Automatic identification system and device for nanosecond pulse port output

Abstract

The invention is suitable for the technical field of pulse control, and provides a nanosecond pulse port output automatic identification system and device. In the embodiment provided by the invention, for a detection target needing pulse treatment, a control module instructs a nanosecond pulse transmitting module to transmit a detection pulse after switching a port switch every time, and then determines a pulse output port according to an output port detection result corresponding to each detection pulse; when the load impedance detection module determines that the impedance value determined through the pulse output port is not abnormal according to the detection pulse, the load impedance detection module is connected with the detection target through the pulse output port, and then the nanosecond pulse transmitting module is controlled to transmit nanosecond pulses for treatment. The problem that according to an existing partial pulse ablation equipment operating system, connection ports of a pulse ablation module and a detection target are manually selected, and operation errors are possibly caused due to the fact that system manufacturing is complex is solved.

Description

Technical Field

[0001] This application relates to the field of pulse control technology, and in particular to an automatic identification system and device for nanosecond pulse port output. Background Technology

[0002] Steep pulse ablation devices are tumor ablation devices based on irreversible electroporation technology. They destroy the cell membranes of tumor cells through high-voltage short-pulse electric fields, inducing apoptosis. They offer advantages such as being non-thermal, precise, and causing minimal damage to surrounding tissues. To expand the ablation range and improve the integrity and precision of the ablation process, steep pulse ablation devices employ a multi-needle approach and have multiple pulse output ports.

[0003] After selecting the pulse output port, the steep pulse ablation device requires port selection on the system. However, due to the complexity of the system operation, manual port selection on the system may result in incorrect port selection, which can significantly impact the surgical treatment process. Summary of the Invention

[0004] In view of this, this application provides an automatic identification system and device for nanosecond pulse port output to solve the problem of system operation errors and reduce the impact of human error.

[0005] The first aspect of this application provides an automatic identification system for nanosecond pulse port output, the system including a control module, a load impedance detection module, a nanosecond pulse emission module, and an output port testing module; The port testing module is used to receive the first detection pulse signal from the current sensor, then determine the pulse output port and port status through the first detection pulse signal, and generate an output port detection result based on the pulse output port and port status and send it to the control module. The load impedance detection module is used to receive the second detection pulse signal from the current sensor, determine the impedance value of the detection target through the second detection pulse signal, and generate a load impedance detection result based on the impedance value and send it to the control module. The control module is used to control the output port test module to feed back the output port detection result, control the load impedance detection module to feed back the load impedance detection result, and then control the nanosecond pulse emission module to emit a nanosecond pulse signal to the detection target based on the load impedance detection result and the output port detection result. The nanosecond pulse transmitting module is used to send detection pulses and nanosecond pulses according to the instructions of the control module.

[0006] Optionally, according to the system of claim 1, the control module controls the output port test module to receive the first detection pulse signal from the current sensor, and feeds back the output port detection result based on the first detection pulse signal; The pulse output port is determined by the output port detection result, and when the pulse output port is determined to be in normal condition, the load impedance detection module is controlled to receive the second detection pulse signal through the pulse output port, and the load impedance detection result is fed back based on the second detection pulse signal.

[0007] Optionally, determining the pulse output port and port status through the first detection pulse signal includes: By switching the port switch sequentially between the nanosecond pulse emission module and the detection target, and sending a detection pulse to the current sensor after each switch, the current sensor converts the detection pulse into a first detection pulse signal and sends it to the output port test module. Measure the current value of the first detection pulse signal in each group, and determine the port corresponding to the current value that meets the preset conditions as the pulse output port.

[0008] Optionally, the detection pulse and nanosecond pulse sent by the nanosecond pulse transmitting module are bipolar outputs.

[0009] Optionally, the system further includes a port adjustment module, used to re-determine the pulse output port from among the ports when the load impedance detection result determines that the pulse output port does not meet the impedance test requirements.

[0010] A second aspect of this application provides a nanosecond pulse port output automatic identification device, the device comprising: The output port test unit is used to receive the first detection pulse signal of the current sensor, then determine the pulse output port and port status through the first detection pulse signal, and generate the output port detection result based on the pulse output port and port status and send it to the control unit. The load impedance detection unit is used to receive the second detection pulse signal of the current sensor, determine the impedance value of the detection target through the second detection pulse signal, and generate a load impedance detection result based on the impedance value and send it to the control unit. The control unit is used to control the output port test unit to feed back the output port detection result, control the load impedance detection unit to feed back the load impedance detection result, and then control the nanosecond pulse emission unit to emit a nanosecond pulse signal to the detection target based on the load impedance detection result and the output port detection result. The nanosecond pulse transmitting unit is used to send detection pulses and nanosecond pulses according to the instructions of the control unit.

[0011] Optionally, the control unit controls the output port test module to receive the first detection pulse signal from the current sensor, and feeds back the output port detection result based on the first detection pulse signal; The pulse output port is determined by the output port detection result, and when the pulse output port is determined to be in normal condition, the load impedance detection unit is controlled to receive the second detection pulse signal through the pulse output port, and the load impedance detection result is fed back based on the second detection pulse signal.

[0012] Optionally, the determination of the pulse output port and port status by the first detection pulse signal in the output port testing unit includes: The port between the nanosecond pulse emission unit and the detection target is switched sequentially by switching the port switch, and a detection pulse is sent to the current sensor after each switch, so that the current sensor converts the detection pulse into a first detection pulse signal and sends it to the output port test unit. Measure the current value of the first detection pulse signal in each group, and determine the port corresponding to the current value that meets the preset conditions as the pulse output port.

[0013] Optionally, the detection pulse and nanosecond pulse transmitted by the nanosecond pulse transmitting unit are bipolar outputs.

[0014] Optionally, the device further includes: The port adjustment unit is used to re-determine the pulse output port from among the various ports when the pulse output port does not meet the impedance test requirements based on the load impedance detection results.

[0015] In the embodiments provided in this application, for a target requiring pulse therapy, the control module instructs the nanosecond pulse emission module to emit a detection pulse after each port switch. Then, based on the detection results of the output port corresponding to each detection pulse, the pulse output port is determined. If the load impedance detection module determines that the impedance value determined through the pulse output port is not abnormal, it connects to the target through that pulse output port, and then controls the nanosecond pulse emission module to emit nanosecond pulses for treatment. This solves the problem that some existing pulse ablation devices require manual selection of the connection port between the pulse ablation module and the target, which is complex and may lead to operational errors. Attached Figure Description

[0016] Figure 1 A system block diagram provided for embodiments of this application; Figure 2 Structural block diagrams provided for embodiments of this application; Figure 3 This is a structural diagram of the device provided in the embodiments of this application; Figure 4 This is a schematic diagram of the internal structure of a computer device provided in an embodiment of this application. Detailed Implementation

[0017] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0018] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The singular forms “a,” “the,” and “the” used in this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0019] It should be understood that although the terms first, second, third, etc., may be used in this application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to determination."

[0020] This application provides an automatic identification system and device for nanosecond pulse port output to solve the problem of operational errors in the operating system of some pulse ablation devices and reduce the impact of human error.

[0021] The technical solutions of this application will be described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments.

[0022] like Figure 1 The diagram shown is a system block diagram of an automatic identification system for nanosecond pulse port output provided in this application. The functions and implementation processes of each module are described below: Module 1, Port Testing Module. This module receives the first detection pulse signal from the current sensor, determines the pulse output port and port status based on the first detection pulse signal, and generates an output port detection result based on the pulse output port and port status, which is then sent to the control module.

[0023] In this module, the port detection results include the pulse output port and its status. The nanosecond pulse transmission module sends a low-energy, high-frequency test pulse to the circuit containing the output port and the detection target when the switch is turned on. This pulse signal is converted into a corresponding detection pulse signal when it flows through the current sensor. Then, the output port test circuit in this module receives and samples the detection pulse signal through a high-speed ADC to determine the current value of the pulse signal passing through the output port.

[0024] After each detection pulse is sent, the control module switches the port switch again, repeating the above steps to determine the current value of the switched port switch. This process continues until all output ports have been traversed, at which point the target current value is selected from the current values, and its corresponding output port is designated as the pulse output port. Specific methods for selecting the target current value include: first, pre-setting a current value range, determining all current values ​​within this range as meeting the initial requirements, and then randomly selecting one as the target current value. Alternatively, a current preset value can be set, and the current value closest to this preset value can be selected as the target current value. Many other implementation methods exist, which will not be elaborated here. However, it should be noted that the method for selecting the target current value is not a limitation of this embodiment.

[0025] Module 2, Load Impedance Detection Module. This module receives the second detection pulse signal from the current sensor, determines the impedance value of the target object based on the second detection pulse signal, and generates a load impedance detection result based on the impedance value, which is then sent to the control module.

[0026] In this module, the nanosecond pulse transmitting module sends a low-energy, high-frequency test pulse to the output port and the circuit containing the detection target when the switch is turned on. This pulse signal is converted into a corresponding second detection pulse signal when it flows through the current sensor. The load impedance detection circuit in this module receives and samples this second detection pulse signal through a high-speed ADC to determine the current value of the pulse signal passing through the output port. Then, the impedance value of the detection target can be calculated using the impedance calculation formula Z = V / I, where Z is the impedance value, V is the voltage value, and I is the current value.

[0027] After determining the impedance value, the impedance value is compared with the preset impedance range. If it is within the impedance range, the load impedance detection result is determined to meet the requirements; otherwise, it is determined to not meet the requirements. Finally, the load impedance detection result is sent to the control module.

[0028] Module 3, Control Module. This module controls the output port test module to provide feedback on the output port detection results, controls the load impedance detection module to provide feedback on the load impedance detection results, and then controls the nanosecond pulse emission module to emit nanosecond pulse signals to the detection target based on the load impedance detection results and the output port detection results.

[0029] like Figure 2 As shown, this module controls the operation of other modules through control circuit 100. Specifically, it controls the "load impedance detection circuit 200" to receive pulse signals from the "current sensor 500," controls the "nanosecond pulse transmitting circuit 300" to transmit nanosecond pulse signals, controls the "output port test circuit 400" to receive pulse signals from the "current sensor 500," and controls the "output port switch 600" to select the nanosecond pulse output port. In actual operation, when the nanosecond pulse output port automatic identification system is running, the "nanosecond pulse transmitting circuit 300" first generates a small detection pulse, which is then identified by the "output port detection module 800" to identify the pulse output port connected between the "output port switch 600" and the "load impedance 700." The "output port detection module 800" operates repeatedly; a complete pulse output port detection requires the "nanosecond pulse transmitting circuit 300" to send 15 detection pulses. After the nanosecond pulse transmitting circuit 300 sends a detection pulse each time, the control circuit 100 controls the output port switch 600 to turn on a group of high-voltage switches in the following high-voltage switch switching sequence: K1-K2, K1-K3, K1-K4, K1-K5, K1-K6, K2-K3, K2-K4, K2-K5, K2-K6, K3-K4, K3-K5, K3-K6, K4-K5, K4-K6, K5-K6. The output port detection circuit 400 receives the detection pulse signal after each high-voltage switch switching through the current sensor 500, measures the current value of each detection pulse, and identifies the connection port between the output port switch 600 and the load impedance 700.

[0030] Meanwhile, the "load impedance detection circuit 200" receives the second detection pulse signal returned by the "current sensor 500" and determines whether the impedance test requirements are met based on the load impedance detection result it carries. If the requirements are met, pulse therapy is applied to the detected target through the pulse output port.

[0031] In another embodiment, the control module controls the output port test module to receive a first detection pulse signal from the current sensor, and feeds back the output port detection result based on the first detection pulse signal; The pulse output port is determined by the output port detection result, and when the pulse output port is determined to be in normal condition, the load impedance detection module is controlled to receive the second detection pulse signal through the pulse output port, and the load impedance detection result is fed back based on the second detection pulse signal.

[0032] In this embodiment, the control module can first determine the pulse output port through the output port test module, and then determine whether its impedance meets the requirements through the load impedance detection module. Specifically, the system automatically identifies the pulse output port connected between the "output port switch 600" and the "load impedance 700," and after confirming that the pulse output port is in normal condition, the "control circuit 100" controls the "nanosecond pulse transmitting circuit 300" to send another detection pulse. Simultaneously, the pulse output port between the "output port switch 600" and the "load impedance 700" is opened. The "load impedance detection circuit 200" receives the detection pulse signal through the "current sensor 500," measures the current value of the detection pulse, and determines whether the current meets the impedance test requirements. If it meets the requirements, pulse therapy is performed on the detection target through the pulse output port.

[0033] Module 4, Nanosecond Pulse Transmission Module. This module is used to send detection pulses and nanosecond pulses according to the instructions of the control module.

[0034] After receiving a trigger command from the control module, the module first charges the energy storage element, such as a capacitor array, with a high-voltage power supply. When the control module sends a precise synchronous transmission signal, the high-speed switching circuit is instantly driven to conduct, causing the energy accumulated in the energy storage element to be steepened and shaped through a pulse forming network, ultimately generating a high-voltage nanosecond-level narrow pulse at the output. The module can flexibly adjust the pulse amplitude, width, and repetition frequency according to the command, and has the ability to transmit both the pre-stage detection pulse and the main nanosecond pulse, thus meeting the combined requirements of port testing and high-power impulse.

[0035] In another embodiment, the detection pulse and nanosecond pulse sent by the module are bipolar outputs. Bipolar outputs can effectively avoid the accumulation of charge in biological tissues or media by unipolar pulses, significantly reducing the risk of cell electrolytic damage, while enhancing the efficiency of membrane electroporation and the uniformity of irreversible electroporation. In biomedical applications, this can achieve higher treatment precision and reduce side effects such as muscle spasms.

[0036] This concludes the process. Figure 1 Descriptions of each module shown.

[0037] In the above embodiment, for the target requiring pulse therapy, the control module instructs the nanosecond pulse emission module to emit a detection pulse after each port switch. Then, based on the detection results of the output port corresponding to each detection pulse, the pulse output port is determined. If the load impedance detection module determines that the impedance value determined through the pulse output port is not abnormal, it connects to the target through that pulse output port, and then controls the nanosecond pulse emission module to emit nanosecond pulses for treatment. This solves the problem that some existing pulse ablation devices require manual selection of the connection port between the pulse ablation module and the target, which is complex and may lead to operational errors.

[0038] In another embodiment, the system further includes a port adjustment module for re-determining the pulse output port from among the ports when the load impedance detection result determines that the pulse output port does not meet the impedance test requirements.

[0039] When this module detects that the load impedance connected to the current pulse output port does not meet the preset requirements, such as severe mismatch or open / short circuit, it immediately determines another pulse output port from the above output ports. It can delete the current value corresponding to the port that does not meet the preset requirements from the above current values, and then re-determine a target current value from the deleted current values, thereby determining the corresponding pulse output port. This module can realize adaptive optimization and fault redundancy of system output.

[0040] This application also provides an automatic identification device for nanosecond pulse port output, such as... Figure 3 As shown, the device includes: The output port test unit 301 is used to receive the first detection pulse signal from the current sensor, then determine the pulse output port and port status through the first detection pulse signal, and generate an output port detection result based on the pulse output port and port status and send it to the control unit. The load impedance detection unit 302 is used to receive the second detection pulse signal of the current sensor, determine the impedance value of the detection target through the second detection pulse signal, and generate a load impedance detection result based on the impedance value and send it to the control unit. The control unit 303 is used to control the output port test unit to feed back the output port detection result, control the load impedance detection unit to feed back the load impedance detection result, and then control the nanosecond pulse emission unit to emit a nanosecond pulse signal to the detection target based on the load impedance detection result and the output port detection result. The nanosecond pulse transmitting unit 304 is used to send detection pulses and nanosecond pulses according to the instructions of the control unit.

[0041] In another embodiment, the control unit controls the output port test module to receive a first detection pulse signal from the current sensor, and feeds back the output port detection result based on the first detection pulse signal; The pulse output port is determined by the output port detection result, and when the pulse output port is determined to be in normal condition, the load impedance detection unit is controlled to receive the second detection pulse signal through the pulse output port, and the load impedance detection result is fed back based on the second detection pulse signal.

[0042] In another embodiment, the determination of the pulse output port and port status by the first detection pulse signal in the output port testing unit includes: By switching the port switch sequentially between the nanosecond pulse emission unit and the detection target, and after each switch, the generated detection pulse is sent to the current sensor, so that the current sensor converts the detection pulse into a first detection pulse signal and sends it to the output port test module. Measure the current value of the first detection pulse signal in each group, and determine the port corresponding to the current value that meets the preset conditions as the pulse output port.

[0043] In another embodiment, the detection pulse and nanosecond pulse transmitted by the nanosecond pulse transmitting unit are bipolar outputs.

[0044] In another embodiment, the device further includes: The port adjustment unit 305 is used to re-determine the pulse output port from among the ports when the pulse output port does not meet the impedance test requirements based on the load impedance detection result.

[0045] The above embodiments of the present invention provide an automatic identification system for nanosecond pulse port output, and based on this system, an automatic identification device for nanosecond pulse port output. Through the above system and device, not only is the problem of operational errors in pulse ablation equipment solved, reducing the impact of human error, but the number of system operation steps can also be effectively reduced. The step of selecting the pulse output port can be deleted during system operation, thereby improving operational efficiency.

[0046] This embodiment also discloses a computer device, such as... Figure 4 As shown, the computer device includes a processor and a memory, the memory storing at least one instruction, which is loaded and executed by the processor to implement the method on the nanosecond pulse port output automatic identification system described above.

[0047] Furthermore, in the above-described embodiment of the nanosecond pulse port output automatic identification device, the logical division of each program module is merely illustrative. In actual applications, the above functions can be assigned to different program modules as needed, for example, for the sake of corresponding hardware configuration requirements or the convenience of software implementation. That is, the internal structure of the nanosecond pulse port output automatic identification device can be divided into different program modules to complete all or part of the functions described above.

[0048] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A nanosecond pulse port output automatic identification system, characterized in that, The system comprises a control module, a load impedance detection module, a nanosecond pulse emission module and an output port test module; The port test module is configured to receive a first detection pulse signal of the current sensor, determine a pulse output port and a port state based on the first detection pulse signal, and send an output port detection result to the control module according to the pulse output port and the port state; The load impedance detection module is configured to receive a second detection pulse signal of the current sensor, determine an impedance value of the detection target based on the second detection pulse signal, and send a load impedance detection result to the control module according to the impedance value; The control module is configured to control the output port test module to feed back the output port detection result, control the load impedance detection module to feed back the load impedance detection result, and control the nanosecond pulse emission module to emit a nanosecond pulse signal to the detection target according to the load impedance detection result and the output port detection result; The nanosecond pulse emission module is configured to send a detection pulse and a nanosecond pulse according to an instruction of the control module.

2. The system of claim 1, wherein, The control module controls the output port test module to receive a first detection pulse signal of the current sensor, and feeds back an output port detection result based on the first detection pulse signal. The pulse output port is determined based on the output port detection result, and when the pulse output port state is normal, the load impedance detection module is controlled to receive a second detection pulse signal through the pulse output port, and feeds back a load impedance detection result based on the second detection pulse signal.

3. The system of claim 1, wherein, The determination of the pulse output port and the port state based on the first detection pulse signal comprises: The port switch is switched between the nanosecond pulse emission module and the detection target in sequence, and the generated detection pulse is sent to the current sensor after each switching, so that the current sensor converts the detection pulse into a first detection pulse signal and sends it to the output port test module; The current value of each group of first detection pulse signals is measured, and the port corresponding to the current value meeting the preset condition is determined as the pulse output port.

4. The system of claim 1, wherein, The detection pulse and the nanosecond pulse sent by the nanosecond pulse emission module are bipolar outputs.

5. The system of claim 1, wherein, The system further comprises a port adjustment module configured to re-determine the pulse output port from each port when the pulse output port does not meet the impedance test requirement based on the load impedance detection result.

6. A nanosecond pulse port output automatic identification device, characterized in that, The device comprises: An output port test unit configured to receive a first detection pulse signal of the current sensor, determine a pulse output port and a port state based on the first detection pulse signal, and send an output port detection result to the control unit according to the pulse output port and the port state; A load impedance detection unit configured to receive a second detection pulse signal of the current sensor, determine an impedance value of the detection target based on the second detection pulse signal, and send a load impedance detection result to the control unit according to the impedance value; The control unit is configured to control the output port test unit to feed back an output port detection result, control the load impedance detection unit to feed back a load impedance detection result, and control the nanosecond pulse emission unit to emit a nanosecond pulse signal to the detection target according to the load impedance detection result and the output port detection result. The nanosecond pulse emission unit is configured to emit a detection pulse and a nanosecond pulse according to the instruction of the control unit.

7. The apparatus of claim 6, wherein, The control unit controls the output port test module to receive a first detection pulse signal of the current sensor and feed back an output port detection result based on the first detection pulse signal. When the pulse output port is determined through the output port detection result and the pulse output port is in a normal state, the control unit controls the load impedance detection unit to receive a second detection pulse signal through the pulse output port and feed back a load impedance detection result based on the second detection pulse signal.

8. The apparatus of claim 6, wherein, The output port test unit determines the pulse output port through the first detection pulse signal and the port state includes: The port switch is switched between the nanosecond pulse emission unit and the detection target in sequence, and the generated detection pulse is sent to the current sensor after each switching, so that the current sensor converts the detection pulse into a first detection pulse signal and sends the first detection pulse signal to the output port test module. The current values of each group of first detection pulse signals are measured, and the port corresponding to the current value meeting the preset condition is determined as the pulse output port.

9. The apparatus of claim 6, wherein, The detection pulse and the nanosecond pulse emitted by the nanosecond pulse emission unit are bipolar outputs.

10. The apparatus of claim 6, wherein, The device further includes: The port adjustment unit is configured to re-determine the pulse output port from each port when the pulse output port does not meet the impedance test requirement through the load impedance detection result.

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