CN103462685B - A kind of electric control gear for heat setting cutter - Google Patents
A kind of electric control gear for heat setting cutter Download PDFInfo
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- CN103462685B CN103462685B CN201310415574.0A CN201310415574A CN103462685B CN 103462685 B CN103462685 B CN 103462685B CN 201310415574 A CN201310415574 A CN 201310415574A CN 103462685 B CN103462685 B CN 103462685B
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- mcu module
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Abstract
The present invention discloses a kind of electric control gear for heat setting cutter, MCU module (1) is provided with, master switch, blood coagulation switch and cutting switch that MCU module (1) periphery is respectively equipped with coupled touch screen (4), memorizer (5) and is arranged on heat setting cutter in described electric control gear; MCU module (1) periphery is also provided with the coupled power amplification circuit connected and composed with relay (7) by amplifier (2), MOS switching tube (3), the grid of MOS switching tube (3) is connected with amplifier (2), source electrode is connected with relay (7), drains to be connected with the heating wire being arranged on heat setting cutter cutter head (6); MCU module (1) can produce pulse width modulating signal, pulse width modulating signal is acted on after power amplification circuit power amplification on heating wire (6), can realize controlling the temperature of heating wire (6) by the dutycycle of regulating impulse bandwidth modulation signals, simple structure, high reliability.
Description
Technical field
The present invention relates to medical apparatus and instruments thermal weld field, specifically a kind of electric control gear for heat setting cutter.
Background technology
At present in Minimally Invasive Surgery, heat setting cutter are one of most important apparatuses of thermal weld technological system, mainly produce heat by low-tension current by heating wire, remake and reach the object of solidifying and cutting for soft tissue, its low-tension current realizes mainly through electric control circuit, and the existing electric control gear for heat setting cutter is generally made up of pure circuit, produce adjustable DC voltage and act on object heating wire reaching and regulates temperature, and the general manual knob that uses operates adjustment, complex structure control accuracy is low, the requirement that Minimally Invasive Surgery is more and more higher can not be adapted to.
Summary of the invention
The object of the present invention is to provide a kind of electric control gear for heat setting cutter, this electric control gear structure is simple, control accuracy is high and simple to operation, intuitively intellectuality.
The technical solution adopted for the present invention to solve the technical problems is:
For an electric control gear for heat setting cutter, be provided with MCU module in described electric control gear, MCU module periphery is respectively equipped with coupled touch screen, memorizer and is arranged on master switch, blood coagulation switch and the cutting switch on heat setting cutter; Described MCU module periphery is also provided with the coupled power amplification circuit connected and composed by amplifier, MOS switching tube and relay, the grid of MOS switching tube is connected with amplifier, source electrode is connected with relay, drains to be connected with the heating wire being arranged on heat setting cutter cutter head.
Described MCU module periphery is also provided with the coupled signal sample circuit connected and composed by filter circuit and sampling resistor, and sampling resistor is series between MOS switching tube and heating wire.
MCU module is common matured product, has signals collecting and logical operations processing capacity, can produce pulse width modulating signal; The power amplification circuit connected and composed by amplifier, MOS switching tube and relay carries out power amplification to the pulse width modulating signal that MCU module exports, and then acts on heating wire electric-heating-wire-heating; Filter circuit feeds back to MCU module after the pulsed current signal that sampling resistor obtains is processed into continuous print unidirectional current and realizes closed loop control; Touch screen is a kind of touch control display device, can be conveniently used for arranging controling parameters and display working condition; Memorizer is read-write memory device, is used for storing the supplemental characteristic arranged.
The invention has the beneficial effects as follows, MCU module is used to produce pulse width modulating signal, act on heating wire after carrying out power amplification via power amplification circuit, the temperature that can be realized heating wire by the dutycycle of regulating impulse bandwidth modulation signals is controlled, and structure is simple; Signal sample circuit realizes closed loop control to by feeding back to MCU module after the current signal real-time sampling of heating wire, and control accuracy is high; Adopt touch screen, simple and direct-viewing operation is intelligent.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is schematic block circuit diagram of the present invention;
Fig. 2 is the structural representation of heat setting cutter;
1.MCU module, 2. amplifier, 3.MOS switching tube, 4. touch screen, 5. memorizer; 6. heating wire, 7. relay, 8. master switch, 9. blood coagulation switch, 10. cutting switch, 11. filter circuits, 12. sampling resistors.
Detailed description of the invention
Shown in composition graphs 1 and Fig. 2, use MUC module 1 to produce pulse width modulating signal in the present invention, the signal power exported due to MUC module 1 is lower, need to carry out power amplification process to pulse-width signal, connect and compose power amplification circuit by amplifier 2, MOS switching tube 3 and relay 7 to be connected with MUC module 1, the grid of MOS switching tube 3 is connected with amplifier 2, and source electrode is connected with relay 7, drains to be connected with the heating wire 6 being arranged on heat setting cutter cutter head; Main circuit voltage adopts direct current 3.3V, and power amplification circuit voltage adopts direct current 9V; MCU module 1 periphery is also provided with the coupled master switch 8, blood coagulation switch 9 and the cutting switch 10 that are installed on heat setting cutter; After master switch 8 is closed, the adhesive of relay 7 coil, 9V DC voltage is added on MOS switching tube 3 by relay 7, pulse width modulating signal after amplifier 2 amplifies acts on MOS switching tube 3, be used for the break-make of control MOS switching tube 3, along with the break-make of MOS switching tube 3,9V DC voltage is added on heating wire 6 with impulse form, the dutycycle changing pulse-width signal by MUC module 1 heating wire 6 heated, as long as just can realize the adjustment to heating wire 6 temperature; In order to reach control accuracy more accurately, have employed sampling resistor 12 to be electrically connected with filter circuit 11 and to form signal sample circuit to the electric current real-time sampling by heating wire 6, sampling resistor 12 is series between MOS switching tube 3 and heating wire 6, the current processing of impulse form is feed back to MUC module 1 after continuous print unidirectional current by filter circuit 11, MUC module 1 exports new pulse width modulating signal again by after feedback signal process, realizes closed loop control; MUC module 1 periphery is also provided with touch screen 4 and memorizer 5, can be arranged all working parameter comprising blood coagulation and cutting by touch screen 4, and is presented on touch screen 4 by the parameter of setting and real-time duty; Memorizer 5 stores all parameters, calls in order to during needs; MUC module 1 can export different pulse-width signals according to touch screen 4 being arranged different parameters; after blood coagulation switch 9 is closed; MUC module 1 is according to coagulation parameters output pulse width modulation signal; after cutting switch 10 is closed; MUC module 1 according to cutting parameter output pulse width modulation signal, thus to the requirement of different temperatures when reaching operation, when blood coagulation switch 9 and cutting switch 10 are simultaneously closed; MUC module 1 does not output signal, and realizes the defencive function in maloperation situation.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention; Any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent replacement, equivalence change and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (1)
1. the electric control gear for heat setting cutter, it is characterized in that, MCU module (1) is provided with, master switch, blood coagulation switch and cutting switch that MCU module (1) periphery is respectively equipped with coupled touch screen (4), memorizer (5) and is arranged on heat setting cutter in described electric control gear, described MCU module (1) periphery is also provided with coupled by amplifier (2), the power amplification circuit that MOS switching tube (3) and relay (7) connect and compose, the grid of MOS switching tube (3) is connected with amplifier (2), source electrode is connected with relay (7), drain electrode is connected with the heating wire (6) being arranged on heat setting cutter cutter head, described MCU module (1) periphery is also provided with the coupled signal sample circuit connected and composed by filter circuit (11) and sampling resistor (12), sampling resistor (12) is series between MOS switching tube (3) and heating wire (6), sampling resistor (12) and filter circuit (11) are electrically connected and form signal sample circuit to the electric current real-time sampling by heating wire (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415574.0A CN103462685B (en) | 2013-09-13 | 2013-09-13 | A kind of electric control gear for heat setting cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415574.0A CN103462685B (en) | 2013-09-13 | 2013-09-13 | A kind of electric control gear for heat setting cutter |
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| Publication Number | Publication Date |
|---|---|
| CN103462685A CN103462685A (en) | 2013-12-25 |
| CN103462685B true CN103462685B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310415574.0A Active CN103462685B (en) | 2013-09-13 | 2013-09-13 | A kind of electric control gear for heat setting cutter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104434297B (en) * | 2014-12-22 | 2017-02-22 | 东南大学 | Intelligent temperature control electric-heating scalpel |
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| CN1586420A (en) * | 2004-07-22 | 2005-03-02 | 上海交通大学 | Power generating and monitoring circuit of radio frequency melting therapeutic system |
| CN1961842A (en) * | 2005-11-11 | 2007-05-16 | 甘永兵 | G-S multifunctional integral therapeutic machine |
| CN101069651A (en) * | 2007-06-19 | 2007-11-14 | 刘金成 | High-frequency electric knife |
| EP1905371A1 (en) * | 2006-09-29 | 2008-04-02 | Olympus Medical Systems Corp. | Electrosurgical system |
| CN101766503A (en) * | 2009-12-25 | 2010-07-07 | 天津市赛盟医疗科技有限公司 | Microwave electrotome two-purpose therapeutic instrument |
| CN203493734U (en) * | 2013-09-13 | 2014-03-26 | 安徽奥弗医疗设备科技有限公司 | Electric control device used for thermal coagulation cutter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2460062Y (en) * | 2001-01-18 | 2001-11-21 | 上海沪通电子有限公司 | Mixed cutting electric knife |
| JP4249070B2 (en) * | 2004-03-26 | 2009-04-02 | 有限会社東京医科電機製作所 | Electric scalpel device |
| US8454590B2 (en) * | 2010-02-26 | 2013-06-04 | Covidien Lp | Enhanced lossless current sense circuit |
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2013
- 2013-09-13 CN CN201310415574.0A patent/CN103462685B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586420A (en) * | 2004-07-22 | 2005-03-02 | 上海交通大学 | Power generating and monitoring circuit of radio frequency melting therapeutic system |
| CN1961842A (en) * | 2005-11-11 | 2007-05-16 | 甘永兵 | G-S multifunctional integral therapeutic machine |
| EP1905371A1 (en) * | 2006-09-29 | 2008-04-02 | Olympus Medical Systems Corp. | Electrosurgical system |
| CN101069651A (en) * | 2007-06-19 | 2007-11-14 | 刘金成 | High-frequency electric knife |
| CN101766503A (en) * | 2009-12-25 | 2010-07-07 | 天津市赛盟医疗科技有限公司 | Microwave electrotome two-purpose therapeutic instrument |
| CN203493734U (en) * | 2013-09-13 | 2014-03-26 | 安徽奥弗医疗设备科技有限公司 | Electric control device used for thermal coagulation cutter |
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| CN103462685A (en) | 2013-12-25 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 5019 No. 233020 Anhui province Bengbu Huai District Huai Road Applicant after: Anhui Aofo Medical Equipment Technology Co., Ltd. Address before: 5019 No. 233020 Anhui province Bengbu Huai District Huai Road Applicant before: Anhui Aofu Medical Equipment & Tech Co., Ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Duan Yu Inventor after: Ye Bing Inventor after: Hu Yi Inventor after: Wang Jin Inventor after: Yu Haidong Inventor after: Miao Changsheng Inventor after: Xie Hongnian Inventor before: Duan Heping Inventor before: Ye Bing Inventor before: Hu Yi Inventor before: Wang Jin Inventor before: Yu Haidong Inventor before: Miao Changsheng Inventor before: Xie Hongnian |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ANHUI AOFU MEDICAL EQUIPMENT CO., LTD. TO: ANHUI AOFO MEDICAL EQUIPMENT TECHNOLOGY CO., LTD. Free format text: CORRECT: INVENTOR; FROM: DUAN HEPING YE BING HU YI WANG JIN YU HAIDONG MIAO CHANGSHENG XIE HONGNIAN TO: DUAN YU YE BING HU YI WANG JIN YU HAIDONG MIAO CHANGSHENG XIE HONGNIAN |
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| C14 | Grant of patent or utility model | ||
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Address after: 233000 workshop 1, No. 551, Gaoxin Road, high tech Zone, Bengbu City, Anhui Province Patentee after: ANHUI AOFO MEDICAL EQUIPMENT TECH Corp. Address before: 233020 5019 Huai Shang Road, Huai District, Bengbu, Anhui Patentee before: ANHUI AOFO MEDICAL EQUIPMENT TECH Corp. |
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