CN2064221U - Medical electric high frequency operation-apparatus controlled by computer - Google Patents
Medical electric high frequency operation-apparatus controlled by computer Download PDFInfo
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- CN2064221U CN2064221U CN 90203325 CN90203325U CN2064221U CN 2064221 U CN2064221 U CN 2064221U CN 90203325 CN90203325 CN 90203325 CN 90203325 U CN90203325 U CN 90203325U CN 2064221 U CN2064221 U CN 2064221U
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- electric knife
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- power supply
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Abstract
The utility model relates to a medical electric high frequency operation-apparatus controlled by a computer, comprising a computer, a photoelectric isolation controller, an output short circuit protector, a human body impedance sampler, a rectification filtering voltage stabilizing power supply, a double coagulation intermittent controller, a high voltage delay protector, a 660 volts high voltage doubling power supply, a series-parallel modulator, a full-closed knife handle, a casing, and a control panel. The utility model has the advantages of stable operating performance, automatic control, and less power consumption, which can be used for the cutting and the arresting bleeding in the operation of the surgery, gynecology, neurosurgery, etc. The utility model can also be used as the bipolar electrocoagulation of the cervix electrocauterizer and the microsurgery.
Description
This utility model relates to the computer radioknife of using in a kind of medical instruments field, i.e. computer high frequency electric knife.
Existing Electric scalpel, commonly used has: gap discharge-type electric knife, it is to utilize the gap discharge to form high-frequency discharge to constitute electric knife.Another kind is electron tube oscillation mode high frequency electric knife or transistor high frequency electric knife, and they all are the effects that the higher-order of oscillation that utilizes electron tube or transistor to produce is realized electric knife.The major defect of these existing electric knifes is: the operation scope of application is little, complicated operation, and volume is big, and mobility and adaptability are little.The utility model proposes a kind of easy operating that computer technology is combined with required external circuit and constitute, stable and reliable working performance, it is applied widely to perform the operation, and volume is little, and multiple functional Computerized medical high frequency electric knife, it is a kind of medical operation apparatus of a new generation.
The purpose of this utility model is computer technology is incorporated in the medical operation instrument field, constitutes a kind of novel high frequency computer electric knife in conjunction with external circuit.
Characteristics of the present utility model are:
1. the computer that adopts the integrated circuit composition is as main control unit, overcome effectively in the past by poor anti jamming capability in the device that minute the pivot device is formed, component parameter disperses, the operating frequency instability, shortcomings such as power consumption is big have improved the job stability of whole device.
2. select the connection in series-parallel manipulator of VMOS field effect transistor design for use, its output pulse waveform is better than traditional transistor circuit, and all strong than transistor in aspect performances such as outfan residual voltage and temperatures coefficient.Again because the Push And Release of field effect transistor is to utilize UGS, rather than used in the past transistor utilizes current switch, so improved modulation efficiency.
3. adopt the human body impedance sampler, therefore in operation process, human body impedance can be fed back to computer at random, automatic conversion work state in the time of can making device busy--mix and cut or electric coagulating.
4. encapsulate electrotome handle entirely and adopt single switch manual method, and can use the full system type pictorial electrotome head.
5. whole device volume is little, in light weight, and volume is 360 * 340 * 96 cubic millimeters, and weight is 8 kilograms.
Accompanying drawing 1 is the operation principle sketch map of computer high frequency electric knife described in the utility model.
Accompanying drawing 2 is a used computer work sketch map in the high frequency electric knife.
Accompanying drawing 3 is arranged sketch map for the photoelectricity isolation controller.
Accompanying drawing 4 is that output short-circuit protector and human body impedance sampler are arranged sketch map.
Accompanying drawing 5 is the sketch map of rectifying and wave-filtering regulated power supply and 600V high pressure multiplication of voltage power supply.
Accompanying drawing 6 is two intermittent controller sketch maps that coagulate.
Accompanying drawing 7 is a high pressure delay protection device sketch map.
Accompanying drawing 8 is connection in series-parallel manipulator sketch map.
Now in conjunction with the accompanying drawings the operation principle of this utility model computer high frequency electric knife is further described.
Described computer high frequency electric knife, its whole device is by computer (1), photoelectricity isolation controller (2); output short-circuit protector (3); human body impedance sampler (4), rectifying and wave-filtering regulated power supply (5), two intermittent controllers (6) that coagulate; high pressure delay protection device (7); 600V high pressure multiplication of voltage power supply (8), connection in series-parallel manipulator (9), totally-enclosed handle of a knife (10); crust of the device (11), control panel (12) is formed.The operation principle of whole device is: computer (1) is by 8 one-chip computers (101), Z80 series timing counter (102), the compatible A/D converter (103) of 8 μ P that has 8 passage variable connectors, and 74LS series TTL integrate circuit function piece (104) and interface circuit (105) composition; The main control unit of device receives " interruption " signal and each the function output switching signal of being sent by photoelectricity isolation controller (2), each function command is carried out " interruption " back by computer (1) and is preset power output by " software ", and can be by the manual setting output power value, each function is coagulated as mixing to cut with electricity, the power of output is delivered to connection in series-parallel manipulator (9) by computer (1) with modulation signal, and manipulator will be modulated to according to modulation signal that corresponding pulse realizes by the DC voltage of 600V high pressure multiplication of voltage power supply (8) output.Photoelectricity isolation controller (2) shown in Figure 3 is made up of photoelectricity coupling piece and auxiliary circuit, the running voltage of luminous tube is the pulse of the 500HZ that provided by computer (1) in the photoelectricity coupling piece, through amplifying by pulse transformer coupling output, rectifying and wave-filtering provided process again, be characterized in: will carry out effective isolation between high pressure and the low pressure, and to computer (1) output function control signal.
Output short-circuit protector shown in Figure 4 and human body impedance sampler.Wherein, output short-circuit protector (3) is by integrated voltage comparator, the TTL gate circuit, relay is formed, it be used for to manipulator (9) the outfan impedance during less than 200 Europe automatically with the modulation signal open-circuit-protection.
Human body impedance sampler (4) its role is to the human body impedance parameter is delivered to A/D converter by transformer through rectification circuit and definite value potentiometer.When human body impedance during less than 300 Europe, function is transformed into electricity automatically and coagulates by mixing to cut, and, automatically function is transformed into to mix and cuts during greater than 300 Europe at human body impedance.
Rectifying and wave-filtering regulated power supply shown in Figure 5 and 600V high pressure multiplication of voltage power supply.Wherein, rectifying and wave-filtering regulated power supply (5) is to adopt 78 type integrated stable voltage circuits and rectifying block and filter capacitor to form, and it exchanges the side input and is provided by transformator, the rectifying and wave-filtering regulated power supply provides required+5V ,+12V ,+15V to whole device respectively, + 24V, DC voltage.
600V high pressure multiplication of voltage power supply (8) is to adopt two multiplication of voltage patterns to form high-voltage DC power supply, and the high pressure that is produced is delivered to connection in series-parallel manipulator (9).
Two intermittent controllers (6) that coagulate shown in Figure 6 adopt the serial chip of 74LS to form, and it makes output when being mainly used in the work of control bipolar coagulation is alternate output, and can be used for fulgerizing and electric coagulating.
High pressure delay protection device (7) shown in Figure 7 is realized charge protection to 600V high pressure multiplication of voltage power supply (8) by the software instruction control lag relay of computer (1), and interface circuit is (701) among the figure, and time delay command is (I).
Connection in series-parallel manipulator (9) shown in Figure 8 is made up of VMOS field effect high power valve and auxiliary circuit.Two VMOS pipes all are operated on off state, and its peak power output is 500W.Modulation signal is to be provided by computer (1), delivers to connection in series-parallel manipulator (9) through pulse amplification and rectification circuit and pulse transformer.The output of connection in series-parallel manipulator (9) is to be coupled on each function output channel of whole device through high voltage pulse transformer.
The computer radioknife is to adopt totally-enclosed handle of a knife (10) it has a manual switch, the interchangeable one-tenth full system type pictorial of its cutter head electrotome head.In addition, whole device also is equipped with bipolar tweezer and its control foot switch.
Except totally-enclosed handle of a knife, the ingredient of the high frequency electric knife that all the other are above-mentioned all is placed in the crust of the device (11), is operation and control panel (12) in the front portion of shell.
Above-mentioned its embodiment of computer high frequency electric knife is the output of electric knife: mixing TURP is 150W(300 Ω), electricity coagulates and is 250W(300 Ω indirectly), bipolar coagulation is 60W(100 Ω), fulgerizing is 80W(300 Ω).The operating frequency of device is 500KHZ, and power supply is 220V/50HZ, overall dimensions: 360 * 340 * 96 cubic millimeters, weight is 8 kilograms.The electric knife that is constituted is controlled the electric knife work process by computer, discerns the different impedances of the various tissues of human body automatically, adjusts the output of electric knife automatically.Whole device power consumption is little, the efficient height, and reliable operation and stable can be widely applicable for clinical use, as be used for surgery, department of cerebral surgery, department of cardiac surgery, gynecological, Orthopeadic Surgery, the cutting bleeding in the operations such as neurosurgery and department of dermatologry, cervix uteri are fulgerized and the bipolar coagulation of microsurgery.If this utility model adopts the power supply of 110V/60HZ power supply, also be lower than the country of 220V, as countries such as Japan, the U.S. applicable to supply voltage.If adopt the power supply of DC-AC inverter power supply, also can be used for the field medicine of army.
Claims (8)
1, a kind of Computerized medical high frequency electric knife, it is characterized in that described electric knife by computer (1), photoelectricity isolation controller (2), output short-circuit protector (3), human body impedance sampler (4), rectifying and wave-filtering regulated power supply (5), twoly coagulate intermittent controller (6), high pressure delay protection device (7), 600V high pressure multiplication of voltage power supply (8), connection in series-parallel manipulator (9), totally-enclosed handle of a knife (10) and shell (11) and control panel (12) is formed.
2, according to the described computer high frequency electric knife of claim 1, the gating signal that it is characterized in that described electric knife output function is to deliver to computer (1) by photoelectricity isolation controller (2).
3,, it is characterized in that the main control unit computer (1) of described electric knife is made up of 8 one-chip computers, Z80 series timing counter, the compatible A/D converter of 8 μ P that has 8 passage variable connectors and 74LS series TTL circuit according to the described computer high frequency electric knife of claim 1.
4, according to the described computer high frequency electric knife of claim 1; it is characterized in that the connection in series-parallel manipulator (9) of the power output unit of described electric knife for VMOS high power valve composition; the withstand voltage 800V of VMOS high-power FET, its outfan short-circuit protection adopts output short-circuit protector (3).
5,, it is characterized in that described 600V high pressure multiplication of voltage power supply adopts two voltage-multiplying circuits, and produce modulated level according to the described computer high frequency electric knife of claim 1.
6,, it is characterized in that the anti-error of described 600V high pressure multiplication of voltage power supply (8) moment overcurrent protection and on and off switch is to adopt high pressure delay protection device (7) according to the described computer high frequency electric knife of claim 1.
7, according to the described computer high frequency electric knife of claim 1, it is characterized in that the described bipolar coagulation and the output channel of fulgerizing split, bipolar coagulation has the two intermittent controllers (6) that coagulate that are used for duty control.
8,, it is characterized in that electrotome handle is totally-enclosed handle of a knife (10) according to the described computer high frequency electric knife of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90203325 CN2064221U (en) | 1990-03-24 | 1990-03-24 | Medical electric high frequency operation-apparatus controlled by computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90203325 CN2064221U (en) | 1990-03-24 | 1990-03-24 | Medical electric high frequency operation-apparatus controlled by computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2064221U true CN2064221U (en) | 1990-10-24 |
Family
ID=4884541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90203325 Withdrawn CN2064221U (en) | 1990-03-24 | 1990-03-24 | Medical electric high frequency operation-apparatus controlled by computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2064221U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100484493C (en) * | 2002-02-19 | 2009-05-06 | 活性组织连接公司 | System and method for control of tissue welding |
| US9883882B2 (en) | 2013-04-24 | 2018-02-06 | Medovex Corp. | Minimally invasive methods for spinal facet therapy to alleviate pain and associated surgical tools, kits and instructional media |
| USD810290S1 (en) | 2016-01-29 | 2018-02-13 | Medovex Corp. | Surgical portal driver |
| US9980771B2 (en) | 2014-07-30 | 2018-05-29 | Medovex Corp. | Surgical tools for spinal facet therapy to alleviate pain and related methods |
| US10398494B2 (en) | 2014-07-30 | 2019-09-03 | Medovex Corp. | Surgical tools for spinal facet therapy to alleviate pain and related methods |
| US10595919B2 (en) | 2014-12-12 | 2020-03-24 | Medovex Corp. | Surgical tools with positional components |
-
1990
- 1990-03-24 CN CN 90203325 patent/CN2064221U/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100484493C (en) * | 2002-02-19 | 2009-05-06 | 活性组织连接公司 | System and method for control of tissue welding |
| US10980562B2 (en) | 2013-04-24 | 2021-04-20 | Medovex Corp. | Minimally invasive methods for spinal facet therapy to alleviate pain and associated surgical tools, kits and instructional media |
| US9883882B2 (en) | 2013-04-24 | 2018-02-06 | Medovex Corp. | Minimally invasive methods for spinal facet therapy to alleviate pain and associated surgical tools, kits and instructional media |
| US10980563B2 (en) | 2013-04-24 | 2021-04-20 | Medovex Corp. | Minimally invasive methods for spinal facet therapy to alleviate pain and associated surgical tools, kits and instructional media |
| US9980771B2 (en) | 2014-07-30 | 2018-05-29 | Medovex Corp. | Surgical tools for spinal facet therapy to alleviate pain and related methods |
| US10398494B2 (en) | 2014-07-30 | 2019-09-03 | Medovex Corp. | Surgical tools for spinal facet therapy to alleviate pain and related methods |
| US10588688B2 (en) | 2014-07-30 | 2020-03-17 | Medovex Corp. | Surgical tools for spinal facet therapy to alleviate pain and related methods |
| US11253309B2 (en) | 2014-07-30 | 2022-02-22 | Medovex Corp. | Surgical tools for spinal facet therapy to alleviate pain and related methods |
| US12150693B2 (en) | 2014-07-30 | 2024-11-26 | Medovex IP Pty Ltd | Surgical tools for spinal facet therapy to alleviate pain and related methods |
| US10595919B2 (en) | 2014-12-12 | 2020-03-24 | Medovex Corp. | Surgical tools with positional components |
| USD870887S1 (en) | 2016-01-29 | 2019-12-24 | Medovex Corp. | Surgical portal driver |
| USD854150S1 (en) | 2016-01-29 | 2019-07-16 | Medovex Corp. | Surgical portal driver |
| USD810290S1 (en) | 2016-01-29 | 2018-02-13 | Medovex Corp. | Surgical portal driver |
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Addressee: Haidian District Beijing Hua Shen scientific and educational equipment factory Document name: Payment notice |
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| CF01 | Termination of patent right due to non-payment of annual fee |