CN100560159C - Portable endocardiac defibrillation device - Google Patents
Portable endocardiac defibrillation device Download PDFInfo
- Publication number
- CN100560159C CN100560159C CNB2006101224753A CN200610122475A CN100560159C CN 100560159 C CN100560159 C CN 100560159C CN B2006101224753 A CNB2006101224753 A CN B2006101224753A CN 200610122475 A CN200610122475 A CN 200610122475A CN 100560159 C CN100560159 C CN 100560159C
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- energy storage
- storage capacitor
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- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 238000004146 energy storage Methods 0.000 claims abstract description 17
- 238000007600 charging Methods 0.000 claims abstract description 14
- 230000005669 field effect Effects 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 230000035939 shock Effects 0.000 claims description 5
- 230000003680 myocardial damage Effects 0.000 abstract description 2
- 231100000152 severe skin burn Toxicity 0.000 abstract 1
- 230000000747 cardiac effect Effects 0.000 description 4
- 206010049418 Sudden Cardiac Death Diseases 0.000 description 3
- 231100000075 skin burn Toxicity 0.000 description 3
- 208000029078 coronary artery disease Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001105 femoral artery Anatomy 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 208000010125 myocardial infarction Diseases 0.000 description 2
- 210000004165 myocardium Anatomy 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 208000013875 Heart injury Diseases 0.000 description 1
- 208000036626 Mental retardation Diseases 0.000 description 1
- 208000029549 Muscle injury Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005259 peripheral blood Anatomy 0.000 description 1
- 239000011886 peripheral blood Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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Abstract
本发明属于一种心脏除颤装置，特别涉及一种便携式心内除颤装置。本发明所提供的一种便携式心内除颤装置是由电源、键盘、稳压电路、监护显示电路、混合信号系统电路、心电放大电路、高压发生器、控制电路、防反充电二极管、高压贮能电容、双触点开关、电极组成，其中，所说的高压发生器是由场效应晶体管和电感构成。具有价格适合、使用方便、结构紧凑、低能高效除颤，避免造成严重心肌损伤和严重皮肤灼伤的优点。
The invention belongs to a heart defibrillation device, in particular to a portable heart defibrillation device. A portable intracardiac defibrillation device provided by the present invention is composed of a power supply, a keyboard, a voltage stabilizing circuit, a monitoring display circuit, a mixed signal system circuit, an ECG amplifier circuit, a high voltage generator, a control circuit, an anti-reverse charging diode, a high voltage It is composed of energy storage capacitor, double contact switch and electrodes, wherein said high voltage generator is composed of field effect transistor and inductance. The invention has the advantages of reasonable price, convenient use, compact structure, low-energy and high-efficiency defibrillation, and avoids serious myocardial damage and severe skin burns.
Description
Technical field
The invention belongs to a kind of defibrillation device, particularly a kind of portable endocardiac defibrillation device.
Background technology
At present, coronary heart disease is to rank first place in causing death's in the world the disease, and coronary heart disease is especially among the dead patient behind the myocardial infarction, and 2/3rds die from sudden cardiac death.Defibrillation is the unique effective therapy of treatment sudden cardiac death, and therefore, the defibrillation device is the indispensable Medical Instruments that sudden cardiac death is treated in smelting.But, the external formula cardiac defibrillator of extensive use at present, because energy is too high, even low energy shocks up to 360 joules, usually can cause serious myocardial damage to the patient, cause to occur the change of ST-T ripple on the electrocardiogram, cause myocardium label rising in the peripheral blood, continue a few hours approximately to a couple of days; Individual patient even also the myocardial infarction electrocardiogram can occur, the persistent period is also longer.In addition, electric shock, low energy shocks also can cause the serious skin burn of patient continuously.The embedded cardiac defibrillator that a kind of less use is still arranged in addition, though with high content of technology, cost an arm and a leg, and be not suitable in the first aid in hospital interim use or as the transition treatment means.
Summary of the invention
The object of the present invention is to provide a kind of price to be fit to, just to use portable endocardiac defibrillation device convenient, low-yield, the high efficiency defibrillation.
A kind of portable endocardiac defibrillation device provided by the present invention is made up of power supply, keyboard, mu balanced circuit, monitoring display circuit, mixed-signal system circuit, electrocardio amplifying circuit, high tension generator, control circuit, counnter attack charging diode, high pressure energy storage capacitor, double contact switch, electrode, wherein an end of said high tension generator is connected with power supply, the other end is connected with the mixed-signal system circuit, and the Shang Youyi end is connected with high pressure energy storage capacitor, double contact switch through the reverse charge diode.Said high tension generator is to be made of field-effect transistor and inductance, wherein the grid of said field-effect transistor is connected with the mixed-signal system circuit, its drain electrode is connected with inductance one end, and is connected its source ground with high pressure energy storage capacitor, double contact switch through the counnter attack charging diode; The other end of said inductance is connected with power supply.
When electrode enters chambers of the heart inside by human body femoral artery blood vessel, but after the perception electrocardiosignal is amplified through the electrocardio amplifying circuit, enter the mixed-signal system circuit and carry out analyzing and processing.The monitoring display circuit shows intracardiac electrocardiogram, if finding electrocardiogram occurs losing when quivering, the high tension generator that is made of field-effect transistor and inductance charges to the high pressure energy storage capacitor, after being full of electricity, control circuit starts double contact switch automatically, makes the discharge of high pressure energy storage capacitor, and output pulse width is the high-voltage pulse current that 1-6ms, voltage reach 800-1000V, generation reaches as high as 36 joules of shock energy cardiac stimulus at the electrode place, makes heart recover normal condition; Whether the heart electrocardiogram is normal after guarding display circuit demonstration defibrillation simultaneously.Said counnter attack charging diode is to prevent that the high pressure energy storage capacitor is to the high tension generator reverse charging.Said keyboard is used to import various parameters.Said mu balanced circuit is that the alternating current from power supply is carried out providing each circuit to use after the voltage stabilizing.
The present invention compared with prior art has that price is suitable, easy to use, a compact conformation, the efficient defibrillation of mental retardation, avoids causing the advantage of severe cardiac muscle injury and serious skin burn.
Description of drawings
Fig. 1 is a circuit structure block diagram of the present invention;
Fig. 2 is a high-voltage generator circuit structure chart of the present invention;
Among the figure, 1, power supply 2, keyboard 3, mu balanced circuit, 4, monitoring display circuit 5, mixed-signal system circuit 6, electrocardio amplifying circuit 7, high tension generator 8, control circuit 9, counnter attack charging diode 10 high pressure energy storage capacitors 11, double contact switch 12, electrode 13, field-effect transistor 14, inductance
The specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of portable endocardiac defibrillation device provided by the present invention is made up of power supply 1, keyboard 2, mu balanced circuit 3, monitoring display circuit 4, mixed-signal system circuit 5, electrocardio amplifying circuit 6, high tension generator 7, control circuit 8, counnter attack charging diode 9, high pressure energy storage capacitor 10, double contact switch 11, electrode 12, one end of wherein said high tension generator 7 is connected with power supply 1, the other end is connected with mixed-signal system circuit 5, and the Shang Youyi end is connected with high pressure energy storage capacitor 10, double contact switch 11 through counnter attack charging diode 9.
As shown in Figure 2, said high tension generator 7 is to be made of field-effect transistor 13 and inductance 14, the grid of wherein said field-effect transistor 13 is connected with mixed-signal system circuit 5, its drain electrode is connected with inductance 14 1 ends, and be connected its source ground with double contact switch 11 with high pressure energy storage capacitor 10 through counnter attack charging diode 9.The other end of said inductance 14 is connected with power supply 1.
When electrode 12 enters chambers of the heart inside by human body femoral artery blood vessel, but after the perception electrocardiosignal is amplified through electrocardio amplifying circuit 6, enter mixed-signal system circuit 5 and carry out analyzing and processing.Monitoring display circuit 4 shows intracardiac electrocardiogram, if finding electrocardiogram occurs losing when quivering, the high tension generator 7 that is made of field-effect transistor 13 and inductance 14 charges to high pressure energy storage capacitor 10, after being full of electricity, control circuit 8 starts double contact switch 11 automatically, makes 10 discharges of high pressure energy storage capacitor, and output pulse width is the high-voltage pulse current that 1-6ms, voltage reach 800-1000v, generation reaches as high as 36 joules of shock energy cardiac stimulus at electrode 12 places, makes heart recover normal condition; Whether the heart electrocardiogram is normal after guarding display circuit 4 demonstration defibrillations simultaneously.Said counnter attack charging diode 9 is to prevent that high pressure energy storage capacitor 10 is to high tension generator 7 reverse chargings.Said keyboard 2 is used to import various parameters.Said mu balanced circuit 3 is that the alternating current from power supply 1 is carried out providing each circuit to use after the voltage stabilizing.
A kind of portable endocardiac defibrillation device provided by the present invention, have price suitable, easy to use, Structure compactness, the efficient defibrillation of low energy avoid causing the advantage of severe cardiac injury of muscle and serious skin burn. Be fit to very much in the first aid in hospital Interim use or as the transition treatment means.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101224753A CN100560159C (en) | 2006-09-28 | 2006-09-28 | Portable endocardiac defibrillation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101224753A CN100560159C (en) | 2006-09-28 | 2006-09-28 | Portable endocardiac defibrillation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1927422A CN1927422A (en) | 2007-03-14 |
| CN100560159C true CN100560159C (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101224753A Expired - Fee Related CN100560159C (en) | 2006-09-28 | 2006-09-28 | Portable endocardiac defibrillation device |
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| Country | Link |
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| CN (1) | CN100560159C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2827917C1 (en) * | 2023-12-13 | 2024-10-03 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский университет "Московский институт электронной техники" | Method of generating defibrillation pulse with stepped shape of front and edge and device for its implementation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3383489B1 (en) * | 2015-12-03 | 2022-07-27 | Medtronic, Inc. | Extra-cardiovascular pacing by an implantable cardioverter defibrillator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176804Y (en) * | 1993-09-28 | 1994-09-14 | 王德 | Esophagus cardiac-pacemaking vibration-eliminating electrode device |
| US6018681A (en) * | 1997-12-03 | 2000-01-25 | Incontrol, Inc. | Implantable atrial defibrillator having therapy inhibition responsive to atrial cycle length |
| US6259949B1 (en) * | 1999-04-30 | 2001-07-10 | Intermedics, Inc. | Method and apparatus for treatment of cardiac electromechanical dissociation |
| CN2561437Y (en) * | 2002-07-31 | 2003-07-23 | 庞兴学 | Defibrillator |
| CN2590534Y (en) * | 2002-12-10 | 2003-12-10 | 中国人民解放军总后勤部卫生部药品仪器检验所 | Detector for heart defibrillating device and defibrillating monitor |
| CN200984400Y (en) * | 2006-09-28 | 2007-12-05 | 中山大学附属第二医院 | Portable device for defibrillation |
-
2006
- 2006-09-28 CN CNB2006101224753A patent/CN100560159C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176804Y (en) * | 1993-09-28 | 1994-09-14 | 王德 | Esophagus cardiac-pacemaking vibration-eliminating electrode device |
| US6018681A (en) * | 1997-12-03 | 2000-01-25 | Incontrol, Inc. | Implantable atrial defibrillator having therapy inhibition responsive to atrial cycle length |
| US6259949B1 (en) * | 1999-04-30 | 2001-07-10 | Intermedics, Inc. | Method and apparatus for treatment of cardiac electromechanical dissociation |
| CN2561437Y (en) * | 2002-07-31 | 2003-07-23 | 庞兴学 | Defibrillator |
| CN2590534Y (en) * | 2002-12-10 | 2003-12-10 | 中国人民解放军总后勤部卫生部药品仪器检验所 | Detector for heart defibrillating device and defibrillating monitor |
| CN200984400Y (en) * | 2006-09-28 | 2007-12-05 | 中山大学附属第二医院 | Portable device for defibrillation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2827917C1 (en) * | 2023-12-13 | 2024-10-03 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский университет "Московский институт электронной техники" | Method of generating defibrillation pulse with stepped shape of front and edge and device for its implementation |
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| Publication number | Publication date |
|---|---|
| CN1927422A (en) | 2007-03-14 |
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Granted publication date: 20091118 Termination date: 20180928 |