CN203694408U - Bidirectional discharge defibrillation apparatus - Google Patents
Bidirectional discharge defibrillation apparatus Download PDFInfo
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- CN203694408U CN203694408U CN201420018944.7U CN201420018944U CN203694408U CN 203694408 U CN203694408 U CN 203694408U CN 201420018944 U CN201420018944 U CN 201420018944U CN 203694408 U CN203694408 U CN 203694408U
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Abstract
The utility model discloses a bidirectional discharge defibrillation apparatus. The bidirectional discharge defibrillation apparatus includes a central processing unit, a defibrillation unit, a man-machine interface unit and an electrode unit, wherein the central processing unit is connected with the defibrillation unit and the man-machine interface unit respectively, and the electrode unit comprises a first electrode and a second electrode; output ends of the defibrillation unit are respectively connected with the first electrode and the second electrode; the defibrillation unit comprises a charge and discharge module, a high-voltage capacitor and a current direction changeover switch; a control end of the charge and discharge module is connected with the central processing unit; output ends of the charge and discharge module passes through the high-voltage capacitor and the current direction changeover switch, and then are connected with the first electrode and the second electrode respectively; and a control end of the current direction changeover switch is connected with the central processing unit. With the bidirectional discharge defibrillation apparatus of the utility model adopted, electric-shock defibrillation success rate can be improved, and myocardial injuries can be decreased, and the lives of patients can be saved to the greatest degree. The bidirectional discharge defibrillation apparatus has the advantage of high reliability.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to a kind of two-way discharge defibrillation device.
Background technology
Patient, in the time of a variety of causes generation cardiac accident all standing, often adopts electric defibrillation means to save sudden cardiac arrest patient's life.Electric defibrillation discharges outward to patient's chest by extraneous instrument exactly, produce an immediate current, after breast, pass through whole heart (cardiac muscle), make the cardiac muscle in the disorderly unordered contraction of extreme originally, multipole simultaneously, and then start one to take turns new orderly cardiac electrophysiology activity (depolarization one multipole), can make like this heart restart to have contraction and the diastole of normal rhythm, guarantee the blood supply function to human body.Traditional defibrillator in the past, mostly adopts unidirectional current charging method, is often called: unidirectional ripple defibrillation, and to reach the therapeutic purposes of electric defibrillation.The defibrillation energy of unidirectional ripple defibrillation method is larger, ceiling capacity unit is 360 joules (J) or 360 watts/second. the maximum weak point of the method: (1) a time unidirectional current is relatively large, easily the cardiac muscle of ischemia is caused to potential myocardial damage, therefore patient's cardiac function is recovered to exist certain impact.(2) may cause part cardiac muscle to pass through without electric current when unidirected discharge, therefore can cause synchronously depolarization and multipole of part cardiac muscle, may produce repeatedly defibrillation, finally cause electric defibrillation effect to decline, can not reach the effect of curing patient.
Utility model content
The technical problems to be solved in the utility model is to provide a kind ofly can improve heart electric defibrillation success rate, reduce myocardial damage, at utmost save sufferer life, two-way discharge defibrillation device that installation reliability is high.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of two-way discharge defibrillation device, comprise central processing unit, defibrillation unit, man-machine interaction unit and electrode unit, described central processing unit respectively with defibrillation unit, man-machine interaction unit is connected, described electrode unit comprises the first electrode and the second electrode, the outfan of described defibrillation unit respectively with the first electrode, the second electrode is connected, described defibrillation unit comprises charge-discharge modules, high-voltage capacitance and sense of current permutator, the control end of described charge-discharge modules is connected with central processing unit, the outfan of described charge-discharge modules passes through high-voltage capacitance successively, after sense of current permutator respectively with the first electrode, the second electrode is connected, the control end of described sense of current permutator is connected with central processing unit.
Further, this utility model also comprises electrocardiogram acquisition module, described electrocardiogram acquisition module comprises connected successively signal conditioning circuit and analog to digital conversion circuit, the input of described signal conditioning circuit is connected with the first electrode, the second electrode respectively, and the outfan of analog-digital conversion circuit as described is connected with central processing unit.
Further, man-machine interaction unit of the present utility model comprises audio frequency output module, touch screen module, display module, and described audio frequency output module, touch screen module, display module are connected with central processing unit respectively.
This utility model two-way discharge defibrillation device has following advantage:
1, defibrillation of the present utility model unit comprises charge-discharge modules, high-voltage capacitance and sense of current permutator, the control end of charge-discharge modules is connected with central processing unit, the outfan of charge-discharge modules passes through high-voltage capacitance successively, after sense of current permutator respectively with the first electrode, the second electrode is connected, the control end of sense of current permutator is connected with central processing unit, by central processing unit control sense of current permutator, make the first electrode, the two-way switching of the sense of current of the second electrode output forms two-way discharge, make every time decreased to the electric current by myocardium, therefore reduced the probability of myocardial damage, and immediate current is flowed through myocardium electric current comparatively fully completely, can greatly improve like this success rate of defibrillation, can improve heart electric defibrillation success rate, reduce myocardial damage, at utmost save sufferer life, have advantages of that installation reliability is high.
2, this utility model further comprises electrocardiogram acquisition module, electrocardiogram acquisition module comprises connected successively signal conditioning circuit and analog to digital conversion circuit, the input of signal conditioning circuit respectively with the first electrode, the second electrode is connected, the outfan of analog to digital conversion circuit 52 is connected with central processing unit, the first electrode, the second electrode gathers ecg information that patient gathers patient and delivers to signal conditioning circuit and carry out amplification filtering, then be converted to digital signal input central processing unit by analog to digital conversion circuit, central processing unit shows output by the ecg information gathering by man-machine interaction unit, thereby make operator to determine the most rational charging and discharging electric current according to patient's ecg information easily, make each electric defibrillation effect reach best, and impatient damage is reduced to minimum, use convenient safety.
Accompanying drawing explanation
Fig. 1 is the frame structure schematic diagram of this utility model embodiment.
Marginal data: 1, central processing unit; 2, defibrillation unit; 21, charge-discharge modules; 22, high-voltage capacitance; 23, sense of current permutator; 3, man-machine interaction unit; 31, audio frequency output module; 32, touch screen module; 33, display module; 4, electrode unit; 41, the first electrode; 42, the second electrode; 5, electrocardiogram acquisition module; 51, signal conditioning circuit; 52, analog to digital conversion circuit.
The specific embodiment
As shown in Figure 1, the two-way discharge defibrillation device of the present embodiment comprises central processing unit 1, defibrillation unit 2, man-machine interaction unit 3 and electrode unit 4, central processing unit 1 respectively with defibrillation unit 2, man-machine interaction unit 3 is connected, electrode unit 4 comprises the first electrode 41 and the second electrode 42, the outfan of defibrillation unit 2 respectively with the first electrode 41, the second electrode 42 is connected, defibrillation unit 2 comprises charge-discharge modules 21, high-voltage capacitance 22 and sense of current permutator 23, the control end of charge-discharge modules 21 is connected with central processing unit 1, the outfan of charge-discharge modules 21 is successively by high-voltage capacitance 22, sense of current permutator 23 rear respectively with the first electrode 41, the second electrode 42 is connected, the control end of sense of current permutator 23 is connected with central processing unit 1.The present embodiment is controlled sense of current permutator 23 by central processing unit 1, the two-way switching of the sense of current that the first electrode 41, the second electrode 42 are exported forms two-way discharge, maximum discharge energy is 270 joules (360 joules of existing unidirectional ripple electric discharge ceiling capacities), wherein 50% energy (electric current) is to flow to the second electrode 42 from the first electrode 41,4～5 milliseconds of left and right of holding time; Other 50% energy (electric current) is to flow to the first electrode 41 from the second electrode 42,4～5 milliseconds of left and right of holding time, thereby make every time decreased to the electric current by myocardium, therefore reduced the probability of myocardial damage, and immediate current is flowed through myocardium electric current comparatively fully completely, can greatly improve like this success rate of defibrillation, can improve heart electric defibrillation success rate, reduce myocardial damage, at utmost save sufferer life, have advantages of that installation reliability is high.
The present embodiment also comprises electrocardiogram acquisition module 5, electrocardiogram acquisition module 5 comprises connected successively signal conditioning circuit 51 and analog to digital conversion circuit 52, the input of signal conditioning circuit 51 is connected with the first electrode 41, the second electrode 42 respectively, and the outfan of analog to digital conversion circuit 52 is connected with central processing unit 1.The first electrode 41, the second electrode 42 gather ecg information that patient gathers patient and deliver to signal conditioning circuit 51 and carry out amplification filtering, then be converted to digital signal input central processing unit 1 by analog to digital conversion circuit 52, central processing unit 1 shows output by the ecg information of collection by man-machine interaction unit 3, thereby make operator to determine the most rational charging and discharging electric current according to patient's ecg information easily, make each electric defibrillation effect reach best, and impatient damage is reduced to minimum, use convenient safety.
In the present embodiment, man-machine interaction unit 3 comprises audio frequency output module 31, touch screen module 32, display module 33, and audio frequency output module 31, touch screen module 32, display module 33 are connected with central processing unit 1 respectively.It is various promptings that audio frequency output module 31 uses instrument for audio frequency output rescue process, informs how user keeps correct rescue method, maneuver and measure in nervous first aid atmosphere; Touch screen module 32 is for inputting parameters; Display module 33 is for showing electrocardiogram (ECG) data that electrocardiogram acquisition unit 3 gathers and the operating state data of defibrillation unit 2.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under this utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under this utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a two-way discharge defibrillation device, comprise central processing unit (1), defibrillation unit (2), man-machine interaction unit (3) and electrode unit (4), described central processing unit (1) respectively with defibrillation unit (2), man-machine interaction unit (3) is connected, described electrode unit (4) comprises the first electrode (41) and the second electrode (42), the outfan of described defibrillation unit (2) respectively with the first electrode (41), the second electrode (42) is connected, it is characterized in that: described defibrillation unit (2) comprises charge-discharge modules (21), high-voltage capacitance (22) and sense of current permutator (23), the control end of described charge-discharge modules (21) is connected with central processing unit (1), the outfan of described charge-discharge modules (21) is successively by high-voltage capacitance (22), after sense of current permutator (23) respectively with the first electrode (41), the second electrode (42) is connected, the control end of described sense of current permutator (23) is connected with central processing unit (1).
2. two-way discharge defibrillation device according to claim 1, it is characterized in that: also comprise electrocardiogram acquisition module (5), described electrocardiogram acquisition module (5) comprises connected successively signal conditioning circuit (51) and analog to digital conversion circuit (52), the input of described signal conditioning circuit (51) is connected with the first electrode (41), the second electrode (42) respectively, and the outfan of analog-digital conversion circuit as described (52) is connected with central processing unit (1).
3. two-way discharge defibrillation device according to claim 1 and 2, it is characterized in that: described man-machine interaction unit (3) comprises audio frequency output module (31), touch screen module (32), display module (33), described audio frequency output module (31), touch screen module (32), display module (33) are connected with central processing unit (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018944.7U CN203694408U (en) | 2014-01-13 | 2014-01-13 | Bidirectional discharge defibrillation apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018944.7U CN203694408U (en) | 2014-01-13 | 2014-01-13 | Bidirectional discharge defibrillation apparatus |
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| CN203694408U true CN203694408U (en) | 2014-07-09 |
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| CN201420018944.7U Expired - Fee Related CN203694408U (en) | 2014-01-13 | 2014-01-13 | Bidirectional discharge defibrillation apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258280A1 (en) * | 2019-06-28 | 2020-12-30 | 深圳迈瑞生物医疗电子股份有限公司 | Defibrillator |
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2014
- 2014-01-13 CN CN201420018944.7U patent/CN203694408U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258280A1 (en) * | 2019-06-28 | 2020-12-30 | 深圳迈瑞生物医疗电子股份有限公司 | Defibrillator |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20200113 |