US20050165293A1 - Apparatus and methods for compressing a patient during imaging - Google Patents
Apparatus and methods for compressing a patient during imaging Download PDFInfo
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- US20050165293A1 US20050165293A1 US11/066,055 US6605505A US2005165293A1 US 20050165293 A1 US20050165293 A1 US 20050165293A1 US 6605505 A US6605505 A US 6605505A US 2005165293 A1 US2005165293 A1 US 2005165293A1
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- patient
- shoulder
- recited
- foot plate
- engagement member
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
- A61B6/0421—Supports, e.g. tables or beds, for the body or parts of the body with immobilising means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/702—Posture restraints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/37—Restraining devices for the body or for body parts, e.g. slings; Restraining shirts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4528—Joints
-
- 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
- A61G1/00—Stretchers
- A61G1/01—Sheets specially adapted for use as or with stretchers
-
- 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
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/044—Straps, bands or belts
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- 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
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/048—Handles
Abstract
An apparatus for compressing at least a portion of a patient during imaging includes a base member and a shoulder engagement member adapted to engage the shoulders of the patient. A flexible strap secures the shoulder engagement member to the base member. A foot plate is movably mounted to the base member so that the foot plate can move relative to the base member, the foot plate being adapted to receive the feet of the patient when the shoulder engagement member engages the shoulders of the patient. A biasing force forces the foot plate toward the shoulder engagement member so as to axially compress a portion of the patient between the foot plate and the shoulder engagement member when the feet of the patient are positioned on the foot plate and the shoulders of the patient is engaged by the shoulder engagement member.
Description
- This application is a continuation of U.S. patent application Ser. No. 10/051,363, filed Jan. 17, 2002, which is incorporated herein by specific reference.
- 1. The Field of the Invention
- The present invention relates to a device for diagnostic purposes for use with imaging technologies such as Magnetic Resonance Imaging (“MRI”) Computerized Tomography (“CT Scan”) or x-rays.
- 2. The Relevant Technology
- Traditionally, when a patient is examined using either a conventional MRI unit or a CT Scan unit, and regularly when a patient is examined using an x-ray unit, the patient is placed in a supine, relaxed and mobile position. Such positioning of the patient compromises the effectiveness of the MRI unit, CT Scan unit and x-ray unit as diagnostic tools and causes various problems, several of which are discussed below.
- A significant problem for technicians operating MRIs, CT Scans and x-rays is that patients regularly move during the imaging process. Such unwanted movements cause blurred or otherwise unreadable images and, consequently, requires that new images be taken each time a patient's movements cause such problems. This repetition of the diagnostic procedure doubles the amount of time required to obtain images for diagnosis. It also doubles the costs of the diagnostic procedure which causes increased costs to health care providers and ultimately increases the overall costs of health care.
- Another problem encountered by technicians employing a conventional MRI unit to image a patient's hips is that the patient's feet are mobile. During imaging a patient may move his or her feet causing his or her hips to be unsuitably positioned for imaging.
- Another substantial problem associated with placing patients in a relaxed and supine position during an examination of the skeleton, joints and spine using conventional MRI units, CT Scan units, or x-ray units is that the resulting diagnosis is often inaccurate. Studies have shown that the pressure placed on a patient's skeleton, joints and spine while in the relaxed supine position is significantly less than the pressures on the patient's skeleton, joints and spine while the patient is sitting, standing or walking. Therefore, when an MRI unit, CT Scan unit or x-ray unit is used to diagnose injuries and disease in a patient's skeleton, joints and spine, their effectiveness as diagnostic instruments is compromised.
- This occurs because the reduced pressures on the skeleton, joints and spine cannot accurately re-create the conditions existing in the skeleton, joints or spine when the patient is sitting, standing or walking. For example, conventional MRI techniques are often used in the diagnosis of lumbar disc disease or injury. Experience has shown that is not uncommon to find a disassociation between the severity of the patient's clinical symptoms and evidence of injury or disease shown through MRI imaging. This disassociation can be explained, in part, by the general inability of conventional MRI diagnosis techniques to allow the patient to be imaged while in a variety of positions, including the standing or sitting positions, to vary the intra-discal pressures and alignment of the vertebrae.
- The relaxed supine position, in which all conventional MRIs of the lumbar spine are performed, is associated with the lowest intra-discal pressure, and is thus not a good position to provoke disc herniation, and is thus not the optimal position for accurate disc herniation diagnosis. This same problem is experienced with the imaging and diagnosis of skeleton, joint and other spine injury or disease.
- Information relevant to attempts to address the third of the above-discussed problems can be found in U.S. Pat. No. 6,000,399 (incorporated herein by this reference) and U.S. Pat. No. 5,779,733 (incorporated herein by this reference). However, each one of these references suffers from one or more of the following disadvantages: the apparatus and method is awkward to operate which may cause the incorrect use of the apparatus or the failure to use the apparatus; the apparatus and method is not sophisticated enough to predictably and controllably exert pressure on the spine; the apparatus comprises materials which compromise or affect the accuracy or operation of an MRI unit; the apparatus and method do not immobilize the patient; the apparatus and method are not made for use in CT Scan units or x-ray units.
- Accordingly, it is a purpose of the present invention to provide a method and apparatus for the substantial immobilization of either a portion or substantially all of a patient's body during imaging with either a conventional MRI unit, CT Scan unit or x-ray unit.
- It is a further purpose of the present invention to provide a method and apparatus for the immobilization of a patient's feet in order to maintain the patient's hips in a proper position throughout the imaging of the hips with a conventional MRI unit.
- Accordingly, it is also a purpose of the present invention to provide a method and apparatus for the positioning of a patient's skeleton, joints and spine for imaging with either a conventional MRI unit, CT Scan unit, or x-ray unit which allow the skeleton, joints and spine of a patient to be readily and easily placed in an orientation which may assist in the diagnosis of injured or diseased areas of each the skeleton, joints and spine by applying substantially the same pressure on each as they would experience while the patient is sitting, standing or walking.
- It is a further purpose of the present invention to provide a method and apparatus which allows a patient to be readily and easily oriented for imaging with either a conventional MRI, CT Scan, or x-ray imaging device in a manner which predictably, controllably, variably and accurately applies a pressure on the skeleton, joints, and spine of the patient during the imaging process.
- It is a further purpose of the present invention to provide a method and apparatus which may be utilized in connection with either MRI, CT Scan, or x-ray imaging devices of conventional construction for enhanced imaging of a patient and which do not compromise or affect the accuracy or operation of the MRI, CT Scan and x-ray imaging devices.
- Thus there are multiple problems to be solved for the examination of a patient's body, skeleton, joints and spine with MRI units, CT Scan units and x-ray units.
- The present invention is directed to an apparatus and method that satisfy the needs defined in the section of this patent application entitled “Background”. The apparatus and method comprise an apparatus for the immobilization of a patient and compression of a patient's skeleton, joints and spine during imaging with either an MRI unit, CT Scan unit, or x-ray unit.
- The apparatus comprises: a patient resting surface; shoulder and chest immobilizers attached to first end of the patient resting surface; knee immobilizers attached to the second end of the patient resting surface; lower leg immobilizers attached to the second end of the patient resting surface; a pressure creating apparatus attached to the second end of the patient resting surface; and feet immobilizers attached to the pressure creating apparatus.
- The patient resting surface comprises either: a connected first and second rigid panel for support and positioning of the shoulders, back and lower body of a patient to be diagnosed with either an MRI unit, CT Scan unit, or x-ray unit; or a single rigid panel for support and positioning of a supine patient to be diagnosed with either an MRI unit, CT Scan unit, or x-ray unit.
- The shoulder, chest, knee, lower leg, and feet immobilizers comprise fabric straps which are attached to the patient resting surface and pressure creating apparatus and which are arranged around the shoulders, chest, knees, lower legs and feet of a supine patient, and secure the supine patient to the patient resting surface and pressure creating apparatus.
- The pressure creating apparatus comprises: a first and second elastic medium (the term “elastic medium” includes, but is not limited to, shock chord, surgical tubing, and bungee chord); an anchor which attaches to the second end of the patient resting surface and supports and anchors the first and second elastic media; first and second pressure transferring plungers which transfer the pressure from the first and second elastic media; a foot plate which rests upon the first and second pressure transferring plungers and receives upward pressure therefrom.
- An alternative embodiment of the pressure creating apparatus comprises: a first and second pressure resistant medium (the term “pressure resistant medium” includes, but is not limited to, coil spring and viscoelastic rod); an anchor which attaches to the second end of the patient resting surface and contains and supports the first and second pressure resistant media;
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- first and second pressure transferring plungers which transfer the pressure from the first and second pressure resistant media; a foot plate which rests upon the first and second pressure transferring plungers and receives upward pressure therefrom.
- The pressure creating apparatus comprises: an elastic medium (the term “elastic medium” includes, but is not limited to, shock chord, surgical tubing, and bungee chord); an anchor which attaches to substantially the middle part of the patient resting surface and supports and anchors the elastic medium; a foot plate which slides longitudinally along the patient resting surface and is suspended from the elastic medium and receives upward pressure therefrom.
- A method for immobilizing a patient and compressing a patient's skeleton, joints and spine during imaging with either an MRI unit, CT Scan unit, and x-ray unit wherein the method comprises: placing a patient in the supine position on the patient resting surface; securing of the supine patient's shoulders and chest to the patient resting surface with the shoulder and chest immobilizers; then applying an upward force to the feet of the patient with the pressure creating apparatus; after which the patient's knee or knees are secured to the patient resting surface with the knee immobilizers; after which the patient's lower leg or legs are secured to the patient resting surface with the lower leg immobilizers; after which the patient's foot or feet are secured to the pressure creating apparatus with the feet immobilizers; whereby substantially all of the patient's body is immobilized and the patient's skeleton, joints and spine are compressed.
- Various embodiments of the present invention will now be discussed with reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope.
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FIG. 1 is an isometric view of the preferred embodiment of the present invention; -
FIG. 2 is an isometric view of the preferred embodiment of the present invention showing the orientation of a patient placed thereon; -
FIG. 3 is an isometric view of an alternative embodiment of the present invention comprising alternative embodiments of the patient resting surface and pressure creating apparatus; -
FIG. 4 is an isometric view of a second alternative embodiment of the present invention comprising an alternative embodiment of the patient resting surface and pressure creating apparatus; -
FIG. 5 is an exploded isometric view of the preferred embodiment of the pressure creating apparatus comprising elastic media; -
FIG. 6 is a cross sectional side view of the preferred embodiment of the pressure creating apparatus comprising elastic media; -
FIG. 7 is an exploded isometric view of an alternative embodiment of the pressure creating apparatus comprising pressure resistant media; and -
FIG. 8 . is a cross sectional side view of an alternative embodiment of the pressure creating apparatus comprising pressure resistant media. - Referring to
FIGS. 1, 2 , 3 and 4, apatient resting surface 20 constructed in accordance with the present invention supports a patient in the supine position as shown inFIG. 2 . Attached to the first end of the patient resting surface areshoulder immobilizers 22 and achest immobilizer 24 to secure the patient's shoulders and chest to the patient resting surface as shown inFIG. 2 . Attached to the second end of the patient resting surface are,knee immobilizers 28 andlower leg immobilizers 30 to secure the patient's knees and lower legs to the patient resting surface. Attached to the second end of the patient resting surface is apressure creating apparatus 32 which exerts an upward pressure on the patient who is secured to the patient resting surface as shown inFIG. 2 . - The invention will now be described in detail with reference to the attached drawings showing preferred and alternative embodiments of the present invention.
- The present invention comprises a
patient resting surface 20 as shown inFIGS. 1, 3 and 4. The preferred embodiment of the patient resting surface comprises a first and secondrigid panel second connector FIG. 1 . While the preferred embodiment of the patient r resting surface comprises two separate panels as shown inFIG. 1 , other alternative embodiments may be employed, such as a singlerigid panel 38 as shown inFIGS. 3 and 4 . The primary requirements of the patient resting surface are that it is of sufficiently rigid construction to withstand the pressures placed upon it and is constructed of materials which do not affect, compromise or distort the imaging processes of the MRI, CT Scan or x-ray and are otherwise suitable for use with an MRI, CT Scan, and x-ray. - The MRI, CT Scan and x-ray are well-known diagnostic units and are not the subject of the present invention and thus will not be described in greater detail.
- The present invention also comprises a pressure creating apparatus. Referring to
FIGS. 1, 2 , 5 and 6, the preferred embodiment of suchpressure creating apparatus 32, comprises anadjustable anchor 42 which attaches to the second end of the patient resting surface. A first and second elastic medium 44 a, 44 b (the term “elastic medium” includes, but is not limited to, shock chord, surgical tubing, and bungee chord) are each attached at one end to theadjustable anchor 42 and attached at the opposite end of each elastic medium to a corresponding first and secondpressure transferring plunger - The first and second
pressure transferring plungers second cylinder adjustable anchor 42 and travel longitudinally inside the corresponding first andsecond cylinders pressure transferring plungers adjustable anchor 42 by means of the corresponding first and secondelastic media FIG. 6 . The first and secondpressure transferring plungers adjustable foot plate 51. - The first side of the
adjustable foot plate 50 supports the foot or feet of a patient as shown inFIG. 2 . The patient presses downward on the first side of theadjustable foot plate 50 which motion downwardly depresses the first and secondpressure transferring plungers second cylinders adjustable anchor 42. Such downward depression of the first and secondpressure transferring plungers elastic media pressure transferring plungers adjustable foot plate 51 which in turn transfers the upward pressure to the foot or feet of the patient. - The upward pressure created by the
pressure creating apparatus 32 is measured by the length of the first and secondpressure transferring plungers adjustable anchor 42. Such length is indicated by first and second integrated pressure scales 52 a, 52 b shown on each corresponding first and secondpressure transferring plunger - Referring to
FIGS. 1, 2 , 7 and 8, an alternative embodiment of thepressure creating apparatus 32 comprises anadjustable anchor 42 which attaches to the patient resting surface. A first and second force resistant medium 58 a, 58 b (the term “force resistant medium” includes, but is not limited to, coil springs and viscoelastic rods) rest inside corresponding first andsecond cylinders adjustable anchor 42. A corresponding first and secondpressure transferring plunger second cylinders adjustable anchor 42. One end of the first and secondpressure transferring plungers adjustable foot plate 51 and the opposite end of each fit into the corresponding first andsecond cylinders resistant media - The first and second
pressure transferring plungers adjustable foot plate 51 while the first side of theadjustable foot plate 50 supports the foot or feet of a patient. The patient presses downward on the first side of theadjustable foot plate 50 which in turn downwardly depresses the first and secondpressure transferring plungers second cylinders adjustable anchor 42. Such downward depression of the first and secondpressure transferring plungers resistant media pressure transferring plungers adjustable foot plate 51 which in turn transfers the upward pressure to the foot or feet of the patient. - The upward pressure created by the
pressure creating apparatus 32 is measured by the length of the first and secondpressure transferring plungers adjustable anchor 42. Such length is indicated by first and second integrated pressure scales 52 a, 52 b shown on each corresponding first and second pressure transferring plunger. - Another alternative embodiment of the
pressure creating apparatus 32 comprises anadjustable anchor 42 which is attached to the patient resting surface as shown inFIG. 4 . An elastic medium 60 (the term “elastic medium” includes, but is not limited to, shock chord, surgical tubing, and bungee chord) is attached at one of its ends to theadjustable anchor 42 and at its opposite end to the center of theadjustable foot plate 49 which supports the foot or feet of a patient. The patient presses downward on theadjustable foot plate 49 which stretches theelastic medium 60, exerting an upward pressure on the foot or feet of the patient. The upward pressure created by thepressure creating apparatus 32 is indicated by the position of theadjustable foot plate 49 on thepatient resting surface 20. Such position is indicated by a first and secondintegrated pressure scale - While the above-descriptions describe multiple alternative embodiments of the
pressure creating apparatus 32, other alternative constructions or configurations of the pressure creating apparatus may be employed to create the necessary pressure. - All of the elements of the present invention are of sufficiently rigid construction to withstand the pressures placed upon them and are constructed of materials which will not affect, compromise or distort the imaging processes of the MRI, CT Scan, or X-ray.
- Referring to
FIGS. 1, 2 , 3 and 4, in order to use the immobilization features of the present invention a patient is placed on thepatient resting surface 20 in the supine position with his/her knee or knees bent. The shoulder andchest immobilizers patient resting surface 20 and the patient's leg or legs are fully extended, the patient's knee(s) and lower leg(s) are secured to thepatient resting surface 20 with therespective knee immobilizers 28, andlower leg immobilizers 30 each of which pass throughseparate immobilizer slots 62 located in thepatient resting surface 20. - If the desired immobilization is realized, the patient is then introduced into the MRI unit, CT Scan unit or x-ray unit. However, if additional immobilization of the patient is desired, the
knee immobilizers 28, andlower leg immobilizers 30 are removed from the patient's respective knee(s) and lower leg(s). Once such immobilizers are removed thepressure creating apparatus 32 is introduced and adjusted to accommodate the height of the patient after which the patient presses downward on theadjustable foot plate 49 by extending his/her leg or legs until the desired immobilization is obtained. - Once such immobilization has been achieved, and the patient's leg or legs are fully extended, the patient's knee(s) and lower leg(s) are again secured to the
patient resting surface 20 with therespective knee immobilizers 28, andlower leg immobilizers 30 each of which pass throughseparate immobilizer slots 62 located in thepatient resting surface 20. Additionally, if immobilization of the patient's feet is desired, the patient's feet are firmly, but comfortably secured to the adjustable foot plate using the feet immobilizers 26 each of which pass throughseparate immobilizer slots 62 in theadjustable foot plate 49 as shown inFIG. 2 . The patient is then introduced into the MRI unit, CT Scan unit or x-ray unit. - Referring to
FIGS. 1, 2 , 3 and 4, in order to use the compression feature of the present invention a patient is placed on thepatient resting surface 20 in the supine position with his/her knee or knees bent. Theadjustable anchor 42 andadjustable foot plate 49 are adjusted to accommodate the height of the patient. The patient's shoulders and chest are secured snugly, but comfortably to thepatient resting surface 20 with shoulder andchest immobilizers - Once the patient's shoulders and chest are securely, but comfortably secured to the
patient resting surface 20 the position of theadjustable foot plate 49 may be further adjusted as required to provide the appropriate positioning thereof. Once such adjustment is completed the patient presses downward on theadjustable foot plate 49 by straightening or extending his/her leg or legs upon receipt of the instruction to do so. As the patient extends his/her leg or legs his/her foot or feet press downward against theadjustable foot plate 49 which in turn causes thepressure creating apparatus 32 to exert an upward pressure against theadjustable foot plate 49 which in turn transfers the upward pressure to the foot or feet of the patient. With the upward pressure from thepressure creating apparatus 32 being upwardly applied to the foot or feet of the patient and simultaneously opposed by the shoulder andchest immobilizers patient resting surface 20, the skeleton, joints and spine of the patient are compressed. Such compression is controllable and variable through adjustment to theadjustable anchor 42 and can be varied to recreate the compression exerted on the skeleton, joints and spine of a patient while sitting, standing or walking. - The first and second integrated pressure scales 52 a, 52 b show when the desired compression has been reached. When the desired compression has been achieved, and the patient's leg or legs are fully extended, in order to precisely maintain the desired pressure the patient's knee(s) and lower leg(s) are secured to the second end of the
patient resting surface 20 with therespective knee immobilizers 28, andlower leg immobilizers 30 each of which pass through correspondingimmobilizer slots 62 located in thepatient resting surface 20. The patient is then introduced into the MRI unit, CT Scan unit or x-ray unit. - The present invention has many advantages including the following. Its various immobilizers enable the substantial immobilization of either part or all of a patient's body during imaging with an MRI unit, CT Scan unit or x-ray unit. In addition to the immobilizers a patient's body may further be immobilized by compressing the patient's skeleton, joints and spine through the application of pressure from the pressure creating apparatus. The immobilizers acting separately or together with the pressure creating apparatus serve as an effective immobilization device. As discussed in the section of the patent application entitled “Background”, patient movement is a significant problem during imaging with MRI units, CT Scan units and x-ray units. The above-described immobilization prevents such movements and thus allows images for diagnosis with MRI units, CT Scan units, and x-ray units to be obtained more efficiently and will also decrease the costs to health care providers and ultimately will decrease the overall costs of health care.
- As discussed in the section of the patent application entitled “Background”, an awkward design may cause a device to be used improperly and is not conducive to continuous use. A substantial advantage of the present invention is that it is easy to use and is conducive to continuous use.
- As discussed in the section of the patent application entitled “Background”, existing devices are only intended to be used with an MRI unit. A significant advantage of the present invention is that its design is conducive to use not only with an MRI unit but also with a CT Scan unit and x-ray unit of conventional construction.
- As discussed in the section of the patent application entitled “Background”, an unsophisticated design produces a device that is incapable of exerting a predictable and controllable pressure. A significant advantage of the present invention is that its pressure creating apparatus together with integrated pressure scales are sufficiently sophisticated to consistently exert a predictable, controllable and variable pressure on a patient's skeleton, joints and spine.
- As discussed in the section of the patent application entitled “Background”, a device to be used with an MRI should be constructed of materials which do not compromise or affect the accuracy or operation of an MRI. A significant advantage of the present invention is that it is constructed of materials which do not compromise or affect the accuracy or operation of an MRI.
- Although the present invention has been described in considerable detail with reference to certain versions thereof, other versions are possible. Applicant intends to encompass within the language any structure presently existing or developed in the future that performs the same function as the present invention. Therefore, the spirit and scope of the claims should not be limited to the description of the preferred version contained herein.
- The reader's attention is directed to all papers and documents which are filed concurrently with this specification and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference. All the features disclosed in this specification (including any accompanying claims, abstract, and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.
- Any element in a claim that does not explicitly state “means for” performing a specified function, or “step for” performing a specified function, is not to be interpreted as a “means” or “step” clause as specified in 35 U.S.C. §112, ¶6.
- The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrative and not restrictive. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (20)
1. An apparatus for compressing at least a portion of a patient during imaging, the apparatus comprising:
a shoulder engagement member adapted to engage at least one shoulder of the patient;
a base member;
a flexible first strap securing the shoulder engagement member to the base member;
a foot plate movably mounted to the base member so that the foot plate can move relative to the base member, the foot plate being adapted to receive the feet of the patient when the shoulder engagement member engages the at least one shoulder of the patient; and
a biasing force forcing the foot plate toward the shoulder engagement member so as to axially compress a portion of the patient between the foot plate and the shoulder engagement member when the feet of the patient are positioned on the foot plate and at least one shoulder of the patient is engaged by the shoulder engagement member.
2. The apparatus as recited in claim 1 , wherein the shoulder engagement member is adapted to engage both shoulders of the patient.
3. The apparatus as recited in claim 1 , wherein the shoulder engagement member comprises a flexible shoulder loop that is adapted to pass over the shoulder of the patient.
4. The apparatus as recited in claim 1 , wherein the base member comprises a panel.
5. The apparatus as recited in claim 1 , further comprising a flexible second strap spaced apart from the first strap securing the shoulder engagement member to the base member.
6. The apparatus as recited in claim 1 , further comprising a buckle mounted on the first strap.
7. The apparatus as recited in claim 1 , wherein the base member has a first end disposed toward the shoulder engagement member and an opposing second end, the first strap being secured to the shoulder engagement member and the first end of the base member.
8. The apparatus as recited in claim 1 , further comprising:
the base member comprises a base plate having a top surface extending between a first end and an opposing second end; and
the foot plate orthogonally upwardly projecting from the top surface of the base plate and being selectively movable along the top surface of the base plate.
9. The apparatus as recited in claim 1 , wherein the biasing force is resilient so that the foot plate can move relative to movement of the patient.
10. The apparatus as recited in claim 1 , wherein the biasing force is produced by an resilient member interacting with the foot plate.
11. The apparatus as recited in claim 10 , wherein the resilient member comprises an elastic medium.
12. The apparatus as recited in claim 11 , wherein the elastic medium comprises shock cord, surgical tubing, or bungee cord.
13. The apparatus as recited in claim 10 , wherein the resilient member comprises a force resistant medium.
14. The apparatus as recited in claim 13 , wherein the force resistant medium comprises a spring or a viscoeleastic rod.
15. A method for compressing at least a portion of a patient during imaging, the method comprising:
securing a shoulder engagement member to a patient so that the shoulder engagement member engages at least one shoulder of the patient;
positioning the feet of the patient against a foot plate when the patient is in a supine position, the foot plate being movably mounted to the base member so that the foot plate can move relative to the base member, the shoulder engagement member being secured to the base member by a flexible strap, a biasing force forcing the foot plate toward the shoulder engagement member so as to axially compress a portion of the patient between the foot plate and the shoulder engagement member; and
taking an image of the patient having the portion axially compressed.
16. The method as recited in claim 15 , wherein securing the shoulder engagement member comprises passing a flexible shoulder loop over each shoulder of the patient.
17. The method as recited in claim 15 , further comprising measuring the biasing force axially compressing the portion of the patient.
18. The method as recited in claim 15 , wherein taking an image of the patient comprises subjecting the patient to magnetic resonance imaging, computerized tomography, or x-rays.
19. The method as recited in claim 15 , further comprising a resilient member interacting with the foot plate so as to produce the biasing force.
20. The method as recited in claim 19 , wherein the resilient member comprises a spring or a viscoeleastic rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/066,055 US20050165293A1 (en) | 2002-01-17 | 2005-02-25 | Apparatus and methods for compressing a patient during imaging |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/051,363 US6860272B2 (en) | 2002-01-17 | 2002-01-17 | Device for immobilizing a patient and compressing a patient's skeleton, joints and spine during diagnostic procedures using an MRI unit, CT scan unit or x-ray unit |
US11/066,055 US20050165293A1 (en) | 2002-01-17 | 2005-02-25 | Apparatus and methods for compressing a patient during imaging |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/051,363 Continuation US6860272B2 (en) | 2002-01-17 | 2002-01-17 | Device for immobilizing a patient and compressing a patient's skeleton, joints and spine during diagnostic procedures using an MRI unit, CT scan unit or x-ray unit |
Publications (1)
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US20050165293A1 true US20050165293A1 (en) | 2005-07-28 |
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US10/051,363 Expired - Fee Related US6860272B2 (en) | 2002-01-17 | 2002-01-17 | Device for immobilizing a patient and compressing a patient's skeleton, joints and spine during diagnostic procedures using an MRI unit, CT scan unit or x-ray unit |
US11/066,055 Abandoned US20050165293A1 (en) | 2002-01-17 | 2005-02-25 | Apparatus and methods for compressing a patient during imaging |
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US10/051,363 Expired - Fee Related US6860272B2 (en) | 2002-01-17 | 2002-01-17 | Device for immobilizing a patient and compressing a patient's skeleton, joints and spine during diagnostic procedures using an MRI unit, CT scan unit or x-ray unit |
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US20110092859A1 (en) * | 2007-06-25 | 2011-04-21 | Neubardt Seth L | System for determining and placing spinal implants or prostheses |
US9042960B2 (en) | 2007-06-25 | 2015-05-26 | Seth L. Neubardt | Determining and placing spinal implants or prostheses |
US9138188B2 (en) | 2011-07-20 | 2015-09-22 | Joseph C. McGinley | Method for treating and confirming diagnosis of exertional compartment syndrome |
US9226954B2 (en) | 2011-07-20 | 2016-01-05 | Joseph C. McGinley | Method for treating and confirming diagnosis of exertional compartment syndrome |
CN102500066A (en) * | 2011-10-13 | 2012-06-20 | 中国人民解放军第三军医大学第一附属医院 | Foot fixing device for radiotherapy |
US9138194B1 (en) * | 2012-06-27 | 2015-09-22 | Joseph McGinley | Apparatus for use to replicate symptoms associated with vascular obstruction secondary to vascular compression |
CN104825304A (en) * | 2013-10-28 | 2015-08-12 | 张秀华 | Improved neurosurgery operating table |
WO2018012990A1 (en) * | 2016-07-15 | 2018-01-18 | Iddmedical Sp. Z O.O. | Device for the examination of limb joints |
CN108542582A (en) * | 2018-04-27 | 2018-09-18 | 钟国全 | A kind of Pediatric Emergency Room fixing device for extremity of adjustable fixed children's limbs |
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