CN205433883U - Controlgear and electromagnetism sword surgical system - Google Patents

Controlgear and electromagnetism sword surgical system Download PDF

Info

Publication number
CN205433883U
CN205433883U CN201620070612.2U CN201620070612U CN205433883U CN 205433883 U CN205433883 U CN 205433883U CN 201620070612 U CN201620070612 U CN 201620070612U CN 205433883 U CN205433883 U CN 205433883U
Authority
CN
China
Prior art keywords
module
output
circuit
electrode
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620070612.2U
Other languages
Chinese (zh)
Inventor
赵伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anjin Medical Technology Beijing Co Ltd
Original Assignee
Anjin Medical Technology Beijing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anjin Medical Technology Beijing Co Ltd filed Critical Anjin Medical Technology Beijing Co Ltd
Priority to CN201620070612.2U priority Critical patent/CN205433883U/en
Application granted granted Critical
Publication of CN205433883U publication Critical patent/CN205433883U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a controlgear and electromagnetism sword surgical system, this controlgear includes: high frequency signal source module, power amplification module, feedback circuit module, CPU control module, output control switch module, output circuit module and at least one electrode interface, power amplification module input is connected to the high frequency signal source module, output circuit module input is connected to power amplification module output, and the output is connected to electrode interface, feedback circuit module input is connected to power amplification module output, and the output is connected to CPU control module, CPU control module is connected to the gain control end and the output control switch module of power amplification module, the output circuit module includes: the isolation transformer who connects gradually, first switching circuit, at least one output circuit, second switching circuit, separate dc circuit. Control power enlargies the gain of module, and not stability problem of power has been solved to required power when making its output organization load changes.

Description

Control equipment and electromagnetic field system surgery systems
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of control equipment and electromagnetic field system surgery systems.
Background technology
Current surgical apparatus, as high frequency electric knife, general employing current feedback or reflected wave powers feedback control, regulate and firm power output.When load stabilization is in the optimum load value of design, surgical apparatus has more stable output characteristics.But in surgical operation, the power along with high frequency electric knife exports, and the load of biological tissue can occur acute variation, cause output that unstable and power attenuation occurs, thus stable surgical effect cannot be obtained.
Cause output unstable or the problem of power attenuation for load change, the technology that controls the most general Hf surgical instrument can strengthen output electric current or output voltage automatically to make up the reduction of power output, but actually due to the change of imaginary impedance characteristic of biological tissue load, effective power is caused to can not get promoting, and curtage output is excessive, operation surrounding tissue is caused the biggest hot injury, or cause that instantaneous power is excessive causes security incident, so that some need the operative region preventing hot injury cannot use these surgical apparatuses.Additionally, the solution being changed output impedance matching property by the way changing operating frequency is had in the research of circuit engineering, but the method is currently only used in the transmission signaling system of some micropower signals, apply in the Hf surgical instrument of high-power signal, have certain difficulty, additionally due to the change of its operating frequency can cause frequency interferences signal, limited by the regulation of EMC (ElectroMagneticCompatibility, Electro Magnetic Compatibility) safety criterion.
Utility model content
This utility model provides a kind of control equipment and electromagnetic field system surgery systems, at least to solve power attenuation and the problem of power instability that tissue load causes with the power exporting change of surgical apparatus.
According to an aspect of the present utility model, provide a kind of control equipment, it is applied to electromagnetic field system surgery systems, including: high-frequency signal source module, power amplifier module, feedback circuit module, CPU control module, output control switch module, output circuit module and at least one electrode interface;The input of described power amplifier module is connected to described high-frequency signal source module;The input of described output circuit module is connected to the outfan of described power amplifier module, and the outfan of described output circuit module is connected at least one electrode interface described;The input of described feedback circuit module is connected to the outfan of described power amplifier module, the outfan of described feedback circuit module is connected to described CPU control module, and described CPU control module is additionally coupled to the gain control end of described power amplifier module, described high-frequency signal source module and described output control switch module;Described high-frequency signal source module, for exporting the electromagnetic power signal of predeterminated frequency;Described output circuit module, for being transferred to procedures electrode by the electromagnetic power signal amplified through described power amplifier module by described electrode interface, to process biological tissue;Described feedback circuit module, the output voltage signal of described power amplifier module, output current signal, described output voltage signal and the phase signal of described output current signal, output reflection power signal is kept for sampling, to sampling signal process, and will process after signal be converted into direct current signal;Described CPU control module, for the gain control end of the gain control value extremely described power amplifier module that output obtains according to preset input power, default fiducial value, described output voltage signal, described output current signal, described phase signal and described output reflection power signal, receive work order and output control instruction that described output control switch module sends;Described output control switch module, is used for exporting described work order, and wherein, described work order is used for indicating mode of operation and instruction output or stopping exporting described electromagnetic power signal;Described output circuit module includes: the isolating transformer that is sequentially connected with, the first switching circuit, at least one output circuit, the second switching circuit, partiting dc circuit;Wherein, described first switching circuit and described second switching circuit, it is additionally coupled to described CPU control module, for controlling being switched on or switched off of described output circuit according to the control instruction from described CPU control module;At least one output circuit described and at least one electrode interface one_to_one corresponding described.
According to another aspect of the present utility model, it is provided that a kind of electromagnetic field system surgery systems, including: above-mentioned control equipment, at least one electrode and the cable of correspondence thereof, wherein, described electrode is connected to described control equipment by corresponding cable.
By control equipment of the present utility model and electromagnetic field system surgery systems, gain control is carried out according to effective power and preset value, make power amplifier module export best power required when particular organization's load or tissue load change, improve power attenuation and instability problem that tissue load causes with power exporting change.Control equipment can export the electromagnetic power signal of upper frequency to procedures electrode, electromagnetic field and the interaction of induced electromagnetic field is produced between procedures electrode and biological tissue, thus produce arc discharge and Joule heat, utilizing arc discharge and Joule heat, can cut biological tissue, solidification etc. processes.Further, control equipment provides the output circuit of multiple electrode interface and correspondence, can meet different operation demands.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart one controlling equipment of this utility model embodiment;
Fig. 2 is the structured flowchart two controlling equipment of this utility model embodiment;
Fig. 3 is the structural representation of the resonance circuit of this utility model embodiment;
Fig. 4 is the structural representation of the electromagnetic field system surgery systems of this utility model embodiment;
Fig. 5 is the structural representation of the segmentation cable connection of this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into protection domain of the present utility model.
The power attenuation caused with the power exporting change of surgical apparatus for tissue load of the prior art and the problem of power instability, this utility model embodiment provides a kind of control equipment, it is applied to electromagnetic field system surgery systems, as it is shown in figure 1, this control equipment may include that high-frequency signal source module 10, power amplifier module 20, feedback circuit module 30, CPU control module 40, output control switch module 50, output circuit module 60 and at least one electrode interface 70.Below its structure is illustrated.
The input of power amplifier module 20 is connected to high-frequency signal source module 10;The input of output circuit module 60 is connected to the outfan of power amplifier module 20, and the outfan of output circuit module 60 is connected at least one electrode interface 70;The input of feedback circuit module 30 is connected to the outfan of power amplifier module 20, the outfan of feedback circuit module 30 is connected to CPU control module 40, and CPU control module 40 is additionally coupled to the gain control of power amplifier module 20, high-frequency signal source module 10 and output control switch module 50.
High-frequency signal source module 10, for exporting the electromagnetic power signal of predeterminated frequency.High-frequency signal source module 10 can be signal generator, it is preferable that can be multi-frequency signal generator.This predeterminated frequency can be the optional frequency in the range of 8MHz to 60MHz.
Output circuit module 60, for being transferred to procedures electrode, to process biological tissue by the electromagnetic power signal amplified through power amplifier module 20 by electrode interface 70.Procedures electrode may is that monopolar electrode, bipolar electrode or scope electrode.
Output circuit module 60 includes: isolating transformer the 601, first switching circuit 602 of being sequentially connected with, at least one output circuit the 603, second switching circuit 604, partiting dc circuit 605.Wherein, the first switching circuit 602 and the second switching circuit 604, it is additionally coupled to CPU control module 40, for controlling being switched on or switched off of output circuit 603 according to the control instruction from CPU control module 40.At least one output circuit 603 and at least one electrode interface 70 one_to_one corresponding.Partiting dc circuit 605 can be realized by electric capacity.
Feedback circuit module 30, for the holding output voltage signal of power amplifier module 20, output current signal, output voltage signal and the phase signal of output current signal, the output reflection power signal of sampling, to sampling signal process, and will process after signal be converted into direct current signal.
Feedback circuit module 30 sampling keeps signal can be realized by sampling hold circuit, specifically, it is possible to use cyclic pulse signal realizes sampling and keeps.When the output signal of power amplifier module is modulated by cyclic pulse signal, in the case of cyclic pulse signal is the first value, carry out signal sampling;In the case of cyclic pulse signal is the second value, carry out signal holding, the signal of holding by previous pulse by the first value time the signal sampled.Such as, in the case of cyclic pulse signal is 1, carry out signal sampling;In the case of cyclic pulse signal is 0, carry out signal holding, the signal of holding by previous pulse by 1 time the signal sampled;Or signal is to sample when 0, signal is to keep when 1.In the present embodiment, sampling keeps function to be to ensure that when cyclic pulse signal (i.e. pulse-modulated signal) is the second value, and the signal of amplitude as being sampled when also can feed back with pulse signal by the first value, to ensure the stability of feedback control.Otherwise, during the second value signal, feedback signal can automatically control increase power output.
The process that the signal of sampling is carried out by feedback circuit module 30 may include that amplification, filtering, shaping, to eliminate noise and interference, specifically, can pass through amplifier, filter circuit, shaping circuit realization.Direct current signal can be carried out analog digital conversion, obtain the digital signal that can be used for calculating.
CPU control module 40, for output according to preset input power, preset fiducial value, gain control value that output voltage signal, output current signal, phase signal and output reflection power signal obtain to the gain control end of power amplifier module 20, receive work order and output control instruction that output control switch module 50 sends.Wherein, control instruction is for other modules in control equipment, and such as, output control instruction is to feedback circuit module, and feedback control circuit module carries out sampling and keeps.Preset input power can be the required power of operation, and default fiducial value can be peak power output corresponding under each mode of operation or in the range of certain loads.
It should be noted that power amplifier module 20, feedback circuit module 30 and CPU control module 40 can complete control function of power, stablize output.
Output control switch module 50, instructs for output services, and wherein, work order is used for indicating mode of operation and instruction output or stopping output electromagnetic power signal.Output control switch module 50 can with control to arrange on device housings for select mode of operation by bonded, when doctor pushes button, output control switch module 50 exports the electromagnetic power signal that corresponding work order, instruction current operation mode and instruction output current operation mode are corresponding.When doctor presses closedown button, during the work of stop control device, output control switch module 50 exports corresponding work order, and instruction stops output electromagnetic power signal.
By above-mentioned control equipment, the electromagnetic power signal of upper frequency can be exported to procedures electrode, electromagnetic field and the interaction of induced electromagnetic field is produced between procedures electrode and biological tissue, thus produce arc discharge and Joule heat, utilizing arc discharge and Joule heat, can cut biological tissue, solidification etc. processes.Further, above-mentioned control equipment provides the output circuit of multiple electrode interface and correspondence, can meet different operation demands.Additionally, above-mentioned control equipment carries out gain control according to effective power and preset value, make power amplifier module export best power required when particular organization's load or tissue load change, improve power attenuation and instability problem that tissue load causes with power exporting change.
Control equipment can be made to work under corresponding mode of operation by switching circuit (first switching circuit 602 and the second switching circuit 604), control being switched on or switched off of output circuit 603, and then the procedures electrode of correspondence is connected, to carry out the process of biological tissue.In actual applications, switching circuit can be relay.Usually, module or circuit in control equipment are singly-terminal pair, when switching circuit switches over, have following performance characteristic: (1) first switching circuit 602 and the second switching circuit 604 switch simultaneously;(2) the positive and negative terminal loop of singly-terminal pair switches simultaneously;(3) safety protective circuit that three mode of operations in control equipment are corresponding is switched over simultaneously.Wherein, the purpose of first 2 is to be leaked to reduce high-frequency energy on the procedures electrode of other circuit or mode of operation; it is thirdly the safety protection function in order to apply correspondence in each mode of operation, prevents that output voltage is too high, electric current is excessive, the overvoltage time is oversize.
The gain control value of CPU control module 40 output can be obtained by extra computing module by following steps: output voltage signal, output current signal and the phase signal of DC form is carried out multiplication calculating, obtains effective power;Output reflection power signal according to DC form and phase signal, determine the variable condition of tissue load impedance, and according to the variable condition of tissue load impedance, effective power compensated computing, the effective power after being compensated;Effective power after compensating and preset input power PsetCarry out difference superposition, obtain difference stack result;Default fiducial value is compared with difference stack result, and using value less in the two as gain control value.
Default fiducial value can be the value corresponding with current operation mode, such as, and the peak power output under mode of operation.Take the default fiducial value value less with difference stack result as gain control value, it is ensured that the safety of circuit, it is to avoid dangerous generation.Output is to the gain control value of the gain control end of power amplifier module 20 so that power required when power amplifier module output particular organization's load or tissue load change.Wherein, tissue load refers to the equivalent load of biological tissue.
Mode of operation may include that monopolar operation pattern, bipolar incision mode of operation, bipolar coagulation mode of operation and scope mode of operation.In operation process, using monopolar electrode to process biological tissue, current operation mode is monopolar operation pattern;Using bipolar electrode to process biological tissue, current operation mode is bipolar operation pattern, specifically, can be divided into incision pattern and solidification model under bipolar operation pattern;Using scope electrode to process biological tissue, current operation mode is scope mode of operation.Bipolar electrode is similar to tweezers, and scope electrode can stretch into biological tissue by endoscope passage, carries out delicate surgery.
Specifically, tissue load impedance can be expressed as R+iX, wherein, real part R absorbed power, imaginary part iX reflection power, if iX is 0, then output voltage is 0 with the phase contrast of output electric current.Thus, in operation process, along with the power of electromagnetic field system surgery systems exports, the load impedance of biological tissue also can change, according to output reflection power signal PrAnd phase signalBe appreciated that the variable condition of tissue load impedance, such as, phase signal be not 0 and output reflection power signal bigger, represent that the imaginary part of tissue load impedance becomes big, effective power P of tissue is given in output0Relatively fewer, reflected wave powers signal P can be passed throughrIt is multiplied by certain penalty coefficient α to effective power P0Compensate, effective power P after being then compensated by adder calculator0+αPr.Difference superposition can pass through calculus of differences circuit realiration, such as, differential operational amplifier.
For above-mentioned control equipment, during concrete use, CPU control module receives the work order from output control switch module, controls the first switching circuit and the second switching circuit according to work order, is connected by output circuit corresponding for mode of operation in work order.Then, CPU control module controls the electromagnetic power signal of high-frequency signal source module output predeterminated frequency according to work order;The electromagnetic power signal amplified through power amplifier module is exported the procedures electrode of correspondence by the output circuit connected by electrode interface, to process biological tissue;Simultaneously, CPU control module feedback control circuit module samples keeps the output voltage signal of power amplifier module, output current signal, output voltage signal and the phase signal of output current signal, output reflection power signal, the signal of sampling is processed, and the signal after processing is converted into direct current signal, CPU control module exports according to preset input power, preset fiducial value, output voltage signal, output current signal, the gain control value that phase signal and output reflection power signal obtain is to the gain control end of power amplifier module, power amplifier module is made to export power required when particular organization's load or tissue load change.
Surgical apparatus relevant safety standard specifies that the high-frequency leakage current of surgical apparatus should be less than fixed value, such as, 100mA is should be less than under monopolar operation pattern, the control equipment output High frequency electromagnetic power signal of this utility model embodiment, using operating frequency in relatively prior art is the signal of 370KHz, can produce bigger leakage current.
As shown in Figure 2, in one embodiment of this utility model, control equipment can also include: resonance circuit 80, one end of resonance circuit 80 is connected to the outfan of output circuit 603, other end ground connection is (owing to controlling the shell meeting ground connection of equipment, therefore, can be understood as at output circuit herein and control to access between device housings resonance circuit);The impedance adjustable of resonance circuit 80, resonance circuit 80 with control equipment swim electric capacity and discrete electric capacity constitutes shunt-resonant circuit on above-mentioned predeterminated frequency.Wherein, swim electric capacity and discrete electric capacity is swim electric capacity and the discrete electric capacity formed between output circuit module, cable and the earth of above-mentioned predeterminated frequency time control control equipment, it is to cause patient to reduce with output circuit module isolation, the main cause that high-frequency leakage current increases, above-mentioned cable is used for connecting control equipment and procedures electrode.The annexation of resonance circuit is only described in Fig. 2 as a example by an output circuit, and in actual applications, each output circuit all can connect a resonance circuit, to suppress leakage current.Resonance circuit 80 can be made up of by the way of series connection and/or parallel connection at least one resistance, at least one electric capacity, at least one inductance, and wherein, resistance, electric capacity, inductance may each be adjustable.
In the present embodiment, resonance circuit is accessed between output circuit and the earthing of casing end controlling equipment, this resonance circuit swims electric capacity and discrete electric capacity constitutes shunt-resonant circuit in operating frequency (the most above-mentioned predeterminated frequency) with invisible, and in operating frequency, keep resonance, make between the output circuit module of control equipment and the earth, to form the biggest impedance (infinitely great in theory), thus reduce the high-frequency leakage current owing to swimming electric capacity and discrete electric capacity causes, improve patient and the isolation of output circuit module, solve the problem that high-frequency leakage current is bigger.
Such as, the structure of resonance circuit 80 can be found in shown in Fig. 3, and Z represents that P represents electrode by the impedance ground swimming electric capacity and discrete electric capacity causes.The structure of resonance circuit can also is that inductance and capacitances in series, and its structure can multiple change, and does not enumerates.
Electrode interface 70 can be monopolar electrode interface, bipolar electrode interface or scope electrode interface, in actual applications, according to specific needs, can arrange at least one in above three electrode interface on the control device, to meet different operation demands.
Compared with the low frequency signal (generally using frequency is the signal within 5MHz) that surgical apparatus in prior art uses, this utility model embodiment uses high-frequency signal, biological tissue is enough cut by the energy being transferred to bipolar electrode, solves bipolar electrode in prior art and can only carry out solidifying and the problem that can not cut.
In one embodiment, control equipment can also include: insulated power supplies module, display input module and security protection module.Wherein, insulated power supplies module is respectively connecting to high-frequency signal source module 10, power amplifier module 20, feedback circuit module 30, CPU control module 40, output control switch module 50, display input module and security protection module, and insulated power supplies module is for powering for control equipment;Display input module is additionally coupled to CPU control module 40, for showing information and providing the interface of input information;Security protection module is additionally coupled to high-frequency signal source module 10, power amplifier module 20 and CPU control module 40, is used for preventing over-voltage and over-current.
It addition, control equipment can also arrange phonological loop, being connected to CPU control module 40, for reporting to the police or sound prompt function, such as, prompting current operation mode or current operating power are how many.
This utility model embodiment additionally provides a kind of electromagnetic field system surgery systems, Fig. 4 is the structural representation of the electromagnetic field system surgery systems of this utility model embodiment, as shown in Figure 4, this electromagnetic field system surgery systems includes: control equipment 100, at least one electrode 200 and the cable 300 of correspondence thereof, wherein, control equipment 100 is the control equipment described by above-described embodiment, electrode 200 is connected to control equipment 100 by corresponding cable 300, and at least one electrode 200 can be at least one in monopolar electrode, bipolar electrode and scope electrode.
By above-mentioned electromagnetic field system surgery systems, the electromagnetic power signal of control equipment output upper frequency, this electromagnetic power signal exports electrode by cable, electromagnetic field and the interaction of induced electromagnetic field is produced between electrode and biological tissue, thus produce arc discharge and Joule heat, utilizing arc discharge and Joule heat, can cut biological tissue, solidification etc. processes.Further, this electromagnetic field system surgery systems provides multiple electrode, can meet different operation demands.Additionally, control equipment therein carries out gain control according to effective power and preset value, make power amplifier module export best power required when particular organization's load or tissue load change, improve power attenuation and instability problem that tissue load causes with power exporting change.
Above-mentioned electromagnetic field system surgery systems can also include: foot switch and cable thereof, and foot switch is connected on control equipment the interface of correspondence by cable, and foot switch is used for selecting to cut or solidification.Such as, when doctor uses bipolar electrode to perform the operation, tramp with one's feet and cut switch, then use bipolar electrode to carry out the incision of biological tissue;Tramp with one's feet and solidify switch, then use bipolar electrode to solidify.
In one embodiment, cable 300 can be coaxial cable, including: heart yearn and the shielding line that surrounded this heart yearn with coaxial manner by insulant.Cable 300 can include multiple segmentation cable, and in adjacent segmentation cable, the diameter of the segmentation cable near electrode 200 side is less than the diameter of the segmentation cable near control equipment 100 side.The diameter of the segmentation cable near electrode 200 side is thin, can alleviate cable weight, improves the stability that the hand-held electrode of doctor carries out performing the operation.
Can be connected by center tap between adjacent segmentation cable, center tap is internally provided with and includes the circuit of at least one device in transformator, inductance, electric capacity.As shown in Figure 5, A represents the segmentation cable (thick coaxial cable) near control equipment 100 side, B represents the segmentation cable (thin coaxial cable) near electrode 200 side, 1 represents heart yearn, and 2 represent shielding line, and center tap interior by dashed box for cable A and cable B is connected, center tap in Fig. 5 is as a example by transformator, improve the voltage on cable B, and then improve the voltage being transferred on electrode 200, be conducive to cutting biological tissue.
In one end that cable 300 is connected with electrode 200, the shielding line of cable 300 is as without source output terminal, and heart yearn is connected with electrode 200 as active output terminal, active output terminal.
For bipolar electrode, can be tweezers bipolar electrode, it is also possible to be monopolar type bipolar electrode.Wherein, the cable that tweezers bipolar electrode is corresponding with bipolar electrode connects;Monopolar type bipolar electrode can be corresponding with monopolar electrode cable connect, it is achieved bipolar cut solidification function.Monopolar type bipolar electrode includes two branch electrodes, and the branch electrodes being connected with active output terminal (heart yearn of cable) is as anelectrode, and the branch electrodes being connected with without source output terminal (shielding line of cable) is as negative electrode.Anelectrode and negative electrode can pass through insulant (such as, the dividing plate of ceramic material) isolation, constitute open-circuit condition, and keep certain physical distance in space;Or, anelectrode is connected by resistive material with negative electrode, and such as, when using bipolar electrode to carry out tissue processing, biological tissue can be equivalent to resistance.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means that the specific features, structure, material or the feature that combine this embodiment or example description are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only specific embodiment of the utility model; it is not used to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.

Claims (7)

1. one kind controls equipment, it is applied to electromagnetic field system surgery systems, it is characterized in that, including: high-frequency signal source module, power amplifier module, feedback circuit module, CPU control module, output control switch module, output circuit module and at least one electrode interface;
The input of described power amplifier module is connected to described high-frequency signal source module;The input of described output circuit module is connected to the outfan of described power amplifier module, and the outfan of described output circuit module is connected at least one electrode interface described;The input of described feedback circuit module is connected to the outfan of described power amplifier module, the outfan of described feedback circuit module is connected to described CPU control module, and described CPU control module is additionally coupled to the gain control end of described power amplifier module, described high-frequency signal source module and described output control switch module;
Described high-frequency signal source module, for exporting the electromagnetic power signal of predeterminated frequency;
Described output circuit module, for being transferred to procedures electrode by the electromagnetic power signal amplified through described power amplifier module by described electrode interface, to process biological tissue;
Described feedback circuit module, the output voltage signal of described power amplifier module, output current signal, described output voltage signal and the phase signal of described output current signal, output reflection power signal is kept for sampling, to sampling signal process, and will process after signal be converted into direct current signal;
Described CPU control module, gain control end for the gain control value extremely described power amplifier module that output obtains according to preset input power, default fiducial value, described output voltage signal, described output current signal, described phase signal and described output reflection power signal, receive the work order that described output control switch module sends, and output control instruction;
Described output control switch module, is used for exporting described work order, and wherein, described work order is used for indicating mode of operation and instruction output or stopping exporting described electromagnetic power signal;
Described output circuit module includes: the isolating transformer that is sequentially connected with, the first switching circuit, at least one output circuit, the second switching circuit, partiting dc circuit;
Wherein, described first switching circuit and described second switching circuit, it is additionally coupled to described CPU control module, for controlling being switched on or switched off of described output circuit according to the control instruction from described CPU control module;
At least one output circuit described and at least one electrode interface one_to_one corresponding described.
Control equipment the most according to claim 1, it is characterised in that described control equipment also includes: resonance circuit, one end of described resonance circuit is connected to the outfan of described output circuit, other end ground connection;
The impedance adjustable of described resonance circuit, described resonance circuit and described control equipment swim electric capacity and discrete electric capacity constitutes shunt-resonant circuit on described predeterminated frequency;
Wherein, described in swim electric capacity and discrete electric capacity is swim electric capacity and the discrete electric capacity formed between the described output circuit module of the described control equipment when described predeterminated frequency, cable and the earth, described cable is used for connecting described control equipment and described procedures electrode.
Control equipment the most according to claim 1 and 2, it is characterised in that at least one electrode interface described includes: in monopolar electrode interface, bipolar electrode interface and scope electrode interface at least one.
4. an electromagnetic field system surgery systems, it is characterised in that including: control equipment, at least one electrode and the cable of correspondence thereof according to any one of claims 1 to 3, wherein, described electrode is connected to described control equipment by corresponding cable.
Electromagnetic field system surgery systems the most according to claim 4, it is characterised in that
Described cable includes: heart yearn and surrounded the shielding line of described heart yearn with coaxial manner by insulant;
Described cable includes multiple segmentation cable, and in adjacent segmentation cable, the diameter of the segmentation cable near described electrode side is less than the diameter of the segmentation cable near described control equipment side;
Being connected by center tap between adjacent segmentation cable, described center tap is internally provided with and includes the circuit of at least one device in transformator, inductance, electric capacity.
6. according to the electromagnetic field system surgery systems described in claim 4 or 5, it is characterised in that at least one electrode described includes: in monopolar electrode, bipolar electrode and scope electrode at least one.
Electromagnetic field system surgery systems the most according to claim 6, it is characterized in that, described bipolar electrode includes two branch electrodes, the branch electrodes being connected with the heart yearn of cable is as anelectrode, the branch electrodes being connected with the shielding line of cable is as negative electrode, and wherein, described anelectrode is isolated by insulant with described negative electrode, constitute open-circuit condition, and keep predetermined physical distance in space;Or, described anelectrode is connected by resistive material with described negative electrode.
CN201620070612.2U 2016-01-25 2016-01-25 Controlgear and electromagnetism sword surgical system Active CN205433883U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620070612.2U CN205433883U (en) 2016-01-25 2016-01-25 Controlgear and electromagnetism sword surgical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620070612.2U CN205433883U (en) 2016-01-25 2016-01-25 Controlgear and electromagnetism sword surgical system

Publications (1)

Publication Number Publication Date
CN205433883U true CN205433883U (en) 2016-08-10

Family

ID=56581111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620070612.2U Active CN205433883U (en) 2016-01-25 2016-01-25 Controlgear and electromagnetism sword surgical system

Country Status (1)

Country Link
CN (1) CN205433883U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105832406A (en) * 2016-01-25 2016-08-10 安进医疗科技(北京)有限公司 Power control method, power control device, control equipment, control method and electromagnetic knife surgery system
CN107833735A (en) * 2017-10-31 2018-03-23 赛诺微医疗科技(浙江)有限公司 Resonance transformer and use its electric knife equipment
CN110916763A (en) * 2019-07-01 2020-03-27 广州易和医疗技术开发有限公司 Ultrasonic radio frequency minimally invasive surgery system for isolated communication

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105832406A (en) * 2016-01-25 2016-08-10 安进医疗科技(北京)有限公司 Power control method, power control device, control equipment, control method and electromagnetic knife surgery system
CN105832406B (en) * 2016-01-25 2023-10-13 安进医疗科技(北京)有限公司 Power control method and device, control equipment and method and electromagnetic knife operation system
CN107833735A (en) * 2017-10-31 2018-03-23 赛诺微医疗科技(浙江)有限公司 Resonance transformer and use its electric knife equipment
CN110916763A (en) * 2019-07-01 2020-03-27 广州易和医疗技术开发有限公司 Ultrasonic radio frequency minimally invasive surgery system for isolated communication

Similar Documents

Publication Publication Date Title
US10973565B2 (en) Interdigitation of waveforms for dual-output electrosurgical generators
CN105832406A (en) Power control method, power control device, control equipment, control method and electromagnetic knife surgery system
CN205433883U (en) Controlgear and electromagnetism sword surgical system
EP2826433B1 (en) Electrosurgical generator with continuously and arbitrarily variable crest factor
CN107397585B (en) Method and apparatus for controlling power delivered by an electrosurgical probe
EP2289445A1 (en) Electrosurgical generator with an isolating fiber optic connection circuit
CN107334523B (en) Electrosurgical generator and electrosurgical system
WO2020114341A1 (en) Electrosurgical generator and electrosurgical system with variable frequency output
CN210170159U (en) Variable frequency output electrosurgical generator and electrosurgical system
CA2110684A1 (en) Electrosurgical and Ultrasonic Surgical System
WO2002053048A1 (en) Electrosurgical high frequency power source
CA2806164A1 (en) Medical device
US4580562A (en) Electrosurgical apparatus
EP1693015A3 (en) Electrosurgical apparatus
CN111544109B (en) Multi-channel radio frequency output circuit and ablation equipment
CN103023012B (en) A kind of method for designing of flexible direct-current transmission system converter station filter
CN212515446U (en) Ultrasonic transducer control device
GB2573288A (en) Microwave amplifier
CN103417292A (en) Electrosurgery simulation system
WO2013186533A1 (en) Electrosurgical instrument and system
CN202409856U (en) Radio frequency generator of PWM (pulse-width modulation) power modulation
CN205514893U (en) Electrode controlling means and electromagnetism sword surgical system
CN105832410B (en) Electrode control device, method and electromagnetic knife operation system
CN213310245U (en) High-frequency electrotome equipment of wicresoft
CN210250054U (en) Radio frequency particle knife

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant