CN1018427B - High-frequency oxygen-supply diaphragm pacemaker - Google Patents
High-frequency oxygen-supply diaphragm pacemakerInfo
- Publication number
- CN1018427B CN1018427B CN 90109631 CN90109631A CN1018427B CN 1018427 B CN1018427 B CN 1018427B CN 90109631 CN90109631 CN 90109631 CN 90109631 A CN90109631 A CN 90109631A CN 1018427 B CN1018427 B CN 1018427B
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- China
- Prior art keywords
- feet
- circuit
- ventilation
- high frequency
- microprocessor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The present invention relates to a high-frequency oxygen-supply diaphragm pacemaker which is composed of a front-panel control circuit, a microprocessor, a high-frequency ventilation controlling circuit, a pacemaking output circuit, a display circuit, a timing circuit, a power circuit, etc. The high-frequency oxygen-supply diaphragm pacemaker is characterized in that the microprocessor is used to increase a high frequency jet ventilation device on the basis of an original diaphragm pacemaking and respiration apparatus; high frequency jet ventilation (oxygen supply) and diaphragm pacemaking can be synchronous or asynchronous to obtain a purpose of one machine with many functions. As a diaphragm pacemaking technique is transplanted to high frequency jet ventilation, the advantages of the diaphragm pacemaking technique and the high frequency jet ventilation are integrated into a whole. Thus, the problem that carbon dioxide is not insufficiently exhausted in the existing high-frequency ventilation technique is solved; simultaneously, patients implemented diaphragm pacemaking can be ensured in an excellent oxygen supply state.
Description
The present invention relates to a kind of diaphragm pacemaker, particularly a kind of high-frequency oxygen-supply diaphragm pacemaker.
A kind of diaphragm pacing respirometer is disclosed in the Chinese patent (patent No. 89200051.1), it is characterized in that pressing manual or automatic switch, produce the train of pulse of therapeutical effect by integrated circuit, train of pulse through shaping, amplification acts on phrenic nerves motor point, the patient left and right sides (1/3 place under the chest lock mamillary process muscle outer edge) respectively by therapeutic electrode, stimulates phrenic nerves and causes diaphragm pacing.Its shortcoming is: (1) does not have full Control System of Microcomputer, can not select different treatment parameters by patient's concrete condition; (2) function singleness lacks apparatus of oxygen supply, owes desirable so breathe management when first aid, surgery anesthesia, the patient of severe depletion of oxygen is corrected the anoxia effect be unsatisfied with.
The objective of the invention is to avoid above-mentioned the deficiencies in the prior art part and a kind of high frequency jet ventilation function that has is provided, and adopt complete micro-processor controlled high-frequency oxygen-supply diaphragm pacemaker.
Purpose of the present invention can reach by following measure: the present invention includes two pace-making output circuits, timing circuit, power circuit, panel, casing 10, it is characterized in that: also have panel control circuit, microprocessor, high frequency ventilation control circuit, display circuit, panel control circuit and microprocessor join, the high frequency ventilation control circuit is sent in the output one tunnel of microprocessor, display circuit is sent in another road output, also has one tunnel output to deliver to two pace-making output circuits respectively.38 feet of IC1 connect 9 feet of 1/4IC2 in the high frequency ventilation control circuit in the microprocessor, and 8 feet of 1/4IC2 connect the base stage of BG1 by resistance R 1, and the emitter-base bandgap grading of BG1 connects the base stage of BG2, and the colelctor electrode of BG2 connects the coil of high-frequency electromagnetic valve J.37 feet of IC1 connect 13 feet of 1/4IC2 in 11 feet of 1/4IC2 in the pace-making output circuit and the pace-making output circuit respectively.24 feet of IC1 connect 5 feet of 1/4IC2 in the timing circuit, and 6 feet of 1/4IC2 connect the base stage of BG9, and the emitter-base bandgap grading of BG9 connects 5,2 feet of music integrated circuit IC3 by R18.27～34 feet of IC1 respectively with panel control circuit in ventilation ratio button, time-delay and Auto-regulating System of Density of Heavy Medium increase, reduce button, pace-making number of times and ventilatory frequency and increase, reduce button, time-delay and density selection key and be connected, 1 foot of IC1 is connected with pace-making and ventilation button, 6 feet are connected with synchronous and asynchronous selection key, foot is connected with timing button, and 4 feet are connected with the standard state button.The model of IC 1 is 8749 in the microprocessor.
The required control key of Selection Floater during use, press the high frequency ventilation switch, the high frequency ventilation pulse signal shaping of microcomputer output is amplified, promote high-frequency electromagnetic valve, make the gas of AVSV Air Vent Solenoid Valve produce high frequency jet (oxygen supply), through spraying syringe needle and patient's air flue in succession, be with the order that reaches high frequency jet oxygen supply treatment.Press the diaphragm pacing switch, produce the train of pulse of therapeutical effect by integrated circuit, through the train of pulse of shaping, amplification, acting on patient's left and right sides phrenic nerves motor point (1/3 place under the chest lock mamillary process muscle outer edge) respectively by therapeutic electrode stimulates phrenic nerves to cause diaphragm pacing.Two kinds of different functions of this device, by micro processor controls, can be synchronously or asynchronous operation.
Fig. 1 is a functional-block diagram of the present invention;
Fig. 2 is a profile front view of the present invention;
Fig. 3 is a profile rearview of the present invention;
Fig. 4 is an electrical schematic diagram of the present invention.
The present invention is described in further detail below in conjunction with accompanying drawing (embodiment):
With reference to Fig. 1, the present invention is made up of panel control circuit 1, microprocessor 2, high frequency ventilation control circuit 3, pace-making output circuit 4,5, display circuit 6, timing circuit 7, power circuit 8, panel 9, housing 10, rear board 43 etc.
With reference to Fig. 2, on the panel 9,11 is hundred display of ventilatory frequency, 12,13 is ventilatory frequency and diaphragm pacing time tens place, individual position display, 14 are time-delay and density display, 15 is timing indicator, 16,17 is the output indicator and the output intensity regulator potentiometer of diaphragm pacing output circuit 4,18,19 is the output indicator and the output intensity regulator potentiometer of diaphragm pacing output circuit 5,20 is on and off switch, and 21 is the accessory power outlet of pace-making output circuit 4, and 22 is the accessory power outlet of pace-making output circuit 5,23～25 is ventilation ratio button (1: 1.5,1: 2,1: 3), 26 is the standard state button, and 27 for ventilation stops button, and 28 is regularly button, 29,30 are time-delay and Auto-regulating System of Density of Heavy Medium increase, reduce button, 31,32 is that pace-making number of times and ventilatory frequency are regulated increase, reduce button, 33 are time-delay and density selection key, and 34 is pace-making and ventilation selection key, 35 is synchronously and asynchronous selection key, and 36 export strong and weak selection key for pace-making.
With reference to Fig. 3, in the rear board 43,38 is attaching plug, and 39 is electric fuse, 40,41 for the air inlet pipe of high frequency jet ventilation and escape pipe connector assembly, 42 be loudspeaker.The air inlet pipe of high frequency jet ventilation and escape pipe are connected on air inlet pipe plug seat 40 and the escape pipe connector assembly 41 during use, and control its break-make by the electromagnetic valve J in the high frequency ventilation control circuit 3.
With reference to Fig. 4, core of the present invention is 8 figure place microprocessor microcontroller 8749 and the peripheral circuits of being produced by American I NTEL company thereof.Instrument work is to move under the program directs that weaves in advance, reaches the various functional requirements of design, and is existing respectively that each several part principle division is as follows:
In the microprocessor 2 and in the panel control circuit 1, the program that weaves is in advance write among the EPROM in the sheet; The quartz crystal H of 2,3 foot 6MHZ provides the stabilizing clock of microcomputer work; 24 feet are regularly output; 37 feet are diaphragm pacing pulse output; 38 feet are ventilation pulse output; 4 feet are the standard state output key; 39 feet are the timing working button; 12～15,16～19,21～23,35,36 feet are the running parameter adjustment and show output.
After the energized of the present invention, promptly in the work of standard operation state, as if being adjusted to other duties, as long as press the standard state button (being that microprocessor 8749 the 4th foot ground connection is removed once) in the panel control circuit 1, just can get back to standard state work, this moment, circuit operation was as follows:
(1) microprocessor the 37th foot output set of pulses signal:
Pulse width: 0.3ms
Pulse frequency: 40HZ
Pulse envelope width: 1S
Pulse envelope frequency: 12 times/min
(2) microprocessor the 38th foot output set of pulses signal:
Pulse width: 300ms
Pulse frequency: 100 times/min
(3) the microprocessor respective foot that connects demonstration is exported corresponding varying level, makes display demonstrate the output pulse parameter.
For adapting to various operating position needs, the output pulse parameter can be regulated, be to use the microprocessor EBI to add different level, calls different working procedures this moment and reaches above requirement.
1. change the high frequency ventilation inspiratory/expiratory: be 1: 1 when the standard operation state, can select by ventilation ratio button 23～25 in the panel control circuit 1: 1: 1.5,1: 2,1: 3, this was to add different level at microcomputer 27,28,29 feet to realize.
2. change the high frequency ventilation frequency: when the standard operation state, be 100 times/minute, regulating increase, minimizing button 31,32, pace-making and ventilation selection key 34 by pace-making number of times and ventilatory frequency in the panel control circuit 1 can select 8～360 times/minute, this is by microcomputer 1,32,33 feet add what different level was realized.
3. diaphragm pacing and high frequency ventilation are synchronously and asynchronous working: by in the panel control circuit 1 synchronously and asynchronous selection key 35 realize.Being to add that at microcomputer 6 feet varying level reaches on circuit, promptly is synchronously during 6 foot high level, is asynchronous during low level.During synchronous working, high frequency jet ventilation when diaphragm pacing is air-breathing, high frequency ventilation stopped when opposite diaphragm pacing was exhaled.Diaphragm pacing and high frequency ventilation work alone during asynchronous working.
4. density is regulated with time-delay: Auto-regulating System of Density of Heavy Medium is to change the diaphragm pacing pulse frequency, is 40HZ in normal operating conditions; It is the time of high frequency jet ventilation continuity when diaphragm pacing is air-breathing that time-delay is regulated, in the normal duty of political affairs is 2 seconds, increasing, reduce button 29,30, time-delay and density selection key 33 by time-delay and Auto-regulating System of Density of Heavy Medium in the panel control circuit 1 can make the pacemaker impulse frequency change between 30～50HZ, the high frequency jet ventilation duration can change between 1～4 second, this is by microcomputer 34,30,31 feet add what different level reached.
The effect of pace-making output circuit 4,5 is that the diaphragm pacing pulse signal that microcomputer is exported is carried out shaping, amplification, adjusting level for the output use.
1. the pulse signal of microcomputer 37 feet output is delivered to 1/4IC2(74S04) 11,13 feet divide two-way to promote the Darlington circuit amplification of forming by BG3, BG4 and BG6, BG7 through the shaping buffering, export through pulse transformator B1.
2. the output intensity regulating circuit formed of bleeder circuit of being made up of resistance R 14, R15 and R8, R21 and potentiometer 17 and 19 makes between output pulse amplitude 0～100V and regulates continuously.
3. the output indicating circuit marker pulse output state of forming by BG5 and BG8, light emitting diode 16,18.
The effect of high frequency ventilation control circuit 3 is that the high frequency ventilation pulse signal shaping of microcomputer output is amplified, promote high-frequency electromagnetic valve J, make gas produce high frequency jet by electromagnetic valve, and cooperate with air inlet pipe, escape pipe on being connected to high frequency jet ventilation air inlet pipe and escape pipe connector assembly 40,41, reach application target.
1. microcomputer output pin 38 passes through 1/4IC2(74S04) 9 feet inputs, promote the cathode follower circiut that BG1 etc. forms through the output of 8 feet, form on-off circuit by electromagnetic valve J and BG2 etc., make electromagnetic valve pulse frequency work on demand.
2. diode D1 can absorb the spike that electromagnetic valve coil produces.
Ventilation stops button 27 and can cut off high frequency ventilation control circuit power supply, to lower the operating noise of power consumption and electromagnetic valve.
Display circuit 6 is that running parameter of the present invention is shown to user by seven sections display tubes 11～14 of 4 LED.
1. by four 4511 decoding circuits of IC4～IC7() the microcomputer running parameter is promoted 11～14 work of seven sections display tubes of LED.
2. four seven sections light-emitting diode displays 11～14 are total to cloudy display circuit for ventilation.
Timing circuit 7 provides 30 minutes time-triggered report devices.
1. press when button 28 regularly, microcomputer 6 feet are high level, export a pulse signal to 1/4IC2(74S04 by 24 feet after 30 minutes) 5 feet, after the buffering shaping, promote subordinate's work.
BG9, BG10 conducting when 2. timing signal output arranged, music integrated circuit IC3 work makes LED timing indicator 15 glittering, and loudspeaker 42 send musical sound.
3. when microcomputer 39 foot high level turn-off time switch, 24 foot low levels, pulse disappears, and music circuit is closed, and display lamp 15 does not work and musical sound stops.
The present invention has following advantage compared to existing technology:
With the diaphragm pacing technology transplant among high-frequency jet ventilation, both advantages are combined together, make it have more multiple function, curative effect is more remarkable.
2. circuit advantages of simple adopts microcomputer control, operate simple and easyly, safe and reliable, has solved in the present high-frequency ventilation technology carbon dioxide and has discharged not enough disadvantage, can guarantee again that diaphragm pacing implements the patient the good oxygen condition that supplies is arranged simultaneously.
Claims (6)
1, a kind of high frequency ventilation is every the flesh pacemaker, comprise panel control circuit 1, microprocessor 2, pace-making output circuit 4,5, display circuit 6, panel 9, housing 10, it is characterized in that: also have high frequency ventilation control circuit 3, panel control circuit 1 joins with microprocessor 2, and high frequency ventilation control circuit 3 is delivered in the output of microprocessor 2.
2, pacemaker according to claim 1, it is characterized in that: 38 feet of IC1 connect 9 feet of 1/4IC2 in the high frequency ventilation control circuit 3 in the microprocessor 2,8 feet of 1/4IC2 connect the base stage of BG1 by resistance R 1, the emitter-base bandgap grading of BG1 connects the base stage of BG2, and the colelctor electrode of BG2 connects the coil of high-frequency electromagnetic valve J.
3, pacemaker according to claim 1 is characterized in that: 37 feet of IC1 connect 13 feet of 1/4IC2 in 11 feet of 1/4IC2 in the pace-making output circuit 4 and the pace-making output circuit 5 respectively.
4, pacemaker according to claim 1 is characterized in that: 24 feet of IC1 connect 5 feet of 1/4IC2 in the timing circuit 7, and 6 feet of 1/4IC2 connect the base stage of BG9, and the emitter-base bandgap grading of BG9 connects 5,2 feet of music integrated circuit IC3 by R18.
5, pacemaker according to claim 1, it is characterized in that: 27～34 feet of IC1 respectively with panel control circuit 1 in ventilation ratio button 23～25, time-delay and Auto-regulating System of Density of Heavy Medium increase, reduce button 29,30, pace-making number of times and ventilatory frequency increase, reduce button 31,32, time-delay and density selection key 33 and connect, 1 foot of IC1 is connected with pace-making and ventilation button 34,6 feet are connected with synchronous and asynchronous selection key 35,39 feet are connected with timing button 28, and 4 feet are connected with standard state button 26.
6, pacemaker according to claim 1 is characterized in that: the model of IC 1 is 8749 in the microprocessor 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90109631 CN1018427B (en) | 1990-11-29 | 1990-11-29 | High-frequency oxygen-supply diaphragm pacemaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90109631 CN1018427B (en) | 1990-11-29 | 1990-11-29 | High-frequency oxygen-supply diaphragm pacemaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1052432A CN1052432A (en) | 1991-06-26 |
| CN1018427B true CN1018427B (en) | 1992-09-30 |
Family
ID=4881522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90109631 Expired CN1018427B (en) | 1990-11-29 | 1990-11-29 | High-frequency oxygen-supply diaphragm pacemaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1018427B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829548B (en) * | 2003-04-28 | 2011-03-23 | 高级循环系统有限公司 | Ventilator and methods for treating head trauma and low blood circulation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100379471C (en) * | 2004-08-10 | 2008-04-09 | 广州医学院第一附属医院 | Air supply method by triggering breathing machine by esophagus electrode diaphragmatic muscle electromyogram |
-
1990
- 1990-11-29 CN CN 90109631 patent/CN1018427B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829548B (en) * | 2003-04-28 | 2011-03-23 | 高级循环系统有限公司 | Ventilator and methods for treating head trauma and low blood circulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1052432A (en) | 1991-06-26 |
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