CN116458993A - Pulse ablation control system - Google Patents
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- 238000002679 ablation Methods 0.000 title claims abstract description 116
- 230000003993 interaction Effects 0.000 claims abstract description 72
- 238000011282 treatment Methods 0.000 claims description 62
- 238000004146 energy storage Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 15
- 230000002159 abnormal effect Effects 0.000 claims description 6
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- 238000002560 therapeutic procedure Methods 0.000 claims 1
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- 210000003492 pulmonary vein Anatomy 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006793 arrhythmia Effects 0.000 description 2
- 206010003119 arrhythmia Diseases 0.000 description 2
- 238000004520 electroporation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000002107 myocardial effect Effects 0.000 description 2
- 238000007674 radiofrequency ablation Methods 0.000 description 2
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- 238000011369 optimal treatment Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- 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
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- 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
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Abstract
The invention relates to a pulse ablation control system, comprising: pulse ablation control device and ablation electrode; the ablation electrode is connected with the pulse ablation control device; the pulse ablation control device includes: the device comprises a power supply module, a main control module, a man-machine interaction module and a pulse forming module; the power supply module is used for providing power for the pulse ablation control system; the man-machine interaction module is used for receiving and sending user instructions and displaying pulse output parameters; the pulse forming module is used for generating high-voltage steep pulses and transmitting the high-voltage steep pulses to the ablation electrode; an ablation electrode is coupled to the pulse forming module, the ablation electrode including a plurality of electrodes that release high voltage steep pulses to patient tissue. The invention adopts the high-voltage steep pulse to release extremely high energy in a short time by generating a high-voltage pulse electric field with a pulse width of microsecond or even nanosecond, and designs a safe and effective control flow for controlling the release of pulse energy, thereby ensuring the safety and reliability in the ablation process.
Description
Technical Field
The invention relates to the technical field of medical devices, in particular to a pulse ablation control system.
Background
The pulse ablation is an ablation mode taking high-pressure steep pulses as energy, has selectivity of ablating tissues, and ablates focuses by adopting a plurality of high-pressure steep pulses released in a short time, so that irreversible electroporation is effectively induced to myocardial cells, cells are ruptured and dead, and the treatment effect is achieved. Because the high-voltage pulse energy generated in the treatment process has a certain danger, a safe and effective control flow is required to be designed in the ablation process to control the release of energy, so that the safety and the reliability of the ablation process are ensured.
The main treatment modes at present are radio frequency ablation and cryoablation technology, and in the treatment process of focus, the treatment is realized by utilizing temperature control, and the control mode has slow response speed and can not effectively select the ablation tissue, so that the accurate control degree which can be achieved in the treatment process is not ideal. If the ablation is not thorough, sequelae or other complications can be caused; if the ablation area is too large, normal cells are damaged, resulting in unnecessary damage.
Disclosure of Invention
In order to improve the defects in the prior art, the application adopts a novel technology for treating arrhythmia by using high-voltage steep pulses aiming at the treatment defects which cannot be avoided by the current several ablation technologies. The high-voltage steep pulse technology is to release extremely high energy in a short time by generating a high-voltage pulse electric field with a pulse width of microsecond or even nanosecond, and design a safe and effective control flow for controlling the release of pulse energy so as to ensure the safety and reliability in the ablation process.
The invention provides the following technical scheme:
in a pulsed ablation control system, the improvement comprising: pulse ablation control device and ablation electrode;
the ablation electrode is connected with the pulse ablation control device;
the pulse ablation control device includes: the device comprises a power supply module, a main control module, a man-machine interaction module and a pulse forming module; the main control module is respectively connected with the power supply module, the man-machine interaction module and the pulse forming module;
the power supply module is used for providing power for the pulse ablation control system;
the man-machine interaction module comprises a display module, a control module and a control module, wherein the display module is used for receiving and sending user instructions and displaying pulse output parameters;
the pulse forming module is used for generating high-voltage steep pulses and transmitting the high-voltage steep pulses to the ablation electrode;
the ablation electrode is coupled to the pulse forming module, the ablation electrode including a plurality of electrodes that release high voltage steep pulses to patient tissue.
Preferably, the pulse forming module comprises a high-voltage power supply module, a high-voltage energy storage module, an inversion module and an electrode switching module which are connected in sequence;
the main control module sends a control enabling signal and a parameter setting signal to the high-voltage power supply module, and enables the high-voltage power supply module to output a corresponding voltage value;
the high-voltage energy storage module is used for storing energy of high voltage output by the high-voltage power supply module;
the inversion module inverts the electric signal sent by the main control unit and then provides the electric signal for the electrode switching module, and simultaneously the inversion module sends a high-voltage pulse signal to the electrode switching module by utilizing the high voltage of the high-voltage energy storage module so that the inversion module can output high-voltage steep pulses;
the electrode switching module receives the high-voltage steep pulse output by the inversion module, and realizes the discharge of different electrode pairs of the ablation electrode.
Preferably, the electrode switching module receives the high-voltage steep pulse output by the inversion module, and realizes the discharge of different electrode pairs of the ablation electrode, including:
the inversion module is connected with the electrode switching module, the electrode switching module comprises a plurality of discharge circuits, each discharge circuit corresponds to one electrode respectively, and selective discharge of different electrode pairs is realized by switching any pair of electrodes.
Preferably, after receiving the parameters set by the user, the man-machine interaction module sends a self-checking instruction to the main control module to perform self-checking; after the self-checking is finished, the man-machine interaction module sends a system operation normal instruction to the main control module; the man-machine interaction module receives patient information and treatment information and sends the treatment information to the main control module; the main control module sends the patient information and treatment information to the pulse forming module; the pulse forming module feeds back a pulse signal to the man-machine interaction module, and the man-machine interaction module displays the release voltage, the impedance value and the ablation state.
Preferably, the main control module detects whether the man-machine interaction module, the pulse forming module and the ablation electrode are in normal operation or not; if the detection is normal, the man-machine interaction module, the pulse forming module and the ablation electrode operate normally; if the detection is abnormal, the main control module sends an abnormal operation instruction to the man-machine interaction module, and the man-machine interaction module displays an alarm signal.
Preferably, the user instruction includes patient information and treatment information set in the man-machine interaction module; the treatment information includes a treatment parameter, an output voltage parameter, and a treatment site.
Preferably, the treatment parameters include at least one of: pulse voltage parameters, pulse number, pulse group number, pulse interval, pulse width, pulse period.
Preferably, setting the pulse voltage parameter includes: and setting a voltage value in the man-machine interaction unit, transmitting and sending the voltage value to the main control module, wherein the main control module controls the high-voltage power supply to output the voltage value, and charging the high-voltage energy storage module.
Preferably, setting the pulse number includes: the number of single pulse voltage output pulses is set in a man-machine interaction module, the man-machine interaction module transmits the pulse output instruction to the main control module, and the main control module controls the inversion module to generate pulses with corresponding number.
Preferably, the electrode pair number is set in the man-machine interaction module, and an instruction containing the electrode pair number is sent to the main control unit, and the main control unit outputs a signal for controlling electrode switching to the inversion module so as to realize the selection of different electrode pairs for discharging.
Compared with the closest prior art, the invention has the following advantages:
the invention can realize accurate selection of ablation tissues, can realize accurate control in the treatment process, and can input accurate voltage values with the accuracy of +/-10%. Can reach the state of complete ablation, has obvious treatment effect, does not damage normal cells, and can not cause sequelae or other complications.
The electrode switching module adopted in the control flow related to the application can be switched between any two electrodes of the catheter, so that the action area of the high-voltage pulse electric field is flexibly controlled to adapt to different focus forms, and focus cell ablation is effectively realized.
The method achieves better ablation effect, meets the characteristics of cells of different treatment positions, and designs the optimal voltage parameters in the control flow to ensure the ablation effect and meet the characteristics of cells of different treatment positions.
Based on clinical requirements and ablation effects, the control flow of the invention carries out optimal parameter matching on the number, the number of groups, the interval, the pulse width and the period of the output pulses, and better meets the clinical requirements and the treatment effects.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. Wherein:
FIG. 1 is a schematic diagram of a pulse ablation system in a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a pulse forming module in accordance with a preferred embodiment of the present invention;
FIG. 3 is a block diagram of a control flow of a pulse ablation system in a preferred embodiment of the present invention
FIG. 4 is a schematic illustration of a pulse ablation system beginning a treatment procedure in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic flow diagram of a surgical mode of a pulse ablation system in accordance with a preferred embodiment of the present invention;
wherein, 10-pulse ablation control device; 20-an ablation electrode.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
The pulse ablation is an ablation mode taking high-pressure steep pulses as energy, has selectivity of ablating tissues, and ablates focuses by adopting a plurality of high-pressure steep pulses released in a short time, so that irreversible electroporation is effectively induced to myocardial cells, cells are ruptured and dead, and the treatment effect is achieved. Because the high-voltage pulse energy generated in the treatment process has a certain danger, a safe and effective control flow is required to be designed in the ablation process to control the release of the energy, so that the safety and the reliability of the ablation process are ensured.
The main treatment modes at present are radio frequency ablation and cryoablation technology, and in the treatment process of focus, the treatment is realized by utilizing temperature control, the control mode has slow response speed and can not effectively select the ablation tissue, so that the degree of accurate control is not ideal in the treatment process, and sequelae or other complications can be caused if the ablation is not thorough; if the ablation area is too large, normal cells are damaged, resulting in unnecessary damage.
The invention relates to a novel technology for treating arrhythmia by using high-voltage steep pulse in view of the treatment defects which cannot be avoided by the current ablation technologies. The high-voltage pulse technology is to release extremely high energy in a short time by generating a high-voltage pulse electric field with a pulse width of microsecond or even nanosecond, and design a safe and effective control flow for controlling the release of pulse energy so as to ensure the safety and reliability in the ablation process.
The release of high voltage pulse is usually between a set of 2 electrodes, so that the formed high voltage pulse electric field is based on the space between two electrodes, and according to the characteristics of clinical symptoms, an electrode switching module adopted in the control flow related to the application can be switched between any two electrodes of the catheter, so that the action area of the high voltage pulse electric field is flexibly controlled to adapt to different focus forms, and focus cell ablation is effectively realized.
In addition, through analysis of different treatment positions and clinical related data, the voltage parameters are critical factors for influencing the ablation effect, so that in order to achieve better ablation effect and simultaneously meet the cell characteristics of different treatment positions, the optimal voltage parameters are designed in the control flow so as to ensure the ablation effect and meet the cell characteristics of different treatment positions.
Based on clinical requirements and ablation effects, optimal parameter matching is performed on the number, the number of groups, the interval, the pulse width and the period of the output pulses in the control flow, so that the clinical requirements and the treatment effects can be better met.
As shown in fig. 1, the present invention relates to a pulse ablation control system comprising: interconnected pulsed ablation control 10 and ablation electrode 20.
Control of the system needs to be achieved by the various modules. Accordingly, the pulse ablation control apparatus 10 includes: the device comprises a power supply module, a main control module, a man-machine interaction module and a pulse forming module; the main control unit is used for realizing control and interaction of the whole system and is respectively connected with the power supply module, the man-machine interaction module and the pulse forming module.
The power supply module is used for providing power for the pulse ablation control system and is used for realizing power supply of the whole system.
The man-machine interaction module comprises a display module which is used for receiving and sending user instructions and displaying pulse output parameters. Specific: the man-machine interaction unit can realize the display and operation of the system interface. The display module comprises a display, and a user can set treatment parameters at the man-machine interaction module and send instructions to the main control module. Wherein the pulse output parameters include: voltage current parameters and patient information related parameters.
The pulse forming module is configured to generate a high voltage steep pulse and deliver the high voltage steep pulse to the ablation electrode 20.
The ablation electrode 20 is coupled to the pulse forming module, the ablation electrode 20 comprising a plurality of electrodes that deliver high voltage steep pulses to patient tissue.
In a preferred embodiment of the present application, the power module completes the power-on after receiving the power signal; after receiving parameters set by a user, the man-machine interaction module sends a self-checking instruction to the main control module through a serial port; the main control module sends a self-checking instruction to the man-machine interaction module, the pulse forming module and the ablation electrode 20 for self-checking. The method comprises the following steps: the main control module detects whether the man-machine interaction module, the pulse forming module and the ablation electrode 20 are in normal operation; if the detection is normal, the operation is normal; if the detection is abnormal, the main control module sends an abnormal operation instruction to the man-machine interaction module, and the man-machine interaction module displays an alarm signal.
After the self-checking is finished, the man-machine interaction module sends a normal system operation instruction to the main control module, and the system enters an operation state. The display module displays an input interface of patient information and treatment information so that an operator can input the patient information and treatment parameters in the man-machine interaction module; the man-machine interaction module sends treatment parameters to the main control module; the main control module transmits the treatment parameters to the pulse forming module; the pulse forming module feeds back a pulse signal to the man-machine interaction module, and the man-machine interaction module displays the release voltage, the impedance value and the ablation state.
Specifically, as shown in fig. 3 to 5, the control flow of the present application is as follows:
step S1, starting up, namely turning on a power switch and lighting a display screen, and finishing starting up after the power module receives a power starting signal. The pulse ablation control system enters step S2 to perform self-checking, specifically, the power module starts the main control module, the man-machine interaction module sends a self-checking instruction to perform self-checking on the man-machine interaction module, the pulse forming module and the ablation electrode 20, the self-checking includes not only checking whether the output of the pulse is normal, checking whether the connection of the catheter is normal, and the like, after the system enters the self-checking program, the percentage progress bar is displayed in the man-machine interaction module, if the self-checking fails, the displayed percentage progress bar is in a stagnation state, and meanwhile, the man-machine interaction module alarms to display the specific position of the fault.
When the progress bar is displayed as one hundred percent, the system self-test is completed and the process proceeds to step S3 to start the treatment. Step S3 of starting the treatment includes step S31 of patient information input and step S32 of entering a surgical mode. Specifically, step S31 is input of patient information in the human-computer interaction module. Including entering information on the patient's name, age, ID, sex, etc. After the patient information is confirmed, the main control module starts step S32 to enter the operation mode. Step S32 includes: step S321 sets the optimal treatment parameters that are preset and matched in the man-machine interaction module, step S322 sets the output voltage, and step S323 sets the treatment site. The optimal matching parameters are obtained through early-stage experiment verification, the parameter setting is preset in the main control module, and a plurality of groups of optimal parameters can be selected during treatment. Step S321 includes: pulse voltage parameters, number of pulses, number of pulse groups, pulse spacing, pulse width, and pulse period. Step S323 sets the treatment sites that can be selected from the LSPV left superior pulmonary vein, LIPV left inferior pulmonary vein, RSPV right superior pulmonary vein, RIPV right inferior pulmonary vein, and other treatment sites. After the setting and the selection are completed, a confirmation key of the man-machine interaction module is clicked, an energy enabling key or an energy output key is used for enabling the pulse forming module to enter a treatment process, and meanwhile the man-machine interaction module enters a step S4 to display the ablation state. The ablation state includes: the total duration state of pulse ablation is displayed from the beginning of treatment to the end of treatment, and the real-time impedance information state of voltage and current feedback is acquired through an ADC in the main control module. Wherein, the real-time impedance information of voltage current feedback includes: the state of the consumable catheter against the tissue of the patient is detected, thereby detecting and obtaining impedance information. If the impedance is within the threshold range, the consumable catheter is in good contact state, otherwise, the treatment effect is affected. When the whole treatment process is finished, clicking an energy stopping button on the man-machine interaction unit, and entering a step S5 to stop the treatment process, so that the ablation operation is finished. Step S6 is performed to shut down the system, and the power switch is turned off.
The treatment process of the step S3 is completed by a pulse forming module,
as shown in fig. 2, in a preferred embodiment of the present invention, the pulse forming module specifically includes a high-voltage power supply module, a high-voltage energy storage module, an inversion module and an electrode switching module, which are sequentially connected;
the main control module sends out a control enabling signal and a high-voltage parameter setting signal to enable the high-voltage power supply to output a corresponding high-voltage value; the method comprises the following steps: the high-voltage power supply module can realize the adjustable output of 500-2000V high-voltage.
The high-voltage energy storage module is used for storing energy of high voltage output by the high-voltage power supply module, and energy storage of output high voltage is achieved.
The inversion module inverts the electric signal sent by the main control unit and then provides the electric signal for the electrode switching module, and simultaneously utilizes the energy storage high voltage of the high-voltage energy storage module to send a high-voltage pulse signal to the electrode switching module; so that the inversion module can realize the output of high-voltage steep pulses;
the electrode switching module receives the high-voltage steep pulse output by the inversion module, and realizes the discharge of different electrode pairs of the ablation electrode 20. The method comprises the following steps: the high-voltage power supply module provides a voltage signal for the high-voltage energy storage module under the control of the main control module; the high-voltage energy storage module releases a voltage signal to the inversion module; the inversion module inverts the voltage signal to obtain high-voltage steep pulse and provides the high-voltage steep pulse to the electrode switching module, and the electrode switching module finally realizes the discharge of the ablation electrode 20 to different electrode pairs.
The user instruction comprises patient information and treatment information set in the man-machine interaction module; the treatment information includes a treatment parameter, an output voltage parameter, and a treatment site.
The treatment parameters include: pulse voltage parameters, pulse number, pulse group number, pulse interval, pulse width, pulse period.
The working process of the high-voltage steep pulse of the present application will be described in detail below:
1. setting a voltage value of the pulse voltage: and setting a voltage value in the man-machine interaction unit, transmitting and sending the voltage value to the main control module by the man-machine interaction unit, and controlling the high-voltage power supply to output the voltage value by the main control module to charge the high-voltage energy storage module. The specific implementation method is as follows: the voltage value is set in the man-machine interaction unit, the man-machine interaction unit transmits the parameter instruction comprising the voltage value to the main control module, the main control module and the high-voltage power supply module send the instruction to the high-voltage power supply module through an IIC (Inter-Integrated Circuit integrated circuit bus) communication mode to control the output voltage of the high-voltage power supply module and charge the high-voltage energy storage module, and the voltage parameter sent to the high-voltage power supply by the main control module is adjustable, so that the voltage output of the high-voltage power supply is adjustable.
2. The number of pulses is set, so that the total pulse voltage number can be adjusted, and the number of pulses included in the pulse voltage can be adjusted at one time. The specific implementation method is as follows: the method comprises the steps that the number of single pulse voltage output pulses is set in a man-machine interaction module, the man-machine interaction module transmits instructions to a main control module, the main control module controls an inversion module to generate pulses with corresponding numbers, the number of the pulses is the total number of pulses released at one time, and when the number of the transmitted pulses reaches the set number, high-voltage steep pulse output is stopped.
3. The pulse width is set, and the pulse width can be controlled by the on time controlled by the main control module, so that the on time of the main control module can be set, and the pulse width can be set. The specific implementation method is as follows: the pulse width is set in the man-machine interaction module, an adjusting instruction is sent to the main control module, the main control module outputs a control signal with the pulse width, a driving module on the inversion module is controlled to generate a driving signal, the inversion module is driven to be conducted, and the ablation electrode outputs high-voltage steep pulses with corresponding pulse width.
4. The pulse interval and the pulse period are set, so that the time interval between the two pulses is adjustable, and the pulse period is adjustable. The specific implementation method for adjusting the pulse spacing and the pulse period is as follows: the pulse interval and the pulse period are set in the man-machine interaction module, the pulse interval and the pulse period are transmitted to the main control module through the adjusting instruction, the main control module outputs a control signal with the pulse interval and the pulse period, the driving module on the inversion module is controlled to generate a driving signal, and the relay in the inversion module is driven to be switched on and off, so that the pulse voltage with the pulse interval and the pulse period is generated.
5. The number of pulse groups is set, and the pulse groups at least comprise one pulse. The specific implementation method for setting the pulse group number is as follows: the method comprises the steps of setting the pulse group number in a man-machine interaction module, sending an adjusting instruction to transmit the pulse group number to a main control module, outputting a control signal with the pulse group number by the main control module, controlling a driving module on an inversion module, generating a driving signal, and driving on-off of a relay in the inversion module, so as to generate pulse voltage with the pulse group number.
6. The electrode pair is selected, the inversion module is connected with the electrode switching module, the electrode switching module comprises a plurality of discharge lines, each discharge line corresponds to one electrode respectively, and the electrode pair is marked with a number, so that the selection of different electrode pairs can be realized. The specific implementation method is as follows: setting electrode pair numbers in the man-machine interaction module, sending an instruction containing the electrode pair numbers to the main control unit, outputting a signal for controlling electrode switching to the inversion module by the main control unit, controlling the driving module on the inversion module to generate driving signals, and accordingly driving the on-off of different discharge lines in the electrode switching module to realize the selection of different electrode pairs for discharge.
The plurality of electrodes of the ablation electrode 20 are electrically connected to a pulse forming module that releases pulse ablation energy to one of the plurality of electrodes to perform pulse ablation between a single pair of electrodes when the ablation electrode 20 performs pulse ablation; alternatively, the pulse forming module delivers pulse ablation energy to any pair of electrodes of the plurality of electrodes to perform pulse ablation between any pair of electrodes. The main control module controls the relay switch corresponding to the electrode switching module to be closed through the inversion module to realize electrode switching of any pair, so that a high-voltage pulse electric field acts on different focus areas to realize better ablation effect.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as providing for the use of additional embodiments and advantages of all such modifications, equivalents, improvements and similar to the present invention are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. A pulsed ablation control system, the system comprising: pulse ablation control device and ablation electrode;
the ablation electrode is connected with the pulse ablation control device;
the pulse ablation control device includes: the device comprises a power supply module, a main control module, a man-machine interaction module and a pulse forming module; the main control module is respectively connected with the power supply module, the man-machine interaction module and the pulse forming module;
the power supply module is used for providing power for the pulse ablation control system;
the man-machine interaction module comprises a display module, a control module and a control module, wherein the display module is used for receiving and sending user instructions and displaying pulse output parameters;
the pulse forming module is used for generating high-voltage steep pulses and transmitting the high-voltage steep pulses to the ablation electrode;
the ablation electrode is coupled to the pulse forming module, the ablation electrode including a plurality of electrodes that release high voltage steep pulses to patient tissue.
2. The pulse ablation control system of claim 1, wherein the pulse forming module comprises a high voltage power supply module, a high voltage energy storage module, an inversion module, and an electrode switching module connected in sequence;
the main control module sends a control enabling signal and a parameter setting signal to the high-voltage power supply module, and enables the high-voltage power supply module to output a corresponding voltage value;
the high-voltage energy storage module is used for storing energy of high voltage output by the high-voltage power supply module;
the inversion module inverts the electric signal sent by the main control unit and then provides the electric signal for the electrode switching module, and simultaneously the inversion module sends a high-voltage pulse signal to the electrode switching module by utilizing the high voltage of the high-voltage energy storage module so that the inversion module can output high-voltage steep pulses;
the electrode switching module receives the high-voltage steep pulse output by the inversion module, and realizes the discharge of different electrode pairs of the ablation electrode.
3. The pulse ablation control system of claim 2, wherein the electrode switching module receives the high voltage steep pulse output by the inversion module to effect discharge of different electrode pairs of the ablation electrode, comprising:
the inversion module is connected with the electrode switching module, the electrode switching module comprises a plurality of discharge circuits, each discharge circuit corresponds to one electrode respectively, and selective discharge of different electrode pairs is realized by switching any pair of electrodes.
4. The pulse ablation control system of claim 1, wherein the human-computer interaction module sends a self-checking instruction to the main control module for self-checking after receiving the parameters set by the user; after the self-checking is finished, the man-machine interaction module sends a system operation normal instruction to the main control module; the man-machine interaction module receives patient information and treatment information and sends the treatment information to the main control module; the main control module sends the patient information and treatment information to the pulse forming module; the pulse forming module feeds back a pulse signal to the man-machine interaction module, and the man-machine interaction module displays the release voltage, the impedance value and the ablation state.
5. The pulse ablation control system of claim 4, wherein the main control module detects whether the man-machine interaction module, the pulse forming module, and the ablation electrode are operating properly; if the detection is normal, the man-machine interaction module, the pulse forming module and the ablation electrode operate normally; if the detection is abnormal, the main control module sends an abnormal operation instruction to the man-machine interaction module, and the man-machine interaction module displays an alarm signal.
6. The pulsed ablation control system of claim 1, wherein the user instructions comprise patient information and therapy information provided in the human-machine interaction module; the treatment information includes a treatment parameter, an output voltage parameter, and a treatment site.
7. The pulsed ablation control system of claim 6, wherein the treatment parameters comprise at least one of: pulse voltage parameters, pulse number, pulse group number, pulse interval, pulse width, pulse period.
8. The pulsed ablation control system of claim 7, wherein setting the pulsed voltage parameter comprises: and setting a voltage value in the man-machine interaction unit, transmitting and sending the voltage value to the main control module, wherein the main control module controls the high-voltage power supply to output the voltage value, and charging the high-voltage energy storage module.
9. The pulse ablation control system of claim 7, wherein setting the number of pulses comprises: the number of single pulse voltage output pulses is set in a man-machine interaction module, the man-machine interaction module transmits the pulse output instruction to the main control module, and the main control module controls the inversion module to generate pulses with corresponding number.
10. The pulse ablation control system of claim 1, wherein electrode pair numbers are set in a human-computer interaction module, and instructions containing the electrode pair numbers are sent to the main control unit, and signals for controlling electrode switching are output to an inversion module by the main control unit so as to realize the selection of different electrode pairs for discharge.
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| CN202310421537.4A CN116458993B (en) | 2023-04-19 | Pulse ablation control system |
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| CN202310421537.4A CN116458993B (en) | 2023-04-19 | Pulse ablation control system |
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