CN203942497U - A kind of coagulation power amplification device for medical high frequency electric knife - Google Patents
A kind of coagulation power amplification device for medical high frequency electric knife Download PDFInfo
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- CN203942497U CN203942497U CN201420368629.7U CN201420368629U CN203942497U CN 203942497 U CN203942497 U CN 203942497U CN 201420368629 U CN201420368629 U CN 201420368629U CN 203942497 U CN203942497 U CN 203942497U
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Abstract
The utility model proposes a kind of coagulation power amplification device for medical high frequency electric knife, comprising: spike produces circuit; Spike amplifying circuit, the input of spike amplifying circuit is connected with the output that spike produces circuit; Modulated signal producing circuit; The input of modulation signal amplification circuit is connected with the output of modulated signal producing circuit; The input of spike power amplification circuit is connected with the output of spike amplifying circuit and the output of modulation signal amplification circuit; The output of high voltage source is connected with the input of spike power amplification circuit with the input of spike amplifying circuit; The input of booster circuit is connected spike coagulation signal to be boosted to export high pressure spike coagulation signal with the output of spike power amplification circuit.The utility model utilizes the feature of spike high pressure, does not touch tissue and just can reach good blood coagulation effect.
Description
Technical field
The utility model relates to medical high frequency electric knife technical field, particularly a kind of coagulation power amplification device of medical high frequency electric knife.
Background technology
Electric knife, as a kind of Electrosurgical instrument, is a kind of Electrosurgical instrument that mechanical operation cutter is organized cutting and stopped blooding that replaces.Along with the development of medical science and technology, clinically the coagulation effect of product is proposed to more and more higher requirement, the blood coagulation effect that requires product to have to become better and better in surgical procedure.But existing product is not good aspect control blood coagulation.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
For this reason, an object of the present utility model is to propose a kind of coagulation power amplification device for medical high frequency electric knife, and this device utilizes the feature of spike high pressure, does not touch tissue and just can reach good blood coagulation effect.
To achieve these goals, the utility model embodiment on the one hand provide a kind of coagulation power amplification device for medical high frequency electric knife, comprising: spike produces circuit; Spike amplifying circuit, the input of described spike amplifying circuit is connected that with the output that described spike produces circuit the spike signal that produces circuit from described spike is amplified; Modulated signal producing circuit; Modulation signal amplification circuit, the input of described modulation signal amplification circuit is connected that with the output of described modulated signal producing circuit the modulation signal from described modulated signal producing circuit is amplified; Spike power amplification circuit, the input of described spike power amplification circuit is connected with the output of described spike amplifying circuit and the output of described modulation signal amplification circuit and merges and power amplification with the modulation signal by spike pulse signal after amplifying and after amplifying, and generates spike coagulation signal; High voltage source, the output of described high voltage source is connected with the input of described spike power amplification circuit with the input of described spike amplifying circuit; Booster circuit, the input of described booster circuit is connected that with the output of described spike power amplification circuit described spike coagulation signal is boosted to export high pressure spike coagulation signal, wherein, described booster circuit comprises: high-frequency step-up transformer, and the primary side of described high-frequency step-up transformer is connected with the output of described spike power amplification circuit; Tuning circuit, comprises the first resistance and LC oscillator, and one end of wherein said the first resistance is connected with the secondary end of described high-frequency step-up transformer, and the other end of described the first resistance is connected with described LC oscillator.
In an embodiment of the present utility model, described spike produces circuit and comprises: impulse circuit, and described impulse circuit comprises six inverter buffers; Promote circuit, described promotion circuit comprises that one group of triode is to pipe, wherein, described triode comprises the first and second triodes to pipe, the base stage of described the first and second triodes is connected with the output of described impulse circuit, the emitter that the emitter of described the first triode is connected to described the second triode is connected, output spike pulse signal.
In another embodiment of the present utility model, described the first triode is NPN type triode, and described the second triode is positive-negative-positive triode.
In another embodiment of the present utility model, described spike amplifying circuit comprises: MOSFET pipe, and the grid of described MOSFET pipe is connected to described spike by resistance and produces circuit so that spike signal is amplified; Filter circuit, comprises the second resistance and transformer, and described the second resistance is connected to the drain electrode of described MOSFET pipe, and the primary side of described transformer and described the second resistance is connected in parallel, and secondary end output is amplified and filtered spike signal.
In another embodiment of the present utility model, described modulation signal amplification circuit comprises: two groups of triodes are to pipe.
In an embodiment of the present utility model, described spike power amplification circuit comprises: multiple N-type metal-oxide layer-semiconductor-field-effect transistor MOSFET pipes.
According to the coagulation power amplification device for medical high frequency electric knife of the utility model embodiment, utilize the high-tension feature of spike low current, the thermal effect producing while contact with tissue realizes separating or solidifying when injected organism tissue.Device of the present utility model is in the time contacting with human body, and energy major part is released in surface, discharges area large, and blood coagulation is effective, does not damage deep tissues.And, adopt the medical high frequency electric knife feed of the utility model coagulation power amplification device fast, smog is little.Due to spike high pressure, do not touch tissue and just can reach good blood coagulation effect.
The aspect that the utility model is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the structure chart of the coagulation power amplification device for medical high frequency electric knife of the utility model embodiment;
Fig. 2 is the circuit diagram that produces circuit according to the spike of the utility model embodiment;
Fig. 3 is according to the circuit diagram of the spike amplifying circuit of the utility model embodiment;
Fig. 4 is according to the circuit diagram of the booster circuit of the utility model embodiment.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 1, the coagulation power amplification device for medical high frequency electric knife of the utility model embodiment, comprising: spike produces circuit 1, spike amplifying circuit 2, modulated signal producing circuit 3, modulation signal amplification circuit 4, spike power amplification circuit 5, high voltage source 6 and booster circuit 7.
Particularly, spike produces circuit 1 in order to produce spike signal.Spike produces circuit 1 and comprises impulse circuit and promote circuit.
Shown in figure 2, impulse circuit comprises six inverter buffers (ICA～ICF), in order to production burst signal.Promote circuit and comprise that one group of triode, to pipe, promotes in order to the pulse signal of paired pulses circuit, produce the spike signal with spike.Wherein, triode comprises the first triode 3Q1 and the second triode 3Q2 to pipe, the base stage of the first and second triodes is connected with the output of impulse circuit, and the emitter that the emitter of the first triode 3Q1 is connected to the second triode 3Q2 is connected, output spike pulse signal.
In an example of the present utility model, the first triode is NPN type triode, and the second triode is positive-negative-positive triode.
The input of spike amplifying circuit 2 is connected with the output that spike produces circuit 1, in order to the spike part that produces the spike signal of circuit 1 from spike is amplified, produce the needed signal of power amplifying part, export spike power amplification circuit 5 to.
With reference to figure 3, spike amplifying circuit 2 comprises: MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor, metal-oxide layer-semiconductor-field-effect transistor) pipe Q1 and filter circuit, wherein, the grid energising resistance R5 of MOSFET pipe Q1 is connected to spike and produces circuit 2, amplifies in order to the spike signal that spike generation circuit 1 is generated.Filter circuit comprises the second resistance R 7 and transformer T5, and wherein the second resistance R 7 is connected to the drain electrode of MOSFET pipe Q1.The primary side of transformer T5 and the second resistance R 7 are connected in parallel, and secondary end output is amplified and filtered spike signal.
In an example of the present utility model, MOSFET pipe Q1 is that model is the N-type metal-oxide-semiconductor of 15N100.
Modulated signal producing circuit 3, in order to produce modulation signal.Particularly, the pulse signal of the 30kHz that modulated signal producing circuit 3 provides outside, offers modulation signal amplification circuit 4 through light-coupled isolation.
The input of modulation signal amplification circuit 4 is connected with the output of modulated signal producing circuit 3, in order to amplifying from the modulation signal of modulated signal producing circuit 3.Wherein, modulation signal amplification circuit 4 comprises: two groups of triodes are to pipe amplifying circuit, to carrying out through the modulation signal of light-coupled isolation, one-level promotes and secondary promotes, thereby produces the needed signal of power amplifying part, exports spike power amplification circuit 5 to.
The input of spike power amplification circuit 5 is connected with the output of modulation signal amplification circuit 4 with the output of spike amplifying circuit 2, merge and power amplification in order to the modulation signal by the spike signal after amplifying and after amplifying, generate the spike coagulation signal of large-signal.Wherein, spike power amplification circuit 5 comprises multiple N-type MOSFET pipes.Preferably, spike power amplification circuit 5 comprises the N-type MOSFET pipe that four models are 15N100.
The output of high voltage source 6 is connected with the output of spike power amplification circuit 5 with the input of spike amplifying circuit 2 respectively, thereby provides high voltage source to spike amplifying circuit 2 and spike power amplification circuit 5.
The input of booster circuit 7 is connected with the output of spike power amplification circuit 5, in order to spike coagulation signal is boosted, and output high pressure spike coagulation signal.
With reference to figure 4, booster circuit 7 comprises: high-frequency step-up transformer T6 and tuning circuit.Wherein, the primary side of high-frequency step-up transformer T6 is connected with the output of spike power amplification circuit 5, in order to spike coagulation signal is carried out to boost operations.Tuning circuit comprises the first resistance R 93 and LC oscillator, and wherein one end of the first resistance R 93 is connected with the secondary end of high-frequency step-up transformer T6, and the other end of the first resistance R 93 is connected with LC oscillator.Spike coagulation signal after tuning circuit can make to boost reduces decay, improves signal strength signal intensity.Wherein, LC oscillator is made up of inductance L 18 and capacitor C 88.The frequency of high pressure spike coagulation signal is 30kHz, and due to pulse duration, spy is narrow, so the voltage of high pressure spike coagulation signal can be up to 8000V to 10000V.
According to the coagulation power amplification device for medical high frequency electric knife of the utility model embodiment, utilize the high-tension feature of spike low current, the thermal effect producing while contact with tissue realizes separating or solidifying when injected organism tissue.Device of the present utility model is in the time contacting with human body, and energy major part is released in surface, discharges area large, and blood coagulation is effective, does not damage deep tissues.And, adopt the medical high frequency electric knife feed of the utility model coagulation power amplification device fast, smog is little.Due to spike high pressure, do not touch tissue and just can reach good blood coagulation effect.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in the situation that not departing from principle of the present utility model and aim in scope of the present utility model, amendment, replacement and modification.Scope of the present utility model is extremely equal to and limits by claims.
Claims (6)
1. for a coagulation power amplification device for medical high frequency electric knife, it is characterized in that, comprising:
Spike produces circuit;
Spike amplifying circuit, the input of described spike amplifying circuit is connected that with the output that described spike produces circuit the spike signal that produces circuit from described spike is amplified;
Modulated signal producing circuit;
Modulation signal amplification circuit, the input of described modulation signal amplification circuit is connected that with the output of described modulated signal producing circuit the modulation signal from described modulated signal producing circuit is amplified;
Spike power amplification circuit, the input of described spike power amplification circuit is connected with the output of described spike amplifying circuit and the output of described modulation signal amplification circuit and merges and power amplification with the modulation signal by spike pulse signal after amplifying and after amplifying, and generates spike coagulation signal;
High voltage source, the output of described high voltage source is connected with the input of described spike power amplification circuit with the input of described spike amplifying circuit;
Booster circuit, the input of described booster circuit is connected that with the output of described spike power amplification circuit described spike coagulation signal is boosted, output high pressure spike coagulation signal,
Wherein, described booster circuit comprises:
High-frequency step-up transformer, the primary side of described high-frequency step-up transformer is connected with the output of described spike power amplification circuit;
Tuning circuit, comprises the first resistance and LC oscillator, and one end of wherein said the first resistance is connected with the secondary end of described high-frequency step-up transformer, and the other end of described the first resistance is connected with described LC oscillator.
2. the coagulation power amplification device for medical high frequency electric knife as claimed in claim 1, is characterized in that, described spike produces circuit and comprises:
Impulse circuit, described impulse circuit comprises six inverter buffers;
Promote circuit, described promotion circuit comprises that one group of triode is to pipe, wherein, described triode comprises the first and second triodes to pipe, the base stage of described the first and second triodes is connected with the output of described impulse circuit, the emitter that the emitter of described the first triode is connected to described the second triode is connected, output spike pulse signal.
3. the coagulation power amplification device for medical high frequency electric knife as claimed in claim 2, is characterized in that, described the first triode is NPN type triode, and described the second triode is positive-negative-positive triode.
4. the coagulation power amplification device for medical high frequency electric knife as claimed in claim 1, is characterized in that, described spike amplifying circuit comprises:
MOSFET pipe, the grid of described MOSFET pipe is connected to described spike by resistance and produces circuit so that spike signal is amplified;
Filter circuit, comprises the second resistance and transformer, and described the second resistance is connected to the drain electrode of described MOSFET pipe, and the primary side of described transformer and described the second resistance is connected in parallel, and secondary end output is amplified and filtered spike signal.
5. the coagulation power amplification device for medical high frequency electric knife as claimed in claim 1, is characterized in that, described modulation signal amplification circuit comprises: two groups of triodes are to pipe.
6. the coagulation power amplification device for medical high frequency electric knife as claimed in claim 1, is characterized in that, described spike power amplification circuit comprises: multiple N-type metal-oxide layer-semiconductor-field-effect transistor MOSFET pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368629.7U CN203942497U (en) | 2014-07-04 | 2014-07-04 | A kind of coagulation power amplification device for medical high frequency electric knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368629.7U CN203942497U (en) | 2014-07-04 | 2014-07-04 | A kind of coagulation power amplification device for medical high frequency electric knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203942497U true CN203942497U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368629.7U Expired - Fee Related CN203942497U (en) | 2014-07-04 | 2014-07-04 | A kind of coagulation power amplification device for medical high frequency electric knife |
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| Country | Link |
|---|---|
| CN (1) | CN203942497U (en) |
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2014
- 2014-07-04 CN CN201420368629.7U patent/CN203942497U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20180704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |