160. If none of theLEDs - If the Position Mode is selected, all three
LEDs LEDs - By requiring the depression of both the
key button 150 and themode button 152 orvolume button 154 and by placing thesebuttons siderail 32, the patient is deterred from changing modes or volumes. The caregiver can change the volume of the alarm between a high setting, a medium setting, and a low setting by pressing thekey button 150 and simultaneously pressing thevolume button 154. Subsequent presses of thevolume button 154 change the volume to different levels.Indicator LEDs LEDs LEDs volume LEDs - When a local alarm condition is detected by
controller 50 as discussed below. An appropriate LED for Position Mode, Exiting Mode, and Out-of-Bed Mode will flash on thecontrol panel 30 to indicate an alarm condition for that mode. More than one of theLEDs Position Mode LED 156 may begin to flash when an alarm condition is detected by the Position Mode. Since the Out-of-Bed Mode is also run in Position Mode, the Out-of-Bed LED 160 may also be flashing if the patient has exited the bed. -
Caregiver control panel 130 also includes anindicator LED 170 to provide an indication that thebed 10 is not down. This indicator LED 170 is lit when thedeck 22 is not in its lowest position relative to the floor. In addition,caregiver panel 130 includes anindicator LED 172 which provides an indication when the brake on thecasters 14 is not set. When positioned in a room, thebed 10 is typically set so that thedeck 22 is in its lowest position and the brake is set. Therefore,indicator LEDs -
FIG. 8 shows the illustrative arrangement of thesensors deck 22. It is understood that other arrangements of the second set ofsensors 104 may be used in accordance with the present invention. In addition, additional sensors may be provided such as asensor 125 located on theleg deck section 112. Although thesecond sensors 104 are illustratively resistive sensors, it is understood that other types of sensors may be used in accordance with the present invention. For example, capacitance sensors such as shown in U.S. Pat. No. 5,808,552 or in U.S. Pat. No. 6,067,019, which are incorporated herein by reference, may be used as the second sensors. In addition, a piezoelectric sensor such as disclosed in U.S. Pat. No. 6,252,512, filed Mar. 5, 1999, entitled A MONITORING SYSTEM AND METHOD, which is hereby incorporated by reference may also be used. In another embodiment, thesensors 104 are coupled to a stop or bottom surface of themattress 38 or are located within an interior region of themattress 38. -
FIGS. 9-12 are flow charts illustrating operation of thecontroller 50 of the present invention and each of the three patient position detection modes. The main software loop of thecontroller 50 is illustrated inFIGS. 9 and 10 . The main loop begins atblock 200 ofFIG. 9 .Controller 50 first updates the status of the indicator lights 136 oncontrol panel 130 or elsewhere as illustrated atblock 202.Controller 50 then determines whether the patient detection system is on atblock 204. If the detection system is not on,controller 50 advances to block 230 as illustrated atblock 205. If the patient detection system is on,controller 50 checks the mode of the detection system as illustrated atblock 206. Specifically,controller 50 determines whether the detection system is in position mode as illustrated atblock 208, exiting mode as illustrated atblock 210, or out-of-bed mode as illustrated atblock 212. - If the controller is in position mode as illustrated at
block 208 or exiting mode as illustrated atblock 210, thecontroller 50 will run the control loops for these modes as discussed below. After running the positioning mode loop or the exiting mode loop, thecontroller 50 will also run the out-of-bed mode loop when the controller is set in position mode or exiting mode. In other words, if the detection system is on, the out-of-bed mode will always be checked. -
Controller 50 then determines whether the mode was just activated atblock 214. If the particular mode was not just activated, thecontroller 50 advances to block 246 ofFIG. 11 if the system is in position mode as illustrated atblock 216. If the particular mode was not just activated,controller 50 advances to block 264 ofFIG. 12 if the system is in exiting mode as illustrated atblock 218. If the particular mode was not just activated,controller 50 advances to block 278 ofFIG. 13 if the system is in out-of-bed mode as illustrated atblock 220. - If the mode was just activated at
block 214,controller 50 reads all the sensor values from the first and second sets ofsensors block 222.Controller 50 then determines whether the sensor values are within the preset specifications as illustrated atblock 224. In the position mode,controller 50 is only concerned with thehead sensor 114. Therefore, in position mode, the output fromhead sensor 114 is checked. The output value fromsensor 114 is within specification if thehead sensor 114 output signal corresponds to a range of weights between 50-450 lbs. Therefore, for position mode, thesensor 114 is typically not within specification if thehead sensor 114 is not plugged in, shorted, or if a patient is not on thebed 10. - For exiting mode,
controller 50 checks all theload cells 70 andsensors load cells 70 must be within a predetermined range based on average human weights.Controller 50 also determines whether any of thesensors controller 50 only looks atload cells 70 to make sure that at least a predetermined minimum weight reading is obtained in order to indicate that a patient is on thebed 10. - If the values read at
block 222 are not within specifications,controller 50 will send a local alarm as illustrated atblock 226 so that the caregiver can investigate the problem as illustrated atblock 226.Controller 50 then turns the detection system off as illustrated atblock 227 and advances to block 230 as illustrated atblock 229. If the retrieved sensor values are within the specifications atblock 224,controller 50 stores all the sensor values inmemory 51 as illustrated atblock 228.Controller 50 then advances to block 230 as illustrated atblock 229. - In the illustrated embodiment, the
key button 150 oncontrol panel 130 is a hardware switch. If thekey button 50 is not pressed, thecontroller 50 does not receive the signal from themode button 152 or thevolume button 154. Therefore, if the key button is not pressed as illustrated atblock 232,controller 50 returns to block 200 as illustrated atblock 244. If thekey button 150 and themode button 152 are pressed as illustrated atblock 234, thecontroller 50 will receive an input based on the mode button press. If thekey button 150 and thevolume button 154 are pressed as illustrated atblock 236, thecontroller 50 will receive an input signal from thevolume button 154 press. If thekey button 150, themode button 152, and thevolume button 154 are all pressed as illustrated atblock 238, thecontroller 50 will receive input signals from both the mode button press and the volume button press. If the key button and at least one other button are pressed atblocks controller 50 will update the mode and volume settings inmemory 51 as illustrated atblock 240.Controller 50 then returns to block 200 as illustrated atblock 244. - Operation of the
controller 50 in position mode is illustrated beginning atblock 246 ofFIG. 11 .Controller 50 first reads the current value ofhead sensor 114 as illustrated atblock 248. The current head sensor value is abbreviated as CV. Next,controller 50 retrieves the stored value forhead sensor 114 which was stored inmemory 51 atblock 228 as illustrated atblock 250. The stored sensor value is abbreviated as SV.Controller 50 then determines a scaler value based upon the stored head sensor value. In the illustrated embodiment, an 8 bit A/D converter is used to convert the output from thesensors 104. Therefore, the value SV ranges from 1-256 in the illustrated embodiment. Smaller values of SV indicate larger weight on thesensors 104. It is understood that this range could be varied depending upon the particular A/D converter used. Therefore, the range of 1-256 is only for illustrative purposes.Controller 50 sets the scaler value as illustrated in the table atblock 252. The scaler value remains constant until the mode is reactivated. Next,controller 50 calculates the acceptable range for the current head sensor value (CV) as illustrated at -
- Install Equation Editor and double-click here to view equation.
block 254. The acceptable range is:
- Install Equation Editor and double-click here to view equation.
-
Controller 50 determines whether the current head sensor value CV is within the acceptable range as illustrated atblock 256. If so,controller 50 determines that the patient is in the proper position on the deck and returns to block 230 as illustrated atblock 262. If the current head sensor value is not within the acceptable range atblock 256,controller 50 determines whether a timer has expired atblock 258. If not,controller 50 advances back to block 230. If the timer has expired,controller 50 determines that the patient is out of position and activates thelocal alarms 138 as illustrated atblock 260.Controller 50 also activates anurse call alarm 142, and may turn on the room lights 140 atblock 260.Controller 50 then advances to block 278 and runs the out-of-bed mode check as illustrated atblock 262. - Operation of the patient detection system in exiting mode is illustrated beginning at
block 264 inFIG. 12 .Controller 50 advances to block 264 fromblock 218 inFIG. 9 . In exiting mode,controller 50 first runs the positioning mode loop as illustrated atblock 266. In other words, thecontroller 50 useshead sensor 114 to check the patient's position using the flow chart discussed above in reference toFIG. 11 .Controller 50 determines whether the current head sensor value CV is within the acceptable range as illustrated atblock 268. If so,controller 50 determines that the patient is in the proper position and advances to block 278 to run the out-of-bed mode check as illustrated atblock 276 inFIG. 12 . - If the head sensor value is not within the acceptable range at
block 268,controller 50 runs a sensor test forseat sensor 120 andthigh sensors FIG. 11 . Scaler values may be adjusted for thedifferent sensors -
Controller 50 then determines whether two of the three remainingsensors block 272 by comparing the current sensor values to ranges based on the corresponding stored sensory values. If so,controller 50 determines that the patient is in an acceptable position on thedeck 22 and advances atblock 230 as illustrated atblock 276. If two of the three sensors are not within the acceptable ranges atblock 272,controller 50 determines that the patient is out of position and updates thelocal alarms 238, activates thenurse call alarm 142, and may turn on the room lights 140 as illustrated atblock 274.Controller 50 then advances to block 230 as illustrated atblock 276. In exiting mode, the patient position detection apparatus of the present invention permits the patient to move around more on thedeck 22 before an alarm is activated compared to the position mode. Therefore, position mode is the most sensitive setting for the patient position detection apparatus of the present invention. - It is understood that other configurations may be provided for the locations of
sensors 104. A different number ofsensors 104 may be used. Thesensors 104 may be mounted at different locations on thedeck 22, on themattress 38, or elsewhere on thebed 10. - Operation of the patient position detection system in the out-of-bed mode is illustrated beginning at
block 278 inFIG. 13 .Controller 50 advances to block 278 fromblock 220 inFIG. 9 . In the out-of-bed mode,controller 50 detects an average current weight of the patient as illustrated atblock 280. For instance, thecontroller 50 can take four readings from eachload cell 70 and divide by four to get an average current weight. Next,controller 50 retrieves the stored initial weight frommemory 51 as illustrated atblock 282.Controller 50 subtracts the stored weight from the current weight as illustrated atblock 284. - Next,
controller 286 determines whether the weight on thebed 10 detected atblock 280 has increased or decreased by more than 30 lbs. compared to the initial stored weight retrieved atblock 282. If the weight has not changed by more than 30 lbs., controller returns to block 230 as illustrated atblock 294. If the weight has changed by more than 30 lbs. atblock 286,controller 50 determines whether a timer has expired atblock 288. If the timer has not expired,controller 250 advances to block 230 as illustrated atblock 294. If the timer has expired atblock 288, thecontroller 50 determines whether the difference calculated atblock 284 is less than −30 lbs. atblock 290. If so,controller 50 determines that the patient has exited thebed 10 and updates thelocal alarms 138, thenurse call alarm 142 and may turn on the room lights 140 as illustrated atblock 292.Controller 50 then returns to block 230 as illustrated atblock 294. - If the difference is not less than −30 lbs. at
block 290,controller 50 determines whether the difference calculated atblock 284 is greater than 30 lbs. as illustrated atblock 296. If so,controller 50 determines that substantial additional weight has been added to the bed and updateslocal alarms 138 only as illustrated atblock 298. Thenurse call alarm 142 may also be activated, if desired.Controller 50 then advances to block 230 as illustrated atblock 294. If the difference is not greater than 30 lbs. atblock 296,controller 50 clears the local alarm only atblock 300 and then advances to block 230 as illustrated atblock 294. - It is understood that the 30 lbs. threshold value for the out-of-bed mode may be adjusted upwardly or downwardly depending upon the weight of the patient. In other words, if the patient is particularly heavy, the 30 lb. threshold may be increased, for example.
- It is understood that the patient detection apparatus of the present invention may have more than three modes of operation if desired. The separate modes may have different sensitivity levels.
- The out-of-bed mode of the present invention may be armed with the patient in the
bed 10. In some beds having scales, the patient must be removed in order to determine a tare weight of the bed prior to the patient getting into the bed in order to arm the bed exit detector. In the out-of-bed mode of the present invention, removing the patient from the bed is not required in order to arm the bed exit detection system. - The patient position detection system of the present invention may be quickly switched from a normal bed exit system in which an alarm is generated only when a patient exits the bed to a predictive bed exit system in which an alarm is generated when a patient moves away from a center portion of the bed. In an embodiment of the invention, the output signals from the first and second set of
sensors bed 10, or at a remote location to record movements of the patient. Thecontroller 50 or a controller at the remote location monitors the sensor output values to determine whether the patient is moving on thebed 10. In one embodiment, thecontroller 50 or controller at a remote location generates a caregiver alert signal or alarm if the patient has not moved on the bed within a predetermined period of time. Therefore, the caregiver can go to thebed 10 and rotate the patient in order to reduce the likelihood that the patient will get bed sores. For example, if the patient hasn't moved for a predetermined period of time, such as two hours, a signal is generated advising the caregiver to move the patient. If thesensors - In another embodiment of the present invention, the output signals from the four
sensors 70 located at the corners of thebase frame 12 are used to provide an indication when one of the frames or the deck hits an obstruction when moving from the high position to a low position. In particular, theprocessor 50 determines when an output signal from one of thesensors 70 at the corners generates a negative value or a greatly reduced weight reading within a short period of time. This rapid change in the output signal indicates that an obstruction has been hit. Therefore,controller 50 can provide an output signal to stop the hi/lo mechanism from lowering the frames and deck. An alarm signal is also provided, if desired. - In another embodiment of the present invention, the
controller 50 is configured to transmit data to a nurse station located at a remote location over thecommunication network 55. This data illustratively includes information related to at least one of patient weight, the patient's position on the support surface of thebed 10, a bed exit indicator, the mode of operation of the patient position detection apparatus, a brake not set indicator, a bed not down indicator, or other data related to the status of the bed or the status of the patient. This permits the nurse to detect the information related to the status of the bed or the status of the patient at the central nurse station without having to check each bed separately. -
FIGS. 14-16 further illustrate the connector alignment apparatus of the present invention. The firstconnector alignment apparatus 52 is illustrated inFIG. 14 , the secondconnector alignment apparatus 54 is illustrated inFIG. 15 .Connector alignment apparatus 52 is configured to receive a first pair ofelectrical connectors 62 shown inFIG. 16 which include ahousing 304 having a first pair of spaced-apart flanges 306 and a second pair of spaced-apartflanges 308.Flanges 308 are each formed to include anaperture 310. Connectors 302 include a plurality ofelectrical terminals 312 extending away fromhousing 304. Alignment posts 313 extend fromhousing 304 ofconnector 62 further thanterminals 312. Theterminals 312 are electrically connected to conductors of acable 314.Cable 314 ofconnectors 62 are connected to controls 40.Connector alignment apparatus 54 is configured to receive femaleelectrical connectors 64. Those numbers referenced by numbers onconnectors 62 perform the same or similar function.Connectors 64 includefemale socket contacts 318 configured to receiveterminals 312 of connector 302. Illustratively, cables extending fromconnectors 64 are coupled to thecontroller 50 onbed 10. - Referring now to
FIG. 14 ,connector alignment apparatus 52 includes abase plate 320 having outwardly extendingalignment posts 322 located at opposite ends.Posts 322 each include taperedhead portions 324.Alignment apparatus 52 includes a pair ofconnector receiving portions 326.Connector receiving portions 326 each include a pair of center posts 328. Eachpost 328 includes a pair ofspring arms 330. Eachspring arm 330 has ahead portion 332 including aramp surface 334 and abottom lip 336. Eachconnector receiving portion 326 also includes a pair ofposts 338. -
Electrical connectors 62 are installed into theconnector receiving portions 326 by locating theapertures 310 onflanges 308 over theposts 338 and pushing theconnector 62 towardbase 320.Flanges 306 engageramp surfaces 334 ofheads 332 and cause thespring arms 330 to be deflected. Once theflanges 306 move past theheads 332, heads 332 then move overflanges 306 to retain the connectors 302 within theconnector alignment apparatus 52 as best shown inFIG. 16 . - Second
connector alignment apparatus 54 is best illustrated inFIG. 15 . The alignment apparatus includes abody portion 340 having a pair of downwardly extending alignment posts 342.Body portion 340 is formed to includeapertures 344 at opposite ends.Apertures 344 are configured to receive theposts 322 of firstconnector alignment apparatus 52 as discussed below. Lead-in ramp surfaces 346 are formed around theapertures 344.Body portion 340 further includes a pair ofconnector receiving portions 348 which function the same asconnector receiving portions 326 described above. Reference numbers the same as inFIG. 14 perform the same or similar function.Apertures 310 formed inflanges 308 ofconnectors 64 are inserted over theposts 338 of theconnector receiving portions 348. Theconnectors 64 are then pushed downwardly to deflect theheads 332 until thelips 336 move overflanges 306 to lock theconnectors 64 within thehousing 340 as discussed above. - The first
connector alignment apparatus 52 and the secondconnector alignment apparatus 54 each may include a key shown diagrammatically atlocations controller 50 and actuated bycontrols 40 on the footboard. Therefore,different footboards 28 may be required depending upon the particular type ofbed 10 being used. Thekeys connector alignment apparatuses footboard 28 for theparticular bed 10. Therefore, thekeys footboard 28 is attached to thebed 10. - First
connector alignment apparatus 52 is rigidly coupled within a recessedportion 350 formed infootboard 28 as best shown inFIG. 16 . Thebase 320 is secured to thefootboard 28 by afastener 352 which extends through anaperture 354 formed in thebase 320. The secondconnector alignment apparatus 54 is loosely connected to anend surface 356 of theframe 20. Afastener 358 is configured to extend through an oversizedcentral opening 360 formed inhousing 340.Posts 342 at opposite ends of thehousing 340 are located withinapertures 362 formed in thesurface 356 of theframe 20.Housing 340 is therefore not rigidly coupled to frame 20 and can float slightly due to theoversized apertures 362 and theoversized aperture 360. - During installation of the
footboard 28 on to theframe 20, initial alignment is provided byposts 58 onframe 20 extending into theapertures 56 formed in thefootboard 28. As thefootboard 28 moves downwardly over theposts 58, theposts 322 on firstconnector alignment apparatus 52 enter theapertures 344 in the secondconnector alignment apparatus 54.Tapered surfaces 324 onposts 22 and taperedsurfaces 346 ofapertures 344 facilitate insertion of theposts 322 into theapertures 344. Since thehousing 340 of secondconnector alignment apparatus 54 can float on theframe 20, thehousing 340 moves into proper alignment with the firstconnector alignment apparatus 52 as thefootboard 28 is installed. This ensures proper alignment betweenconnectors connectors further alignment posts 313 and apertures 315, respectively, which mate to make sure that each of theterminals 312 line up with thesocket contacts 318. Therefore, the connector alignment apparatus of the present invention includes a combination ofposts 58 on theframe 20 which mate withaperture 56 on thefootboard 28,posts 322 on the firstconnector alignment apparatus 52 which mate withapertures 344 on the secondconnector alignment apparatus 54, andposts 313 onconnectors 62 which mate with apertures 315 on theconnectors 64 to provide further alignment. - Although the invention has been described in detail with reference to certain illustrated embodiments, variations and modifications exist within the scope and spirit of the invention as described and as defined in the following claims.
Claims (27)
1. A patient support comprising:
a frame;
a footboard removably connectable to the frame;
a control panel coupled to the footboard;
a first electrical connector located on the footboard and operably coupled to the control panel; and
a second electrical connector coupled to the frame, the second electrical connector configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame.
2. The patient support of claim 1 , further comprising a first connector alignment apparatus having a connector receiving portion configured to secure the first electrical connector to the first connector alignment apparatus.
3. The patient support of claim 2 , further comprising a first fastener configured to couple the first connector alignment apparatus to the footboard.
4. The patient support of claim 1 , further comprising a second connector alignment apparatus having a connector receiving portion configured to secure the second electrical connector to the second connector alignment apparatus.
5. The patient support of claim 4 , further comprising a second fastener configured to couple the second connector alignment apparatus to the frame.
6. The patient support of claim 1 , wherein the control panel includes at least one lockout switch configured to lockout at least one of a plurality of bed functions.
7. The patient support of claim 6 , wherein the plurality of bed functions includes a night light, a back light, a head articulation, a knee articulation, a hi/lo mechanism, and an entertainment device.
8. A patient support comprising:
a frame;
a footboard removably connectable to the frame;
a control panel coupled to the footboard;
a mounting assembly configured to couple the footboard to the frame;
a first electrical connector operably coupled to the control panel; and
a second electrical connector operably coupled to a controller, the second electrical connector being configured to be removably connectable to the first electrical connector.
9. The patient support of claim 8 , wherein the mounting assembly includes a pair of posts and a pair of apertures configured to receive the pair of posts.
10. The patient support of claim 9 , wherein the pair of apertures are located on the footboard.
11. The patient support of claim 8 , further including a first fastener configured to couple the first connector alignment apparatus to the footboard.
12. The patient support of claim 11 , further including a second fastener configured to couple the second connector alignment apparatus to the frame.
13. The patient support of claim 12 , wherein the first fastener is configured to provide a rigid connection between the first connector alignment apparatus and the footboard and the second fastener is configured to provide a loose connection between the second connector alignment apparatus and the frame to permit limited movement of the second connector alignment apparatus relative to the frame.
14. The patient support of claim 8 , wherein the second electrical connector is coupled to the frame, the second electrical connector configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame.
15. The patient support of claim 8 , wherein the footboard is formed by a blow molding process.
16. A patient support comprising:
a frame;
a footboard removably connectable to the frame;
a first electrical connector located on the footboard;
a second electrical connector coupled to the frame, the second electrical connector configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame;
a first connector alignment apparatus having a connector receiving portion configured to secure the first electrical connector to the first connector alignment apparatus; and
a second connector alignment apparatus having a connector receiving portion configured to secure the second electrical connector to the second connector alignment apparatus.
17. The patient support of claim 17 , further including a first fastener configured to couple the first connector alignment apparatus to the footboard.
18. The patient support of claim 18 , further including a second fastener configured to couple the second connector alignment apparatus to the frame.
19. The patient support of claim 19 , wherein the first fastener is configured to provide a rigid connection between the first connector alignment apparatus and the footboard and the second fastener is configured to provide a loose connection between the second connector alignment apparatus and the frame to permit limited movement of the second connector alignment apparatus relative to the frame.
20. The patient support of claim 16 , wherein one of the first and second connector alignment apparatuses includes at least one post and the other of the first and second connector alignment apparatuses includes at least one aperture configured to receive the at least one post.
21. A patient support comprising:
a frame;
a footboard removably connectable to the frame;
a first electrical connector located on the footboard; and
a second electrical connector coupled to the frame, the second electrical connector configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame.
22. The patient support of claim 21 , further comprising a power supply operably coupled to the second electrical connector.
23. The patient support of claim 20 , further comprising a first connector alignment apparatus having a connector receiving portion configured to secure the first electrical connector to the first connector alignment apparatus.
24. The patient support of claim 23 , further comprising a first fastener configured to couple the first connector alignment apparatus to the footboard.
25. The patient support of claim 20 , further comprising a second connector alignment apparatus having a connector receiving portion configured to secure the second electrical connector to the second connector alignment apparatus.
26. The patient support of claim 25 , further comprising a second fastener configured to couple the second connector alignment apparatus to the frame.
27. A patient support comprising:
a frame;
a footboard removably connectable to the frame;
a power source;
a control panel coupled to the footboard, the control panel including at least one lockout switch configured to lockout at least one of a plurality of bed functions;
a first electrical connector located on the footboard and operably coupled to the control panel; and
a second electrical connector coupled to the frame and operably coupled to the power source, the second electrical connector configured to couple to the first electrical connector when the footboard is coupled to the frame and decouple from the first electrical connector when the footboard is removed from the frame, the power source configured to provide power to the control panel when the footboard is coupled to the frame.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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US11/088,468 US20050166324A1 (en) | 1999-03-05 | 2005-03-24 | Romovable footboard for a hospital bed |
US11/774,744 US7986242B2 (en) | 1999-03-05 | 2007-07-09 | Electrical connector assembly suitable for a bed footboard |
US11/851,535 US7834768B2 (en) | 1999-03-05 | 2007-09-07 | Obstruction detection apparatus for a bed |
US12/912,330 US7978084B2 (en) | 1999-03-05 | 2010-10-26 | Body position monitoring system |
US13/154,553 US8258963B2 (en) | 1999-03-05 | 2011-06-07 | Body position monitoring system |
US13/327,999 US8400311B2 (en) | 1999-03-05 | 2011-12-16 | Hospital bed having alert light |
US13/563,873 US8525682B2 (en) | 1999-03-05 | 2012-08-01 | Hospital bed having alert light |
US14/012,114 US8830070B2 (en) | 1999-03-05 | 2013-08-28 | Hospital bed having alert light |
Applications Claiming Priority (5)
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US09/264,174 US6208250B1 (en) | 1999-03-05 | 1999-03-05 | Patient position detection apparatus for a bed |
US09/737,111 US6320510B2 (en) | 1999-03-05 | 2000-12-14 | Bed control apparatus |
US10/038,986 US6791460B2 (en) | 1999-03-05 | 2001-11-19 | Patient position detection apparatus for a bed |
US10/940,480 US20050035871A1 (en) | 1999-03-05 | 2004-09-14 | Patient position detection apparatus for a bed |
US11/088,468 US20050166324A1 (en) | 1999-03-05 | 2005-03-24 | Romovable footboard for a hospital bed |
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US10/940,480 Continuation US20050035871A1 (en) | 1999-03-05 | 2004-09-14 | Patient position detection apparatus for a bed |
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US11/774,744 Continuation US7986242B2 (en) | 1999-03-05 | 2007-07-09 | Electrical connector assembly suitable for a bed footboard |
US11/851,535 Continuation US7834768B2 (en) | 1999-03-05 | 2007-09-07 | Obstruction detection apparatus for a bed |
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US10/940,480 Abandoned US20050035871A1 (en) | 1999-03-05 | 2004-09-14 | Patient position detection apparatus for a bed |
US11/088,468 Abandoned US20050166324A1 (en) | 1999-03-05 | 2005-03-24 | Romovable footboard for a hospital bed |
US11/774,744 Expired - Fee Related US7986242B2 (en) | 1999-03-05 | 2007-07-09 | Electrical connector assembly suitable for a bed footboard |
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US10/940,480 Abandoned US20050035871A1 (en) | 1999-03-05 | 2004-09-14 | Patient position detection apparatus for a bed |
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US11/774,744 Expired - Fee Related US7986242B2 (en) | 1999-03-05 | 2007-07-09 | Electrical connector assembly suitable for a bed footboard |
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US20060010601A1 (en) * | 2002-04-19 | 2006-01-19 | Riley Carl W | Hospital bed obstacle detection device and method |
US20060195986A1 (en) * | 2005-03-07 | 2006-09-07 | Reza Hakamiun | Footboard for a hospital bed |
US20070169268A1 (en) * | 2005-12-19 | 2007-07-26 | Stryker Corporation | Hospital bed |
US20070180616A1 (en) * | 2006-02-08 | 2007-08-09 | Hill-Rom Services, Inc. | User module for a patient support |
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US6791460B2 (en) | 2004-09-14 |
US7986242B2 (en) | 2011-07-26 |
US20050035871A1 (en) | 2005-02-17 |
US20020080037A1 (en) | 2002-06-27 |
US20080010747A1 (en) | 2008-01-17 |
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