CN200987830Y - Digital temporary heart pacemaker - Google Patents
Digital temporary heart pacemaker Download PDFInfo
- Publication number
- CN200987830Y CN200987830Y CN 200620067073 CN200620067073U CN200987830Y CN 200987830 Y CN200987830 Y CN 200987830Y CN 200620067073 CN200620067073 CN 200620067073 CN 200620067073 U CN200620067073 U CN 200620067073U CN 200987830 Y CN200987830 Y CN 200987830Y
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- Prior art keywords
- circuit
- analog
- digital
- control circuit
- impedance detection
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000004458 analytical method Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 9
- 230000000747 cardiac effect Effects 0.000 claims abstract description 9
- 230000009977 dual effect Effects 0.000 claims abstract description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 6
- 208000033988 Device pacing issue Diseases 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 210000005242 cardiac chamber Anatomy 0.000 abstract 1
- 230000000661 pacemaking effect Effects 0.000 description 9
- 230000003321 amplification Effects 0.000 description 5
- 238000004070 electrodeposition Methods 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
本实用新型属于医疗器械，特别涉及一种数码临时心脏起搏器。本实用新型所提供的一种数码临时心脏起搏器是由电池、液晶显示电路、计算机控制电路、键盘电路、脉冲控制电路、模拟/数字转换电路、心电放大电路、阻抗检测分析电路、正电极、负电极组成，其中所说的阻抗检测分析电路是由双运算放大器、双向模拟开关、电位器VR、电阻R1、R2、R3、R4、R5、R6构成；所说的双运算放大器是由两级电压放大器构成。本实用新型采用了心电放大电路7、阻抗检测分析电路8、模拟/数字转换电路5和计算机控制电路3，能够检测心腔内心电图、R波幅度斜率、电极阻抗和测量起搏阈值，以便准确判断起搏电极所在位置是否为理想起搏位置。具有结构紧凑、体积小巧、使用方便、效果显著等优点。
The utility model belongs to medical equipment, in particular to a digital temporary cardiac pacemaker. A digital temporary cardiac pacemaker provided by the utility model is composed of a battery, a liquid crystal display circuit, a computer control circuit, a keyboard circuit, a pulse control circuit, an analog/digital conversion circuit, an electrocardiogram amplifier circuit, an impedance detection and analysis circuit, a positive Electrode, negative electrode, wherein said impedance detection analysis circuit is composed of dual operational amplifiers, bidirectional analog switches, potentiometer VR, resistors R1, R2, R3, R4, R5, R6; said dual operational amplifiers are composed of Two-stage voltage amplifier constitutes. The utility model adopts an electrocardiographic amplifying circuit 7, an impedance detection and analysis circuit 8, an analog/digital conversion circuit 5 and a computer control circuit 3, which can detect the electrocardiogram in the heart chamber, the slope of the R wave amplitude, the electrode impedance and measure the pacing threshold, so that Accurately judge whether the position of the pacing electrode is an ideal pacing position. It has the advantages of compact structure, small size, convenient use and remarkable effect.
Description
Technical field
This utility model belongs to medical apparatus and instruments, particularly a kind of digital temporary heart pacemaker.
Background technology
At present the patient is carried out the temporary heart pace-making, especially when bedside does not have to carry out emergency cardiac pacing under the X-ray equipment condition, judge that the pacing electrode position is extremely important.For this reason, under regular situation, need to use the ordinary electrocardiogram machine to detect intracardiac electrocardiogram and pace-making electrocardiogram in addition, could accurately judge the pacing electrode position, can cause use extremely inconvenient like this.In addition, when permanent cardiac pacemaker was implanted, observing whether the P/R ripple situation of intracardiac electrocardiogram and P-R or ST section raise was to judge whether one of ideal foundation of pacing electrode position.
Summary of the invention
It is a kind of when temporary heart pace-making or permanent cardiac pacemaker implantation that the purpose of this utility model is to provide, whether can detect intracardiac electrocardiogram, R wave amplitude slope, electrode impedance and measurement pacing threshold, be the digital temporary heart pacemaker of desirable pace-making position so that accurately judge the pacing electrode position.
This utility model compared with prior art has advantages such as compact conformation, volume is small and exquisite, easy to use, effect is remarkable.
A kind of digital temporary heart pacemaker provided by the utility model is made up of battery, liquid crystal display circuit, computer control circuit, keyboard circuit, simulation/digital change-over circuit, pulse control circuit, electrocardio amplifying circuit, impedance detection analysis circuit, anelectrode, negative electrode, and wherein said impedance detection analysis circuit is to be made of dual operational amplifier, bidirectional analog switch, potentiometer VR, resistance R 1, R2, R3, R4, R5, R6; Said dual operational amplifier is to be made of the two-stage voltage amplifier.After the pace-making anelectrode is adopted the big circuit amplification of the careful tele-release of the intimate intracavity signal of telecommunication (about 1-10mv), enter A/D conversion circuit the analog electrocardiogram conversion of signals is become digital electrocardiosignal, the input computer control circuit is analyzed, and shows the duty and the display analysis conduction of pacemaker on liquid crystal display circuit.If the rhythm of the heart is lower than the numerical value or the R wave amplitude of setting and is lower than when setting value, the setup parameter that computer control circuit is imported according to keyboard circuit (frequency, pulsewidth, pulse amplitude) is provided pacemaker impulse, this pacemaker impulse is after the pulse control circuit is handled, through anelectrode output cardiac stimulus, make heart recover normally to beat.When the pacemaker impulse electric current passes through negative electrode, after the amplification of resistance check and analysis circuit, enter A/D conversion circuit analog signal conversion is become digital signal, the input computer control circuit is analyzed, measure the pacing electrode impedance, thereby whether the position of learning pacing electrode is desirable pace-making position.
Description of drawings
Fig. 1 is this utility model circuit structure block diagram
Fig. 2 is this utility model impedance detection analysis circuit structure chart
The specific embodiment
Below in conjunction with accompanying drawing this utility model is elaborated.
As shown in Figure 1, a kind of digital temporary heart pacemaker provided by the utility model is made up of battery 1, liquid crystal display circuit 2, computer control circuit 3, keyboard circuit 4, A/D conversion circuit 5, pulse control circuit 6, electrocardio amplifying circuit 7, impedance detection analysis circuit 8, anelectrode 9, negative electrode 10, is connected to impedance detection analysis circuit 8 between wherein said negative electrode 10 and the A/D conversion circuit 5.After pace-making anelectrode 9 is adopted big circuit 7 amplifications of the careful tele-release of the intimate intracavity signal of telecommunication (about 1-10mv), enter A/D conversion circuit 5 the analog electrocardiogram conversion of signals is become digital electrocardiosignal, input computer control circuit 3 is analyzed, and shows the duty and the display analysis conduction of pacemaker on liquid crystal display circuit 2.If the rhythm of the heart is lower than the numerical value or the R wave amplitude of setting and is lower than when setting value, the setup parameter that computer control circuit 3 is imported according to keyboard circuit 4 (frequency, pulsewidth, pulse amplitude) is provided pacemaker impulse, this pacemaker impulse is after pulse control circuit 6 is handled, through anelectrode 9 output cardiac stimulus, make heart recover normally to beat.When the pacemaker impulse electric current passes through negative electrode 10, after 8 amplifications of impedance detection analysis circuit, enter A/D conversion circuit 5 analog signal conversion is become digital signal, input computer control circuit 3 is analyzed, measure the pacing electrode impedance, thereby whether the position of learning pacing electrode is desirable pace-making position.
As shown in Figure 2, said impedance detection analysis circuit 8 is by dual operational amplifier 20, bidirectional analog switch 30, potentiometer VR, resistance R 1, R2, R3, R4, R5, R6 constitutes, wherein said dual operational amplifier 20 is to be made of two- stage voltage amplifier 20A and 20B, its 21 end is connected with 25 ends through resistance R 3,22 ends are connected with 21 ends and through resistance R 2 ground connection through potentiometer VR, 23 ends are connected with negative electrode 10 and through resistance R 1 ground connection, 24,28 ends are connected with battery 1,26,27 ends and resistance R 4,31 ends of R5 and bidirectional analog switch 30,32 ends are connected in parallel, this parallel circuit one end is through resistance R 6 ground connection, and the other end is connected with A/D conversion circuit 5; 33 ends of said bidirectional analog switch 30 are connected with A/D conversion circuit 5.When the pacemaker impulse electric current passes through negative electrode 10 after sampling resistor R1 sampling, after dual operational amplifier 20 amplifications by two- stage voltage amplifier 20A and 20B formation, after carrying out gain-adjusted, bidirectional analog switch 30 outputs to A/D conversion circuit 5.
This utility model is owing to adopted electrocardio amplifying circuit 7, impedance detection analysis circuit 8, A/D conversion circuit 5 and computer control circuit 3, whether can detect intracardiac electrocardiogram, R wave amplitude slope, electrode impedance and measurement pacing threshold, be desirable pace-making position so that accurately judge the pacing electrode position.Have advantages such as compact conformation, volume is small and exquisite, easy to use, effect is remarkable.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620067073 CN200987830Y (en) | 2006-11-03 | 2006-11-03 | Digital temporary heart pacemaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620067073 CN200987830Y (en) | 2006-11-03 | 2006-11-03 | Digital temporary heart pacemaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200987830Y true CN200987830Y (en) | 2007-12-12 |
Family
ID=38938876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620067073 Expired - Lifetime CN200987830Y (en) | 2006-11-03 | 2006-11-03 | Digital temporary heart pacemaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200987830Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001264A (en) * | 2014-06-11 | 2014-08-27 | 北京儒奥医疗科技有限公司 | Electrical stimulation treatment device capable of conducting electrode contact state monitoring |
| CN104271195A (en) * | 2012-03-05 | 2015-01-07 | 西蒙·弗雷瑟大学 | Device and method for transvascular nerve stimulation |
| CN104857633A (en) * | 2014-02-25 | 2015-08-26 | 深圳华腾生物医疗电子有限公司 | Alternative technology of invasive temporary cardiac on-demand pacing sensing source |
| CN107537093A (en) * | 2017-10-16 | 2018-01-05 | 乐普医学电子仪器股份有限公司 | A kind of external temporary heart pacemaker with measurement function |
| CN110327549A (en) * | 2019-07-24 | 2019-10-15 | 南通市第一人民医院 | A kind of temporary cardiac pacemaker |
-
2006
- 2006-11-03 CN CN 200620067073 patent/CN200987830Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104271195A (en) * | 2012-03-05 | 2015-01-07 | 西蒙·弗雷瑟大学 | Device and method for transvascular nerve stimulation |
| CN104271195B (en) * | 2012-03-05 | 2017-04-19 | 西蒙·弗雷瑟大学 | Device and method for transvascular nerve stimulation |
| CN104857633A (en) * | 2014-02-25 | 2015-08-26 | 深圳华腾生物医疗电子有限公司 | Alternative technology of invasive temporary cardiac on-demand pacing sensing source |
| CN104857633B (en) * | 2014-02-25 | 2018-01-05 | 深圳华腾生物医疗电子有限公司 | What invasive temporary heart demand pacing perceived source can selecting technology |
| CN104001264A (en) * | 2014-06-11 | 2014-08-27 | 北京儒奥医疗科技有限公司 | Electrical stimulation treatment device capable of conducting electrode contact state monitoring |
| CN107537093A (en) * | 2017-10-16 | 2018-01-05 | 乐普医学电子仪器股份有限公司 | A kind of external temporary heart pacemaker with measurement function |
| CN110327549A (en) * | 2019-07-24 | 2019-10-15 | 南通市第一人民医院 | A kind of temporary cardiac pacemaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: GUANGZHOU CITY YINGKE MOBILE COMMUNICATION DEVELOPMENT CO., LTD. ¬ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Guangzhou century Mobile Communications Development Co., Ltd. Number: 50 Page: The title page Volume: 23 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Guangzhou century Mobile Communications Development Co., Ltd. Number: 50 Volume: 23 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ¬ TO: GUANGZHOU CITY YINGKE MOBILE COMMUNICATION DEVELOPMENT CO., LTD. ¬ |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071212 |
|
| EXPY | Termination of patent right or utility model |