CN204699144U - A kind of medical transfusion device and control system thereof - Google Patents
A kind of medical transfusion device and control system thereof Download PDFInfo
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- CN204699144U CN204699144U CN201520356466.5U CN201520356466U CN204699144U CN 204699144 U CN204699144 U CN 204699144U CN 201520356466 U CN201520356466 U CN 201520356466U CN 204699144 U CN204699144 U CN 204699144U
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Abstract
This utility model provides a kind of medical transfusion device and control system thereof, comprises drop movable stand, motor, liquid containing bottle, dropping funnel, drips speed folder, by liquid bottle, rope; One end of described rope is connected with the clutch end of motor, and the other end is connected with the top of liquid containing bottle by being arranged on the pulley on suspension holdfast; Described liquid containing bottle, dropping funnel and by between liquid bottle successively pipeline connect, described dropping funnel and drip speed folder by the pipeline between liquid bottle is also provided with.This utility model is when intravenous drip infusion, by fluid level condition, infusion speed in transfusion speed sensor B, liquid containing bottle liquid level sensor B monitoring transfusion pipe, and at the end of abnormal and transfusion occur in transfusion, send alarm signal and call out associated medical worker, human resources's occupancy is little, and efficiency is high; Capacity of resisting disturbance is strong in actual applications, thus avoids the generation of malpractice.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of medical transfusion device and control system thereof.
Background technology
Dropping syringe is medical apparatus very common in modern hospital, and existing Medical transfusion is generally by transfusion bottle, and transfusion device, tube for transfusion and hand regulator form.Transfusion device one inserts in transfusion bottle, and other end connects tube for transfusion, and actuator is used for coutroi velocity.The present equipment for infusion can only adopt the way of personal monitoring's liquid level usually, in a lot of situation, client need many bottles hangs water, current means manually change transfusion bottle by medical personnel at the end of being about to, but this needs sufferer or its household to observe transfusion bottle whether will to use up, then notify that medical personnel come to change.Its shortcoming is that human resources's occupancy is large, and efficiency is low.And some employing sound, light principle detect the device of drop infusion liquid level, energy-saving effect is poor in actual applications, control effects is poor, poor anti jamming capability, easily false alarm, and time sometimes busy, medical care Surveillance center personnel turn round and look at all and do not come, thus the generation of malpractice may be caused.
Utility model content
For solving the problems of the technologies described above, this utility model provides a kind of medical transfusion device and control system thereof, this medical transfusion device and control system thereof transmit liquid level information to associated medical worker by ISM rf transmitter unit B, ISM rf receiver unit B and GPRS/GSM integrated unit B, solve that traditional control system control effects is poor, poor anti jamming capability, easy false alarm and may cause the problem of the generation of malpractice.
This utility model is achieved by the following technical programs.
A kind of medical transfusion device that this utility model provides, comprises drop movable stand, motor, liquid containing bottle, dropping funnel, drips speed folder, by liquid bottle, rope; One end of described rope is connected with the clutch end of motor, and the other end is connected with the top of liquid containing bottle by being arranged on the pulley on suspension holdfast; Described liquid containing bottle, dropping funnel and by between liquid bottle successively pipeline connect, described dropping funnel and drip speed folder by the pipeline between liquid bottle is also provided with.
A kind of control system of medical transfusion device, described control system comprises primary module A and from module B, primary module A comprises power supply power saving unit A, power circuit unit A, MCU unit A, ISM rf receiver unit A, push-button unit A, liquid crystal display A and alarm unit A; MCU unit A is powered by power circuit unit A by power supply power saving unit A, ISM rf receiver unit A is connected with the signal input part of MCU unit A respectively with the signal output part of push-button unit A, and the signal output part of MCU unit A is connected with the signal input part of liquid crystal display A and alarm unit A respectively.
Power supply power saving unit B, power circuit unit B, GPRS/GSM integrated unit B, Signal reception and input block B, push-button unit B, dropping speed control unit B, ISM rf transmitter unit B, electric-motor drive unit B, transfusion speed sensor B, liquid containing bottle liquid level sensor B, MCU unit B is comprised from module B; MCU unit B is powered by power circuit unit B by power supply power saving unit B, Signal reception is connected with the signal input part of MCU unit B respectively with the signal output part of input block B, push-button unit B, transfusion speed sensor B and liquid containing bottle liquid level sensor, and the signal output part of MCU unit B is connected with the signal input part of dropping speed control unit B, ISM rf transmitter unit B, electric-motor drive unit B and GPRS/GSM integrated unit B respectively.
Also comprise charger B, charging port B, rechargeable battery B and Charge Management unit B, the outfan of charger B is connected rear Charge Management unit B of passing through successively and is connected with the input of power supply power saving unit B with charging port B, rechargeable battery B.
Also comprise display unit B, the signal input part of display unit B is connected with the signal output part of MCU unit B.
Also comprise sensor signal conditioning unit B, the signal input part of sensor signal conditioning unit B is connected with the signal output part of liquid containing bottle liquid level sensor B, and signal output part is connected with the signal input part of MCU unit B.
Described liquid containing bottle liquid level sensor B is that ultrasound detects liquid level sensor.
The master chip of described MCU unit B adopts STC12LE5A32S2 low-power scm.
The master chip of described MCU unit A is STC11L04E single-chip microcomputer.
ISM rf transmitter unit B and ISM rf receiver unit A is si4432 wireless module.
The beneficial effects of the utility model are: provide a kind of energy-conservation medical transfusion automaton, be specifically related to SCM Based energy-conservation medical transfusion automaton, namely when intravenous drip infusion, by fluid level condition, infusion speed in transfusion speed sensor B, liquid containing bottle liquid level sensor B monitoring transfusion pipe, and at the end of abnormal and transfusion occur in transfusion, send alarm signal and call out associated medical worker, human resources's occupancy is little, and efficiency is high; Capacity of resisting disturbance is strong in actual applications, thus avoids the generation of malpractice.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the theory diagram of the primary module A of this utility model control system;
Fig. 3 is the theory diagram from module B of this utility model control system;
Fig. 4 is the circuit diagram of the primary module A of this utility model control system;
Fig. 5 is the circuit diagram from module B of this utility model control system;
Fig. 6 is the circuit diagram from the Charge Management unit of module B in this utility model;
Fig. 7 is the circuit diagram from the voltage conversion portion of module B Charge Management unit in this utility model;
Fig. 8 is the circuit diagram from the rf signal reception unit of module B in this utility model;
Fig. 9 is the ultrasonic transmit circuit figure of this utility model control system from the sensor signal conditioning unit module B;
Figure 10 is the ultrasound wave receiving circuit figure of this utility model control system from the sensor signal conditioning unit module B;
Figure 11 is the circuit diagram from the electric-motor drive unit module B in this utility model control system;
Figure 12 a, 12b, 12c are from the power circuit unit circuit diagram module B in this utility model control system;
Figure 13 is from the ISM radio-frequency transmitter unit module B and GPRS/GSM module integration unit subprogram block diagram in this utility model control system;
Figure 14 is from the dropping speed control unit structure journey figure module B in this utility model control system;
Figure 15 is from the dropping speed feedback principle block diagram module B in this utility model control system;
Figure 16 is from the dropping speed measuring flow chart module B in this utility model control system;
Figure 17 is subroutine flow chart of reporting to the police from primary module A in this utility model control system;
In figure: 1-drop movable stand, 11-suspension holdfast, 12-pulley, 2-motor, 3-liquid containing bottle, 4-dropping funnel, 5-drips speed folder, and 6-is by liquid bottle, and 7-restricts.
Detailed description of the invention
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
A kind of medical transfusion device as shown in Figure 1, comprises drop movable stand 1, motor 2, liquid containing bottle 3, dropping funnel 4, drips speed folder 5, by liquid bottle 6, rope 7; One end of described rope 7 is connected with the clutch end of motor 2, and the other end is connected with the top of liquid containing bottle 3 by the pulley 12 be arranged on suspension holdfast 11; Described liquid containing bottle 3, dropping funnel 4 and by between liquid bottle 6 successively pipeline connect, described dropping funnel 4 and drip speed folder 5 by the pipeline between liquid bottle 6 is also provided with.
The control system of the medical transfusion device as shown in Fig. 2 ~ 17, described control system comprises primary module A and from module B, primary module A comprises power supply power saving unit A, power circuit unit A, MCU unit A, ISM rf receiver unit A, push-button unit A, liquid crystal display A and alarm unit A; MCU unit A is powered by power circuit unit A by power supply power saving unit A, ISM rf receiver unit A is connected with the signal input part of MCU unit A respectively with the signal output part of push-button unit A, and the signal output part of MCU unit A is connected with the signal input part of liquid crystal display A and alarm unit A respectively.
Power supply power saving unit B, power circuit unit B, GPRS/GSM integrated unit B, Signal reception and input block B, push-button unit B, dropping speed control unit B, ISM rf transmitter unit B, electric-motor drive unit B, transfusion speed sensor B, liquid containing bottle liquid level sensor B, MCU unit B is comprised from module B; MCU unit B is powered by power circuit unit B by power supply power saving unit B, Signal reception is connected with the signal input part of MCU unit B respectively with the signal output part of input block B, push-button unit B, transfusion speed sensor B and liquid containing bottle liquid level sensor, and the signal output part of MCU unit B is connected with the signal input part of dropping speed control unit B, ISM rf transmitter unit B, electric-motor drive unit B and GPRS/GSM integrated unit B respectively.Rise by making liquid containing bottle 3 or decline and change ground to the height h be subject between liquid bottle 6
2, thus regulate dropping speed, when dropping speed control unit B monitors dropping speed by changing height h
2when not reaching requirement yet, then the eccentric by controlling to drip speed folder 5 moves and compresses or loosen infusion tube, completes the control of transfusion speed.
Also comprise charger B, charging port B, rechargeable battery B and Charge Management unit B, the outfan of charger B is connected rear Charge Management unit B of passing through successively and is connected with the input of power supply power saving unit B with charging port B, rechargeable battery B.
Also comprise display unit B, the signal input part of display unit B is connected with the signal output part of MCU unit B.
Also comprise sensor signal conditioning unit B, the signal input part of sensor signal conditioning unit B is connected with the signal output part of liquid containing bottle liquid level sensor B, and signal output part is connected with the signal input part of MCU unit B.
Described liquid containing bottle liquid level sensor B is that ultrasound detects liquid level sensor; Measure the liquid level h of liquid containing bottle
1.
The master chip of described MCU unit B adopts STC12LE5A32S2 low-power scm.
The master chip of described MCU unit A is STC11L04E single-chip microcomputer.
ISM rf transmitter unit B and ISM rf receiver unit A is si4432 wireless module.
This utility model in actual use, when the signaling of the unit B that pushes button starts button, then system by gather current point dropping liquid position information and dropping speed information via after the process of MCU unit B, by ISM rf transmitter unit B always interval send Site Detection information to primary module A, and the current information of collection is sent to medical personnel's mobile phone alarm number and the Internet Surveillance center of setting by GSM/GPRS, medical personnel are allowed to learn the current location of liquid in drop liquid containing bottle in real time, the ISM Transmit Receive Unit A of primary module A takes the mode of passive reception information, have energy-conservation, receive the feature of wireless signaling and network service.
Sensor signal conditioning circuit is connected with described liquid containing bottle liquid level sensor, the transducing signal of described measurement dropping speed is delivered to from the MCU unit B of module B by it, GSM/GPRS integrated circuit and ISM rf transmitter unit B is connected from the MCU unit B of module B, when medical transfusion device there is drip, drip off or phenomenon of the failure time, by both combine field data is sent on the mobile phone of Surveillance center and PN personnel.
The function that the ultrasonic transmit circuit of sensor signal conditioning unit will complete is the control signal receiving single-chip microcomputer, and producing frequency according to this control signal is the square-wave signal of 40KHz, sends ultrasonic emitting probe to and launch ultrasound wave after amplifying.
Single-chip microcomputer P1.0 exports the single pulse signal of 1us, and this signal is for controlling the conducting/closedown of bidirectional triode thyristor 2N6349A.Controllable silicon is in closed condition usually, and before trigger impulse do not launched by single-chip microcomputer, the two ends of electric capacity C7 are filled with higher unidirectional current.When the moment that trigger impulse arrives, SCR1 is conducting first, and pulse signal triggers SCR2 through C4, makes SCR2 conducting.The one end of electric capacity C7 that makes in a flash of conducting is pulled to low level, because the voltage at electric capacity two ends can not suddenly change, so there has been higher voltage difference at electric capacity C7 two ends, electric capacity C7 is by diode Dl, D2, R13, R12 and ultrasound probe start electric discharge, impedance due to ultrasound probe is far longer than resistance R12, R13, so the voltage at resistance R12, R13 two ends is just added to the two ends of ultrasound probe, the voltage waveform being added to ultrasound probe two ends is the negative pulse that voltage is higher, thus the vibration of excitation piezoelectric chip, make it to launch ultrasound wave.After transmitting trigger impulse terminates, G, K ground connection of SCR1, does not meet turn-on condition, closes at first.In the circuit of SCR2, C6 is discharged by R10, R11, because C6 is high pressure resistant low electric capacity, so SCR2 closes after having sparked.Controllable silicon is in closed condition again, waits for that trigger impulse next time arrives.
The ultrasound wave receiving circuit of sensor signal conditioning unit adopts NJM4580 operational amplifier to amplify signal.Ultrasound wave is converted to the signal of telecommunication by ultrasound wave receiving transducer, is amplified by operational amplifier A 1, and A1 output signal with level and smooth, then is amplified to Transistor-Transistor Logic level as output signal U by VT1 through VD1 and VD2, C1 detection
0if ultrasonic signal detected, then export U
0for low level.
Power circuit unit provides voltage for whole system, in order to make the ripple of 5V out-put supply in circuit less, thus the electric capacity of 22uF and 0.1uF is have employed at the voltage output end after ZA3020 conversion, the power input of chip also placed a 10uF and the filter capacitor with 0.1uF in addition, thus effectively reduce the interference that input is subject to, signal stabilization is inputted reliably, and two kinds of power supply modes can be realized: one uses rechargeable lithium battery cell band charging circuit and energy-saving circuit, power reguirements can be met, and power supply is stable, another kind uses the D.C. regulated power supply meeting range directly to power.
Electric-motor drive unit, electric current and the voltage of motor driving needs are relatively large, therefore employing full bridge driving circuit, when the base voltage of Q5 is high level, when the base voltage of Q8 is low level, the conducting of Q1 and Q3 pipe, Q2 and Q4 pipe ends, now motor generation main story, thus described motor 2 outfan connects liquid containing bottle 3 by actuating device via pulley 12, rise by making liquid containing bottle 3 and change ground to the height by h2 between liquid bottle 6, thus regulate dropping speed to improve, when dropping speed monitoring means monitor speed do not reach requirement yet by this kind of scheme time, after then ground being locked to the height by h2 between liquid bottle 6, the base voltage of Q6 is made to be high level, when the base voltage of Q7 is low level, the conducting of Q4 and Q2 pipe, Q1 and Q3 pipe ends, now there is motor anyway, utilize described motor 2 to pass through inversion mode simultaneously, the eccentric dripping speed folder 5 is driven to move to loosen infusion tube, complete the further control that transfusion speed improves, otherwise operation will complete transfusion speed slows down control.
From module B, by the button measuring ability input signal of push-button unit B, and corresponding signal is given middle MCU unit B.Power supply power saving unit B carrys out the break-make of control voltage output mainly through the pulse signal that MCU unit B is transmitted, and then by ISM emission of radio frequency signals unit B send wireless signal, ISM emission of radio frequency signals unit B with Si4432 radio frequency chip for core designs.
System initialization is carried out from module B, ISM radio frequency Si4432 wireless transmission starts signaling, ISM radio-frequency transmitter unit is receiver address and will send data and send into Si4432 wireless transmitting unit chronologically, configuration corresponding registers, single-chip microcomputer sets high P33 foot, press and start Si4432 wireless transmitting unit by detecting button and enter corresponding signal emission mode (its emission process is for power to radio-frequency front-end, rf data is packed, transmitted at high speed packet), after transmission cycle cue to primary module, Si4432 wireless transmission unit enters energy-conservation resting state, wake up dynamically after machine wireless module, Signal reception and input circuit will wait for that the periodic transmitting data bag of the Si4432 of primary module A arrives, signal is not received once in setting-up time, central processing unit controls GPRS/GPS/GSM locating module starts voluntarily, by the current monitoring information that GPRS/GSM gathers, through CPU by after locator data packing process, pass to server by GPRS or passed to the number of setting by GSM, when the ISM radio frequency Si4432 continuous reception of primary module A Surveillance center is to just data bag (correct address and CRC check code), CPU constantly reads data from Si4432, and monitoring result is delivered to liquid crystal display show, and according to system default parameter, monitoring result is delivered to alarm unit and carry out alarm.
Dropping funnel height h of the present utility model
2with liquid drop speed N direct proportionality, approximate ratio COEFFICIENT K
2, drop detection parts can be closely Time Delay, and the motor in described system is equivalent to an integral element, umber of pulse n and dropping funnel height h
2proportionality coefficient be K
1.Due to the existence of this integral element, and there is detection time delay in system, and make the differential action not obvious, so we realize adjusting control function with proportional controller, its proportionality coefficient is K
p.
As shown in figure 15, be dropping speed feedback principle block diagram of the present utility model, adjust and parameter choose about concrete system:
Choosing of <1> drop detection cycle
Consider the speed (20-150/points) of system liquid drop speed and the reliable of detection, so the drop detection cycle is decided to be 1 second.
<2> parameter K
1calculating
K
1motor straight-line displacement that the diameter of axle turns (i.e. dropping funnel height h
2) export the ratio of pulse with actuator.Here motor shaft diameter D=22mm, therefore its girth:
C＝πD＝3.14×22×10
-3＝0.069m
N
0(umber of pulse/week)=2/ step angle, step angle value is 0.045 °, so:
Therefore can obtain:
<3> parameter K
2choose
Through practical measurement, dropping funnel height h
2and being non-linear relation between liquid drop speed N, in order to simplify mathematical model, taking
Adopt tangential method to carry out linearisation near general operating point and draw Proportional coefficient K
2.
<4> parameter PK adjusts
K
pcalculated value may there is deviation with actual value, adopt engineering turning method herein, obtain K
puse initial value, final value is as the criterion with actual adjusted value, and value is as follows:
As shown in figure 16, be dropping speed measuring flow chart of the present utility model, the measurement of described dropping speed is the lower number by drop in record unit time, then calculates the speed of single drop.Described Computing Principle is: often occur that a point drips and just once interrupt, the interruption number occurred within the unit interval is number of a little dripping, and the intervalometer T0 timing of system is 200us.When systems axiol-ogy is to first pulse signal, program carries out interrupt processing immediately, reads the content that this hour counter stores, then resets, and the initial value of note pulse signal is COUNT=0.When intervalometer timing arrives 200us, whether program interrupt detects input signal has pulse signal to arrive, and enumerator is added 1 for COUNT=1.The pulse signal number detected by enumerator COUNT=1 and the memory element setting enumerator COUNT=1 is 10, by circulation storage pulse number.In intervalometer COUNT=1, get 5 adjacent pulse signal points, if enumerator COUNT value corresponding to initial pulse point is n1, the value that last pulse point is corresponding is n2.Thus calculate 5 pulse point required times and be: t=(n2-n1) × 200us, so the meansigma methods of two adjacent pulse signal interval is T=t/5.Dropping speed can be obtained thus: V=60s/T, i.e. V=1500/ (n2-n1).
As shown in figure 17, be warning subroutine flow chart of the present utility model, the fault such as slow or too fast, drip of often infusing in transfusion or occur dripping off phenomenon, now warning system sends warning.Detect transfusion extremely to be realized by 4s Interruption.Analyze and drip fast data, if drip speed to be greater than a setting speed, then infuse too fast, the P0.7 end of single-chip microcomputer exports high level, and the P0.7 foot set of single-chip microcomputer and the reset of P3.0 foot, drive buzzer and light emitting diode to send sound and light alarm, and current information is sent to medical personnel by GSM/GPRS module with short message mode; Otherwise, then infused slow.If fall without drop in 4s, then for transfusion is interrupted or transfusion terminates, the P0.7 end of single-chip microcomputer exports high level, and the P0.7 foot set of single-chip microcomputer and the reset of P3.0 foot, drive buzzer and light emitting diode also to send sound and light alarm, also realize current information to send to medical personnel by GSM/GPRS module with short message mode.If infuse in normal range, single-chip microcomputer P0.7 holds output low level, the P0.7 foot reset of single-chip microcomputer, does not send sound and light alarm.Current information sends to medical personnel by GSM/GPRS module with short message mode simultaneously.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also comprises the technical scheme be made up of above technical characteristic combination in any.The above is the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a medical transfusion device, comprise drop movable stand (1), motor (2), liquid containing bottle (3), dropping funnel (4), drip speed folder (5), by liquid bottle (6), rope (7), it is characterized in that: one end of described rope (7) is connected with the clutch end of motor (2), the other end is connected with the top of liquid containing bottle (3) by the pulley (12) be arranged on suspension holdfast (11); Described liquid containing bottle (3), dropping funnel (4) and by between liquid bottle (6) successively pipeline connect, described dropping funnel (4) and drip speed folder (5) by the pipeline between liquid bottle (6) is also provided with.
2. the control system of medical transfusion device as claimed in claim 1, it is characterized in that: described control system comprises primary module A and from module B, primary module A comprises power supply power saving unit A, power circuit unit A, MCU unit A, ISM rf receiver unit A, push-button unit A, liquid crystal display A and alarm unit A; MCU unit A is powered by power circuit unit A by power supply power saving unit A, ISM rf receiver unit A is connected with the signal input part of MCU unit A respectively with the signal output part of push-button unit A, and the signal output part of MCU unit A is connected with the signal input part of liquid crystal display A and alarm unit A respectively;
Power supply power saving unit B, power circuit unit B, GPRS/GSM integrated unit B, Signal reception and input block B, push-button unit B, dropping speed control unit B, ISM rf transmitter unit B, electric-motor drive unit B, transfusion speed sensor B, liquid containing bottle liquid level sensor B, MCU unit B is comprised from module B; MCU unit B is powered by power circuit unit B by power supply power saving unit B, Signal reception is connected with the signal input part of MCU unit B respectively with the signal output part of input block B, push-button unit B, transfusion speed sensor B and liquid containing bottle liquid level sensor, and the signal output part of MCU unit B is connected with the signal input part of dropping speed control unit B, ISM rf transmitter unit B, electric-motor drive unit B and GPRS/GSM integrated unit B respectively.
3. the control system of medical transfusion device as claimed in claim 2, it is characterized in that: also comprise charger B, charging port B, rechargeable battery B and Charge Management unit B, the outfan of charger B is connected rear Charge Management unit B of passing through successively and is connected with the input of power supply power saving unit B with charging port B, rechargeable battery B.
4. the control system of medical transfusion device as claimed in claim 2, it is characterized in that: also comprise display unit B, the signal input part of display unit B is connected with the signal output part of MCU unit B.
5. the control system of medical transfusion device as claimed in claim 2, it is characterized in that: also comprise sensor signal conditioning unit B, the signal input part of sensor signal conditioning unit B is connected with the signal output part of liquid containing bottle liquid level sensor B, and signal output part is connected with the signal input part of MCU unit B.
6. the control system of the medical transfusion device as described in claim 2 or 5, is characterized in that: described liquid containing bottle liquid level sensor B is that ultrasound detects liquid level sensor.
7. the control system of medical transfusion device as claimed in claim 2, is characterized in that: the master chip of described MCU unit B adopts STC12LE5A32S2 low-power scm.
8. the control system of medical transfusion device as claimed in claim 2, is characterized in that: the master chip of described MCU unit A is STC11L04E single-chip microcomputer.
9. the control system of medical transfusion device as claimed in claim 2, is characterized in that: ISM rf transmitter unit B and ISM rf receiver unit A is si4432 wireless module.
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| CN201520356466.5U CN204699144U (en) | 2015-05-28 | 2015-05-28 | A kind of medical transfusion device and control system thereof |
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|---|---|---|---|
| CN201520356466.5U CN204699144U (en) | 2015-05-28 | 2015-05-28 | A kind of medical transfusion device and control system thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841037A (en) * | 2015-05-28 | 2015-08-19 | 遵义师范学院 | Infusion device and alarm system thereof |
| CN106075651A (en) * | 2016-06-13 | 2016-11-09 | 武汉科技大学 | A kind of caution system of the detection transfusion removing capture effect |
| CN108853612A (en) * | 2017-05-15 | 2018-11-23 | 柳州联海科技有限公司 | A kind of fixing device for ventricular drainage |
| CN108853613A (en) * | 2017-05-15 | 2018-11-23 | 柳州联海科技有限公司 | A kind of fixing device for ventricular drainage that can be monitored in real time |
| CN108853692A (en) * | 2017-05-15 | 2018-11-23 | 柳州联海科技有限公司 | A kind of fixing device for ventricular drainage suitable on transfer car(buggy) |
| CN109461487A (en) * | 2018-10-29 | 2019-03-12 | 深圳麦科田生物医疗技术有限公司 | A kind of PCA infusion device and the method for ahead relieving locking |
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2015
- 2015-05-28 CN CN201520356466.5U patent/CN204699144U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841037A (en) * | 2015-05-28 | 2015-08-19 | 遵义师范学院 | Infusion device and alarm system thereof |
| CN106075651A (en) * | 2016-06-13 | 2016-11-09 | 武汉科技大学 | A kind of caution system of the detection transfusion removing capture effect |
| CN106075651B (en) * | 2016-06-13 | 2019-01-04 | 武汉科技大学 | A kind of warning system of the detection infusion of removal capture effect |
| CN108853612A (en) * | 2017-05-15 | 2018-11-23 | 柳州联海科技有限公司 | A kind of fixing device for ventricular drainage |
| CN108853613A (en) * | 2017-05-15 | 2018-11-23 | 柳州联海科技有限公司 | A kind of fixing device for ventricular drainage that can be monitored in real time |
| CN108853692A (en) * | 2017-05-15 | 2018-11-23 | 柳州联海科技有限公司 | A kind of fixing device for ventricular drainage suitable on transfer car(buggy) |
| CN109461487A (en) * | 2018-10-29 | 2019-03-12 | 深圳麦科田生物医疗技术有限公司 | A kind of PCA infusion device and the method for ahead relieving locking |
| CN109461487B (en) * | 2018-10-29 | 2020-11-17 | 深圳麦科田生物医疗技术有限公司 | PCA infusion device, locking releasing method and device in advance and storage medium |
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