CN102847207A - Transfusion stop control clip and control method - Google Patents

Transfusion stop control clip and control method Download PDF

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Publication number
CN102847207A
CN102847207A CN2012103799479A CN201210379947A CN102847207A CN 102847207 A CN102847207 A CN 102847207A CN 2012103799479 A CN2012103799479 A CN 2012103799479A CN 201210379947 A CN201210379947 A CN 201210379947A CN 102847207 A CN102847207 A CN 102847207A
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module
infrared
transfusion
motor
control
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CN102847207B (en
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李章勇
庞宇
王伟
刘圣蓉
李纯阳
张荔芳
刘杰
张迅捷
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Chongqing University of Post and Telecommunications
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Chongqing University of Post and Telecommunications
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Abstract

The embodiment of the invention provides a transfusion stop control clip. An elastic part is connected with a first clip and a second clip of a cavity structure to form a clip, wherein an infrared transmitter is arranged in the first clip, and a motor module is arranged in the second clip; a motor shaft of the motor module extends outward, and is connected with a cylindrical rotation module; an infrared receiver is arranged in the rotation module, and a hard card is fixedly connected with the outside of the rotation module; a signal processing and control module and a power supply module are arranged in the clip; and the power supply module is connected with the infrared transmitter, the infrared receiver and the motor module through the signal processing and control module. The transfusion stop control clip has the advantages of small size, light weight and low power consumption, can complete transfusion and automatic transfusion stop without assembly. The invention also provides a transfusion stop control method.

Description

A kind of transfusion stops control folder and control method
Technical field
The present invention relates to technical field of medical instruments, particularly a kind of transfusion stops control folder and control method.
Background technology
Transfusion is a kind for the treatment of means commonly used, and a general problem of its existence is, when infusion-completed, if in time do not change liquid or stopping infusion, the venous blood of human body can be back to tube for transfusion, even may block tube for transfusion, causes panic or some the beyond thought consequences of patient.Thereby often need medical personnel or family numbers of patients to nurse constantly observation during the transfusion, not only add heavy patient's financial burden, and often owing to nurse personnel's carelessness, particularly at night, transfusion hidden danger can not be avoided effectively.
Currently address this problem common employing infusion pump, infusion pump is powerful, can accurately control injecting fluid flow velocity and buzzing reports to the police, but its shortcoming mainly is the huge heaviness of build, needs to use special-purpose pressure infusion device as consumptive material, and equipment price is expensive, and adopt wired mode to report to the police, can only be heard among a small circle, these shortcomings have determined that it can not also be not suitable at narrow sick bed having limited its promoted extension for patient.Further adopting such as China Patent Publication No. again is the portable infusion monitor of CN 101073680A, as shown in Figure 1, mainly comprise housing 1, be fixed on the tube for transfusion switching mechanism 3 of housing 1 inside and be fixed on the detection control circuit part 4 etc. of housing 1 inside, but its motor-driven and the mode of closing are comparatively complicated, cause the device complexity high, build is large, weight is large, operation inconvenience, and its mode of eliminating background noise is repeatedly time delay secondary Static Sampling analysis, namely sampling is analyzed again first, and this mode is not only wasted the processing time, and real-time is relatively poor, simultaneously, its information transmission mode does not utilize more common wireless network (such as Wi-Fi, W-Lan etc.) transmit, must buy supporting equipment and come this warning message of reception ﹠ disposal, cause using inconvenience and promoted use cost.
Summary of the invention
For overcoming the above problems, the invention provides a kind of transfusion and stop control folder and control method,
A kind of transfusion of the present invention stops the control folder, forms clip 100 by elastomeric element 3 connection the first intermediate plates 1 and the second intermediate plate 2; Described the first intermediate plate 1 and the second intermediate plate 2 are cavity structure;
Be provided with infrared transmitter 10 in the cavity of described the first intermediate plate 1;
Be provided with motor module 60 in described the second intermediate plate 2 cavitys;
The motor shaft 70 of described motor module 60 is outwards paid, and described motor shaft 70 is connected with cylindrical rotating module 5, and described rotating module 5 inside are provided with infrared light receptor 80, and the outside is fixedly connected with hard cards 90;
Be provided with signal processing and control module 20 and power module 40 in the cavity of described the first intermediate plate 1 or the second intermediate plate 2;
Described power module 40 is connected with described infrared transmitter 10, infrared light receptor 80, motor module 60 with control module 20 by described signal processing.
A kind of transfusion method for controlling stopping of the present invention comprises: the sending and receiving infrared light, detect level and change, change if detect level, close infrared sending and receiving, drive motors rotates, motor rotation axis drives rotating module and rotates, and utilizes the hard cards on the rotating module to clamp tube for transfusion.
The present invention's transfusion stops the control folder and is the typical clamp shape, directly be clipped on the tube for transfusion during use, volume is little, lightweight, low in energy consumption, do not need to install and to finish the transfusion automatic stopping infusion, when liquid level drops to transfusion when stopping to control the folder place, rotating module clamps tube for transfusion, stop liquid level further to descend, can send warning message to wireless network server by common wireless network further, reduced use cost, server can further arrive nurse's mobile phone or nurse's platform computer with alarm information pushing, realize radio warning function, greatly promoted service efficiency, increased range of application.
Description of drawings
Fig. 1 is prior art portable infusion monitor structural representation;
Fig. 2 is that the present invention infuses and stops control folder preferred embodiment structural representation;
Fig. 3 is that the present invention infuses and stops control folder preferred embodiment internal logic structure sketch map;
Fig. 4 is that the present invention infuses and stops control folder signal processing and control module preferred embodiment logical structure sketch map;
Fig. 5 is that the present invention infuses and stops the infrared receiving processing circuit sketch map of control folder;
Fig. 6 is the present invention's method for controlling stopping schematic flow sheet of infusing.
The specific embodiment
For making the present invention clearer, describe below in conjunction with accompanying drawing, the invention is not restricted to down address embodiment shown in the drawings or embodiment, all modification and distortion of making without prejudice to spirit of the present invention all should be included within the scope of the invention.
The invention provides a kind of transfusion and stop the control folder, as shown in Figure 2, comprising: form clip 100 by elastomeric element 3 connection the first intermediate plates 1 and the second intermediate plate 2; Described the first intermediate plate 1 and the second intermediate plate 2 are cavity structure; Described elastomeric element 3 can also can adopt elastomeric element commonly used in the prior art by common consisting of such as parts such as spring, hinges, and this present invention is not particularly limited.
Described the first intermediate plate 1 and described the second intermediate plate 2 can be cylindrical, cuboid or other shapes, the present invention and indefinite.
Be provided with infrared transmitter 10 in the cavity of described the first intermediate plate 1;
Be provided with motor module 60 in described the second intermediate plate 2 cavitys;
The motor shaft 70 of described motor module 60 is outwards paid, and described motor shaft 70 is connected with cylindrical rotating module 5, and described rotating module 5 inside are provided with infrared light receptor 80, and the outside is fixedly connected with hard cards 90; Motor shaft 70 can be hollow-core construction, so that connecting the wire of motor module 60 and rotating module 5 passes therethrough, perhaps motor shaft 70 is solid construction, the wire that connects motor module 60 and rotating module 5 is wrapped on the motor shaft, connect all right other modes of structural relation of wire and the motor shaft 70 of motor module 60 and rotating module 5, the present invention does not do and is particularly limited.
Tube for transfusion 4 vertical hangings, when clip is clamped tube for transfusion, infrared light receptor 80 arranges in opposite directions with the both sides that infrared transmitter 10 tightly touch tube for transfusion 4, and be on the same horizontal plane, infrared transmitter 10 is the emission infrared light outwards, and infrared light receptor 80 receives the infrared light that tube for transfusion is crossed in transmission; Liquid and air are absorbed with than big difference the infrared light of certain wavelength, and described infrared light receptor 80 can be converted to the signal of telecommunication with described difference.
Described rotating module 5 is cylindrical, and material light by quality and that hardness is high consists of, so that friction is less and can rotate leggiero; Described motor shaft 70 is with rotating module 5 and is fixedly connected with, and when rotating with convenient motor module 60, drives rotating modules 5 by motor shaft 70 and rotates synchronously, and described rotating module 5 outsides also are connected with a hard cards 90; When rotating module 5 is motionless, utilize the folder power of the first intermediate plate 1 that tube for transfusion is clamped, under machine shaft 70 rotary actions, rotating module 5 certain angle that turns to the inside, hard cards 90 compressing tube for transfusions 4 on it also make its distortion, form sealed environment in the pipe, stop liquid level to continue to descend, realize that transfusion stops.
Be provided with signal processing and control module 20 and power module 40 in the cavity of described the first intermediate plate 1 or the second intermediate plate 2; Described power module 40 is connected with described infrared transmitter 10, infrared light receptor 80 and motor module 60 with control module 20 by described signal processing, as shown in Figure 3.
Described motor module 60 can adopt electric rotating machine or motor, preferably adopts motor, and motor stops after turning an angle by the control of signal processing and control module 20.
Preferably, described transfusion stops the control folder, also comprise Wi-Fi wireless transport module 30, be connected with control module 20 with signal processing, most of the time is in resting state, to save electricity consumption, waken up by signal processing and control module 20, and warning message is sent to wireless network server, described wireless network can be hospital's private radio LAN, also can be telecommunication network, and receive the other side's affirmation signal, if do not receive, will constantly send warning message, until till receiving or manually stopping; Described warning message comprises the numbering of this warning clip at least, to determine to use the patient of this equipment.
Described Wi-Fi wireless transport module 30 is built-in with wireless network protocol (such as IEEE 802.1x), be subject to the control of signal processing and control module 20 by serial ports or SPI interface, especially, warning message can be passed on any computer by the Internet, for example, hospital server be can pass to first, nurse job computer or nurse's mobile phone etc. informed by server again.
As a kind of implementation, also comprise reset switch 50, the position that is used for control on and off switch or machine shaft 70 resets.Described reset switch 50 comprises two parts, the one, and power knob makes system works or closes; The 2nd, SR is pressed before quitting work, and the machine shaft position is resetted, and prepares for work next time.
Preferably, described power module 40 adopts battery powered, such as No. 5 battery powered or button cell etc.
Power module 40 is to signal processing and control module 20 and infrared transmitter 10, infrared light receptor 80, motor module 60 or/and Wi-Fi wireless transport module 30 provides power supply, the infrared signal of the certain wavelength of signal processing control module 20 control infrared transmitters, 10 outputs, accept the signal of infrared accepter 80, and signal processed, control motor module 60 turns to the inside and stops behind the certain angle, and folder closes tube for transfusion; Further, also resetting of reset switch 50 responded with shutoff operation, or/and control Wi-Fi wireless transport module 30 sends warning message etc. to wireless network server.
Described signal processing and control module 20, the preferred super low power consuming single chip processor that adopts, single-chip microcomputer 201 periphery configures have and power circuit 202, motor-drive circuit 203 and infrared signal circuit for generating 205, infrared receiving processing circuit 206 etc., described circuit links to each other with respective modules respectively, this single-chip microcomputer is in resting state in the most of the time, to save electricity consumption, when liquid level is lower than infrared bright finish, liquid in pipe becomes air, single-chip microcomputer is waken up by the respective signal that infrared light receptor 80 is sent, and is for example shown in Figure 4, and super low power consuming single chip processor 201 is processor, cooperation drives and controls the behavior of modules with the circuit of periphery; The power circuit 202 that is connected with power module 40 is arranged respectively, the motor-drive circuit 203 that is connected with motor module 60, the infrared circuit for generating 206 that is connected with infrared emittance 10, the infrared receiving processing circuit 205 that is connected with infrared remote receiver, and further, comprise the reseting switch circuit 207 that is connected with reset switch 50, the Wi-Fi drive circuit 204 that is connected with Wi-Fi wireless transport module 30 etc.
Described infrared receiving processing circuit 205 is used for clutter noise and the background noise that removal receives, eliminating the impact of ambient light and other interference to receiving the infrared electro signal and processing.
Fig. 5 is described infrared receiving processing circuit 205 embodiment sketch maps, comprising:
Preposition filtering and amplifying circuit 21, delay circuit 22, subtraction circuit 23 and amplifying circuit 24, described infrared receiving processing circuit 205 is essentially delay comparison circuit, because the infrared electro signal that receives is subject to the interference of more stable ambient light inevitably, the signal of telecommunication that receives is drawn high some specific level, in order to eliminate this interference, preposition filtering and amplifying circuit 21 amplifies the also noise of the burst of filtering high frequency with primary signal, delay circuit 22 enters subtraction circuit 23 with the signal of back more jointly with signal delay a period of time, in subtraction circuit 23, the level of a rear time deducts the level of last time as the output of subtraction circuit, its output characteristic is as follows: when being liquid in the tube for transfusion always, level is a certain stable level before and after the delay of input, this particular value is determined that by extraneous bias light intensity subtraction circuit is exported near 0V voltage; When only the liquid in tube for transfusion sports air, because air and liquid are to the difference of the infrared Absorption ability of certain wavelength, the level that the level of a rear time deducts the last time 0V voltage of will not reacceesing, but one on the occasion of voltage, and the moment that this voltage occurs namely is the moment that liquid level passes through the infrared light sensing device.By the voltage amplification of amplifying circuit 24 with subtraction circuit output, enter single-chip microcomputer 201 at last.Single-chip microcomputer detects high level and namely is waken up, and low level does not then process.A series of processing by described infrared receiving processing circuit, no matter extraneous background light intensity, delay comparison circuit can both be kept to 0V with it automatically and accurately, eliminates its impact, therefore can identify liquid level by the moment of infrared light sensing device, reach the purpose of removing external interference.
The opening and closing of described infrared transmitter 10 and infrared light receptor 80 are by signal processing and control module 20 controls, can allow in theory infrared transmitter 10 and infrared light receptor 80 1 direct-opens, but because transfusion time is usually long, and within a period of time that begins to infuse, the probability of infusion-completed is very low, then the probability of infusion-completed improves constantly, as a kind of special processing mode, in order to save power consumption, the present invention adopts a kind of timetable to control the opening and closing of infrared transmitter, and the feature of described timetable is, in a period of time that whole device just is started working, the working time of infrared transmitter is very short, is closed when not working, to save power consumption, continuation along with the time, its working time constantly prolongs, until a time point, it will be worked incessantly.Utilize this timetable, both can save power consumption, can satisfy with maximum of probability again the reliability of equipment.
In the case, can in single-chip microcomputer, design a timing routine or at SCM peripheral a timing circuit is set, be used for timing.Following table is the preferred exemplary of the operating schedule of infrared transmitter of the present invention.It is as shown in the table, infrared transmitter is received the control of signal controlling and processing module, in a period of time that warning clip is started working, the open frequency of infrared transmitter (the startup frequency of infrared transmitter, be the per minute infrared transmitter number of starts) less, along with the continuation of time, the corresponding increase of infrared transmitter open frequency, the time that stops detecting better transfusion, reduce the power consumption of infrared transmitter, for example, in 30 minutes after powering on, per minute starts 1 time, in 30-50 minute, per minute starts 2 times, in 50-60 minute, it is 4 inferior that per minute starts, and controls flexibly starting frequency.
Figure BDA00002233494900071
Of particular note, the first intermediate plate 1 of the present invention and the second intermediate plate 2 are just distinguished for ease of description, be not illustrated in when realizing and carry out according to this labelling, such as, infrared transmitter 10 also can be arranged in the second intermediate plate 2, and motor module 60 is arranged in the first intermediate plate 1 (similarly, the motor shaft 70 of motor module 60 is connected with cylindrical rotating module 5), be provided with signal processing and control module 20 and power module 40 in the cavity and can be arranged on arbitrarily in the first intermediate plate 1 or the second intermediate plate 2, can not limit the present invention with this.Wi-Fi wireless network of the present invention both can be the Wi-Fi technology that adopts, and also can be the W-Lan technology that adopts, and can not be interpreted as and only adopt the Wi-Fi technology.
The present invention is installed together electric machine and infrared sensing apparatus, and adopt super low power consuming single chip processor to do control system, use battery powered, so that this warning clip build is less, simultaneously the present invention makes clip shape, simply clamp tube for transfusion and get final product, greatly facilitate at narrow beside sickbed and use, be easy to apply.
Compared with prior art, the invention provides a kind of easy to operate, volume is little, lightweight equipment, device is made clip shape, characteristics just are to use extremely convenient and simple, saved simultaneously complicated actuating device, and adopt the mode of closing of directly pressing from both sides, and can take full advantage of more common wireless network (such as Wi-Fi, W-Lan etc.), can seamlessly rapidly warning message be passed to wireless network server, aspect the reception signal processing, also adopt the retardation ratio mode of innovating to eliminate the impact of bias light, reduced the processing time, promoted real-time.
The present invention also provides a kind of transfusion method for controlling stopping, comprising: the sending and receiving infrared light, detect the infrared signal level, if detecting the infrared signal level changes, close the sending and receiving of infrared light, drive motors rotates, and motor rotation axis drives rotating module and clamps tube for transfusion.
Especially, as shown in Figure 6, the program flow diagram for a kind of method for controlling stopping of infusing comprises:
301, system powers on,
302, sending and receiving infrared light
303, detect the infrared signal level, do not change if detect the infrared signal level, return 302, otherwise, go to 304;
304, close infrared sending and receiving, drive motors rotates, and motor rotation axis drives rotating module and rotates, and utilizes the hard cards on the rotating module to clamp tube for transfusion.
Further, as a kind of optional embodiment, also comprise 305, send warning message by transmission of wireless signals equipment (such as Wi-Fi, W-Lan equipment etc.) to wireless network server, receive the affirmation signal of wireless network server feedback;
Especially, also comprise if do not receive the affirmation signal of wireless network server feedback, repeat 305, until receive and confirm or manually close;
306, motor and rotating module reset.
The described infrared signal level that detects changes and to comprise: when liquid level during by the infrared light detection face, the infrared signal level sports high or low, and continue for some time, caught by single-chip microcomputer, the mode of catching can be single-chip microcomputer to be arranged level interrupt, and then single-chip microcomputer enters dormancy, and interrupt condition is then satisfied in the level variation, single-chip microcomputer is waken up, and enters 304 work.
It will be apparent to those skilled in the art that and understand that the above embodiment of the present invention and accompanying drawing only are used for explanation the present invention, and are not limited to the present invention.In the situation that does not deviate from spirit of the present invention and essence thereof, those skilled in the art make various corresponding changes or distortion according to the present invention, all belong to claim protection domain of the present invention.

Claims (10)

1. a transfusion stops the control folder, forms clip (100) by elastomeric element (3) connection the first intermediate plate (1) and the second intermediate plate (2); Described the first intermediate plate (1) and the second intermediate plate (2) are cavity structure, it is characterized in that:
Be provided with infrared transmitter (10) in the cavity of described the first intermediate plate (1);
Be provided with motor module (60) in described the second intermediate plate (2) cavity;
The motor shaft (70) of described motor module (60) is expenditure outwards, described motor shaft (70) is connected with cylindrical rotating module (5), described rotating module (5) inside is provided with infrared light receptor (80), and the outside is fixedly connected with hard cards (90);
Be provided with signal processing and control module (20) and power module (40) in the cavity of described the first intermediate plate (1) or the second intermediate plate (2);
Described power module (40) is connected with described infrared transmitter (10), infrared light receptor (80), motor module (60) with control module (20) by described signal processing.
2. transfusion stops the control folder as claimed in claim 1, and it is characterized in that: described motor module (60) is motor.
3. transfusion stops the control folder as claimed in claim 2, it is characterized in that: comprise Wi-Fi wireless transport module (30), be connected with control module (20) with signal processing, be used for warning message is sent to wireless network, receive the affirmation signal that wireless network is sent.
4. transfusion stops the control folder as claimed in claim 2, it is characterized in that: comprise reset switch (50), the position that is used for control on and off switch or machine shaft (70) resets.
5. transfusion stops the control folder as described in arbitrary such as claim 2-4, it is characterized in that: described signal processing and control module (20), adopt super low power consuming single chip processor, described SCM peripheral disposes the power circuit that is connected with power module (40), the motor-drive circuit that is connected with motor module (60), the infrared circuit for generating that is connected with infrared emittance (10), the infrared receiving processing circuit that is connected with infrared remote receiver (80).
6. transfusion stops the control folder as claimed in claim 5, it is characterized in that: described infrared receiving processing circuit, be used for the infrared electro signal that receives is processed, with clutter noise and the background noise that removal receives, eliminate the impact of ambient light and other interference.
7. transfusion stops control folder as claimed in claim 5, it is characterized in that: described signal processing and control module also comprise the reseting switch circuit that is connected with reset switch (50) or with Wi-Fi drive circuit that Wi-Fi wireless transport module (30) is connected in any one or multiple.
One kind the transfusion method for controlling stopping, it is characterized in that: comprising: the sending and receiving infrared light, the detection level changes, if detecting level changes, close infrared sending and receiving, drive motors rotates, and motor rotation axis drives rotating module and rotates, and utilizes the hard cards on the rotating module to clamp tube for transfusion.
9. the method for controlling stopping of infusing as claimed in claim 8, it is characterized in that: the open frequency of described sending and receiving infrared light is controlled according to power-on time.
10. the method for controlling stopping of infusing as claimed in claim 8 is characterized in that: change if detect level, send warning message by the transmission of wireless signals device-to-server, the affirmation signal of reception server feedback.
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104014017A (en) * 2014-05-13 2014-09-03 苏州瓦屋物联网科技有限公司 Infrared detection drip control system based on host control
CN104014032A (en) * 2014-05-28 2014-09-03 苏州瓦屋物联网科技有限公司 Fluid injection device based on pressure detection and host control
CN104174096A (en) * 2014-09-11 2014-12-03 刘都 Flow cut-off system and liquid level alarm system for medical infusion bottle
CN106730157A (en) * 2016-12-16 2017-05-31 韦普泰克(常州)测控系统设备有限公司 Low power-consumption intelligent positions network-type infusion monitor device and its implementation
CN106860931A (en) * 2015-08-31 2017-06-20 崔伟 The speed regulator of blood line
WO2017133251A1 (en) * 2016-02-05 2017-08-10 深圳市纳福信息技术有限公司 Infusion device with infusion prompting
CN107648702A (en) * 2017-11-01 2018-02-02 华中科技大学 A kind of non-contact drop alarm set and method
CN109543541A (en) * 2018-10-23 2019-03-29 北京的卢深视科技有限公司 A kind of biopsy method and device
CN109966585A (en) * 2019-05-14 2019-07-05 扈成立 A kind of infusion monitoring alarm occluding device

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104014017A (en) * 2014-05-13 2014-09-03 苏州瓦屋物联网科技有限公司 Infrared detection drip control system based on host control
CN104014032A (en) * 2014-05-28 2014-09-03 苏州瓦屋物联网科技有限公司 Fluid injection device based on pressure detection and host control
CN104174096A (en) * 2014-09-11 2014-12-03 刘都 Flow cut-off system and liquid level alarm system for medical infusion bottle
CN106860931A (en) * 2015-08-31 2017-06-20 崔伟 The speed regulator of blood line
WO2017133251A1 (en) * 2016-02-05 2017-08-10 深圳市纳福信息技术有限公司 Infusion device with infusion prompting
CN106730157A (en) * 2016-12-16 2017-05-31 韦普泰克(常州)测控系统设备有限公司 Low power-consumption intelligent positions network-type infusion monitor device and its implementation
CN107648702A (en) * 2017-11-01 2018-02-02 华中科技大学 A kind of non-contact drop alarm set and method
CN109543541A (en) * 2018-10-23 2019-03-29 北京的卢深视科技有限公司 A kind of biopsy method and device
CN109543541B (en) * 2018-10-23 2024-03-08 合肥的卢深视科技有限公司 Living body detection method and device
CN109966585A (en) * 2019-05-14 2019-07-05 扈成立 A kind of infusion monitoring alarm occluding device

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