CN103399603A - Closed-loop feedback loop system used for surgical electrotome - Google Patents
Closed-loop feedback loop system used for surgical electrotome Download PDFInfo
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- CN103399603A CN103399603A CN2013103674730A CN201310367473A CN103399603A CN 103399603 A CN103399603 A CN 103399603A CN 2013103674730 A CN2013103674730 A CN 2013103674730A CN 201310367473 A CN201310367473 A CN 201310367473A CN 103399603 A CN103399603 A CN 103399603A
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Abstract
The invention discloses a closed-loop feedback loop system used for a surgical electrotome, which comprises a high-voltage stabilization power supply module, a low-voltage stabilization power supply module, a display module, a CPU (Central Processing Unit) module, a power amplifier, an A\D (Analog to Digital) converter and a magnetic core transformer output module, wherein input ends of the high-voltage stabilization power supply module and the low-voltage stabilization power supply module are connected with a net power supply; an output end of the high-voltage stabilization power supply module is connected with the power amplifier; an output end of the low-voltage stabilization supply is connected with the CPU module; an output end of the CPU module is connected with the display module and the power amplifier respectively; the power amplifier is connected with the magnetic core transformer output module; the magnetic core transformer output module is connected with the CPU module by the A\D converter; and the power amplifier is a 4M-120W power amplifier. The closed-loop feedback loop system can effectively control generation of high-frequency leakage current, is simple in circuit design and high in conversion efficiency, operates stably, reduces an error of output power of a surgical radiosurgical knife, achieves optimal output and cutting effects, and meets a surgical requirement.
Description
Technical field:
The present invention relates to a kind of medical operation electric wave slicing technique rate control system, relate in particular to a kind of system of closed feedback loop for electrosurgical.
Background technology:
At present, there is strict regulation in country to the high-frequency leakage current of high frequency and radio frequency surgical apparatus, that is: high-frequency leakage current must not surpass 150mA (GB 9706.4 regulations) under peak power output.
Take medical operation electric wave cutter as example, the power of medical operation electric wave cutter control for a long time is a difficult point, the high-power high-frequency switch amplifier, and the line design complexity, debugging difficulty is high, and the power stage error is larger; Its main cause is that the speed of high-power switch tube is inadequate.The switching frequency of general 100KHz left and right, common components and parts can also meet, but switching frequency is to several million, and even tens, power can reach several hectowatts to upper kilowatt hour, and common components and parts just are difficult to accomplish.And all there is defect in the high-frequency electric wave cutter on market in the control of high-frequency leakage current, and leakage current is too high, even surpasses the mxm. of national standard 150mA, therefore when error surpasses certain limit, easily causes patient body injured, causes malpractice.
Summary of the invention:
Technical matters to be solved by this invention is to provide a kind of and can control the too high closed feedback loop system of medical operation electric wave cutter leakage current.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of closed feedback loop system, by high voltage regulated power supply module, low-voltage regulated power supply module, display module, CPU module, power amplifier, A D converter and core transformers output module form; The equal connection network power supply of the input end of described high voltage regulated power supply module and low-voltage regulated power supply module, the output terminal of high voltage regulated power supply module connects power amplifier, the output terminal of low-voltage regulated power supply module connects the CPU module, the output terminal of CPU module connects respectively display module and power amplifier, described power amplifier is connected with the core transformers output module, the core transformers output module by A the D converter with the CPU module, be connected.
Preferably, described power amplifier is the 4M-120W power amplifier.
Compared with prior art, usefulness of the present invention is: this closed feedback loop system can effectively be controlled the generation of high-frequency leakage current, and circuit design is simple, working stability, conversion efficiency are high, reduced the error of operation electric wave cutter output power, reach best output and cutting effect, meet requirements of operation.
The accompanying drawing explanation:
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is closed feedback loop system architecture schematic diagram of the present invention.
In figure: 1, high voltage regulated power supply module; 2, low-voltage regulated power supply module; 3, display module; 4, CPU module; 5, power amplifier; 6, A the D converter; 7, core transformers output module; 8, network source.
Embodiment:
Below in conjunction with the drawings and the specific embodiments, describe the present invention:
A kind of closed feedback loop system shown in Figure 1 is characterized in that: by high voltage regulated power supply module 1, low-voltage regulated power supply module 2, display module 3, CPU module 4, power amplifier 5, A D converter 6 and core transformers output module 7 form; Described power amplifier 5 is the 4M-120W power amplifier; The equal connection network power supply 8 of the input end of described high voltage regulated power supply module 1 and low-voltage regulated power supply module 2, the output terminal of high voltage regulated power supply module 1 connects power amplifier 5, the output terminal of low-voltage regulated power supply module 2 connects CPU module 4, the output terminal of CPU module 4 connects respectively display module 3 and power amplifier 5, described power amplifier 5 is connected with core transformers output module 7, core transformers output module 7 by A D converter 6 with CPU module 4, be connected.
Its specific works mode is as follows: after connecting network source 8, high-voltage power module 1 is power amplifier 5 power supplies, low-tension supply module 2 is display module 3 and 4 power supplies of CPU module, and then by core transformers 7 output enter A D converter 6, A D converter 6 feed back to CPU module 4 and compare, union obtains net result, finally result is outputed to the high-voltage power supply control end, thereby adjust output voltage, reaches the purpose that reduces high-frequency leakage current.
This closed feedback loop system can effectively be controlled the generation of high-frequency leakage current, and circuit design is simple, working stability, conversion efficiency are high, has reduced the error of operation electric wave cutter output power, reaches best output and cutting effect, meets requirements of operation.
It is emphasized that: above is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, every foundation technical spirit of the present invention, to any simple modification, equivalent variations and modification that above embodiment does, all still belongs in the scope of technical solution of the present invention.
Claims (2)
1. the system of the closed feedback loop for electrosurgical, is characterized in that: high voltage regulated power supply module (1), low-voltage regulated power supply module (2), display module (3), CPU module (4), power amplifier (5), A D converter (6) and core transformers output module (7), consist of; The equal connection network power supply of the input end of described high voltage regulated power supply module (1) and low-voltage regulated power supply module (2) (8), the output terminal of high voltage regulated power supply module (1) connects power amplifier (5), the output terminal of low-voltage regulated power supply module (2) connects CPU module (4), the output terminal of CPU module (4) connects respectively display module (3) and power amplifier (5), described power amplifier (5) is connected with core transformers output module (7), core transformers output module (7) by A D converter (6) with CPU module (4), be connected.
2. closed feedback loop system according to claim 1, it is characterized in that: described power amplifier (5) is the 4M-120W power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103674730A CN103399603A (en) | 2013-08-22 | 2013-08-22 | Closed-loop feedback loop system used for surgical electrotome |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103674730A CN103399603A (en) | 2013-08-22 | 2013-08-22 | Closed-loop feedback loop system used for surgical electrotome |
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| CN103399603A true CN103399603A (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103674730A Pending CN103399603A (en) | 2013-08-22 | 2013-08-22 | Closed-loop feedback loop system used for surgical electrotome |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344146A (en) * | 2016-08-30 | 2017-01-25 | 山东华博电气有限公司 | Double-wire electric knife control circuit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126137A (en) * | 1977-01-21 | 1978-11-21 | Minnesota Mining And Manufacturing Company | Electrosurgical unit |
| CN2061445U (en) * | 1989-11-30 | 1990-09-05 | 王晓亮 | High-frequency intellegent surgical knife |
| CN2189324Y (en) * | 1994-03-03 | 1995-02-08 | 中国铁路通信信号总公司研究设计院 | Intelligence and compesation type ac regulated power supply |
| CN201017252Y (en) * | 2006-08-24 | 2008-02-06 | 郑州大学 | High precision controllable electric power |
| CN201861755U (en) * | 2010-12-01 | 2011-06-15 | 天津市赛盟医疗科技有限公司 | Medical high-frequency electric knife |
| CN202257338U (en) * | 2011-10-19 | 2012-05-30 | 沁阳市电业综合公司 | Constant flow source based on power amplifier |
| CN203414872U (en) * | 2013-08-22 | 2014-01-29 | 北京康威电子技术有限公司 | Closed-loop feedback loop system for surgical electric scalpel |
-
2013
- 2013-08-22 CN CN2013103674730A patent/CN103399603A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126137A (en) * | 1977-01-21 | 1978-11-21 | Minnesota Mining And Manufacturing Company | Electrosurgical unit |
| CN2061445U (en) * | 1989-11-30 | 1990-09-05 | 王晓亮 | High-frequency intellegent surgical knife |
| CN2189324Y (en) * | 1994-03-03 | 1995-02-08 | 中国铁路通信信号总公司研究设计院 | Intelligence and compesation type ac regulated power supply |
| CN201017252Y (en) * | 2006-08-24 | 2008-02-06 | 郑州大学 | High precision controllable electric power |
| CN201861755U (en) * | 2010-12-01 | 2011-06-15 | 天津市赛盟医疗科技有限公司 | Medical high-frequency electric knife |
| CN202257338U (en) * | 2011-10-19 | 2012-05-30 | 沁阳市电业综合公司 | Constant flow source based on power amplifier |
| CN203414872U (en) * | 2013-08-22 | 2014-01-29 | 北京康威电子技术有限公司 | Closed-loop feedback loop system for surgical electric scalpel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344146A (en) * | 2016-08-30 | 2017-01-25 | 山东华博电气有限公司 | Double-wire electric knife control circuit |
| CN106344146B (en) * | 2016-08-30 | 2018-10-16 | 山东华博电气有限公司 | The electric knife writing of indictments, appeals, etc. control circuit of two-wire |
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Application publication date: 20131120 |