CN118557277B - Pulse field ablation method and system for pulmonary vein vestibule - Google Patents
Pulse field ablation method and system for pulmonary vein vestibule Download PDFInfo
- Publication number
- CN118557277B CN118557277B CN202411058947.8A CN202411058947A CN118557277B CN 118557277 B CN118557277 B CN 118557277B CN 202411058947 A CN202411058947 A CN 202411058947A CN 118557277 B CN118557277 B CN 118557277B
- Authority
- CN
- China
- Prior art keywords
- voltage fluctuation
- voltage
- pulse field
- target period
- field ablation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002679 ablation Methods 0.000 title claims abstract description 134
- 238000000034 method Methods 0.000 title claims abstract description 59
- 210000003492 pulmonary vein Anatomy 0.000 title claims abstract description 11
- 230000002159 abnormal effect Effects 0.000 claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000005856 abnormality Effects 0.000 claims description 10
- 108010001267 Protein Subunits Proteins 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00892—Voltage
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The invention relates to the technical field of medical treatment, and particularly discloses a pulse field ablation method and a pulse field ablation system for a pulmonary vein vestibule, wherein the pulse field ablation method comprises the following steps: monitoring the voltage of the pulse field ablation equipment in real time in the process of pulse field ablation, and judging whether the voltage fluctuation of the pulse field ablation equipment in a target period is abnormal or not; further analyzing the voltage fluctuation so as to predict whether the voltage fluctuation of the pulse field ablation equipment in the target period is abnormal; analyzing the voltage fluctuation situation in the target period based on the situation that the predicted pulse field ablation device is abnormal in the voltage fluctuation in the target period, so that the situation that the pulse field ablation device is abnormal in the voltage fluctuation in the target period is prevented; the method and the device help to early warn and take necessary measures in advance when the voltage fluctuation of the pulse field ablation device in the target period is predicted to be abnormal by predicting whether the voltage fluctuation of the pulse field ablation device in the target period is abnormal, so that the problems of operation interruption and safety caused by the abnormal voltage fluctuation are prevented.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a pulse field ablation method and system for a pulmonary vein vestibule.
Background
The stability of voltage is one of the key factors in the pulse field ablation process, and the fluctuation of voltage can lead to unstable intensity of a pulse electric field, namely unstable ablation energy, in the ablation process, if the voltage suddenly rises or falls, tissues in an ablation area can be excessively or insufficiently damaged, thereby affecting the operation effect, increasing the risk and uncertainty of operation, so that the unstable voltage can lead to undefined ablation boundary, increasing the risk of damage to surrounding normal tissues, in addition, the fluctuation of voltage can also affect the stability and reliability of ablation equipment, increasing the risk of equipment failure, and further threatening the safety and success rate of operation.
The Chinese patent publication No. CN113476136B discloses a pulse field ablation control method and a system, and the pulse field ablation control method comprises the following steps: determining impedance characteristics of a part to be ablated; determining characteristics of pathological tissues according to impedance characteristics of the part to be ablated; pulse field ablation parameters are determined based on characteristics of the diseased tissue.
However, in the prior art, the evaluation of the voltage fluctuation often lacks a clear quantification standard, so that a doctor is difficult to accurately judge whether the voltage fluctuation is abnormal, thereby increasing the uncertainty and risk of the operation, and in the prior art, the prediction capability of the future voltage fluctuation trend is lacking, so that the doctor cannot respond in time when the voltage fluctuation abnormality occurs, thereby increasing the risk of the operation.
Disclosure of Invention
The invention aims to provide a pulse field ablation method and a pulse field ablation system for a pulmonary vein vestibule, which are used for solving the technical problems in the background.
The aim of the invention can be achieved by the following technical scheme:
In a first aspect, a pulsed field ablation method and system for the vestibule of a pulmonary vein, comprising the steps of:
Step one: monitoring the voltage of the pulse field ablation equipment in real time in the process of pulse field ablation, and judging whether the voltage fluctuation of the pulse field ablation equipment in a target period is abnormal or not;
step two: the voltage fluctuation is further analyzed, so that whether the voltage fluctuation of the pulse field ablation equipment in the target period is abnormal or not is predicted, and the specific method is as follows:
b1: obtaining a sub-period in a target period, and obtaining a sum of a plurality of voltage wave sub-parameters;
B2: based on a two-dimensional coordinate system established by taking the sum of the voltage wave sub-parameters obtained each time in a target period as a coordinate point, taking time as an X axis and taking the sum of the voltage wave sub-parameters as a Y axis, drawing a voltage fluctuation prediction graph, drawing a fitting straight line according to all points of the voltage fluctuation prediction graph by a least square method, and obtaining an equation of the fitting straight line: Wherein X is expressed as time, Y is expressed as sum of parameters of the voltage wave sub-unit, k is slope of the fitting straight line, b is intercept of the fitting straight line, and k and b are constant values;
b3: substituting the ending time of the target period into a fitting linear equation, thereby obtaining a predicted voltage wave sub-parameter sum at the ending of one target period, and marking the predicted voltage wave sub-parameter sum as a voltage fluctuation predicted parameter;
B4: comparing and analyzing the voltage fluctuation prediction parameters so as to predict whether the voltage fluctuation of the pulse field ablation equipment is abnormal in a target period;
Comparing and analyzing the voltage fluctuation prediction parameter with a voltage fluctuation parameter threshold;
if the voltage fluctuation prediction parameter is smaller than the voltage fluctuation parameter threshold value, predicting that the voltage fluctuation of the pulse field ablation equipment is normal in the target period;
If the voltage fluctuation prediction parameter is more than or equal to the voltage fluctuation parameter threshold, predicting that the voltage fluctuation of the pulse field ablation equipment is abnormal in the target period;
Step three: and analyzing the voltage fluctuation condition in the target period based on the condition that the predicted pulse field ablation device is abnormal in the voltage fluctuation in the target period, so that the condition that the pulse field ablation device is abnormal in the voltage fluctuation in the target period is prevented.
As a further scheme of the invention: the specific method for judging whether the voltage fluctuation of the pulse field ablation equipment is abnormal in the target period comprises the following steps:
a1: the method comprises the steps of monitoring the voltage of pulse field ablation equipment in real time in the process of pulse field ablation, so as to obtain voltage fluctuation parameters;
A2: and comparing and analyzing the voltage fluctuation parameters so as to judge whether the voltage fluctuation of the pulse field ablation equipment is abnormal in a target period.
As a further scheme of the invention: the method for acquiring the voltage fluctuation parameter comprises the following steps:
The method comprises the steps of monitoring the voltage of pulse field ablation equipment in real time in the process of pulse field ablation, so that the real-time voltage of the pulse field ablation equipment is obtained;
establishing a voltage fluctuation graph based on a two-dimensional coordinate system with time as an X axis and real-time voltage as a Y axis, and drawing a voltage fluctuation curve;
drawing a preset voltage straight line with a Y-axis value being preset voltage and parallel to an X-axis based on a voltage fluctuation curve;
And acquiring the area of an area surrounded by the voltage fluctuation curve and a preset voltage straight line in the target period, so as to acquire an area parameter, and marking the ratio of the area parameter to an area parameter threshold as the voltage fluctuation parameter.
As a further scheme of the invention: the method comprises the following steps:
Presetting a voltage fluctuation parameter threshold, and comparing and analyzing the voltage fluctuation parameter and the voltage fluctuation parameter threshold;
if the voltage fluctuation parameter is smaller than the voltage fluctuation parameter threshold value, judging that the voltage fluctuation of the pulse field ablation equipment is normal in the target period;
if the voltage fluctuation parameter is more than or equal to the voltage fluctuation parameter threshold, judging that the voltage fluctuation of the pulse field ablation equipment is abnormal in the target period.
As a further scheme of the invention: the method for acquiring the sub-period in the target period comprises the following steps:
Based on the intersection situation between the voltage fluctuation curve of the voltage fluctuation diagram and the preset voltage straight line, the area between every two adjacent intersection points between the voltage fluctuation curve and the preset voltage straight line is marked as a sub-period.
As a further scheme of the invention: the method for obtaining the sum of the parameters of the voltage wave sub-units comprises the following steps:
Acquiring the area of an area surrounded by a voltage fluctuation curve and a preset voltage straight line in a sub-period, so as to acquire a sub-area surrounded parameter, marking the ratio of the sub-area surrounded parameter to a sub-area surrounded parameter threshold as a voltage wave sub-parameter, acquiring the voltage wave sub-parameter of the sub-period every time the voltage fluctuation curve and the preset voltage straight line meet with time, and simultaneously calculating the sum of the voltage wave sub-parameters in the current period;
The calculation method of the sum of the parameters of the voltage wave sub-units comprises the following steps: and summing all the voltage wave sub-parameters in the current period, wherein the sum obtained is the sum of the voltage wave sub-parameters.
As a further scheme of the invention: the specific method for preventing the abnormal voltage fluctuation of the pulse field ablation equipment in the target period comprises the following steps:
c1: calculating to obtain a deviation total value based on the condition that the predicted pulse field ablation equipment is abnormal in voltage fluctuation in a target period;
c2: and comparing and analyzing the deviation total value so as to judge whether the voltage fluctuation of the pulse field ablation equipment in the target period is regular fluctuation or not.
As a further scheme of the invention: the calculation method of the total deviation value comprises the following steps:
under the condition that the voltage fluctuation of the predicted pulse field ablation equipment in the target period is abnormal, acquiring the obtained voltage wave subparameters in the target period, carrying out difference calculation on every two adjacent voltage wave subparameters to obtain voltage wave subparameter deviation values, and then carrying out summation calculation on absolute values of all the voltage wave subparameter deviation values to obtain a deviation total value.
As a further scheme of the invention: the method further comprises the steps of:
presetting a deviation total value threshold value, and comparing and analyzing the deviation total value and the deviation total value threshold value;
If the deviation total value is less than or equal to the deviation total value threshold value, judging that the voltage fluctuation of the pulse field ablation equipment in the target period is regular fluctuation;
If the deviation total value is larger than the deviation total value threshold value, the voltage fluctuation of the pulse field ablation equipment in the target period is judged to be not regular fluctuation.
In a second aspect, the present invention provides a pulsed field ablation system for the vestibule of a pulmonary vein, implementing a method as described in any one of the above methods, comprising:
The fluctuation abnormality detection module is used for monitoring the voltage of the pulse field ablation equipment in real time in the pulse field ablation process and judging whether the voltage fluctuation of the pulse field ablation equipment in a target period is abnormal or not;
The fluctuation anomaly prediction module is used for further analyzing the voltage fluctuation so as to predict whether the voltage fluctuation of the pulse field ablation equipment in the target period is abnormal or not, and the specific method comprises the following steps:
b1: obtaining a sub-period in a target period, and obtaining a sum of a plurality of voltage wave sub-parameters;
B2: based on a two-dimensional coordinate system established by taking the sum of the voltage wave sub-parameters obtained each time in a target period as a coordinate point, taking time as an X axis and taking the sum of the voltage wave sub-parameters as a Y axis, drawing a voltage fluctuation prediction graph, drawing a fitting straight line according to all points of the voltage fluctuation prediction graph by a least square method, and obtaining an equation of the fitting straight line: Wherein X is expressed as time, Y is expressed as sum of parameters of the voltage wave sub-unit, k is slope of the fitting straight line, b is intercept of the fitting straight line, and k and b are constant values;
b3: substituting the ending time of the target period into a fitting linear equation, thereby obtaining a predicted voltage wave sub-parameter sum at the ending of one target period, and marking the predicted voltage wave sub-parameter sum as a voltage fluctuation predicted parameter;
B4: comparing and analyzing the voltage fluctuation prediction parameters so as to predict whether the voltage fluctuation of the pulse field ablation equipment is abnormal in a target period;
Comparing and analyzing the voltage fluctuation prediction parameter with a voltage fluctuation parameter threshold;
if the voltage fluctuation prediction parameter is smaller than the voltage fluctuation parameter threshold value, predicting that the voltage fluctuation of the pulse field ablation equipment is normal in the target period;
If the voltage fluctuation prediction parameter is more than or equal to the voltage fluctuation parameter threshold, predicting that the voltage fluctuation of the pulse field ablation equipment is abnormal in the target period;
The prediction fluctuation abnormality processing module is used for analyzing the voltage fluctuation condition in the target period based on the condition that the prediction pulse field ablation device is abnormal in the voltage fluctuation in the target period, so that the condition that the pulse field ablation device is abnormal in the voltage fluctuation in the target period is prevented.
The invention has the beneficial effects that:
according to the invention, whether the voltage fluctuation of the pulse field ablation equipment in the target period is abnormal or not is judged, so that when the voltage fluctuation of the pulse field ablation equipment in the target period is judged to be abnormal, the operation is stopped in time, and the safety inspection is performed, so that the voltage of the pulse field ablation equipment is prevented from being severely or continuously fluctuated, and the stability and the safety of the pulse field ablation process are ensured;
The method and the device help to early warn and take necessary measures in advance when the voltage fluctuation of the pulse field ablation device in the target period is predicted to be abnormal by predicting whether the voltage fluctuation of the pulse field ablation device in the target period is abnormal, so that the problems of operation interruption and safety caused by the abnormal voltage fluctuation are prevented.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a flow chart of a method of determining whether a pulse field ablation device is abnormal in voltage fluctuation within a target period in accordance with the present invention;
FIG. 3 is a flow chart of a method for predicting whether the voltage fluctuation of the pulse field ablation device is abnormal in a target period in the invention;
Fig. 4 is a schematic diagram of the system of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-3, a pulse field ablation method for the vestibule of a pulmonary vein according to an embodiment of the present invention includes:
the stability of the voltage is one of key factors in the pulse field ablation process, the fluctuation of the voltage can cause the unstable intensity of the pulse electric field, namely the unstable ablation energy, in the ablation process, if the voltage suddenly rises or falls, the tissue of an ablation area is excessively or insufficiently damaged, thereby affecting the operation effect, increasing the risk and uncertainty of the operation, so that the unstable voltage can cause the undefined ablation boundary, increasing the risk of damaging surrounding normal tissues, in addition, the fluctuation of the voltage can also affect the stability and reliability of the ablation equipment, increasing the risk of equipment faults, and further threatening the safety and success rate of the operation;
therefore, in order to ensure the stability and safety of the pulse field ablation process of the pulmonary vein vestibule, the influence of voltage fluctuation needs to be reduced in the pulse field ablation process, and the specific method comprises the following steps:
Step one: in order to prevent the voltage of the pulse field ablation device from violent or continuous fluctuation, thereby affecting the stability and safety of the pulse field ablation process, monitoring the voltage of the pulse field ablation device in real time in the pulse field ablation process, judging whether the voltage fluctuation of the pulse field ablation device in a target period is abnormal, stopping the operation in time when the voltage fluctuation of the pulse field ablation device in the target period is abnormal, and performing safety inspection;
Wherein the target period comprises: 1 second, 2 seconds;
The specific method for monitoring the voltage of the pulse field ablation device in real time in the pulse field ablation process and judging whether the voltage fluctuation of the pulse field ablation device in a target period is abnormal comprises the following steps:
A1: the method comprises the steps of monitoring the voltage of pulse field ablation equipment in real time in the process of pulse field ablation, so that the real-time voltage of the pulse field ablation equipment is obtained, and knowing the real-time state of the voltage of the pulse field ablation equipment through continuous voltage monitoring, so that basic data are provided for subsequent analysis and judgment;
A2: based on a two-dimensional coordinate system with time as an X axis and real-time voltage as a Y axis, a voltage fluctuation graph is established, and a voltage fluctuation curve is drawn, so that the change trend of voltage along with time is intuitively observed through the voltage fluctuation graph, and the condition of voltage fluctuation is more easily found;
A3: drawing a preset voltage straight line which is parallel to the X axis and has a Y-axis value as a preset voltage based on the voltage fluctuation curve, wherein the preset voltage straight line is used as a reference for judging whether the voltage fluctuation is abnormal or not;
Wherein, the preset voltage is: a voltage value of pulse field ablation equipment in an ideal state in the process of pulse field ablation;
A4: acquiring the area of an enclosing area between a voltage fluctuation curve and a preset voltage straight line in a target period, so as to acquire an enclosing area parameter, and marking the ratio of the enclosing area parameter to an enclosing area parameter threshold as the voltage fluctuation parameter;
it should be noted that, the larger the value of the voltage fluctuation parameter is, the larger the voltage fluctuation degree of the pulse field ablation device is in the target period, so that the subsequent judgment and analysis are convenient;
A5: comparing and analyzing the voltage fluctuation parameters so as to judge whether the voltage fluctuation of the pulse field ablation equipment is abnormal in a target period;
Presetting a voltage fluctuation parameter threshold, and comparing and analyzing the voltage fluctuation parameter and the voltage fluctuation parameter threshold;
if the voltage fluctuation parameter is smaller than the voltage fluctuation parameter threshold value, judging that the voltage fluctuation of the pulse field ablation equipment is normal in the target period;
If the voltage fluctuation parameter is more than or equal to the voltage fluctuation parameter threshold, judging that the voltage fluctuation of the pulse field ablation equipment is abnormal in the target period, namely that the voltage of the pulse field ablation equipment is severely or continuously fluctuated in the target period, influencing the pulse field ablation process, stopping the operation in time, and performing safety inspection;
Step two: in order to prevent the abnormality of the voltage fluctuation of the pulse field ablation device in the first step in the target period, thereby causing the need of stopping the operation and performing safety inspection, the voltage fluctuation needs to be further analyzed, so as to predict whether the voltage fluctuation of the pulse field ablation device in the target period is abnormal, thereby being beneficial to early warning in advance and taking necessary measures to prevent the operation interruption and the safety problem caused by the abnormality of the voltage fluctuation, the specific method is as follows:
B1: marking a region between every two adjacent intersection points between the voltage fluctuation curve and the preset voltage straight line as a sub-period based on the intersection condition between the voltage fluctuation curve of the voltage fluctuation diagram and the preset voltage straight line;
it should be noted that: each sub-period represents one complete fluctuation between a voltage fluctuation curve and a preset voltage straight line, and the whole target period is subdivided into a plurality of sub-periods, so that the change mode of the voltage fluctuation is analyzed more carefully;
B2: acquiring the area of an area surrounded by a voltage fluctuation curve and a preset voltage straight line in a sub-period, so as to acquire a sub-area surrounded parameter, marking the ratio of the sub-area surrounded parameter to a sub-area surrounded parameter threshold as a voltage wave sub-parameter, acquiring the voltage wave sub-parameter of the sub-period every time the voltage fluctuation curve and the preset voltage straight line meet with time, and simultaneously calculating the sum of the voltage wave sub-parameters in the current period;
the calculation method of the sum of the parameters of the voltage wave sub-units comprises the following steps: summing all the voltage wave sub-parameters in the current period, wherein the sum obtained is the sum of the voltage wave sub-parameters;
b3: based on a two-dimensional coordinate system established by taking the sum of the voltage wave sub-parameters obtained each time in a target period as a coordinate point, taking time as an X axis and taking the sum of the voltage wave sub-parameters as a Y axis, drawing a voltage fluctuation prediction graph, drawing a fitting straight line according to all points of the voltage fluctuation prediction graph by a least square method, and obtaining an equation of the fitting straight line: Wherein X is expressed as time, Y is expressed as sum of parameters of the voltage wave sub-unit, k is slope of the fitting straight line, b is intercept of the fitting straight line, and k and b are constant values;
predicting future voltage fluctuation trend by utilizing historical data, namely the sum of the voltage wave sub-parameters of each sub-period, wherein the rule of the change of the sum of the voltage wave sub-parameters along with time can be reflected by a fitting straight line drawn by a least square method, so that the prediction of the voltage fluctuation parameters at the end of the period is facilitated;
B4: substituting the ending time of the target period into a fitting linear equation, thereby obtaining a predicted voltage wave sub-parameter sum at the ending of one target period, and marking the predicted voltage wave sub-parameter sum as a voltage fluctuation predicted parameter;
B5: comparing and analyzing the voltage fluctuation prediction parameters so as to predict whether the voltage fluctuation of the pulse field ablation equipment is abnormal in a target period;
Comparing and analyzing the voltage fluctuation prediction parameter with a voltage fluctuation parameter threshold;
if the voltage fluctuation prediction parameter is smaller than the voltage fluctuation parameter threshold value, predicting that the voltage fluctuation of the pulse field ablation equipment is normal in the target period;
If the voltage fluctuation prediction parameter is more than or equal to the voltage fluctuation parameter threshold, predicting that the voltage fluctuation of the pulse field ablation equipment is abnormal in a target period, thereby being beneficial to early warning and taking necessary measures to prevent surgical interruption and safety problems caused by the abnormal voltage fluctuation;
Step three: based on the condition that the voltage fluctuation of the pulse field ablation equipment in the target period is predicted in the second step, the occurrence of the voltage fluctuation abnormality of the pulse field ablation equipment in the target period needs to be prevented, so that the influence on the stability and the safety of the pulse field ablation process is prevented, the voltage fluctuation condition in the target period is analyzed based on the condition that the voltage fluctuation of the pulse field ablation equipment in the target period is predicted, and the occurrence of the voltage fluctuation abnormality of the pulse field ablation equipment in the target period is prevented, and the specific method comprises the following steps:
C1: acquiring obtained voltage wave subparameters in a target period based on the condition that the voltage fluctuation of the predicted pulse field ablation equipment in the target period is abnormal, performing difference calculation on every two adjacent voltage wave subparameters to obtain voltage wave subparameter deviation values, and then performing summation calculation on absolute values of all the voltage wave subparameter deviation values to obtain a deviation total value;
C2: comparing and analyzing the total deviation value so as to judge whether the voltage fluctuation of the pulse field ablation equipment in the target period is regular fluctuation or not;
presetting a deviation total value threshold value, and comparing and analyzing the deviation total value and the deviation total value threshold value;
If the deviation total value is less than or equal to the deviation total value threshold value, judging that the voltage fluctuation of the pulse field ablation equipment in the target period is regular fluctuation, and correcting the voltage of the pulse field ablation equipment according to the fluctuation rule of the voltage of the pulse field ablation equipment in the target period, so that the voltage stability of the pulse field ablation equipment in the subsequent time of the target period is ensured, and the abnormal condition of the voltage fluctuation of the pulse field ablation equipment in the target period is avoided;
If the total deviation value is larger than the total deviation value threshold, judging that the voltage fluctuation of the pulse field ablation equipment in the target period is not regular fluctuation, and stopping operation is needed to avoid the abnormal condition of the voltage fluctuation of the pulse field ablation equipment in the target period.
Embodiment two:
On the basis of the first embodiment, referring to fig. 4, a pulse field ablation system for the vestibule of a pulmonary vein according to an embodiment of the present invention includes:
the fluctuation anomaly detection module is used for monitoring the voltage of the pulse field ablation equipment in real time in the pulse field ablation process and judging whether the voltage fluctuation of the pulse field ablation equipment in a target period is abnormal or not;
The fluctuation anomaly prediction module is used for further analyzing the voltage fluctuation so as to predict whether the voltage fluctuation of the pulse field ablation equipment in the target period is abnormal or not;
The predicted fluctuation abnormality processing module is used for analyzing the voltage fluctuation situation in the target period based on the condition that the predicted pulse field ablation device is abnormal in the voltage fluctuation in the target period, so that the condition that the pulse field ablation device is abnormal in the voltage fluctuation in the target period is prevented.
The size of the threshold is set for convenience of comparison, and the size of the threshold depends on the number of sample data and the number of cardinalities set for each group of sample data by a person skilled in the art;
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (1)
1. A pulsed field ablation system for the vestibule of a pulmonary vein, comprising:
The fluctuation abnormality detection module is used for monitoring the voltage of the pulse field ablation equipment in real time in the pulse field ablation process and judging whether the voltage fluctuation of the pulse field ablation equipment in a target period is abnormal or not;
The fluctuation anomaly prediction module is used for further analyzing the voltage fluctuation so as to predict whether the voltage fluctuation of the pulse field ablation equipment in the target period is abnormal or not, and the specific method comprises the following steps:
b1: obtaining a sub-period in a target period, and obtaining a sum of a plurality of voltage wave sub-parameters;
B2: drawing a voltage fluctuation prediction graph, and obtaining a fitting straight line: Wherein X is expressed as time, Y is expressed as sum of parameters of the voltage wave sub-unit, k is slope of the fitting straight line, b is intercept of the fitting straight line, and k and b are constant values;
b3: substituting the ending time of the target period into a fitting linear equation, thereby obtaining a predicted voltage wave sub-parameter sum at the ending of one target period, and marking the predicted voltage wave sub-parameter sum as a voltage fluctuation predicted parameter;
B4: comparing and analyzing the voltage fluctuation prediction parameters so as to predict whether the voltage fluctuation of the pulse field ablation equipment is abnormal in a target period;
Comparing and analyzing the voltage fluctuation prediction parameter with a voltage fluctuation parameter threshold;
if the voltage fluctuation prediction parameter is smaller than the voltage fluctuation parameter threshold value, predicting that the voltage fluctuation of the pulse field ablation equipment is normal in the target period;
If the voltage fluctuation prediction parameter is more than or equal to the voltage fluctuation parameter threshold, predicting that the voltage fluctuation of the pulse field ablation equipment is abnormal in the target period;
The prediction fluctuation abnormality processing module is used for analyzing the voltage fluctuation condition in the target period based on the condition that the prediction pulse field ablation device is abnormal in the voltage fluctuation in the target period, so that the condition that the pulse field ablation device is abnormal in the voltage fluctuation in the target period is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411058947.8A CN118557277B (en) | 2024-08-02 | 2024-08-02 | Pulse field ablation method and system for pulmonary vein vestibule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411058947.8A CN118557277B (en) | 2024-08-02 | 2024-08-02 | Pulse field ablation method and system for pulmonary vein vestibule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118557277A CN118557277A (en) | 2024-08-30 |
| CN118557277B true CN118557277B (en) | 2024-10-18 |
Family
ID=92469806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411058947.8A Active CN118557277B (en) | 2024-08-02 | 2024-08-02 | Pulse field ablation method and system for pulmonary vein vestibule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118557277B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2769316A1 (en) * | 2011-02-25 | 2012-08-25 | Tyco Healthcare Group Lp | System and method for detecting and suppressing arc formation during an electrosurgical procedure |
| WO2022028337A1 (en) * | 2020-08-07 | 2022-02-10 | 上海微创电生理医疗科技股份有限公司 | Pulse ablation device and system, parameter setting method and readable storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2860636A1 (en) * | 2012-01-10 | 2013-07-18 | Boston Scientific Scimed, Inc. | Electrophysiology system |
| CN112039178B (en) * | 2020-08-31 | 2022-05-13 | 赛诺微医疗科技（浙江）有限公司 | Control method and device for irreversible electroporation ablation device |
| CN219304462U (en) * | 2022-12-09 | 2023-07-04 | 上海圣达济医疗科技有限公司 | Protection circuit and pulse ablation device |
| WO2024127133A1 (en) * | 2022-12-14 | 2024-06-20 | Medtronic, Inc. | Abnormal pulse delivery protection for pulsed field ablation systems |
-
2024
- 2024-08-02 CN CN202411058947.8A patent/CN118557277B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2769316A1 (en) * | 2011-02-25 | 2012-08-25 | Tyco Healthcare Group Lp | System and method for detecting and suppressing arc formation during an electrosurgical procedure |
| WO2022028337A1 (en) * | 2020-08-07 | 2022-02-10 | 上海微创电生理医疗科技股份有限公司 | Pulse ablation device and system, parameter setting method and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118557277A (en) | 2024-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108318786B (en) | A method and device for identifying the aging risk of cable line insulation in distribution network | |
| CN117349778A (en) | Online real-time monitoring system of consumer based on thing networking | |
| CN116226766B (en) | High-voltage electrical apparatus running state monitoring system | |
| CN116086537B (en) | Equipment state monitoring method, device, equipment and storage medium | |
| JPH11338848A (en) | Data abnormality detection device | |
| CN118071158B (en) | Intelligent hydraulic engineering early warning system based on intelligent sensing and data fusion | |
| Yu et al. | Application of arc plasma spectral information in the monitor of Al–Mg alloy pulsed GTAW penetration status based on fuzzy logic system | |
| KR20200053414A (en) | Wire disconnection prediction device | |
| CN118557277B (en) | Pulse field ablation method and system for pulmonary vein vestibule | |
| CN116107194B (en) | Automatic switching control method, device and equipment of laser and storage medium | |
| Molleda et al. | A fast and robust decision support system for in-line quality assessment of resistance seam welds in the steelmaking industry | |
| CN109406923A (en) | A kind of power supply system of train earth leakage failure prediction method and device | |
| CN119199627A (en) | A test monitoring method and system for a combined transformer test power supply | |
| CN119441909A (en) | A vacuum equipment health diagnosis method and electronic device based on deep learning | |
| CN116612121B (en) | Transformer fault rapid detection method based on artificial intelligence | |
| CN117092548A (en) | Method and device for detecting faults of polar plate circuit in electrolysis workshop | |
| CN115219862B (en) | Space arc fault detection method, system and storage medium | |
| CN116449898B (en) | Remote temperature and humidity control system for switch cabinet | |
| EP1769875A1 (en) | Method and device for monitoring a spot welding process | |
| CN115615929B (en) | Mechanical part surface defect detection method and system based on laser scanning | |
| CN119294275B (en) | Mechanical seal fault early warning method and device, electronic equipment and program product | |
| KR20210016665A (en) | Method and apparatus for determining the risk of deterioration of electrical equipment based on partial discharge | |
| US11047833B2 (en) | Method for automatic determination of trend in graphic analysis of turbomachines | |
| TWI794027B (en) | Turning tool collapse detection system and method thereof | |
| Karandaeva et al. | Partial discharge monitoring data: Statistical processing to assessment transformer condition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |