CN115969505A - Mapping device for cardiac electrophysiology radio frequency ablation operation and target data processing method - Google Patents
Mapping device for cardiac electrophysiology radio frequency ablation operation and target data processing method Download PDFInfo
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- CN115969505A CN115969505A CN202211316282.7A CN202211316282A CN115969505A CN 115969505 A CN115969505 A CN 115969505A CN 202211316282 A CN202211316282 A CN 202211316282A CN 115969505 A CN115969505 A CN 115969505A
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Abstract
The invention belongs to the technical field of ablation equipment, and discloses a mapping device and a target data processing method for a cardiac electrophysiology radio frequency ablation operation, wherein the adjustable-bending electrophysiology diagnosis catheter is a yapei adjustable-bending electrophysiology diagnosis catheter; the target point data processing method of the mapping device for the cardiac electrophysiological radio frequency ablation operation comprises the following steps: in the process of frequently ventricular premature/ventricular tachycardia, the adjustable bent electrophysiological diagnosis catheter is placed at a position where ventricular premature beats are likely to occur for mapping; after possible target points are mapped, the fine marks of the mapping ablation catheter are used for confirming the target point positions and then ablation is carried out. The application of the adjustable bending electrophysiology diagnosis catheter provided by the invention in the frequent ventricular premature/ventricular rate radio frequency ablation shortens the frequent ventricular premature/ventricular rate operation time, improves the success rate, reduces the operation complications, and solves the problems of low mapping efficiency, long operation time and large X-ray exposure of the mapping ablation electrode.
Description
Technical Field
The invention belongs to the technical field of ablation equipment, and particularly relates to a mapping device and a target data processing method for a cardiac electrophysiology radio frequency ablation operation.
Background
At present, the adjustable bending electrophysiology diagnosis catheter is mainly used in heart electrophysiology radio frequency ablation operations such as paroxysmal supraventricular tachycardia, frequent ventricular premature beat/ventricular tachycardia, atrial fibrillation and the like, and has the main functions of placing the adjustable bending electrophysiology diagnosis catheter in a coronary sinus for mapping atrial A waves, combining body surface lead QRS waves or intracavity ventricular V waves, determining the excitation relation between an atrium and a ventricle, monitoring AV intervals in the radio frequency ablation process and preventing atrioventricular conduction block. However, in the frequent ventricular premature beat and ventricular-rate radiofrequency ablation operation process, the application does not fully exert the unique mapping function of the adjustable bending electrophysiology diagnosis catheter, so that the operation time is long, the X-ray exposure is large, and the operation success rate is relatively low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a mapping device for a cardiac electrophysiology radio frequency ablation operation and a target data processing method, and particularly relates to application of an adjustable bending electrophysiology diagnosis catheter (Yapei) in frequent ventricular premature beat/ventricular rate radio frequency ablation.
The invention is realized in this way, a target data processing method of mapping device of the heart electrophysiology radio frequency ablation operation, the mapping device of the heart electrophysiology radio frequency ablation operation is a bending adjustable electrophysiology diagnosis catheter, in the process of frequently generating ventricular premature/ventricular rate, the bending adjustable electrophysiology diagnosis catheter is placed at the position where ventricular premature beat is likely to occur for mapping; after possible target points are mapped, a fine marker of the mapping ablation catheter is used; and after confirming the target site, carrying out ablation.
Further, the adjustable bending electrophysiological diagnosis catheter is a yapei adjustable bending electrophysiological diagnosis catheter.
Further, the target data processing method of the mapping device for the cardiac electrophysiology radio frequency ablation operation comprises the following steps:
firstly, preliminarily judging the source of ventricular premature beat/ventricular tachycardia according to the QRS wave form of the twelve-lead body surface electrocardiogram of ventricular premature beat/ventricular tachycardia; collecting ventricular premature beat/ventricular rate twelve-lead body surface electrocardiogram as a mapping and comparing template, placing the adjustable bending electrophysiology diagnosis catheter at a possible occurrence part of the ventricular premature beat/ventricular rate for mapping, and mapping by adopting full bipolar pairing; the adjustable bending electrophysiological diagnosis catheter electrodes are respectively paired into nine pairs of bipolar electrodes, namely 1-2,2-3,3-4,4-5,5-6,6-7,7-8,8-9,9-10, the electrode gain is 62, and the activation sequence in the heart cavity at each beat of ventricular premature beats or ventricular speed (with the QRS wave start of the ventricular premature beat/ventricular speed twelve-lead body surface electrocardiogram template as a reference). Comparing the activation time of each pair of bipolar electrodes, finding out the earliest activation electrode, if the activation time of the earliest activation electrode is more than 30ms earlier than the start of QRS wave of the body surface, calling a unipolar electrogram of the corresponding electrode, if the unipolar electrogram is QS type, the descending branch is steep, and the incisure exists, preliminarily considering that the point is possible to be an ablation target point, and repeating the mapping until the ideal target point is mapped.
And step two, after an ideal target area is mapped, the adjustable bending electrophysiology diagnosis catheter is placed in the coronary sinus and used for determining the exciting relation between the atrium and the ventricle in the atrium, and preventing atrioventricular conduction block possibly occurring in the ablation process. And then, the mapping ablation catheter electrodes are respectively paired into three pairs of bipolar electrodes 1-2,2-3,3-4, the electrode gain is 62, the bipolar electrodes are placed in a target area preliminarily determined by the adjustable bending electrophysiological mapping catheter for fine mapping, the pumping speed of physiological saline during mapping is 2ml/min, if a certain pair of electrodes collects the QRS wave on the body surface in advance for more than 30ms, a unipolar electrogram of the corresponding electrode is called, if the unipolar electrogram is QS type, the descending branch is steep, and the point is considered as an ideal target point.
And step three, opening MAP SCORE software, pacing and mapping local cardiac muscle contacted with the head end of the ablation catheter by 5-8V voltage, comparing the waveform state of the pacing surface twelve lead QRS wave with the waveform state of clinical ventricular premature beats/ventricular rate QRS, if the SCORE is equal to or greater than 95 minutes, considering the target point as an ideal target point, and if the SCORE is less than 95 minutes, slightly moving the mapping ablation catheter according to the difference between the pacing QRS wave and the template QRS wave until the pacing SCORE is equal to or greater than 95 minutes of the ideal target point. Then, the contact pressure between the ablation electrode and the myocardium is 5-10g during ablation in a power mode at 35W and 43 ℃, the pumping speed of physiological salt is 17ml/min, the ablation time is 50S each time, ventricular premature beats/ventricular speed disappear within 5 seconds, and isoproterenol is administered by a three-time venous route within 30 minutes, 8ug is administered each time, and the ventricular premature beats/ventricular speed is not induced again as the success standard.
Further, during the frequent ventricular premature/ventricular tachycardia process, the adjustable bent electrophysiological diagnosis catheter is placed at the position where ventricular premature beats are likely to occur for mapping.
Another object of the present invention is to provide an adjustable bending electrophysiology diagnostic catheter for implementing the application of the adjustable bending electrophysiology diagnostic catheter in the frequent ventricular early/ventricular speed radio frequency ablation.
It is a further object of the invention to provide a computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of:
in the process of frequently ventricular premature/ventricular tachycardia, the adjustable bent electrophysiological diagnosis catheter is placed at a position where ventricular premature beats are likely to occur for mapping;
after possible target points are mapped, the fine marks of the mapping ablation catheter are used for confirming the target point positions and then ablation is carried out.
It is another object of the present invention to provide a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
in the frequent ventricular premature/ventricular rate process, the adjustable bending electrophysiological diagnosis catheter is placed at the possible occurrence part of ventricular premature beat for mapping;
after possible target points are mapped, the fine marks of the mapping ablation catheter are used for confirming the target point positions and then ablation is carried out.
It is another object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for applying said adjustable bending electrophysiology diagnostic catheter when executed on an electronic device.
It is another object of the present invention to provide a computer readable storage medium storing instructions that, when executed on a computer, cause the computer to apply the adjustable curve electrophysiology diagnostic catheter.
Another object of the present invention is to provide an information data processing terminal for implementing the adjustable bending electrophysiological diagnosis catheter.
By combining the technical scheme and the technical problem to be solved, the technical scheme to be protected by the invention has the advantages and positive effects that:
because the far end of the ablation catheter only has four electrodes with the spacing of 2mm,5mm and 2mm, the ablation catheter can form three pairs of bipolar electrodes of 1-2,2-3,3-4 at most. The adjustable bending electrophysiological diagnosis catheter has ten electrodes with the electrode spacing of 2mm,5mm and 2mm, and may constitute nine pairs of bipolar electrodes, 1-2,2-3,3-4,4-5,5-6,6-7,7-8,8-9,9-10. Therefore, in the target point mapping of frequent ventricular premature beat/ventricular rate, the mapping efficiency of the adjustable bending electrophysiology diagnosis catheter is 3 times that of the ablation catheter, the diameter of the adjustable bending electrophysiology mapping catheter is 6F, the diameter of the ablation mapping catheter is 7F, and the adjustable bending electrophysiology mapping catheter is thin and soft and can be well attached to the inner wall of the heart cavity. The adjustable bending electrophysiology diagnosis catheter can greatly improve the mapping efficiency of frequent ventricular premature beats/ventricular tachycardia. Thereby greatly shortening the operation time, reducing the X-ray exposure and improving the success rate of the operation.
The application of the adjustable bending electrophysiological diagnosis catheter in the frequent-transmission-room-speed/early-room-speed radio frequency ablation shortens the frequent-transmission-room-speed/early-room-speed operation time, improves the success rate, reduces the operation complications, and solves the problems of low mapping efficiency, long operation time and large X-ray exposure of mapping and ablation electrodes.
The expected income and commercial value after the technical scheme of the invention is converted are as follows: the application range of the adjustable bending electrophysiology catheter in the radio frequency ablation operation of arrhythmia, especially frequent ventricular premature beat/ventricular rate and the like is widened.
The technical scheme of the invention fills the technical blank in the industry at home and abroad: the invention discloses a novel operation of mapping and ablation of ventricular arrhythmia for the first discovery of the unique mapping function of the adjustable bending electrophysiological diagnosis catheter at home and abroad in frequent ventricular premature beats/ventricular tachycardia.
The technical scheme of the invention solves the technical problems that people are eagerly to solve but always fail to solve the safe, quick and high success rate of frequent ventricular premature beat/ventricular rate: the invention solves the problems of low mapping efficiency of ventricular arrhythmia, long operation time consumption and large X-ray exposure, and greatly improves the success rate of the operation.
The technical scheme of the invention overcomes the technical prejudice that: the invention overcomes the defects of low mapping efficiency and poor tissue attachment of the ablation catheter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a target point data processing method of a mapping device for a cardiac electrophysiology rf ablation procedure according to an embodiment of the present invention.
Fig. 2 is a diagram of the effects of the embodiment of the present invention in use in surgery.
Fig. 3 is a schematic structural diagram of an adjustable bending electrophysiology diagnostic catheter provided by the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The frequent ventricular premature beat/ventricular rate radio frequency ablation operation generally adopts an adjustable bent electrophysiological diagnosis catheter to map an atrial A wave in a cavity so as to determine the excitation relation between an atrium and a ventricle, monitor the AV interval in the radio frequency ablation process and prevent atrioventricular conduction block. The ablation catheter is used for directly mapping target points, and the far end of the ablation catheter is only provided with four electrodes, the distance between the four electrodes is 2mm,5mm and 2mm, and the three pairs of bipolar electrodes of 1-2,2-3,3-4 can be formed at most. The far end of the adjustable bending electrophysiological diagnosis catheter is provided with ten electrodes, the electrode spacing is also 2mm,5mm and 2mm, and nine pairs of bipolar electrodes of 1-2,2-3,3-4,4-5,5-6,6-7,7-8,8-9,9-10 can be formed. Therefore, in the target point mapping of frequent ventricular premature beat/ventricular rate, the mapping efficiency of the adjustable-bending electrophysiological diagnosis catheter is 3 times that of the ablation catheter, the diameter of the adjustable-bending electrophysiological mapping catheter is 6F, the diameter of the ablation mapping catheter is 7F, the adjustable-bending electrophysiological mapping catheter is thin and soft, can be well attached to the inner wall of a heart cavity, and has little risk of perforation of the wall of the heart cavity. Therefore, the adjustable bending electrophysiology diagnosis catheter can greatly improve the mapping efficiency and the safety of frequent ventricular premature beats/ventricular tachycardias, thereby greatly shortening the operation time, reducing the X-ray exposure and improving the success rate of the operation.
In view of the problems in the prior art, the present invention provides an application of an adjustable bending electrophysiology diagnostic catheter in the frequent ventricular premature/ventricular rate radiofrequency ablation, and the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a target point data processing method of a mapping device for a cardiac electrophysiology radio frequency ablation procedure according to an embodiment of the present invention includes the following steps:
s101, in the process of frequently generating ventricular premature/ventricular tachycardia, the adjustable bent electrophysiological diagnosis catheter is placed at a position where ventricular premature/ventricular tachycardia is likely to occur for mapping;
s102, after possible target points are mapped, a fine mark of the catheter is ablated by using mapping;
and S103, after confirming the target point part, ablating.
This section is an explanatory embodiment expanding on the claims so as to fully understand how the present invention is embodied by those skilled in the art.
The direction is as follows: the application of the adjustable bending electrophysiological diagnosis catheter (Yapei) in the frequent-ventricular premature/ventricular rate radio frequency ablation (new application of old products).
Yipei adjustable bending electrophysiological diagnosis catheter english name: inquiry Steel Diagnostic catalysts.
Current applications in electrophysiological surgery: paroxysmal supraventricular tachycardia, frequent ventricular premature beats/ventricular tachycardia, during atrial fibrillation radio frequency ablation, the coronary sinus is placed for atrial and ventricular waves.
The innovative application is as follows: in the process of frequently triggering ventricular premature/ventricular rate, firstly, the adjustable bending electrophysiological diagnosis catheter is placed at a position where ventricular premature beats are likely to occur for mapping, after a possible target point is mapped, the mapping ablation catheter is used for fine marking, the target point position is confirmed, and then ablation is carried out.
The problems to be solved at present are: the problems of low mapping efficiency, long operation time and large X-ray exposure of the mapping ablation electrode are solved.
The invention achieves the following benefits: shortens the frequent ventricular premature/ventricular quick operation time, improves the success rate and reduces the operation complications.
The embodiment of the invention achieves some positive effects in the process of research and development or use, and has great advantages compared with the prior art, and the following contents are described by combining data, diagrams and the like in the test process.
Typical cases of application: the patient is female in age 57, is admitted to the hospital for repeated chest distress and palpitation for 2 months, and looks for heart color Doppler at the first people hospital in a certain city in 2022, 4 months and 7 days: 1. the heart morphology, structure and each valve activity have no obvious abnormality; 2. the diastolic function of the left ventricle is normal, and the measured value of the systolic function is within the normal range of EF/FS. The 24-hour dynamic electrocardiogram prompt is found in the first people hospital in a certain city on the 9 th 4 th month 2022: 1. sinus rhythm, 2 frequent ventricular premature beats, 498 ventricular bigeminy, 236 ventricular trigeminy, 3, no ST-T abnormality in the whole-process simulation lead, 4, normal heart rate variability and 5, no apnea phenomenon. The first people hospital in a certain city looks up the electrocardiogram in 20 months and 4 months in 2022 and shows: sinus rhythm, frequent ventricular premature beat. Cardiovascular medical hospitalization at the first subsidiary hospital of the university of traditional Chinese medicine ((TCM clinical research institute)) in Hunan, 5/31/2022, was definitely diagnosed as: arrhythmia, frequent premature ventricular contractions, and premature atrial contractions. The preoperative examination is perfected, the QRS waveform of the twelve-conduction ventricular premature beats on the body surface is used for judging that the ventricular premature beats come from LVOT, and the frequent premature beat radio frequency ablation is carried out in local anesthesia at 6-1 month in 2022. The right femoral vein and the right femoral artery are respectively punctured in the operation, a 6.0F blood vessel sheath and an 8.0F blood vessel sheath are respectively placed, an adjustable bending electrophysiological diagnosis catheter is firstly sent to the LVOT row along the 8F blood vessel sheath of the right femoral artery to carry out activation mapping, under a left coronary sinus valve, 2-3 electrodes of the adjustable bending electrophysiological diagnosis catheter are mapped to a 36ms point of the QRS wave of the advanced body surface, and the mapping points of 1-2,3-4,4-5,5-6,6-7,7-8 electrodes are all later than 2-3 electrodes, so that the positions where the 2-3 electrodes are located are judged to be ventricular premature beat origin points. Withdrawing the adjustable bending electrophysiology diagnosis catheter to the outside of the body, sending the adjustable bending electrophysiology diagnosis catheter to the right atrium through the inferior vena cava along the 6.0F vascular sheath of the right femoral vein, sending the adjustable bending electrophysiology diagnosis catheter to the tricuspid ring, clockwise rotating to the coronary sinus, mapping the relation of the A wave and the V wave, monitoring the distance between the A wave and the V wave in the ablation process, and preventing atrioventricular conduction block. Feeding an Yapei TCQ cold saline pressure mapping ablation catheter along a 8.0F vascular sheath of a right femoral artery to a possible target point marked by an adjustable bending electrophysiological diagnosis catheter, continuing fine mapping, mapping a target point which is 38ms ahead of the beginning of a QRS wave on the body surface by 1-2 electrodes of the TCQ catheter, wherein a single electrode is of QS type, descends to steepness and has a notch; opening MAP SCORE software, pacing a TCQ mapping ablation catheter 1 electrode at a frequency of 500ms and a voltage of 8V, and compared with clinical ventricular premature beat, scoring to 95 minutes, namely, the pacing similarity reaches 95%, confirming that the point is a clinical ventricular premature target point, ablating 5 seconds at a temperature of 35-39 ℃ and a cold saline flow rate of 17ml/h, disappearing the ventricular premature beat, consolidating the ablation for 3 times, and ablating 50 seconds each time; after ablation, isoproterenol is repeatedly dripped for about 8ug each time, so that the heart rate reaches over 150 percent of the original heart rate, the observation is carried out for more than three times, ventricular premature beat is not seen in the observation process, routine intracardiac electrophysiological examination is carried out, other arrhythmia is not seen, the operation is immediately successful, the catheter is withdrawn, and the catheter is pressed and bound. No ventricular premature beat is seen in the post-operation electrocardiogram of 1 hour and the post-operation dynamic electrocardiogram of half a month, and the operation is successful (the whole operation takes 52 minutes, the operation time is saved by 30 minutes compared with the conventional operation method; the X-ray quantity is 6mGR, and the X-ray quantity is reduced by 8mGR compared with the conventional operation method).
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A mapping device for a cardiac electrophysiology radio frequency ablation operation is characterized in that the mapping device for the cardiac electrophysiology radio frequency ablation operation is an adjustable bending electrophysiology diagnosis catheter; the adjustable bending electrophysiological diagnosis catheter is a Yapei adjustable bending electrophysiological diagnosis catheter.
2. A target data processing method in frequent ventricular premature/ventricular rate radio frequency ablation surgery using the device of claim 1, wherein the target data processing method comprises the steps of:
firstly, preliminarily judging the source of ventricular premature beat/ventricular tachycardia according to the QRS wave form of the twelve-lead body surface electrocardiogram of ventricular premature beat/ventricular tachycardia; placing the adjustable bending electrophysiology diagnosis catheter at a possible occurrence part of ventricular premature beat/ventricular rate for mapping, collecting a twelve-lead body surface electrocardiogram ventricular premature beat/ventricular rate template, and mapping by adopting full bipolar pairing of the adjustable bending electrophysiology diagnosis catheter; respectively pairing the adjustable bending electrophysiological diagnosis catheter electrodes into nine pairs of bipolar electrodes, namely 1-2,2-3,3-4,4-5,5-6,6-7,7-8,8-9,9-10, wherein the electrode gain is 62, and acquiring the activation sequence in the heart cavity at each beat of ventricular premature beats or ventricular speed;
after an ideal target area is mapped, the adjustable bending electrophysiological diagnosis catheter is placed in a coronary vein and used for determining the exciting relation between an atrium and a ventricle in a heart cavity and preventing atrioventricular conduction block possibly occurring in the ablation process;
and step three, opening MAP SCORE software, pacing local cardiac muscle by 5-8V voltage, comparing the pacing surface twelve-lead QRS wave with the clinical ventricular premature beat shape, if the SCORE is equal to or greater than 95 minutes, considering the target point as an ideal target point, if the SCORE is less than 95 minutes, slightly shifting the mapping ablation catheter according to the difference between the pacing QRS wave and the template QRS wave until the pacing SCORE is measured to be equal to or greater than 95 minutes of the ideal target point. Then, the contact pressure of the electrode and the myocardium is 5-10g during ablation in a power mode at 35W and 43 ℃, the pumping speed of physiological salt is 17ml/min, the ablation time is 50S each time, the ventricular premature beats/ventricular speed disappears within 5 seconds, and isoproterenol is given three times within 30 minutes, and the ventricular premature beats/ventricular speed is not induced as the success standard.
3. The target data processing method of claim 2, wherein step one further comprises:
comparing the activation time of each pair of bipolar electrodes, finding out the earliest activation electrode, if the activation time of the earliest activation electrode is more than 30ms earlier than the start of QRS wave of the body surface, calling a unipolar electrogram of the corresponding electrode, if the unipolar electrogram is QS type, the descending branch is steep, and the incisure exists, preliminarily considering that the point is possible to be an ablation target point, and repeating the mapping until the ideal target point is mapped.
4. The target data processing method of claim 2, wherein step two further comprises:
the mapping ablation catheter electrodes are respectively paired into three pairs of bipolar electrodes 1-2,2-3,3-4, the electrode gain is 62, the electrodes are placed in a target area preliminarily determined by the adjustable bending electrophysiological mapping catheter for fine mapping, the pumping speed of physiological saline is 2ml/min during mapping, if a certain pair of electrodes acquire the initial 30ms of QRS waves of an advance template, a unipolar electrogram of the corresponding electrode is called, if the unipolar electrogram is QS type, the descending branch is steep, and a cutting trace exists, the point is considered as an ideal target.
5. An adjustable bending electrophysiology diagnosis catheter implementing the target point data processing method of the mapping device of the cardiac electrophysiology radio frequency ablation operation according to any one of claims 1 to 4.
6. A computer arrangement comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to carry out the steps of:
in the frequent ventricular premature/ventricular rate process, the adjustable bending electrophysiological diagnosis catheter is placed at the possible occurrence part of ventricular premature beat for mapping;
after possible target points are mapped, the fine marks of the mapping ablation catheter are used for confirming the target point positions and then ablation is carried out.
7. A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
in the process of frequently ventricular premature/ventricular tachycardia, the adjustable bent electrophysiological diagnosis catheter is placed at a position where ventricular premature beats are likely to occur for mapping;
after possible target points are mapped, the fine marks of the mapping ablation catheter are used for confirming the target point positions and then ablation is carried out.
8. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for applying the adjustable bend electrophysiology diagnostic catheter of claim 5 when executed on an electronic device.
9. A computer readable storage medium storing instructions that, when executed on a computer, cause the computer to apply the adjustable curve electrophysiology diagnostic catheter of claim 5.
10. An information data processing terminal, characterized in that the information data processing terminal is used for realizing the adjustable bending electrophysiological diagnosis catheter of claim 5.
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| CN116831593A (en) * | 2023-07-04 | 2023-10-03 | 首都医科大学附属北京安贞医院 | Ventricular tachycardia activation sequence mapping system, device and apparatus |
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| CN116831593A (en) * | 2023-07-04 | 2023-10-03 | 首都医科大学附属北京安贞医院 | Ventricular tachycardia activation sequence mapping system, device and apparatus |
| CN116831593B (en) * | 2023-07-04 | 2023-11-21 | 首都医科大学附属北京安贞医院 | Ventricular tachycardia activation sequence mapping system, device and apparatus |
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