CN110193142A - Pacing lead dropping detection method and temporary cardiac pacemaker - Google Patents
Pacing lead dropping detection method and temporary cardiac pacemaker Download PDFInfo
- Publication number
- CN110193142A CN110193142A CN201910437228.XA CN201910437228A CN110193142A CN 110193142 A CN110193142 A CN 110193142A CN 201910437228 A CN201910437228 A CN 201910437228A CN 110193142 A CN110193142 A CN 110193142A
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- Prior art keywords
- impedance value
- pacemaker
- pace
- pacing
- capacitor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/37—Monitoring; Protecting
- A61N1/3706—Pacemaker parameters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/37512—Pacemakers
Abstract
The present invention relates to a kind of Pacing lead dropping detection method and temporary cardiac pacemakers.This method comprises: pace-making capacitor discharges to form pacemaker impulse, the impedance value of pacing system is obtained according to pacing the end voltage at capacitor both ends after electric discharge duration, the initial voltage that capacitor both ends are paced before electric discharge, electric discharge and pacing the capacitance of capacitor, whether outside normal interval judges whether Pacing lead falls off according to impedance value.It has well solved and has been disconnected using wire dropping when pacemaker, pace-making circuit and be not easy the problem of finding in time, be conducive to doctor and fall off to Pacing lead make quick response, to improve the safety of patient.
Description
Technical field
The present invention relates to field of medical device, more particularly to a kind of Pacing lead dropping detection method and a kind of interim heart
Dirty pacemaker.
Background technique
Present clinical patient carries out venipuncture to patient's lower limb first when using temporary pacemaker, draws pace-making and leads
Line, then the external impulse sender of temporary pacemaker is connected with Pacing lead, then mentioned by impulse sender granting by battery
For the electric pulse of energy, by the conduction of Pacing lead, the cardiac muscle that stimulating electrode is contacted makes heart excitement and shrinks, thus
Achieve the purpose that treatment due to certain arrhythmia caused heart dysfunctions.But temporary pacemaker mistake is worn in patient
It can not detect, need by visually observing, or observe patient's electro-cardiologic signal waveforms by electrocardiograph automatically when wire dropping in journey
To judge, it is unfavorable for doctor and falls off to Pacing lead to make quick response, be unfavorable for the safety of patient.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of Pacing lead dropping detection method and a kind of temporary heart
Pacemaker.
A kind of Pacing lead dropping detection method, comprising the following steps:
Pace-making capacitor discharges to form pacemaker impulse.
According to the initial voltage V for pacing capacitor both ends before electric discharge duration t, electric discharge0, the end at capacitor both ends is paced after electric discharge
Voltage V1And the capacitance of the pace-making capacitor obtains the impedance value of pacing system.
Whether outside normal interval judge whether Pacing lead falls off according to the impedance value.
Pacing lead dropping detection method further includes whether judging pacemaker according to impedance value in one of the embodiments,
The step of implantation.
Judge that the step of whether pacemaker is implanted into includes: according to impedance value in one of the embodiments,
Impedance value is compared with the threshold value of impedance value.
When impedance value continuous-stable is less than or equal to threshold value, Pacemaker implantation is determined.
When impedance value is continuously greater than threshold value, determine that pacemaker is not implanted into.
Pacing lead dropping detection method further includes output when determining that Pacing lead falls off in one of the embodiments,
The step of prompt information.
The step of exporting prompt information in one of the embodiments, includes issuing mentioning for sound or light by indicative device
Show.
Impedance value is to pass through V in one of the embodiments,1=V0-V0* [1-exp (- t/RC)] is calculated.
Electric discharge duration t is identical as the pulsewidth of pacemaker impulse in one of the embodiments,.
Judge that the step of whether Pacing lead falls off includes: according to impedance value in one of the embodiments,
Impedance value is compared with the threshold value of impedance value.
When impedance value is greater than threshold value, determine that Pacing lead falls off.
A kind of temporary cardiac pacemaker, comprising:
Capacitor is paced, forms pacemaker impulse for discharging.
Output voltage detecting circuit, connection pace-making capacitor, for detecting the initial voltage V at the preceding pace-making capacitor both ends of electric discharge0
With the end voltage V for pacing capacitor both ends after electric discharge1。
Control unit connects the output voltage detecting circuit, for the capacitance C according to the pace-making capacitor, electric discharge
Duration t, initial voltage V0And end voltage V1Obtain the impedance value of pacing system.
Judging unit, for whether judging rising for the temporary cardiac pacemaker outside normal interval according to the impedance value
Whether conducting wire of fighting falls off.
Pacemaker in one of the embodiments, further include:
User interactive module, for inputting pacing parameter, the pacing parameter includes the amplitude of the pacemaker impulse, pulsewidth
And frequency.
Pace-making output communication module, connects the user interactive module and described control unit, for obtaining the user
The pacing parameter of interactive module input, and the impedance value is inputted into judging unit.
Output voltage controlling circuit connects the pace-making output communication module and pace-making capacitor, for according to the amplitude
Control output charging voltage charges to pace-making capacitor.
Output waveform control circuit connects the pace-making output communication module and pace-making capacitor, for according to the pulsewidth
With the waveform of rate-adaptive pacemaker pacemaker impulse.
The judging unit is set in the user interactive module in one of the embodiments, user's interaction mould
Block further includes cue circuit, for exporting prompt information when determining that the Pacing lead falls off.
The judging unit is also used to whether judge the pacemaker according to the impedance value in one of the embodiments,
Implantation.
Above-mentioned Pacing lead Pacing lead dropping detection method and temporary cardiac pacemaker, pace-making capacitor discharge to form pace-making
Pulse, according to pace-making capacitor both ends after the initial voltage and electric discharge for pacing capacitor both ends before the electric discharge duration of pace-making capacitor, electric discharge
End voltage obtain the impedance value of pacing system, whether in normal interval judge whether Pacing lead takes off by impedance value
It falls, has well solved and disconnected using wire dropping when pacemaker, pace-making circuit and be not easy the problem of finding in time, be conducive to cure
Raw fall off to Pacing lead makes quick response, to improve the safety of patient.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The attached drawing of other embodiments is obtained according to these attached drawings.
Fig. 1 is the flow chart of Pacing lead dropping detection method in an embodiment；
Fig. 2 is the block diagram of temporary cardiac pacemaker in an embodiment；
Fig. 3 is the flow chart for judging whether Pacing lead falls off according to impedance value in an embodiment；
Fig. 4 is the flow chart for judging whether pacemaker is implanted into according to impedance value in an embodiment；
Fig. 5 is the block diagram of temporary cardiac pacemaker in another embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, is not intended to limit the present invention.It is used herein belong to " and/or " include one or more phases
Any and all combinations of the listed item of pass.
As shown in Figs. 1-2, the present invention provides a kind of Pacing lead dropping detection method, comprising the following steps:
S102, pace-making capacitor discharge to form pacemaker impulse.
After user interactive module sets the pacing parameters such as amplitude, pulsewidth, frequency, pace-making output communication module passes through user
The data that parsing obtains obtain pacing parameter, and the output voltage controlling circuit connecting with pace-making output communication module is joined according to pace-making
Range parameter output charging voltage in number charges to pace-making capacitor 102, and after charging complete, pace-making capacitor 102 discharges, at one
In embodiment, the electric discharge duration for pacing capacitor 102 is identical as the width parameter of pacemaker impulse.Output waveform control circuit according to rise
Pacemaker impulse is output to and is connected with Pacing lead to Pacing lead by the pulsewidth and rate-adaptive pacemaker pacemaker impulse in parameter of fighting
Human heart.
S104 calculates the impedance value of pacing system.
Before pace-making 102 charging complete of capacitor to electric discharge, 102 liang of capacitor of pace-making of the detection of output voltage detecting circuit 104
The initial voltage at end.After the completion of pacing the electric discharge of capacitor 102, output voltage detecting circuit 104 detects pace-making 102 both ends of capacitor again
Voltage, the end voltage after being discharged.Control unit 106 according to the pulsewidth of pacemaker impulse, it is the capacitance that paces capacitor, defeated
The initial voltage V that voltage detecting circuit detects out0With end voltage V1, pass through V1=V0-V0* [1-exp (- t/RC)] is calculated
The impedance value R of pacing system out.
S106 judges whether Pacing lead falls off according to impedance value.
Whether judging unit 108, which passes through to judge to pace to export the impedance value that communication module inputs and obtain outside normal interval, faces
When pacemaker Pacing lead whether fall off.
As Fig. 3 judges that the step of whether Pacing lead falls off includes: according to impedance value in one embodiment
Impedance value is compared by S202 with the threshold value of impedance value.
S204 when impedance value is greater than threshold value, determines that Pacing lead falls off.
Pacing system is imperfect when Pacing lead falls off, be equivalent to enter in pacing system lead it is infinitely great or relatively large
Resistance, at this point, the impedance value of pacing system will be very big.The threshold value of impedance value, the impedance value that judging unit will receive are set
It is compared with the threshold value of impedance value, when impedance value is greater than threshold value, judging unit judges that pacing system is imperfect, Pacing lead
It falls off.
If Fig. 4 further includes in one embodiment judging whether pacemaker is implanted into according to impedance value before step S106
Step, comprising:
Impedance value is compared by S302 with the threshold value of impedance value.
S304 determines the Pacemaker implantation when impedance value continuous-stable is less than or equal to threshold value.
S306 when impedance value is continuously greater than the threshold value, determines that pacemaker is not implanted into.
After Pacemaker implantation, the intracavitary electrocardiosignal of patient can be perceived, and the impedance value of the pacing system measured will
Tend towards stability, therefore, can by determine pacing system impedance value whether continuous-stable is in threshold value or whether impedance value is sent out
Raw stable perception event come the analysis of the variation and intracavitary electrocardiosignal that occur know patient's body whether implantable pacemaker.When
When impedance value continuous-stable is less than or equal to threshold value, the Pacemaker implantation is determined, otherwise, it is determined that pacemaker is not implanted into.
It in one embodiment, further include exporting prompt information when determining that the Pacing lead falls off after step S106
The step of.
It in one embodiment, is by including at least one of indicative devices such as indicator light, buzzer, display screen
The prompt of device sending sound or light.In practice, it can according to need setting and obtain different prompt informations.
Such as the block diagram that Fig. 5 is temporary cardiac pacemaker in an embodiment, comprising:
Capacitor 202 is paced, forms pacemaker impulse for discharging.
Output voltage detecting circuit 204 connects the pace-making capacitor, for pacing 202 both ends of capacitor before detecting electric discharge
Initial voltage V0With the end voltage V for pacing 202 both ends of capacitor after electric discharge1。
In one embodiment, output voltage detecting circuit 204 includes analog-to-digital conversion device, paces capacitor 202 by detection
The initial voltage V for obtaining pace-making 202 both ends of capacitor of output waveform0With the end voltage V for pacing 202 liang of capacitor after electric discharge1。
Control unit 206 connects the output voltage detecting circuit 204, for the capacitor according to the pace-making capacitor 202
Value C, electric discharge duration t, initial voltage V0, end voltage V1Obtain the impedance value of pacing system.
In one embodiment, control unit includes 206 computing modules, and computing module passes through V1=V0-V0*[1-exp(-
T/RC the impedance value of pacing system)] is calculated.
Judging unit 208, for whether judging the temporary cardiac pacemaker outside normal interval according to the impedance value
Pacing lead whether fall off.
In one embodiment, judging unit 208 further includes comparison module, and judging unit 208 compares according to comparison module
The result of the threshold value of impedance value and impedance value judges whether the Pacing lead of the temporary cardiac pacemaker falls off.
In one embodiment, judging unit 208 is also used to judge whether the pacemaker is implanted into according to impedance value.
In one embodiment, pacemaker further include:
User interactive module 210, for inputting pacing parameter, the pacing parameter include the pacemaker impulse amplitude,
Pulsewidth and frequency.
In one embodiment, user interactive module 210 includes input module 212 and output communication module 214；Input mould
Block 212 is for modifying, inputting the controls such as pacing parameter, including key, knob；Communication module 214 is exported to be used for pacing parameter
Export the communication modes such as user interactive module 210, including SPI, IIC, serial ports.
In one embodiment, judging unit 208 is set in the user interactive module, the user interactive module 210
It further include cue circuit 216, for exporting prompt information when determining that the Pacing lead falls off.In one embodiment, it mentions
Show that circuit 216 includes the ON-OFF control circuit for exporting control signal.
In one embodiment, the pacemaker further includes sound production prompt circuit 218, include at least indicator light, buzzer,
One of the indicative device such as display screen device issues the prompt of sound or light, for the judgement according to user interactive module 210
Export the status information of pacemaker.
Pace-making output communication module 220, connects the user interactive module 210 and described control unit 206, for obtaining
The pacing parameter that the user interactive module 210 inputs, and the impedance value is inputted into judging unit 208.
In one embodiment, pace-making output communication module 220 is handed over by the communication modes such as SPI, IIC, serial ports and user
Mutual module 210 carries out data communication.
Output voltage controlling circuit 222, connection pace-making output communication module 220 and pace-making capacitor 202, for according to
Amplitude control output charging voltage charges to pace-making capacitor 202.
In one embodiment, output voltage controlling circuit 222 includes high-precision analog-digital chip, to realize output
The function of the DC voltage magnitude of waveform.
In one embodiment, charging voltage is that analog-digital chip exports and through the amplified voltage of amplifying circuit.
Output waveform control circuit 224, connection pace-making output communication module 220 and pace-making capacitor 202, for according to
The waveform of pulsewidth and rate-adaptive pacemaker pacemaker impulse.
In one embodiment, output waveform control circuit 224 includes ON-OFF control circuit.
Above-mentioned Pacing lead dropping detection method and temporary cardiac pacemaker, pace-making capacitor discharge to form pacemaker impulse, root
According to the end electricity for pacing capacitor both ends after the initial voltage and electric discharge for pacing capacitor both ends before the electric discharge duration of pace-making capacitor, electric discharge
Pressure obtains the impedance value of pacing system, whether in normal interval judges whether Pacing lead falls off by impedance value, well
It solves the problems, such as to disconnect using wire dropping when pacemaker, pace-making circuit and is not easy to find in time, be conducive to doctor to pace-making
Wire dropping makes quick response, to improve the safety of patient.
It should be noted that the Pacing lead that temporary cardiac pacemaker provided by the invention is provided with a upper embodiment falls off
Detection method is corresponding, does not just repeat certainly here.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (12)
1. a kind of Pacing lead dropping detection method, which comprises the following steps:
Pace-making capacitor discharges to form pacemaker impulse；
According to the initial voltage V for pacing capacitor both ends before electric discharge duration t, electric discharge0, the end voltage at capacitor both ends is paced after electric discharge
V1And the capacitance of the pace-making capacitor obtains the impedance value of pacing system；
Whether outside normal interval judge whether Pacing lead falls off according to the impedance value.
2. detection method according to claim 1, which is characterized in that further include judging that pacemaker is according to the impedance value
The step of no implantation.
3. detection method according to claim 2, which is characterized in that described whether to judge pacemaker according to the impedance value
The step of implantation includes:
The impedance value is compared with the threshold value of impedance value；
When the impedance value continuous-stable is less than or equal to the threshold value, the Pacemaker implantation is determined；
When the impedance value is continuously greater than the threshold value, determine that the pacemaker is not implanted into.
4. detection method according to claim 1, which is characterized in that further include when determining that the Pacing lead falls off, it is defeated
The step of prompt information out.
5. detection method according to claim 4, which is characterized in that include passing through finger the step of the output prompt information
The prompt of the property shown device sending sound or light.
6. detection method according to claim 1, which is characterized in that the impedance value is to pass through V1=V0-V0*[1-exp
(- t/RC)] be calculated.
7. detection method according to claim 6, which is characterized in that the arteries and veins of electric discharge the duration t and the pacemaker impulse
Width is identical.
8. detection method according to claim 1, which is characterized in that described to judge that Pacing lead is according to the impedance value
No the step of falling off includes:
The impedance value is compared with the threshold value of impedance value；
When the impedance value is greater than the threshold value, determine that the Pacing lead falls off.
9. a kind of temporary cardiac pacemaker characterized by comprising
Capacitor is paced, forms pacemaker impulse for discharging；
Output voltage detecting circuit connects the pace-making capacitor, for detecting the initial voltage V at the preceding pace-making capacitor both ends of electric discharge0With
The end voltage V at capacitor both ends is paced after electric discharge1；
Control unit connects the output voltage detecting circuit, for the capacitance C according to the pace-making capacitor, electric discharge duration
T, initial voltage V0And end voltage V1Obtain the impedance value of pacing system；
Judging unit, for whether outside normal interval judging that the pace-making of the temporary cardiac pacemaker is led according to the impedance value
Whether line falls off.
10. pacemaker according to claim 9, which is characterized in that further include:
User interactive module, for inputting pacing parameter, the pacing parameter includes the amplitude, pulsewidth and frequency of the pacemaker impulse
Rate；
Pace-making output communication module, connects the user interactive module and described control unit, for obtaining user's interaction
The pacing parameter of module input, and the impedance value is inputted into the judging unit；
Output voltage controlling circuit connects the pace-making output communication module and pace-making capacitor, for controlling according to the amplitude
Output charging voltage charges to pace-making capacitor；
Output waveform control circuit connects the pace-making output communication module and pace-making capacitor, for according to the pulsewidth and frequency
The waveform of rate output pacemaker impulse.
11. pacemaker according to claim 10, which is characterized in that the judging unit is set to the user interactive module
In, the user interactive module further includes cue circuit, for exporting prompt information when determining that the Pacing lead falls off.
12. pacemaker according to claim 9, which is characterized in that the judging unit is also used to according to the impedance value
Judge whether the pacemaker is implanted into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437228.XA CN110193142A (en) | 2019-05-24 | 2019-05-24 | Pacing lead dropping detection method and temporary cardiac pacemaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437228.XA CN110193142A (en) | 2019-05-24 | 2019-05-24 | Pacing lead dropping detection method and temporary cardiac pacemaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110193142A true CN110193142A (en) | 2019-09-03 |
Family
ID=67751693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910437228.XA Pending CN110193142A (en) | 2019-05-24 | 2019-05-24 | Pacing lead dropping detection method and temporary cardiac pacemaker |
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| CN (1) | CN110193142A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114469122A (en) * | 2022-01-28 | 2022-05-13 | 深圳市先健心康医疗电子有限公司 | Heart perforation monitoring method and device, computer equipment and pacemaker |
| CN115721854A (en) * | 2021-08-30 | 2023-03-03 | 深圳市先健心康医疗电子有限公司 | Electrode catheter structure and pacing electrode catheter device |
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| US4899750A (en) * | 1988-04-19 | 1990-02-13 | Siemens-Pacesetter, Inc. | Lead impedance scanning system for pacemakers |
| US5431692A (en) * | 1993-08-02 | 1995-07-11 | Telectronics Pacing Systems, Inc. | Method and apparatus for testing compatibility of lead polarity and polarity programming of a cardiac stimulator |
| US5649969A (en) * | 1996-06-20 | 1997-07-22 | Pacesetter Ab | Method and apparatus for calculating and monitoring the impedance of an implanted pacemaker lead from a surface ECG of a pacemaker pulse |
| US6154675A (en) * | 1998-10-27 | 2000-11-28 | Medtronic, Inc. | Resetting ERI/POR/PIR/indicators in implantable medical devices |
| US20100114222A1 (en) * | 2008-10-31 | 2010-05-06 | Medtronic, Inc. | Lead integrity testing triggered by sensed asystole |
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2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899750A (en) * | 1988-04-19 | 1990-02-13 | Siemens-Pacesetter, Inc. | Lead impedance scanning system for pacemakers |
| US5431692A (en) * | 1993-08-02 | 1995-07-11 | Telectronics Pacing Systems, Inc. | Method and apparatus for testing compatibility of lead polarity and polarity programming of a cardiac stimulator |
| US5649969A (en) * | 1996-06-20 | 1997-07-22 | Pacesetter Ab | Method and apparatus for calculating and monitoring the impedance of an implanted pacemaker lead from a surface ECG of a pacemaker pulse |
| US6154675A (en) * | 1998-10-27 | 2000-11-28 | Medtronic, Inc. | Resetting ERI/POR/PIR/indicators in implantable medical devices |
| US20100114222A1 (en) * | 2008-10-31 | 2010-05-06 | Medtronic, Inc. | Lead integrity testing triggered by sensed asystole |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115721854A (en) * | 2021-08-30 | 2023-03-03 | 深圳市先健心康医疗电子有限公司 | Electrode catheter structure and pacing electrode catheter device |
| CN115721854B (en) * | 2021-08-30 | 2024-03-26 | 深圳市先健心康医疗电子有限公司 | Electrode catheter structure and pacing electrode catheter device |
| CN114469122A (en) * | 2022-01-28 | 2022-05-13 | 深圳市先健心康医疗电子有限公司 | Heart perforation monitoring method and device, computer equipment and pacemaker |
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