Energy surgical host system with protection function

Abstract

The invention discloses an energy surgical host system with a protection function, and relates to the field of medical instruments.In the system operation process, a first energy surgical host output sampling circuit and a second energy surgical host output sampling circuit conduct sampling and power calculation on output signals respectively; sampling data are mutually exchanged through a communication mechanism, and after each processing module receives the data collected by the opposite side, the data are compared and analyzed with the data collected by the current side; if a deviation exceeding a preset threshold exists between the two groups of data, control logic is triggered immediately, the enabling control end of the high-voltage direct-current power supply is closed, and therefore energy output is interrupted. The problem of energy output misjudgment caused by faults of a certain channel sampling circuit or a calculation module can be effectively prevented; tissue damage to a patient due to excessive energy release is avoided, and the stability and clinical practicability of the energy surgical equipment in a key surgical scene are improved through redundancy collection and a fault-tolerant mechanism.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, and particularly to an energy surgical host system with a protection function. Background Art

[0002] Currently, in energy surgical systems, surgical hosts generally adopt a feedback control mechanism based on electrical parameters to achieve precise control of the output energy. Its basic control logic is as follows: The voltage and current signals at the output end are continuously and real-time collected through a sampling circuit inside the system. After digital processing, the output power value is calculated and compared with the target power set by the doctor through the human-machine interface (UI module). According to the deviation result, the power output is dynamically adjusted to achieve closed-loop control.

[0003] However, this type of system in the prior art depends on a single sampling and analysis circuit in its structural design and does not consider the possible damage of the circuit, presenting obvious safety hazards: Once a hardware failure occurs in the sampling circuit, such as damage to the sampling resistor, poor contact in the signal path, or sensor drift, etc., it may cause the obtained voltage or current value to be severely distorted.

[0004] Therefore, there is an urgent need in the prior art for an energy surgical host system with a protection function that has multi-path acquisition redundancy and fault tolerance capabilities to solve the technical problems existing in the prior art. Summary of the Invention

[0005] One technical problem to be solved by the embodiments of the present invention is how to provide an energy surgical host system with a protection function that has multi-path acquisition redundancy and fault tolerance capabilities to solve the technical problems existing in the prior art. In the case of single-path sampling failure, it can timely detect abnormalities and actively interrupt the output, thereby ensuring the personal safety during the clinical surgical process.

[0006] To address the above scenario, in a first aspect, an embodiment of the present application provides an energy surgical host system with a protection function, which is characterized by including: an energy surgical host high-voltage DC power supply, an energy surgical host output driving circuit, a first energy surgical host output sampling circuit, a second energy surgical host output sampling circuit, a first controllable processing module of the energy surgical host, and a second controllable digital module of the energy surgical host; Wherein, the first energy surgical host output sampling circuit is used to collect the first voltage and the first current signals at the output end of the energy surgical host and convert them into first digital sampling data; The first controllable processing module of the energy surgical host is used to output a control signal to the energy surgical host output driving circuit based on the first digital sampling data to control the energy output at the output end of the energy surgical host; The second energy surgical host output sampling circuit is used to collect the second voltage and second current signals at the output end of the energy surgical host and convert them into second digital sampling data; The second controllable digital module of the energy surgical host is connected to the first controllable processing module of the energy surgical host and the second energy surgical host output sampling circuit, and is used to compare the first digital sampling data with the second digital sampling data, and output the sampling deviation value between the first digital sampling data and the second digital sampling data; The first controllable processing module of the energy surgical host is used to cut off the energy supply from the high-voltage DC power supply of the energy surgical host to the output end of the energy surgical host when the sampling deviation value between the first digital sampling data and the second digital sampling data exceeds a first preset threshold.

[0007] In combination with the first aspect, in some embodiments, it includes: The first energy surgical host output sampling circuit is connected to the output end of the energy surgical host, and includes a first voltage sensor, a first current sensor, and a first analog-to-digital converter; In combination with the first aspect, in some embodiments, it includes: The second energy surgical host output sampling circuit is connected to the output end of the energy surgical host, and includes a second voltage sensor, a second current sensor, and a second analog-to-digital converter.

[0008] In combination with the first aspect, in some embodiments, it includes: The first controllable processing module of the energy surgical host is used to control the high-voltage DC power supply of the energy surgical host to provide energy output to the output end of the energy surgical host, and calculate the first output power of the output end of the energy surgical host; The second controllable digital module of the energy surgical host is used to calculate the second output power of the output end of the energy surgical host according to the second digital sampling data; In combination with the first aspect, in some embodiments, it includes: The first controllable processing module of the energy surgical host is further used to cut off the energy supply to the output drive circuit of the energy surgical host by controlling the enable pin of the high-voltage DC power supply of the energy surgical host, thereby cutting off the energy supply to the output end of the high-voltage DC power supply of the energy surgical host.

[0009] In combination with the first aspect, in some embodiments, it includes: The second controllable digital module of the energy surgical host for comparing the first digital sampling data with the second digital sampling data further includes: Compare the power deviation value between the first output power obtained based on the first digital sampling data and the second output power obtained based on the second digital sampling data; When the comparison result indicates that the power deviation value between the first output power obtained based on the first digital sampling data and the second output power obtained based on the second digital sampling data exceeds the second preset threshold, the first controllable processing module of the energy surgical host closes the output of the high-voltage DC power supply of the energy surgical host by controlling the enable pin of the high-voltage DC power supply of the energy surgical host.

[0010] In combination with the first aspect, in some embodiments, it includes: It further includes a user interaction module and an output isolation transformer, Wherein, the output terminal of the high-voltage DC power supply of the energy surgical host is connected to the primary side winding of the output isolation transformer via the output driving circuit of the energy surgical host, and the secondary side of the output isolation transformer is connected to the output terminal of the energy surgical host.

[0011] In combination with the first aspect, in some embodiments, it includes: The output driving circuit of the energy surgical host is connected to the high-voltage DC power supply of the energy surgical host, including an inverter circuit composed of multiple power switching devices, and the output of the output driving circuit of the energy surgical host is connected to the primary side winding of the output isolation transformer; The output pin of the first controllable processing module of the energy surgical host is electrically connected to the control end of the power switching device, and is used to control the conduction and cut-off of the power switching device to generate an alternating current in the primary side winding.

[0012] In combination with the first aspect, in some embodiments, it includes: The user interaction module is connected to the first controllable processing module of the energy surgical host, and is used to receive the output power setting value and the working mode instruction input by the user, and display the working state information to the user; The first controllable processing module of the energy surgical host adjusts the power parameters of the energy output according to the user settings received by the user interaction module.

[0013] In combination with the first aspect, in some embodiments, it includes: The output terminal of the energy surgical host connected to the secondary side of the output isolation transformer includes an active electrode and a return electrode, and is used to connect to a surgical instrument to apply the energy output to the patient tissue.

[0014] In combination with the first aspect, in some embodiments, it includes: The first energy surgical host output sampling circuit and the second energy surgical host output sampling circuit each include a voltage sensor connected across the active electrode and the return electrode, and a current sensor connected in series in the output loop. The first energy surgical host output sampling circuit detects the first output voltage and the first output current at the output terminal, and the second energy surgical host output sampling circuit detects the second output voltage and the second output current at the output terminal.

[0015] In some embodiments in combination with the first aspect, it includes: The first controllable processing module of the energy surgical host calculates the first output power value at the output terminal by performing a multiplication operation on the first voltage value and the first current value in the first digital sampling data, and sends the first output power value to the second controllable digital module of the energy surgical host through a communication interface.

[0016] In some embodiments in combination with the first aspect, it includes: The second controllable digital module of the energy surgical host receives the first output power value calculated by the first controllable processing module of the energy surgical host; The second controllable digital module of the energy surgical host calculates a second output power value based on the second digital sampling data; The second controllable digital module of the energy surgical host compares the first output power value and the second output power value to obtain a comparison result.

[0017] In some embodiments in combination with the first aspect, it includes: The high-voltage DC power supply of the energy surgical host is provided with an enable control pin and is electrically connected to the control output terminal of the first controllable processing module of the energy surgical host; When the first controllable processing module of the energy surgical host sends a shutdown signal to the enable control pin, the high-voltage DC power supply of the energy surgical host stops supplying power to the output terminal.

[0018] The energy surgical host system with a protection function proposed in this application realizes precise control and abnormal protection of energy output by constructing a dual-channel redundant sampling and comparison mechanism, significantly improving the safety and reliability of the system in critical medical scenarios. Compared with the existing control system that only relies on single-channel sampling, the present invention can timely identify risks through power comparison and automatically shut down the output when a fault occurs in the sampling circuit or the signal is abnormal, effectively preventing excessive energy release caused by misjudgment and avoiding tissue damage to patients; at the same time, the system supports users to set deviation tolerance thresholds and has the ability to flexibly adapt to different surgical requirements, overall improving the intelligent level and clinical application value of the energy surgical host.

[0019] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Brief Description of the Drawings

[0020] The drawings forming a part of the specification depict embodiments of the present invention and, together with the description, are used to explain the principles of the present invention.

[0021] Referring to the accompanying drawings, the present invention can be more clearly understood from the following detailed description, where: Figure 1 A structural block diagram of an energy surgical host system with a protection function showing an embodiment of the present invention; Figure 2 A structural block diagram of an energy surgical host system with a protection function showing another embodiment of the present invention. Detailed Embodiments

[0022] The present application will be further described below in conjunction with specific embodiments and the accompanying drawings. It can be understood that the illustrative embodiments of the present disclosure include, but are not limited to, related methods, devices, and systems. The specific embodiments described herein are merely for the purpose of explaining the present application and not for limiting the present application. In addition, for the sake of convenience of description, only parts related to the present application rather than all structures or processes are shown in the drawings.

[0023] The following specific embodiments illustrate the implementation manners of the present application. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. Although the description of the present application will be introduced in conjunction with preferred embodiments, this does not mean that the features of this invention are limited to this implementation manner. On the contrary, the purpose of introducing the invention in conjunction with the implementation manner is to cover other alternatives or modifications that may be extended based on the claims of the present application. In order to provide a deep understanding of the present application, many specific details will be included in the following description. The present application can also be implemented without using these details. In addition, in order to avoid confusing or obscuring the key points of the present application, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0024] In addition, various operations will be described as multiple discrete operations in the manner that is most helpful for understanding the illustrative embodiments; however, the described order should not be construed as implying that these operations must be order-dependent. In particular, these operations do not need to be performed in the presented order.

[0025] Unless the context otherwise requires, the terms "comprising", "having", and "including" are synonyms.

[0026] As used herein, the term "and / or" is merely a description of the relationship between associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, the character " / " in this text generally indicates that the associated objects before and after are in an "or" relationship. The phrase "A / B" means "A or B".

[0027] In this application, "at least one" means one or more, and "a plurality" means two or more. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b, or c can represent: a, b, c, a - b, a - c, b - c, or a - b - c, where a, b, and c can be single or multiple.

[0028] In various embodiments of this application, the magnitudes of the serial numbers of the above processes do not imply the order of execution. The order of execution of each process should be determined by its function and internal logic, and should not impose any limitation on the implementation process of the embodiments of this application.

[0029] Although the single acquisition method of the prior art has good adjustment ability and output stability under normal working conditions, such systems usually rely on a single acquisition path in their structural design, that is, a set of voltage sampling and current sampling circuits. This architecture has obvious safety hazards: once a hardware failure occurs in the sampling circuit, such as damage to the sampling resistor, poor contact in the signal path, or sensor drift, etc., it may cause the acquired voltage or current value to be severely distorted.

[0030] In the existing energy surgical system, when the acquired signal is incorrect, the control system will still execute the power adjustment strategy based on the incorrect electrical parameter data. Taking the example of a low output power, the system will mistakenly think that the current power is insufficient, and thus continuously increase the output energy until the sampled value matches the target value, which may ultimately result in the actual output power far exceeding the doctor's set target. Without an effective redundancy protection or cross - verification mechanism, this incorrect behavior is extremely likely to cause the patient to receive excessive energy, resulting in tissue burns, overheating damage, or even irreversible physiological damage, posing a major threat to the patient's life safety.

[0031] Figure 1 A structural block diagram of an energy surgical host system with a protection function according to an embodiment of the present invention is shown as Figure 1 As shown, the system 10 includes a high - voltage DC power supply 11 of the energy surgical host, an output driving circuit 12 of the energy surgical host, a first output sampling circuit 13 of the energy surgical host, a second output sampling circuit 14 of the energy surgical host, a first controllable processing module 15 of the energy surgical host, and a second controllable digital module 16 of the energy surgical host.

[0032] In one embodiment, the high-voltage DC power supply 11 of the energy surgical host can be abbreviated as the high-voltage DC power supply, the output driving circuit 12 of the energy surgical host can be abbreviated as the output driving circuit, the first output sampling circuit 13 of the energy surgical host can be abbreviated as the first output sampling circuit, the second output sampling circuit 14 of the energy surgical host can be abbreviated as the second output sampling circuit, the first controllable processing module 15 of the energy surgical host can be abbreviated as the controllable processing module, and the second controllable digital module 16 of the energy surgical host can be abbreviated as the second controllable digital module. Those skilled in the art can understand that for other module names with the energy surgical host, the subject "energy surgical host" can also be removed in the abbreviation.

[0033] Among them, the first output sampling circuit of the energy surgical host is connected to the output terminal 17 of the energy surgical host, and includes a first voltage sensor, a first current sensor, and a first analog-to-digital converter, and is used to collect the first voltage and the first current signals at the output terminal of the energy surgical host and convert them into first digital sampling data for the first controllable processing module of the energy surgical host; the first controllable processing module of the energy surgical host outputs a control signal to the output driving circuit of the energy surgical host based on the first digital sampling data, so as to control the high-voltage DC power supply of the energy surgical host and the output terminal of the energy surgical host to provide energy output, and calculate the output power at the output terminal of the high-voltage DC power supply of the energy surgical host; the second output sampling circuit of the energy surgical host is connected to the output terminal of the energy surgical host, and includes a second voltage sensor, a second current sensor, and a second analog-to-digital converter, and is used to collect the second voltage and the second current signals at the output terminal of the energy surgical host and convert them into second digital sampling data to be provided to the second controllable digital module of the energy surgical host; the second controllable digital module of the energy surgical host is connected to the first controllable processing module of the energy surgical host, and is used to compare the first digital sampling data with the second digital sampling data, and output the sampling deviation value between the first digital sampling data and the second digital sampling data; when the sampling deviation value between the first digital sampling data and the second digital sampling data exceeds the first preset threshold, the energy supply from the high-voltage DC power supply to the output terminal of the energy surgical host is cut off, and the first controllable processing module of the energy surgical host closes the output of the high-voltage DC power supply of the energy surgical host by controlling the enable pin of the high-voltage DC power supply of the energy surgical host, so as to cut off the energy supply to the output terminal of the high-voltage DC power supply of the energy surgical host.

[0034] In one embodiment, the second controllable digital module for comparing the first digital sampling data with the second digital sampling data further includes: comparing the power deviation value between the first output power obtained based on the first digital sampling data and the second output power obtained based on the second digital sampling data; when the comparison result indicates that the power deviation value between the first output power obtained based on the first digital sampling data and the second output power obtained based on the second digital sampling data exceeds a second preset threshold, the first controllable processing module closes the output of the high-voltage DC power supply by controlling the enable pin of the high-voltage DC power supply.

[0035] Specifically, one sampling data or power can be divided by another sampling data or power. When the ratio value deviates from the standard data such as 1:1 by more than 10%, it is determined that the deviation value is too large. Methods such as the ratio method, the difference method, and the logarithmic ratio method can be used.

[0036] Figure 2 The structural block diagram of an energy surgical host system with a protection function according to an embodiment of the present invention is shown as Figure 2 As shown, the energy surgical host system with a protection function further includes a user interaction module 19 and an output isolation transformer 18. Among them, the output end of the high-voltage DC power supply of the energy surgical host is connected to the primary side winding of the output isolation transformer via the output driving circuit of the energy surgical host, and the secondary side of the output isolation transformer is connected to the output end of the energy surgical host.

[0037] In one embodiment, the user interaction module is a module through which a user (such as a doctor) inputs target parameters (power, maximum current, voltage, etc.). The parameters are sent to the first controllable processing module of the energy surgical host through an interface and serve as core control instructions.

[0038] In one embodiment, the output driving circuit of the energy surgical host can be a MOSFET, specifically including 4 power MOS transistors, which integrate the high-voltage DC power supply and the PWM control signal to drive the isolation transformer T1; the output of the isolation transformer T1 is sent to two ports of "ACTIVE" and "RETURN" for connecting a load.

[0039] The present invention adopts two sets of redundant parameter acquisition circuits to achieve abnormal detection and safe power-off control through redundant voltage, current acquisition, and power calculation and comparison.

[0040] In one embodiment, the high-voltage DC power supply of the energy surgical host provides the main power source; it has an Enable pin, which is controlled by the dual safety logics of the first controllable processing module and the second controllable digital module of the energy surgical host; if an abnormality is detected or the sampled data deviates severely, the system pulls down the Enable to prevent out-of-control output. If the output sampling circuit of the first energy surgical host fails (such as extremely high voltage sampling or extremely high power sampling), the first controllable processing module of the energy surgical host will continuously increase the output in pursuit of the target power; the second controllable digital module of the energy surgical host detects that the abnormal difference exceeds the standard through the second set of sampling; the system immediately pulls down the Enable, triggering the high-voltage power supply to shut down, avoiding harm to the patient; this demonstrates the high safety fault tolerance of the system in a medical scenario.

[0041] In one embodiment, the output drive circuit of the energy surgical host is connected to the high-voltage DC power supply of the energy surgical host, including an inverter circuit composed of multiple power switch devices. The output of the output drive circuit of the energy surgical host is connected to the primary side winding of the output isolation transformer; the output pin of the first controllable processing module of the energy surgical host is electrically connected to the control end of the power switch device, used to control the conduction and turn-off of the power switch device to generate an alternating current in the primary side winding.

[0042] In one embodiment, the system further includes: the user interaction module is connected to the first controllable processing module of the energy surgical host, used to receive the output power setting value and the working mode instruction input by the user, and display the working state information to the user; the first controllable processing module of the energy surgical host adjusts the power parameters of the energy output according to the user settings received by the user interaction module.

[0043] In one embodiment, the output terminals connected to the secondary side of the output isolation transformer include an active electrode 171 and a return electrode 172, used to connect to surgical instruments to apply the energy output to the patient tissue.

[0044] In one embodiment, it includes: the first energy surgical host output sampling circuit and the second energy surgical host output sampling circuit each include a voltage sensor connected across the active electrode and the return electrode, and a current sensor connected in series in the output loop. The first energy surgical host output sampling circuit detects the first output voltage and the first output current of the output terminal, and the second energy surgical host output sampling circuit detects the second output voltage and the second output current of the output terminal.

[0045] In one embodiment, the first controllable processing module of the energy surgical host calculates the first output power value at the output end by multiplying the first voltage value and the first current value in the first digital sampling data, and sends the first output power value to the second controllable digital module of the energy surgical host through the communication interface.

[0046] In one embodiment, the second controllable digital module of the energy surgical host receives the first output power value calculated by the first controllable processing module of the energy surgical host; the second controllable digital module of the energy surgical host calculates the second output power value according to the second digital sampling data; the second controllable digital module of the energy surgical host compares the first output power value and the second output power value to obtain a comparison result.

[0047] In one embodiment, it includes: the high-voltage DC power supply of the energy surgical host is provided with an enable control pin and is electrically connected to the control output end of the first controllable processing module of the energy surgical host; when the first controllable processing module of the energy surgical host sends a shutdown signal to the enable control pin, the high-voltage DC power supply of the energy surgical host stops supplying power to the output end.

[0048] In one embodiment, the first controllable processing module of the energy surgical host is connected to the second controllable digital module of the energy surgical host through a high-speed serial communication interface to realize the real-time transmission and comparison of the first digital sampling data and the second digital sampling data. <s

[0049] In one embodiment, it includes: the preset threshold is stored in the memory of the first controllable processing module or the second controllable digital module of the energy surgical host, and can be set and adjusted through the user interaction module to adapt to different safety control requirements.

[0050] In one embodiment, through the dual-channel redundant acquisition and comparison mechanism of the first controllable processing module and the second controllable digital module of the energy surgical host, when the acquisition data of any channel is abnormal, the other channel can detect and trigger the power-off protection of the high-voltage DC power supply of the energy surgical host, thereby improving the fault tolerance and safety of the system.

[0051] In one embodiment, the first controllable processing module of the energy surgical host can be an FPGA module or other modules with the same function, and the second controllable digital module of the energy surgical host can be a DSP or other modules with the same function.

[0052] In one embodiment, if the first controllable processing module of the energy surgical host is an FPGA (Field Programmable Gate Array), its functions include: receiving the parameter settings of the UI module; outputting a PWM signal to control the drive circuit composed of MOSFET tubes; implementing closed-loop control of the output power; performing data interaction and anomaly comparison with the DSP; and controlling the Enable enable terminal of the high-voltage power supply.

[0053] In one embodiment, the DSP processor is responsible for independently calculating the power and feeding back the sampled data of the second channel to the FPGA; if the comparison finds that the error is greater than the set threshold, it will control the Enable pin of the high-voltage power supply to be pulled low to disable the output (safely cut off the power).

[0054] The present invention includes a user interaction module, an FPGA, an energy output isolation transformer T1, the drive circuit of the energy output isolation transformer T1, the output current sampling sensor I_sensor1 of the first set of acquisition circuits, the output voltage sampling circuit_1 of the first set of acquisition circuits, the current sampling ADC of the first set of acquisition circuits, the voltage sampling ADC of the first set of acquisition circuits, the output current sampling sensor I_sensor2 of the second set of acquisition circuits, the output voltage sampling circuit_2 of the second set of acquisition circuits, the processor DSP with multi-channel ADC of the second set of acquisition circuits, and the high-voltage DC power supply with output enable control.

[0055] In one embodiment, the user interaction module is responsible for the human-machine interaction function and transmits parameter information such as the output power set by the doctor to the FPGA for execution. The functions of the FPGA are as follows: First, receive the control parameter information transmitted by the UI module, including power, maximum voltage, maximum current, start signal, etc.; Second, output a power control signal to the drive circuit; Third, obtain the output voltage and current signals through the first set of acquisition circuits, calculate the phase difference θ between the voltage and current signals, and then multiply by cosθ to calculate the true output power. Compare this power value with the power value set by the doctor, and then change the control signal to make the output consistent with the setting. Fourth, send the voltage and current data of the first set of acquisition circuits collected to the DSP. Fifth, receive the voltage and current data of the second set of acquisition circuits sent by the DSP for comparison. If the deviation value is greater than the first set threshold (for example, 10%), stop the output and at the same time control the enable pin of the high-voltage DC power supply to be in the disabled state; if the deviation is less than or equal to the first set threshold (for example, 10%).

[0056] The drive circuit of the energy output isolation transformer T1 functions to integrate the control signal of the FPGA and the high-voltage output of the high-voltage DC power supply to drive the output isolation transformer T1.

[0057] The functions of the DSP are as follows: First, it obtains the output voltage and current signals through the second set of acquisition circuits, calculates the phase difference θ between the voltage and current signals, and then calculates the true output power by multiplying it with cosθ. Second, it sends the voltage and current data of the second set of acquisition circuits collected to the FPGA. Third, it receives the voltage and current data of the first set of acquisition circuits sent by the FPGA, conducts a comparison, and if the deviation is greater than the threshold, it controls the enable pin of the high-voltage DC power supply to the disabled state.

[0058] If there is a hardware failure in the first set of acquisition circuits, for example, a failure in the voltage acquisition circuit and the collected voltage value is very low, without the second set of acquisition circuits for comparison and verification, in order to be able to reach the set value of the output, the FPGA will continuously increase the output energy, resulting in danger to the safety of the patient. In the present invention, if there is a hardware failure in the first set of acquisition circuits with the FPGA as the acquisition core, the DSP will find that the data does not match and stop the output before an accident occurs, ensuring the safety of the patient.

[0059] In another embodiment, when a certain hardware (such as the voltage sampling circuit) in the first sampling channel fails, resulting in a low voltage signal, the FPGA may mistakenly think that the output is insufficient and continuously increase the power, thus causing the actual energy to exceed the standard. At this time, the DSP can detect the power deviation based on the sampling of the second channel. If it exceeds the second set threshold set by the system, it will trigger the cooperation with the FPGA to turn off the Enable pin of the high-voltage power supply, so that the system automatically cuts off the power before an abnormality occurs, thus ensuring the safety of the patient during the operation.

[0060] In one embodiment, the system supports the user to set the power deviation tolerance threshold (for example, within ±10%) through the UI module. This threshold can be dynamically written into the internal registers of the FPGA and the DSP, and is used to adjust the fault tolerance range of the power comparison. This flexible configuration ability improves the system's ability to adapt to different surgical environments and patient individual differences, and enhances the safety and versatility of the device.

[0061] The technical solution provided by this application can solve the problem of output miscontrol risk caused by relying on a single output sampling path in existing energy surgical operation hosts. In the traditional solution, the system calculates the output power and performs closed-loop control only based on a set of voltage and current sampling signals. Once the sampling circuit fails (such as sensor damage, sampling value drift, or circuit open circuit), it will cause the control logic to make misjudgments based on incorrect data, which may lead to the actual output energy far exceeding the doctor's set value. Seriously, it will cause irreversible tissue damage to the patient and lacks basic fault tolerance protection capabilities. The present invention constructs a dual-channel redundant sampling architecture, that is, two independent voltage and current sampling paths are introduced, which are respectively connected to the FPGA and DSP modules, and each independently completes the output power calculation. During the operation of the system, the data of the first channel is used by the FPGA for real-time closed-loop control, and the data of the second channel is independently verified by the DSP. When there is a significant deviation between the power calculation values of the two channels, the system automatically judges the sampling abnormality through the comparison logic, thereby triggering the power-off control of the high-voltage DC power supply, ensuring that the system can still reliably stop the output under the conditions of sampling hardware failure or signal distortion, and effectively preventing energy out-of-control from harming the patient.

[0062] In addition, the technical solution of the present invention also supports setting a configurable safety tolerance threshold through the UI module, and can flexibly adjust the power comparison tolerance range according to different surgical requirements and patient individual differences. This configuration not only improves the personalized adaptation ability of the system, but also enhances the clinical application safety and universality of the product.

[0063] The energy surgical host system with protection function provided by the embodiments of the present invention, through the strategy of "main control + redundant verification + difference comparison + automatic power-off", not only significantly improves the accuracy, reliability and fault tolerance of the energy surgical host in power control, but also realizes a system-level safe closed-loop design, and solves the problem that the prior art cannot reliably identify abnormalities and interrupt the output in time under hardware failures.

[0064] The description of the present invention is given for purposes of illustration and description, and is not intended to be exhaustive or to limit the invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the invention and its practical application, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. An energy surgical host system with a protection function, characterized in that, Comprising: The high-voltage DC power supply of the energy surgical host, the output driving circuit of the energy surgical host, the first output sampling circuit of the energy surgical host, the second output sampling circuit of the energy surgical host, the first controllable processing module of the energy surgical host, the second controllable digital module of the energy surgical host; Wherein, the first output sampling circuit of the energy surgical host is used to collect the first voltage and the first current signal at the output end of the energy surgical host and convert them into first digital sampling data; The first controllable processing module of the energy surgical host is used to output a control signal to the output driving circuit of the energy surgical host based on the first digital sampling data to control the energy output at the output end of the energy surgical host; The second output sampling circuit of the energy surgical host is used to collect the second voltage and the second current signal at the output end of the energy surgical host and convert them into second digital sampling data; The second controllable digital module of the energy surgical host, connected to the first controllable processing module of the energy surgical host and the second output sampling circuit of the energy surgical host, is used to compare the first digital sampling data with the second digital sampling data and output the sampling deviation value between the first digital sampling data and the second digital sampling data; The first controllable processing module of the energy surgical host is used to cut off the energy supply from the high-voltage DC power supply of the energy surgical host to the output end of the energy surgical host when the sampling deviation value between the first digital sampling data and the second digital sampling data exceeds the first preset threshold.

2. The energy surgical host system with a protection function according to claim 1, wherein Comprising: The first output sampling circuit of the energy surgical host is connected to the output end of the energy surgical host and includes a first voltage sensor, a first current sensor and a first analog-to-digital converter; And / or The second output sampling circuit of the energy surgical host is connected to the output end of the energy surgical host and includes a second voltage sensor, a second current sensor and a second analog-to-digital converter.

3. The energy surgical host system with a protection function according to claim 1, wherein The first controllable processing module of the energy surgical host is used to control the high-voltage DC power supply of the energy surgical host to provide energy output to the output end of the energy surgical host and calculate the first output power at the output end of the energy surgical host; The second controllable digital module of the energy surgical host is used to calculate the second output power at the output end of the energy surgical host according to the second digital sampling data; And / or The first controllable processing module of the energy surgical host is further used to cut off the energy supply to the output driving circuit of the energy surgical host by controlling the enable pin of the high-voltage DC power supply of the energy surgical host, thereby cutting off the energy supply to the output end of the high-voltage DC power supply of the energy surgical host.

4. The energy surgical host system with a protection function according to claim 3, wherein The second controllable digital module of the energy surgical host for comparing the first digital sampling data with the second digital sampling data further includes: Comparing the power deviation value of the first output power obtained based on the first digital sampling data and the second output power obtained based on the second digital sampling data; When the power deviation value between the first output power obtained based on the first digital sampling data and the second output power obtained based on the second digital sampling data exceeds the second preset threshold in the comparison result, the first controllable processing module of the energy surgical host closes the output of the high-voltage DC power supply of the energy surgical host by controlling the enable pin of the high-voltage DC power supply of the energy surgical host.

5. The energy surgical host system with a protection function according to claim 1, wherein, It further includes a user interaction module and an output isolation transformer. Wherein, the output end of the high-voltage DC power supply of the energy surgical host is connected to the primary side winding of the output isolation transformer via the output driving circuit of the energy surgical host, and the secondary side of the output isolation transformer is connected to the output end of the energy surgical host.

6. The energy surgical host system with a protection function according to claim 5, characterized in that, It includes: The output driving circuit of the energy surgical host is connected to the high-voltage DC power supply of the energy surgical host, and includes an inverter circuit composed of a plurality of power switching devices. The output of the output driving circuit of the energy surgical host is connected to the primary side winding of the output isolation transformer. The output pin of the first controllable processing module of the energy surgical host is electrically connected to the control end of the power switching device, and is used to control the conduction and turn-off of the power switching device to generate an alternating current in the primary side winding.

7. The energy surgical host system with a protection function according to claim 5, wherein, It includes: The user interaction module is connected to the first controllable processing module of the energy surgical host, and is used to receive the output power setting value and the working mode instruction input by the user, and display the working state information to the user. The first controllable processing module of the energy surgical host adjusts the power parameters of the energy output according to the user setting received by the user interaction module.

8. The energy surgical host system with a protection function according to claim 5, characterized in that, It includes: The output end of the energy surgical host connected to the secondary side of the output isolation transformer includes an active electrode and a return electrode, and is used to connect to the surgical instrument to apply the energy output to the patient tissue.

9. The energy surgical host system with a protection function according to claim 8, wherein, It includes: The first energy surgical host output sampling circuit and the second energy surgical host output sampling circuit each include a voltage sensor connected across the active electrode and the return electrode, and a current sensor connected in series in the output loop. The first energy surgical host output sampling circuit detects the first output voltage and the first output current at the output end, and the second energy surgical host output sampling circuit detects the second output voltage and the second output current at the output end.

10. The energy surgical host system with a protection function according to claim 4, wherein, It includes: The first controllable processing module of the energy surgical host calculates the first output power value at the output end by performing a multiplication operation on the first voltage value and the first current value in the first digital sampling data, and sends the first output power value to the second controllable digital module of the energy surgical host through the communication interface.

11. The energy surgical host system with a protection function according to claim 10, wherein, It includes: The second controllable digital module of the energy surgical host receives the first output power value calculated by the first controllable processing module of the energy surgical host. The second controllable digital module of the energy surgical host calculates the second output power value according to the second digital sampling data. The second controllable digital module of the energy surgical host compares the first output power value and the second output power value to obtain a comparison result.

12. The energy surgical host system with a protection function according to claim 1, characterized in that, It includes: The high-voltage DC power supply of the energy surgical host is provided with an enable control pin and is electrically connected to the control output terminal of the first controllable processing module of the energy surgical host; When the first controllable processing module of the energy surgical host sends a shutdown signal to the enable control pin, the high-voltage DC power supply of the energy surgical host stops supplying power to the output terminal.

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