CN205433880U - Radio frequency electrotomy device - Google Patents
Radio frequency electrotomy device Download PDFInfo
- Publication number
- CN205433880U CN205433880U CN201521098679.9U CN201521098679U CN205433880U CN 205433880 U CN205433880 U CN 205433880U CN 201521098679 U CN201521098679 U CN 201521098679U CN 205433880 U CN205433880 U CN 205433880U
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- circuit
- control circuit
- outfan
- individual packages
- radio frequency
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Abstract
The utility model provides a radio frequency electrotomy device, include: be provided with control circuit the controller, be connected and install operation handle of a knife and the neutral electrode board of being connected with control circuit of operation electrode with control circuit, control circuit is including the pedal isolator of the power of the handle isolator of the neutral electrode board impedance detection circuit of the main control circuit of independent encapsulation, independent encapsulation, independent encapsulation, independent encapsulation, independent encapsulation, RF power amplifier circuit, the resonance circuit of independent encapsulation, RF power amplifier circuit adopts the C -class to recommend power modulation design. The advantage does: RF power amplifier circuit has the inefficient high advantage of themogenesis, control circuit adopts the modularization circuit design of independent encapsulation, has reduced the mutual interference of each modular circuit, improves the electromagnetic compatibility ability.
Description
Technical field
This utility model relates to a kind of electronic therapy device, is specifically related to a kind of radio frequency electric knife operation device.
Background technology
Radio frequency electric knife operation device, it is that a kind of mechanical operation cutter that replaces carries out the electrosurgical unit of tissue cutting, when it is contacted with human body by the radio frequency high tension electric current that active electrode produces, it is achieved to the separation of when injected organism tissue, solidify and gasify, thus play cutting, blood coagulation, the purpose that melts.
Concrete, radio frequency electric knife operation device is mainly connected and is provided with the blade holder of procedures electrode and the indifferent plate electrode that is connected with control circuit forms by being provided with the controller of control circuit with control circuit.Control circuit includes the signal generator circuit exporting characteristic frequency and the power amplification circuit being connected with the outfan of this signal generator circuit.During operation, indifferent plate electrode is placed under patient's body, after signal generator circuit produces first-harmonic or the modulation of characteristic frequency, export to procedures electrode after power amplification circuit amplifies, radiofrequency signal at procedures electrode forms Capacitance Coupled through tissue contact indifferent plate electrode, constitute the loop of rf with procedures electrode, thus complete the operation of the basic operative to when injected organism tissue.
But, radio frequency electric knife operation device of the prior art is primarily present following 2 deficiencies: first, power amplification circuit generally uses the Class A or slip class-a power amplification circuit that special-purpose radio-frequency pipe forms, have that heat is high and inefficient problem, use continuously if long-time, or occurrence temperature is too high and causes the radio frequency idle phenomenon of electric knife operation device, time serious, the most directly burn special-purpose radio-frequency pipe.Therefore, limit radio frequency electric knife operation device and use the most continuously, bring inconvenience for surgical staff；Second, each functional circuit plate in control circuit uses loose discrete design, and each functional circuit plate is prone to generation and interferes, and is also unfavorable for the exchange design of product design upgrading, standardization and Related product simultaneously.
Therefore, the most effectively solve the problems referred to above, significant.
Utility model content
The defect existed for prior art, this utility model provides a kind of radio frequency electric knife operation device, can effectively solve the problems referred to above.
The technical solution adopted in the utility model is as follows:
This utility model provides a kind of radio frequency electric knife operation device, including: it is provided with the controller of control circuit and is connected and is provided with the blade holder of procedures electrode and the indifferent plate electrode being connected with control circuit with control circuit；Described control circuit includes the main control circuit of individual packages, the indifferent plate electrode impedance detection circuit of individual packages, the handle disconnecting switch of individual packages, the power supply of individual packages, the foot-operated disconnecting switch of individual packages, the rf power amplifier circuit of individual packages and resonance circuit；
The input of described main control circuit is connected with described indifferent plate electrode impedance detection circuit, described handle disconnecting switch, described power supply, described foot-operated disconnecting switch respectively；The outfan of described main control circuit is connected with the input of described resonance circuit by described rf power amplifier circuit, and the outfan of described resonance circuit is connected to procedures electrode；
Wherein, described rf power amplifier circuit uses Class C to recommend power modulation design.
Preferably, described rf power amplifier circuit includes that signal processing circuit, mutual dead chick are with drive circuit, power supply modulator circuit, metal-oxide-semiconductor Class C push-pull circuit；Wherein, the input of described signal processing circuit is connected with the outfan of described main control circuit；The outfan of described signal processing circuit is connected with the input of drive circuit with described mutual dead chick；Described mutual dead chick is all connected to the input of described metal-oxide-semiconductor Class C push-pull circuit with the outfan of drive circuit and the outfan of described power supply modulator circuit；The outfan of described metal-oxide-semiconductor Class C push-pull circuit is connected to the input of described resonance circuit.
Preferably, described resonance circuit is multistage LC resonance circuit.
Preferably, described individual packages refers to: the outside potting resin of interlock circuit.
Preferably, independent shell is also included；After the outside potting resin of interlock circuit, it is placed in independent shell.
Preferably, the material of described shell is metal material or plastic material.
The radio frequency electric knife operation device that this utility model provides has the advantage that
(1) by rf power amplifier circuit is carried out particular design, that is: use mutual dead chick with driving, the Class C of power modulation MOS power tube composition recommends power modulation design, there is the inefficient high advantage of heat, therefore, without arranging the cooling system of complexity, operation process allows uninterruptedly use output continuously for a long time, it is ensured that smoothly completing of operation.
(2) control circuit uses the modularized circuit design of individual packages, reduces interfering of each modularized circuit, improves Electro Magnetic Compatibility.It addition, modularized design makes, product design is the most flexible, product up-gradation transformation is the most quick, performance is more stable, it is easy to standardization, therefore, according to application demand, and each individual packages modularized circuit of can individually upgrading, quickly improve design, meet the market demand.
Accompanying drawing explanation
The overall structure schematic diagram of the radio frequency electric knife operation device that Fig. 1 provides for this utility model；
The structural representation of the rf power amplifier circuit that Fig. 2 provides for this utility model.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
In conjunction with Fig. 1, this utility model provides a kind of radio frequency electric knife operation device, including: it is provided with the controller of control circuit and is connected and is provided with the blade holder of procedures electrode and the indifferent plate electrode being connected with control circuit with control circuit；Wherein, control circuit includes the main control circuit of individual packages, the indifferent plate electrode impedance detection circuit of individual packages, the handle disconnecting switch of individual packages, the power supply of individual packages, the foot-operated disconnecting switch of individual packages, the rf power amplifier circuit of individual packages and resonance circuit；
In this utility model, individual packages refers to: the outside potting resin of interlock circuit, then arranges the shell of metal material or plastic material in outside.Use individual packages technology, Electro Magnetic Compatibility can be improved, effectively reduce interfering of each modularized circuit.
The input of main control circuit is connected with indifferent plate electrode impedance detection circuit, handle disconnecting switch, power supply, foot-operated disconnecting switch respectively；The outfan of main control circuit is connected with the input of resonance circuit by rf power amplifier circuit, and the outfan of resonance circuit is connected to procedures electrode；In actual application, resonance circuit is multistage LC resonance circuit.
Wherein, rf power amplifier circuit uses Class C to recommend power modulation design.
With reference to Fig. 2, rf power amplifier circuit includes that signal processing circuit, mutual dead chick are with drive circuit, power supply modulator circuit, metal-oxide-semiconductor Class C push-pull circuit；Wherein, the input of signal processing circuit is connected with the outfan of main control circuit；The outfan of signal processing circuit is connected with the input of drive circuit with mutual dead chick；Dead chick is all connected to the input of metal-oxide-semiconductor Class C push-pull circuit with the outfan of drive circuit and the outfan of power supply modulator circuit mutually；The outfan of metal-oxide-semiconductor Class C push-pull circuit is connected to the input of resonance circuit.Use the rf power amplifier circuit of above-mentioned design, there is the inefficient high advantage of heat.
The radio frequency electric knife operation device that this utility model provides has the advantage that
(1) by rf power amplifier circuit is carried out particular design, that is: use mutual dead chick with driving, the Class C of power modulation MOS power tube composition recommends power modulation design, there is the inefficient high advantage of heat, therefore, without arranging the cooling system of complexity, operation process allows uninterruptedly use output continuously for a long time, it is ensured that smoothly completing of operation.
(2) control circuit uses the modularized circuit design of individual packages, reduces interfering of each modularized circuit, improves Electro Magnetic Compatibility.It addition, modularized design makes, product design is the most flexible, product up-gradation transformation is the most quick, performance is more stable, it is easy to standardization, therefore, according to application demand, and each individual packages modularized circuit of can individually upgrading, quickly improve design, meet the market demand.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should regard protection domain of the present utility model.
Claims (4)
1. a radio frequency electric knife operation device, including: it is provided with the controller of control circuit and is connected and is provided with the blade holder of procedures electrode and the indifferent plate electrode being connected with control circuit with control circuit；It is characterized in that, described control circuit includes the main control circuit of individual packages, the indifferent plate electrode impedance detection circuit of individual packages, the handle disconnecting switch of individual packages, the power supply of individual packages, the foot-operated disconnecting switch of individual packages, the rf power amplifier circuit of individual packages and resonance circuit；
The input of described main control circuit is connected with described indifferent plate electrode impedance detection circuit, described handle disconnecting switch, described power supply, described foot-operated disconnecting switch respectively；The outfan of described main control circuit is connected with the input of described resonance circuit by described rf power amplifier circuit, and the outfan of described resonance circuit is connected to procedures electrode；
Wherein, described rf power amplifier circuit uses Class C to recommend power modulation design；
Wherein, described individual packages refers to: also include independent shell；After the outside potting resin of interlock circuit, it is placed in independent shell.
Radio frequency electric knife operation device the most according to claim 1, it is characterised in that described rf power amplifier circuit includes that signal processing circuit, mutual dead chick are with drive circuit, power supply modulator circuit, metal-oxide-semiconductor Class C push-pull circuit；Wherein, the input of described signal processing circuit is connected with the outfan of described main control circuit；The outfan of described signal processing circuit is connected with the input of drive circuit with described mutual dead chick；Described mutual dead chick is all connected to the input of described metal-oxide-semiconductor Class C push-pull circuit with the outfan of drive circuit and the outfan of described power supply modulator circuit；The outfan of described metal-oxide-semiconductor Class C push-pull circuit is connected to the input of described resonance circuit.
Radio frequency electric knife operation device the most according to claim 1, it is characterised in that described resonance circuit is multistage LC resonance circuit.
Radio frequency electric knife operation device the most according to claim 1, it is characterised in that the material of described shell is metal material or plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098679.9U CN205433880U (en) | 2015-12-25 | 2015-12-25 | Radio frequency electrotomy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098679.9U CN205433880U (en) | 2015-12-25 | 2015-12-25 | Radio frequency electrotomy device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205433880U true CN205433880U (en) | 2016-08-10 |
Family
ID=56579616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521098679.9U Expired - Fee Related CN205433880U (en) | 2015-12-25 | 2015-12-25 | Radio frequency electrotomy device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205433880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044524A (en) * | 2018-06-22 | 2018-12-21 | 武汉大学 | A kind of electric knife power source dynamical output and control system |
| CN114034117A (en) * | 2021-10-29 | 2022-02-11 | 广东汇芯半导体有限公司 | Semiconductor circuit |
-
2015
- 2015-12-25 CN CN201521098679.9U patent/CN205433880U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044524A (en) * | 2018-06-22 | 2018-12-21 | 武汉大学 | A kind of electric knife power source dynamical output and control system |
| CN109044524B (en) * | 2018-06-22 | 2020-04-14 | 武汉大学 | Electrotome power source dynamic output and control system |
| CN114034117A (en) * | 2021-10-29 | 2022-02-11 | 广东汇芯半导体有限公司 | Semiconductor circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Wei Inventor after: Xu Zhengyuan Inventor before: Yu Wei Inventor before: Xu Zhengyuan |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |