CN201441680U - Transfusion state monitoring and launching subsystem and receiving host machine thereof - Google Patents
Transfusion state monitoring and launching subsystem and receiving host machine thereof Download PDFInfo
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- CN201441680U CN201441680U CN2009200145965U CN200920014596U CN201441680U CN 201441680 U CN201441680 U CN 201441680U CN 2009200145965 U CN2009200145965 U CN 2009200145965U CN 200920014596 U CN200920014596 U CN 200920014596U CN 201441680 U CN201441680 U CN 201441680U
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Abstract
The utility model relates to a transfusion monitoring and alarming device, which comprises a transfusion state monitoring and launching subsystem and a receiving host machine thereof, wherein the transfusion state monitoring and launching subsystem takes a signlechip as a central control unit, generates a wireless frequency channel carrier frequency through a coding switch circuit, generates bed code modulated signals by a driving plate switch, takes two capacitance polar plates sensing the transfusion quantity as a capacitance sensing probe in a sensing oscillator, and transmits bed codes and alarming signals to the transfusion state receiving host machine through a phase locking ring modulating circuit and a modulating signal radio frequency amplifying circuit. The transfusion state receiving host machine generates alarming sound and displays information, such as bed codes and the like, after receiving the modulation, which is convenient for duty nurses to replace medicine bottles or withdraw needles for corresponding patients, and sufficient time further can be left for checking doctors' advices and dispensation when adjusting the time setting of the device. The technical solution can obviously reduce the workload of nurses, greatly improves the calling efficiency, and has proper prompting function to improve the relationship between doctors and patients.
Description
Technical field
The utility model relates to fuction monitoring device for infusion, it can be reminded medical personnel in time to understand the patient infusion state and implement corresponding transfusion operation.
Background technology
The transfusion management is a nurse and nurse's on duty important process.The transfusion nursing amount of each medical section office of hospital or outpatient service usually reaches tens even tens patients, and the nurse also has only 1～3 people.Both made the non-bottle or pull out pin of at every turn all needing to change dressings, nurses also need constantly to come and go each ward and check the transfusion situation, especially when the transfusion patient number is a lot of, nurse job amount urgency are increased, and wherein most of the time and energy are to be wasted in the middle of the inspection.Though the calling set that setting is connected with nurse station or nurse's night shift room in emergency room and the critical nurse ward, but the nurse is not also usually in nurse station or night shift room when changing dressings the peak, this call technology and nurse break away from, and are difficult to effectively be responded, and this is totally unfavorable to patient.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of transfusion state monitoring emission extension set and its to receive main frame, the amount of infusion limiting alarm signal in each patient is responded in emission, reception, reacted by the reception main frame alarm signal that the nurse wears according to self, the nurse just can be calm like this, autotelic enforcement makes up a prescription, changes medicine bottle or in time pull out pin operation, so just can effectively guarantee patient's call response efficient, can also reduce the nurse job amount greatly.Realize the transfusion state monitoring emission extension set of the present utility model purpose, its technical scheme is to the effect that: this transfusion state monitoring emission extension set is central control unit with the single-chip microcomputer, include with central control unit and be connected with the coding switch circuit that is used to produce the wireless channel carrier frequency, produce the dial switch of berth sign indicating number modulated signals, the phase-locked loop modulation circuit that has voltage controlled oscillator is connected with the single-chip microcomputer command port, the phase-locked loop modulation circuit output end connects the modulation signal radio frequency amplifying circuit, generation is connected with single-chip microcomputer counting unit with the sensing agitator of the corresponding sampled signal of monitoring transfusion state, and two capacitor plates of induction amount of infusion are as the capacitive sensing probe in the sensing agitator.
In above-mentioned overall technical architecture, the sensing agitator is to be made of three NAND gate, feedback capacity and discharge resistance thereof, capacitive sensing probe connects setting as an electric capacity in parallel of feedback capacity, and an input of the dual input NAND gate in the discharge loop is connected with one time of single-chip microcomputer threshold signal outfan.
The transfusion state that receives with the corresponding enforcement of transfusion state monitoring emission extension set signal receives main frame, its technical scheme is to the effect that: it is central control unit with the single-chip microcomputer that transfusion state receives main frame, include modulation signal receiving circuit and demodulator thereof, be connected with the phase-locked loop circuit that has voltage controlled oscillator with the modulation signal receiving circuit, demodulator is connected with an interface of single-chip microcomputer central control unit, is connected with coding switch circuit, driving display circuit and the keyboard circuit that wireless channel is provided with central control unit.
Transfusion state monitoring emission extension set of the present utility model and its receive main frame, produce and the corresponding irrelevant communication channel of disturbing of each section office of hospital by the wireless channel coding switch circuit, in each channel, be that maximum 99 monitoring emission extension set codings are arranged in each section office, can be used for maximum 99 patients' monitoring, when a certain patient's amount of infusion is reduced to the limit, induced signal emission wireless signal according to capacitive sensing probe, receive generation end prompt tone by receiving main frame, wearing the nurse on duty who receives main frame changes medicine bottle or pulls out pin for this patient by the sick bit code of the patient who receives the main frame demonstration, the time of adjusting this device is provided with, and can also have grace time to check doctor's advice, make up a prescription.The technical program can obviously improve call efficient, reduces nurse's labor intensity simultaneously, to improving doctor-patient relationship suitable facilitation is arranged.
Description of drawings
Fig. 1 is the circuit composition diagram of transfusion state monitoring emission extension set of the present utility model
Fig. 2 is the circuit theory diagrams of voltage controlled oscillator
Fig. 3 is the circuit composition diagram that transfusion state of the present utility model receives main frame
Fig. 4 is display screen structure figure.
The specific embodiment
Transfusion state monitoring emission extension set of the present utility model, it constitutes as shown in the figure, wherein is central control unit with the single-chip microcomputer, in the present embodiment, this single-chip microcomputer is a programmable single chip computer, is connected with ISP DLL circuit with it, so that program debugging or modification; Be connected with the coding switch circuit that is used to produce the wireless channel CF signal with central control unit, in the present embodiment, this monitoring emission extension set with and the wireless channel that receives main frame select the 300MHz frequency range for use, coding switch circuit is eight bit frequency coding switch circuits, it can set nearly 256 carrier frequency channels, each carrier frequency channel is corresponding with each medical section office in the hospital, hospital size is big, section office more for a long time, disturb each other avoiding.Also be connected with two B CD digital dial switches that produce berth sign indicating number modulated signals with single-chip microcomputer, can produce nearly 99 sick bit code signals; The phase-locked loop modulation circuit that has voltage controlled oscillator VCO is connected with the single-chip microcomputer command port, and the output of phase-locked loop modulation circuit connects the modulation signal radio frequency amplifying circuit; Produce and be connected with single-chip microcomputer counting unit with the sensing agitator of the corresponding sampled signal of monitoring transfusion state, two capacitor plates of induction amount of infusion are made the elasticity folder, be clipped on the infusion bottle mouth of pipe or the infusion bottle root tube for transfusion, by the medicinal liquid in the infusion bottle is electrolyte, constitutes the capacitive sensing probe in the voltage controlled oscillator.When in the infusion bottle medicinal liquid being arranged, its capacitance sensing capacity is bigger, and then the frequency of oscillation of sensing agitator is lower, and when medicinal liquid flow to end, its capacitance sensing capacity diminished, and then the frequency of oscillation of sensing agitator is higher.In the present embodiment, its sensing agitator be by three NAND gate F1, F2, F3, feedback capacity C1 with and discharge resistance R1 constitute, capacitive sensing probe connects as the electric capacity in parallel of feedback capacity C1 and is provided with.For reducing power consumption, single-chip microcomputer is to one time of sensing agitator threshold signal, implement the method for periodic measurement, promptly this time threshold signal is 5ms for the high level Measuring Time, the low level blocking-up time is 500ms, this time threshold signal output is connected to the input of the dual input NAND gate F2 in the sensing agitator discharge loop, the sensing oscillating impulse is counted in high level time by single-chip microcomputer, is calculated by program.After the start of this transfusion state monitoring emission extension set, in 10 seconds, measure 20 enumeration datas by single-chip microcomputer, calculate average counter value and mean square deviation estimated value, two value additions obtain counting boundary value, store.After entering monitoring state, single-chip microcomputer is whenever obtained No. 10 meter numerical value of continuation, filtering two maximums and two minima, remaining 6 intermediate value values of averaging are calculated, its result compares with the counting boundary value, if, illustrate that then medicinal liquid is most, finish alarm signal then for reception main frame emission transfusion greater than the counting boundary value.
Because medicinal liquid difference, the capacity of its sensing capacitance also can be different,, detect the counting boundary value of setting this so each use is preceding or the Shi Douxu that changes dressings starts shooting again.
The transfusion state that receives with the corresponding enforcement of transfusion state monitoring emission extension set signal receives main frame, this reception main frame is central control unit with the single-chip microcomputer, and in the present embodiment, this single-chip microcomputer is a programmable single chip computer, be connected with ISP DLL circuit with it, so that program debugging or modification; Modulation signal receiving circuit and demodulator thereof, this transfusion state monitoring emission extension set and reception main frame thereof adopt the MSK digital transmission signal, its transmission speed is 1200Bit/s, can improve communication quality, and the digital signal after its demodulation exports single-chip microcomputer one data-in port to; Be connected with the phase-locked loop circuit that has voltage controlled oscillator VOC with the modulation signal receiving circuit, be connected with coding switch circuit, driving display circuit LCD and the keyboard circuit that wireless channel is provided with central control unit.Single-chip microcomputer judges that whether the information of receiving comes from the monitoring emission extension set of same medical section office, if make response, is shown information conveyance to driving display circuit.Shown in the display screen as shown in Figure 4, the nurse implements the transfusion management processing according to the corresponding information that shows.
Claims (3)
1. extension set is launched in a transfusion state monitoring, it is characterized in that this monitoring emission extension set is central control unit with the single-chip microcomputer, include with central control unit and be connected with the coding switch circuit that is used to produce the wireless channel carrier frequency, produce the dial switch of berth sign indicating number modulated signals, the phase-locked loop modulation circuit that has voltage controlled oscillator is connected with the single-chip microcomputer command port, the phase-locked loop modulation circuit output end connects the modulation signal radio frequency amplifying circuit, generation is connected with single-chip microcomputer counting unit with the sensing agitator of the corresponding sampled signal of monitoring transfusion state, and two capacitor plates of induction amount of infusion are as the capacitive sensing probe in the sensing agitator.
2. transfusion state monitoring emitter according to claim 1, it is characterized in that the sensing agitator is to be made of three NAND gate, feedback capacity and discharge resistance thereof, capacitive sensing probe connects setting as an electric capacity in parallel of feedback capacity, and an input of the dual input NAND gate in the discharge loop is connected with one time of single-chip microcomputer threshold signal outfan.
3. receive the transfusion state reception main frame that claim 1 transmits, it is characterized in that this reception main frame is central control unit with the single-chip microcomputer, include modulation signal receiving circuit and demodulator thereof, be connected with the phase-locked loop circuit that has voltage controlled oscillator with the modulation signal receiving circuit, demodulator is connected with an interface of single-chip microcomputer central control unit, is connected with coding switch circuit, driving display circuit and the keyboard circuit that wireless channel is provided with central control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200145965U CN201441680U (en) | 2009-06-12 | 2009-06-12 | Transfusion state monitoring and launching subsystem and receiving host machine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200145965U CN201441680U (en) | 2009-06-12 | 2009-06-12 | Transfusion state monitoring and launching subsystem and receiving host machine thereof |
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| Publication Number | Publication Date |
|---|---|
| CN201441680U true CN201441680U (en) | 2010-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200145965U Expired - Fee Related CN201441680U (en) | 2009-06-12 | 2009-06-12 | Transfusion state monitoring and launching subsystem and receiving host machine thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991890A (en) * | 2010-11-24 | 2011-03-30 | 杭州师范大学 | Radio transfusion detection alarm device |
| CN102122364A (en) * | 2011-02-22 | 2011-07-13 | 电子科技大学 | RFID wireless communication-based transfusion monitoring system |
| CN104941036A (en) * | 2015-06-17 | 2015-09-30 | 北京哈特凯尔医疗科技有限公司 | Capacitance infusion monitoring method and device |
-
2009
- 2009-06-12 CN CN2009200145965U patent/CN201441680U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991890A (en) * | 2010-11-24 | 2011-03-30 | 杭州师范大学 | Radio transfusion detection alarm device |
| CN102122364A (en) * | 2011-02-22 | 2011-07-13 | 电子科技大学 | RFID wireless communication-based transfusion monitoring system |
| CN104941036A (en) * | 2015-06-17 | 2015-09-30 | 北京哈特凯尔医疗科技有限公司 | Capacitance infusion monitoring method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20110612 |