CN204562224U - A kind of medicine skin test device - Google Patents
A kind of medicine skin test device Download PDFInfo
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- CN204562224U CN204562224U CN201520099726.5U CN201520099726U CN204562224U CN 204562224 U CN204562224 U CN 204562224U CN 201520099726 U CN201520099726 U CN 201520099726U CN 204562224 U CN204562224 U CN 204562224U
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- skin test
- mcu module
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- test device
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Abstract
This utility model discloses a kind of medicine skin test device, the power supply comprising the first MCU module and power for skin test device, first MCU module is connected with pulse signal generator, display and functional keys, pulse signal generator output pulse signal is to skin test electrode tip, described skin test device also comprises the Load-aware device, alarm and the first radio receiving transmitting module that are connected with the first MCU module respectively, and Load-aware device Load-aware logical signal feeds back to the first MCU module; Described skin test device also comprises the remote console being located at medical service activity center, is provided with the second MCU module and the second radio receiving transmitting module in remote console, and the first radio receiving transmitting module and the second radio receiving transmitting module form wireless communication networks; Carry out detection by Load-aware device to the human body load carrying out medicine skin test to judge, and judged result is fed back in time the first MCU module and process, avoid occurring mistaken diagnosis, meanwhile, make medical worker control skin test process in time by remote console.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically a kind of medicine skin test device.
Background technology
Known, in clinical treatment, when medical worker carries out some drugs treatment to patient antibiotic medicines such as () such as penicillins, first to carry out medicine skin test to patient, to avoid some patient, anaphylaxis be existed to medicine.Traditional medicine skin test method adopts the mode of skin and flesh injection by subcutaneous to patient of injecting liquid drug, and this skin test method exists complex operation, causes the shortcoming of the pain of patient, and the skin test time is long, generally needs 15 ~ 20 minutes; The drug dose of skin test is also not easy to grasp in addition, the proficiency level of the medical worker that places one's entire reliance upon." a kind of electronic skin tester " (publication number CN1377631A) discloses a kind of DC signal that utilizes stimulates human body skin Sucked medicine to carry out the instrument of skin test, although shorten the skin test time, but easily occur polarization phenomena, make false-positive result increase, skin test accuracy rate is low.For this situation, a kind of skin test instrument is had to adopt pulsed DC signal to carry out medicine-inductiveness at present, improve accuracy rate, but this skin test instrument cannot know in use skin test electrode tip whether with human body reliable contacts, if there is the situation with human body resistance loose contact, cannot make a response in time, thus cause wrong diagnosis; On the other hand, medical worker can not learn whether skin test completes in time.
Utility model content
The purpose of this utility model is to provide a kind of medicine skin test device, this skin test device can carry out hurtless measure medicine skin test to patient, and whether can carry out perception judgement online to human body load, make a response in time and avoid occurring mistaken diagnosis, interactive correspondence can be carried out with medical service activity center simultaneously, make medical worker control skin test process in time.
This utility model solves the technical scheme that its technical problem adopts:
A kind of medicine skin test device, the power supply comprising the first MCU module and power for described skin test device, be arranged with coupled respectively pulse signal generator, display and functional keys outside first MCU module, pulse signal generator output pulse signal is to skin test electrode tip; Described skin test device also comprises the Load-aware device and alarm that are connected with the first MCU module respectively, Load-aware device comprises the signal acquisition circuit gathered the pulse signal through human body load, outfan connection signal amplifying circuit and the filter circuit successively of signal acquisition circuit; Described Load-aware device also comprises voltage comparator and transistor switching circuit; The first input end of described voltage comparator connects the outfan of filter circuit, and the second input access reference voltage source of voltage comparator, the Load-aware logical signal exported by voltage comparator by transistor switching circuit feeds back to the first MCU module.
Further, described skin test device also comprises the first radio receiving transmitting module be connected with the first MCU module.
Further, described skin test device also comprises the remote console being located at medical service activity center, the second MCU module is provided with in remote console, second MCU module is connected with the second radio receiving transmitting module and display screen, and described first radio receiving transmitting module and the second radio receiving transmitting module form wireless communication networks; Described second MCU module be also connected with for its input " patient recalls " signal recall button.
Further, the second MCU module periphery is also provided with coupled USB interface and network communication interface.
The beneficial effects of the utility model are, carry out detection and judge, and judged result is fed back in time the first MCU module and process, avoid occurring mistaken diagnosis by Load-aware device to the human body load carrying out medicine skin test; Meanwhile, the remote console carrying out interactive correspondence with the first MCU module is set at medical service activity center, makes medical worker control skin test process in time by remote console.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated:
Fig. 1 is electrical principle block diagram of the present utility model;
Fig. 2 is the electrical principle block diagram of Load-aware device in Fig. 1;
Fig. 3 is the electrical schematic diagram of pulse signal generator and Load-aware device in Fig. 1.
Detailed description of the invention
As shown in Figure 1, this utility model provides a kind of medicine skin test device, comprise skin test host A, the power supply being provided with the first MCU module 1 in skin test host A and powering for described skin test host A, power supply comprises battery 9 and the power interface 10 for connecting 220V electric main, both can be powered separately by battery 9, and also can connect civil power by power interface 10 and use, ensure uninterrupted power supply; Be arranged with coupled respectively pulse signal generator 2, display 6 and functional keys 5 outside first MCU module 1, pulse signal generator 2 output pulse signal is to skin test electrode tip 4; Described skin test host A also comprises the Load-aware device 3 and alarm 7 that are connected with the first MCU module 1 respectively; Shown in composition graphs 2, Load-aware device 3 comprises the signal acquisition circuit 11 gathered the pulse signal through human body load RL, outfan connection signal amplifying circuit 12 and the filter circuit 13 successively of signal acquisition circuit 11; Described Load-aware device also comprises voltage comparator 14 and transistor switching circuit 16; The first input end of described voltage comparator 14 connects the outfan of filter circuit 13, second input access reference voltage source 15 of voltage comparator 14, the Load-aware logical signal exported by voltage comparator 14 by transistor switching circuit 16 feeds back to the first MCU module 1; The first radio receiving transmitting module 8 be connected with the first MCU module 1 is also provided with in described skin test host A; Described skin test device also comprises the remote console B being located at medical service activity center, the second MCU module 17 is provided with in remote console B, second MCU module 17 is connected with the second radio receiving transmitting module 18 and display screen 22, and described first radio receiving transmitting module 8 and the second radio receiving transmitting module 18 form wireless communication networks; Described second MCU module 17 is also connected with recalls button 19 and USB interface 20 and network communication interface 21 for input " patient recalls " signal.Described first MCU module 1 and the second MCU module 17 can adopt STC89C52 chip, first radio receiving transmitting module 8 and the second radio receiving transmitting module 18 select wireless telecommunications module T2262/ T2272, when a remote console is equipped with multiple stage skin test main frame, the pairing communication that geocoding carries out remote console and each skin test main frame can be set; Alarm 7 adopts sound and light alarm.
Shown in composition graphs 3, be further described this utility model, adopt 555 intervalometers as the main body of pulse signal generator 2, the VCC end of 555 intervalometers connects the power supply V of battery 9 output
ccgND holds ground connection, reset terminal R receives the triggering signal of the first MCU module 1 transmission by resistance R0, control voltage end CV series capacitance C11 ground connection, low triggering end TR series capacitance C12 ground connection, one end of resistance R12 connects the high-triggering end TH of 555 intervalometers and ground connection, and the other end connects discharge end DC and connects power supply V by resistance R11
ccthus, the multivibrator of 555 intervalometers, resistance R0, R11, R12, electric capacity C11 and C12 composition forms the outfan Q connection skin test electrode tip 4 of pulse signal generator 2,555 intervalometer, and is applied on human body load RL by pulse signal by skin test electrode tip 4.
Load-aware device 3 comprises sampling resistor R1, and sampling resistor R1 is as signal acquisition circuit 11, and the other end ground connection of Load, sampling resistor R1 is held in the signal loading of one end series connection human body load RL of sampling resistor R1; The in-phase input end of the first operational amplifier IC1 is accessed after the loading end Load contact resistance R2 of sampling resistor R1, the outfan of the first operational amplifier IC1 takes back the inverting input to the first operational amplifier IC1 through the adjustable resistance RW of series connection and resistance RF, the inverting input of the first operational amplifier IC1 is also by resistance R3 ground connection, and resistance R2, resistance R3, the first operational amplifier IC1, adjustable resistance RW and resistance RF form signal amplification circuit 12 jointly; One end of resistance R4 connects the outfan of the first operational amplifier IC1, one end ground connection of the other end difference contact resistance R5 and electric capacity C2, electric capacity C2, and resistance R4, R5 and electric capacity C2 form filter circuit 13 jointly; The other end of resistance R5 connects the in-phase input end of the second operational amplifier IC2, and the first operational amplifier IC1 and the second operational amplifier IC2 uses power supply V
ccpower supply, accesses power supply V after resistance R6 connects with Zener diode DW
ccloop, Zener diode DW provides voltage for the inverting input of the second operational amplifier IC2, thus makes the second operational amplifier IC2 coating-forming voltage comparator 14, resistance R6 and Zener diode DW form reference voltage source 15; One end of resistance R7 connects the outfan of the second operational amplifier IC2, the base stage of other end connecting triode TG1, the grounded emitter of audion TG1, power supply V
ccby the resistance R8 of series connection and the colelctor electrode of diode D1 connecting triode TG1, the colelctor electrode of audion TG1 connects the input interface of MCU module 1, and thus, resistance R7, R8, audion TG1, diode D1 form transistor switching circuit 16 jointly.
During use, medical worker by skin test electrode tip 4 bondage in skin test host A on patient's arm, by functional keys 5, the skin test time is set, such as 5min, and start or stop skin test host A by functional keys 5, after startup work, first MCU module 1 sends activation signal to pulse generator 2, namely pulse generator 2 produces pulse signal and acts on human body load RL, by pulse signal by the drugs delivery human body on skin test electrode tip 4, realize AT medicine skin test, display 6 can show the remaining skin test time in real time, after the skin test time, 5min arrived, namely first MCU module 1 sends alert notice patient by alarm 7, meanwhile, skin test end signal is sent to remote control station B by the wireless communication networks consisted of the first radio receiving transmitting module 8 and the second radio receiving transmitting module 18, second MCU module 17 is shown by display screen 22 after receiving, the medical worker at medical service activity center is learnt in time, and whether skin test completes.In the process of skin test, the 3 pairs of human body loads of Load-aware device whether monitor by on-line implement, when human body load RL is online, voltage signal Ua is obtained after sampling resistor R1 pulse signals carries out dividing potential drop, Ua after the signal amplification circuit that resistance R2, resistance R3, the first operational amplifier IC1, adjustable resistance RW and resistance RF are formed, at the voltage signal Ub that the outfan of the first operational amplifier IC1 is amplified, the filter circuit that resistance R4, R5 and electric capacity C2 are formed 4 couples of Ub carry out filtering, obtain d. c. voltage signal Uc, the voltage of voltage comparator to Uc and Zener diode DW that second operational amplifier IC2 is formed compares, because human body load RL is online, so Uc is greater than the voltage at Zener diode DW two ends, and the second operational amplifier IC2 exports high level, makes audion TG1 conducting, feed back low level to the first MCU module 1, represent that human body load is online, if human body load is not online, i.e. human body load RL and skin test electrode tip 4 open circuit, so sampling resistor R1 does not collect voltage signal, Uc is less than the voltage at Zener diode DW two ends, second operational amplifier IC2 output low level, audion TG1 is ended, high level is fed back to the first MCU module 1, represent that human body load is not online, first MCU module 1 is judging human body load can determine whether stop skin test and send alert notice remote control station B according to Offtime after not online, such as Offtime single is greater than 4 seconds or adds up to be greater than 8 seconds, output pulse signal is then stopped to stop this skin test, Offtime single is less than 4 seconds or adds up to be less than 8 second time, skin test proceeds, medical worker is processed in time to off-line problem, avoid occurring wrong diagnosis, by regulating the resistance of adjustable resistance RW, the feedback resistance to the first operational amplifier IC1 can be changed, change the amplification of signal, thus the sensitivity adjusting whether realization judges online to human body load.
After skin test terminates, medical worker needs to check test results, to judge whether the medicines such as injection penicillin, and in skin test process, patient often gets around, skin test terminates rear medical worker and can not find patient thus delay the opportunity of checking test results, thus the accuracy that impact judges, thus, medical worker presses at remote console B and recalls button 19, " patient recalls " order is sent to the second MCU module 17, and " patient recalls " is ordered and is sent to the first MCU module 1 by the wireless communication networks consisted of the first radio receiving transmitting module 8 and the second radio receiving transmitting module 18, first MCU module 1 sends alarm signal to alarm 7 after receiving " patient recalls " order, notify that patient gets back to medical service activity center immediately, thus ensure that test results can be checked in time.Test results can be exported on other equipment by USB interface 20, can by the systems connection such as HIS system, PACS of remote control station B and hospital by network communication interface 21, so that hospital carries out unified management.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to this utility model; Any those of ordinary skill in the art, do not departing under technical solutions of the utility model ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore; every content not departing from technical solutions of the utility model; according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent replacement, equivalence change and modification, all still belong in the scope of technical solutions of the utility model protection.
Claims (4)
1. a medicine skin test device, the power supply comprising the first MCU module (1) and power for described skin test device, pulse signal generator (2) coupled is respectively arranged with outside first MCU module (1), display (6) and functional keys (5), pulse signal generator (2) output pulse signal is to skin test electrode tip (4), it is characterized in that, described skin test device also comprises the Load-aware device (3) and alarm (7) that are connected with the first MCU module (1) respectively, Load-aware device (3) comprises the signal acquisition circuit (11) gathered the pulse signal through human body load (RL), outfan connection signal amplifying circuit (12) and the filter circuit (13) successively of signal acquisition circuit (11), described Load-aware device also comprises voltage comparator (14) and transistor switching circuit (16), the first input end of described voltage comparator (14) connects the outfan of filter circuit (13), second input access reference voltage source (15) of voltage comparator (14), feeds back to the first MCU module (1) by transistor switching circuit (16) by the Load-aware logical signal that voltage comparator (14) exports.
2. a kind of medicine skin test device according to claim 1, is characterized in that, described skin test device also comprises the first radio receiving transmitting module (8) be connected with the first MCU module (1).
3. a kind of medicine skin test device according to claim 2, it is characterized in that, described skin test device also comprises the remote console (B) being located at medical service activity center, the second MCU module (17) is provided with in remote console (B), second MCU module (17) is connected with the second radio receiving transmitting module (18) and display screen (22), and described first radio receiving transmitting module (8) and the second radio receiving transmitting module (18) form wireless communication networks; Described second MCU module (17) be also connected with for its input " patient recalls " signal recall button (19).
4. a kind of medicine skin test device according to claim 3, is characterized in that, the second MCU module (17) periphery is also provided with coupled USB interface (20) and network communication interface (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099726.5U CN204562224U (en) | 2015-02-12 | 2015-02-12 | A kind of medicine skin test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099726.5U CN204562224U (en) | 2015-02-12 | 2015-02-12 | A kind of medicine skin test device |
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| Publication Number | Publication Date |
|---|---|
| CN204562224U true CN204562224U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520099726.5U Expired - Fee Related CN204562224U (en) | 2015-02-12 | 2015-02-12 | A kind of medicine skin test device |
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| CN (1) | CN204562224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199458A (en) * | 2018-10-10 | 2019-01-15 | 江苏凯与瑞电子科技有限公司 | A kind of noninvasive painless quick Skin allergy test device |
-
2015
- 2015-02-12 CN CN201520099726.5U patent/CN204562224U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199458A (en) * | 2018-10-10 | 2019-01-15 | 江苏凯与瑞电子科技有限公司 | A kind of noninvasive painless quick Skin allergy test device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |