CN104000649A - Thermocoagulation surgical system - Google Patents
Thermocoagulation surgical system Download PDFInfo
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- CN104000649A CN104000649A CN201410169773.2A CN201410169773A CN104000649A CN 104000649 A CN104000649 A CN 104000649A CN 201410169773 A CN201410169773 A CN 201410169773A CN 104000649 A CN104000649 A CN 104000649A
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Abstract
The invention relates to a thermocoagulation surgical system comprising a main unit, a surgical knife assembly, and a pedal control system. A computer system, an analog-digital conversion circuit, a temperature control system, an operation prompt circuit and a display circuit are arranged inside the main unit. A power isolation transformer disposed inside the main unit converts mains supply into direct current which is output to the computer system, a display and an electric/heat power converter. The surgical knife assembly comprises a surgical blade and a surgical handle; a heating element is disposed inside the surgical blade and comprises a heating member, an insulating coating layer and a Teflon coating. The pedal control system comprises a pedal switch and a main unit pedal switch socket connected with the same through a wire. The heating member is a looped heating tape in a loop shape; the surface of the surgical blade is externally heated; an external heating circuit is arranged outside the surface of the surgical blade and is precisely controlled by the computer system to be 'hot' or 'unchanged', and usage safety of the surgical blade is ensured.
Description
Technical field
The present invention relates to a kind of Medical surgical system, refer more particularly to a kind of heat setting surgery systems.
Background technology
Scalpel is to carry out operating basic medical apparatus, comprises common metal knife blade and the large class of high frequency electric knife two.Common metal surgical knife tool has cutting sharp, accurately and use dexterous advantage, when but in operation, cutting and separating is organized, can produce hemorrhage, Bleeding control (hemostasis) becomes the important time-consuming part in operation technique, and, the surgeon visual field is disturbed in hemorrhage meeting, extend operating time, reduce the accuracy of operation, when serious, develop complications; The haemostatic effect of high frequency electric knife is clear and definite, but its operation principle is to cross the electricity sparking principle of both positive and negative polarity high-tension electricity, and tissue calcination is produced and cuts off effect; The instantaneous temperature of electricity sparking exceedes 1000 degrees Celsius, organizes eschar carbonization serious, and impact extends organization healing, and discharges multiple harmful smog, affects the indoor medical worker's of closed surgery health.
The eighties in last century, first the U.S. succeeded in developing electric heated scalpel and for clinical (US3768482, US 4219025, US4231071), China in 1999 develop the electric heated scalpel of similar mechanism, and carry out breast carcinoma radical cure, cut open the operations such as palace product, scar excision, the patent No.: 99114117.2, utility model name is called: a kind of internal heated type electric heated scalpel, structure comprises scalpel lamellar body, handle and power supply output main control system.Anterior knife edge part is outwards followed successively by high-melting-point alloy solder layer, heat-conducting metal layer, antistick layer from inner high-speed steel-base, its rear portion knife back part is from outwards thick film circuit layer successively of inner ceramic base, high-temperature electric insulating barrier, heat-conducting metal layer, antistick layer, complicated protection reaches seven layers; Between each layer of front and back two parts of knife back body and front and rear sections part thereof, be all integrated.Form cutter blade, the thick film circuit of thick film circuit layer is drawn by inside conductor, is connected with out-put supply control appliance.Go out power control unit by microprocessor controller, temperature detection and signal conversion circuit and electrical power generation circuit composition.The temperature sensing circuit output of the thick film circuit of cutter blade by the temperature detection of wire and power supply output main control system be connected with signal conversion circuit power circuit for generating output in main control system and by wire be connected with the electricity/thermal power transducer in the thick film circuit of cutter blade, this scalpel structure relative complex, being divided into seven layers affects conduction of heat and result of use.This scalpel adopts high-speed steel base material double team ceramic base material simultaneously, this material is frangible easily crisp between the operating period in this manner of packing, causes length or interruption in service life, and the scalpel of ceramic base material is fragile in operation process, and affect thermal conduction effect, thereby impact operation is carried out, and increase patient cures the injury risk again in period, in addition, ceramic base material is its temperature control inaccuracy in the time of work, and temperature control undercompensation, makes blade mend temperature, rise again not, does not reach the result of use of expection.
In order to overcome one's shortcomings, U.S. Patent number US3768482, US 4219025, US4231071, in described this device blade, be provided with multipoint-parallel or cascaded structure heat generating spot, the shortcoming of this knife blade is: multiple spot heating technique, can cause its blade mend temperature and rise again deficiency, because blade is multiple spot heat radiating structure, heat generating spot can not be conducted by near-end the heat of sufficient amount level to cutter edge, restriction cutting speed and the degree of depth in this case, with respect to whole blade, heating area is little, temperature increase speed is slow, select base material limited thereby further cause, be difficult to maintain the sharpness of knife edge, be unfavorable for marketing and utilization.
In scalpel structure, cutter blade separates with handle is disassembled, and blade is disposable use.When use, the blade disinfecting is contained on handle, end cutter after blade take off.Because blade is through sterilization, the handle of Reusability can not be sterilized, and the draw-in groove of handle dress blade can not be sterilized, so while operation more afterwards, easily form cross infection, this patch plug structure can not meet existing market requirement, is unfavorable for domesticly using and promoting.
Correspondingly, how providing a kind of can meet operation demand in different operations, with sharp durable blade is provided and can accurately control temperature, the operating knife device that can simultaneously carry out safe and effective blood coagulation in tissue cutting become problem in the urgent need to address.
Summary of the invention
For addressing the above problem, the invention provides a kind of heat setting surgery systems that can accurately control temperature, can carry out safe and effective blood coagulation in tissue cutting simultaneously.
A kind of heat setting surgery systems of the present invention, comprising: a main frame, is provided with computer system, mould/number conversion circuit, temperature control system, work prompting sound circuit and display circuit in main frame; In described computer system, be STM32 processor, bis-circuit of X24CL16A are System Control Centers; Memorizer is the Flash memorizer of integrated 32-512KB on sheet or the SRAM memorizer of 6-64KB; System clock is produced by crystal oscillator, and clock, reset and power management are the driving voltage of Power supply and I/O interface, POR, PDR and voltage voltage detector PVD that can journey, the crystal oscillator of 4-16 MHz; Described temperature control system is temperature sensing circuit, temperature control holding circuit and temperature sensing microcircuit; Work prompting sound circuit forms oscillation source circuit by NE555 and X9511, and to the signal driver of loudspeaker, display circuit is the output of MODBUS high speed serialization; Power isolation transformer is housed in main frame, civil power is transformed into direct current and exports computer system, display and electricity/thermal power transducer to.
One scalpel assembly, scalpel assembly is knife blade and blade holder, in described knife blade, be provided with heating element heater, its heating element heater is respectively heater, insulating bag sealing and teflon coatings, described cutter hub rear portion is provided with electrode, described electrode inserts blade holder front end, and knife blade is outside with external heater and external temperature sensor, and its external heater is heating circuit; Described heater is the loop heating tape of loop shape, described loop heating tape in the form of a ring, heating circuit energising when work, electricity/hot function translator converts electrical energy into heat energy, and by the loop heating tape being located on blade, heat being passed to whole blade, described scalpel assembly is connected with main frame by wire.
Foot-operated control system, described foot-operated control system is foot switch and be connected with main frame foot switch socket by wire;
Described foot switch, blade holder and main frame are by microprocessing systems control, described microprocessing systems is connected with electricity/hot function translator by electrical power circuit for generating, described electricity/hot function translator is communicated with knife blade, in described knife blade, temperature is by temperature sensing circuit, temperature control circuit and the control of temperature sensing microcircuit or detection, described temperature sensing circuit is connected with microprocessing systems, temperature sensing microcircuit and electricity/hot function translator is arranged in heating circuit, described microprocessing systems is communicated with display circuit, and temperature in knife blade is shown by display.
Described heating circuit is resistance value by knife blade temperature inversion; form a strain bridge; described temperature control system judges blade temperature by detecting scalpel resistance value; if attemperating unit overtemperature; when blade temperature reaches in the range of application of clinical operation in limited time; in engine control system, be provided with overheat protection function, by cutter blades heating circuit Power supply.
Described main frame is provided with display and foot switch socket, handle socket, volume control knob, work switch key and work heat setting key.
Described blade holder is provided with switch key and heat setting key, and the work switch key that described switch key and heat setting key and main frame are provided with and work heat setting key are used in combination.
Adopt after operating knife device of the present invention, its beneficial effect is:
(1) described knife blade is outside with external heater and external temperature sensor, its external heater is heating circuit, this heating circuit is made into heating resistor by precious metal material, when work, electricity/thermal conversion efficiency is up to 90%-99.99%, adopt reinforced insulation encapsulation process, there is high insulating reliability; Meet after testing the requirement of GB9706.1-2007 standard completely; External temperature sensor is for the construction features design of external-heat blade, for improving temperature-sensitive effect and shortening the sampling of response time application heating circuit self-resistance value.Blade start initial temperature is preferably 70 DEG C of left and right, and blade work temperature is generally preferably (160 DEG C-260 DEG C) left and right, and the microprocessing systems formation temperature closed loop control with main frame, reaches accurate temperature control and thermoregulator object; Heating circuit energising when work, electricity/hot function translator converts electrical energy into heat energy, and by the loop heating tape being located on cutter hub, heat is passed to whole blade, described heater can be the loop heating tape of loop shape, the heating tape of the tape loop that knife blade intermediate layer is provided with, its heating face is large, and power is large, temperature control is rapid and programming rate is fast, effective; It is laminar that knife blade is, and front end one side is provided with blade, and remainder is that cutter hub is multi-layer thin lamellar, and cutter hub basic unit is insulated substrate, and cutter hub is extremely inner is outwards heater, insulating bag sealing and Teflon layer, and cutter hub rear portion is provided with the design of electrode.Heat setting knife blade, simple in structure, surface is provided with Teflon layer, blade face adopts external-heat, and outside heating circuit is in the unilateral outside of scalpel, and forms accuracy-control system control by computer system, make its " band heat " not " charged ", guaranteed the safety that scalpel uses; Its calandria, in the cutter hub surface evolution of heat, to prepare safely and effectively blood coagulation in tissue cutting simultaneously, and can have temperature-compensating fast and larger thermal capacity; Surface antistick layer, in blade work process, plays the effect of anti-stick tissue, overcomes the weak point of other operating theater instruments.
(2) to adopt scalpel assembly be knife blade and blade holder in the present invention, knife blade and blade holder are integrated connection using state, knife blade and blade holder become one, sterilization is also the sterilization that becomes one of knife blade and blade holder, and knife blade and blade holder energy Reusability are repeatedly.Because before using be all one sterilization at every turn, thus safe and reliable, prevent cross infection generation, and saved and cure cost.
(3) in main frame, power isolation transformer is housed, plays the effect of isolated buck, Switching Power Supply is transformed into direct current by civil power and exports computer system, display and electricity/thermal power transducer to.
(4) heating circuit is converted into the variations in temperature of cutter hub the variable quantity of resistance, is sensing resistor initial value, forms a strain bridge.When opening circuit, system will be fallen control end from dynamic circuit breaker, stop powering to cutter.If system crashes, also automatically shut down relay, control system judges that by detection heat setting cutter resistance change judges whether temperature transfinites, if attemperating unit breaks down, occur overheating problem, when blade temperature reaches in the range of application of clinical operation in limited time, engine control system is provided with overheat protection function, by short-term cutter blades heating circuit Power supply, need to enter automatic operation; Protection scalpel can not damage because of overtemperature degree.
(5) this system is applicable to the various surgical operations that undertaken by coventional scalpel and high frequency electric knife traditionally, the cutting that comprises the soft tissues such as skin in operation process, subcutaneous tissue, muscle, gastrointestinal, cicatrix with separate and quick-acting haemostatic powder to little blood vessel, can also avoid burning, shock by electricity, disturb and the latent lesion such as blast, can be used safely in the monitoring menisectomies such as ECG, wear the patient of cardiac pacemaker and can not use all kinds of surgical operations such as department of obstetrics and gynecology cesarean of high frequency electric knife.
(6) the present invention has tissue cutting and anastalsis, heater contacts with bleeding tissue, heat is by heater to organized delivery, and collagen fiber degeneration, produces fiber membrane, seal hemorrhage blood vessel and capillary bed, thereby Bleeding control, because heat is by blade Limited contact destination organization, temperature is controlled at below 260 degrees Celsius, damage to surrounding tissue is little, and significantly reduces smog generation.
Brief description of the drawings
Fig. 1 is heat setting surgery systems circuit layout of the present invention.
Fig. 2 is the circuit diagram of heat setting surgery systems of the present invention.
Fig. 3 is the connection diagram of power supply and the each element of system in heat setting surgery systems of the present invention.
Fig. 4 is heat setting operation device structural representation of the present invention.
Detailed description of the invention
Shown in Fig. 1-4.A kind of heat setting surgery systems, mainly by main frame, scalpel assembly and foot-operated composition of the control system; In main frame, be provided with computer system, mould/number conversion circuit, temperature control system, work prompting sound circuit and display circuit; Scalpel assembly is knife blade and blade holder, it is laminar that knife blade is, its front end one side is provided with blade, and the peripheral junction of blade is provided with cutter hub, and described cutter hub is multi-layer thin lamellar, cutter hub basic unit is insulated substrate, cutter hub is respectively heater, insulating bag sealing and teflon coatings from inside to outside, and described cutter hub rear portion is provided with electrode, and described electrode inserts blade holder front end, and be entirety and be fixedly connected with state, described knife blade is outside with external temperature sensor; Described heater is the loop heating tape of loop shape, and when work, heating circuit is light current, and electricity/hot function translator converts electrical energy into heat energy, and by the loop heating tape being located on cutter hub, heat is passed to whole blade.
A kind of heat setting surgery systems of the present invention, heating circuit is located at beyond scalpel, forms accuracy-control system control with computer system, heating circuit be designed to external heater, be made into heating resistor by precious metal material, when work, electricity/thermal conversion rate is up to 90%-99.99%.Adopt reinforced insulation sealing treatment, make it agree there is high insulating properties.Blade holder is provided with the electrode that matches with electrode and plugs together part.Temperature-control circuit is temperature sensing circuit, temperature control holding circuit.Operating temperature is preferably 160 DEG C of left and right, and work maximum temperature is preferably 260 DEG C.Work prompting sound circuit forms oscillation source circuit by NE555 and X9511, and to the signal driver of loudspeaker, display circuit is the output of MODBUS high speed serialization.
Main frame is provided with panel, and panel is provided with display and foot switch socket, handle socket, volume control knob, work switch key and work heat setting key.
A kind of heat setting surgery systems of the present invention, is STM32 processor in its computer system, and bis-circuit of X24CL16A, are System Control Centers, and system clock is produced by crystal oscillator.Kernel is ARM32 position cortex-M3CPU, maximum operating frequency 72MHz, 1.25DMIPS/ MHz, unit cycle multiplication and hardware division.Memorizer is the Flash memorizer of integrated 32-512KB on sheet or the SRAM memorizer of 6-64KB.Clock, reset and power management are the driving voltage of Power supply and I/O interface, POR, PDR and voltage voltage detector PVD that can journey, the crystal oscillator of 4-16 MHz.The 8MHz RC oscillating circuit of embedded adjustment.Inner 40KHz oscillating circuit.For the PLL of cpu clock.Band calibration is for the crystal oscillator of the 32KHz of RTC.Adopt 3 kinds of low-power consumption modes, be dormancy, stop and standby mode.For the VBAT of RTC and back-up registers power supply.Debugging mode adopts serial debugging (SWD) and JTAC interface.Be provided with 12 passage dma controllers, the peripheral hardware of support: intervalometer, ADC, DAC, SPI, IIC and UART.16 passage A/D converters of the us level of 2 12, A/D measuring range is 0-3.6V, two samplings and hold facility, an integrated sensor on sheet.2 Channel 12-Bit D/A converters are STM32F103xC, STM32F103xD, and STM32F103xE is exclusive.The quick I/O port up to 112 at most, according to model difference, has 26,37,51,80 and 112 I/O port, and all of the port all may be mapped to 16 external interrupt vectors.Video film analog input, all can accept 5V with interior input.Reach at most 11 intervalometers, 4 16 bit timing devices, each intervalometer has 4 IC/OC/PWM or impulse scaler.The senior controller of 6 passage of 2 16, maximum 6 passages can be used for PWM output.2 WatchDog Timers are Systick intervalometer, 24 down counters.2 16 basic intervalometers are used for driving DAC.At most nearly 13 communication interfaces, 2 IIC interfaces (SMBus/PMBus).5wh USART interface (IS0716 interface, LIN, IrDA compatibility, scheduling controlling).3 SPI interfaces (18Mbit/s), two multiplexing with IIS.CAN interface (2.0B).USB2.0 is interface at full speed.SDIO interface.
On the plate of this ADC, digital filter provides the optional data speed of 10 samples/sec (SPS) or 80SPS.In the time adopting 10SPS, can suppress 52Hz and 60Hz line pressure cycle interference simultaneously, higher speed is brought faster and is upgraded simultaneously.Very useful for the electronic scale that this need to respond fast for those or the post-processing algorithm that requires high data rate.
Up to 23.5 significance bit.Low noise PGA on plate.RMS noise: be 17nV(PGA=128 when IOSPS), when 80SPS, be 44 nV(PGA=128).Gain is 64 o'clock, 19.2 of noiseless resolutions.The above frequency that can simultaneously suppress 50Hz and 60Hz of 100dB.Time clock feature: agitator on low drift sheet (positive and negative 3%), optional external crystal-controlled oscillation.Optional gain 1,2,64 and 128.Can easily carry out proportion measurement one external voltage reference and reach 5V.The data rate of optional 10SPS or 80SPS.There is built-in temperature sensor (ADS1234) 2.2.1.3 power circuit.
Temperature-control circuit is temperature sensing circuit, temperature control holding circuit.Heating thick film circuit is converted into the variations in temperature of cutter hub the variable quantity of resistance, is sensing resistor initial value, forms a strain bridge.When opening circuit, system will be fallen control end from dynamic circuit breaker, stop supplying with cutter power supply.If system crashes; also automatically shut down relay; control system judges that by detection heat setting cutter resistance change judges whether temperature transfinites; if temperature control equipment breaks down; occur overheating problem, when blade temperature reaches in the range of application of clinical operation in limited time, engine control system has overheat protection function; by the power supply of cutter blades circuit power, protection scalpel can not damage because of overtemperature degree.While there is this kind of situation, recover host computer system normal operating conditions if need, need Shutdown Hosts power supply, be down to (about 20-30s) starting up again after room temperature until blade temperature.
Work prompting sound circuit, forms oscillation source circuit by (NE555) and X9511, completes the signal driver to passive loudspeaker.Display circuit uses MODBUS high speed serialization output colour liquid crystal display device.
Power isolation transformer is housed in main frame, plays the effect of isolated buck.Switching Power Supply is transformed into direct current by civil power and exports computer system, display and electricity/thermal power transducer etc. to.
At ac power input end, alternating current filter and isolating transformer are installed, himself is under operation at full load state, can not produce electromagnetic interference, can also effectively prevent the interference of external electromagnetic radiation simultaneously, ensure that the normal duty of this equipment is unaffected yet, scalpel is arranged on main frame, main frame carries out the debugging of main frame after installing and having connected, and switch switches on power, main frame enters SBR, Display panel related work state and parameter.Each function key and show all should be normal, except main frame, the remaining part use of all should sterilizing, heat setting scalpel and foot switch plug insert the corresponding socket of main frame by mark and color respectively, on and off switch in closed host backplane, main frame energising, system enters process of self-test.Self-inspection is passed through, system enters SBR, display panel is by program state display, time display, the compositions such as temperature indicator, on main frame, display screen display routine duty and temperature show, show service time, enter work accumulative total state, the buzzer of host work prompting simultaneously starts ring, buzzer volume can regulate by the volume adjustment knob on host panel, control key plate: by intensification key, cooling key, heat setting key, the compositions such as work/Pause key, click the work/time-out switch key on operating knife handle or host panel, display screen is now shown as to preset and enters operating temperature, system enters duty.The operating temperature of heat setting scalpel rises to rapidly design temperature, under this state, can carry out surgical cut.In use can need to regulate temperature according to practical operation, manual buttons, presses the key that once heats up, heat setting knife blade operating temperature rising X DEG C, and simultaneous temperature display shows numerical value rising X DEG C; Manual buttons, press the key of once lowering the temperature, heat setting knife blade operating temperature decline Y DEG C, simultaneous temperature display shows numerical value decline Y DEG C, and do not affect the normal cutting of operation, manual buttons, pins heat setting key, display displays temperature is that design temperature is preferably 260 DEG C, and heat setting knife blade operating temperature rises to 260 DEG C fast.Unclamp heat setting key, heat setting knife blade operating temperature returns to former design temperature, and when heat setting, heat setting key should continue to press, and heat setting knife blade operating temperature is preferably 260 DEG C.Again click the work/time-out switch key on handle, system enters halted state, and temperature indicator demonstration is preferably 50 DEG C, 70 DEG C, 110 DEG C.Use and finish direct powered-down.
Claims (4)
1. a heat setting surgery systems, is characterized in that, comprising:
One main frame, is provided with computer system, mould/number conversion circuit, temperature control system, work prompting sound circuit and display circuit in main frame; In described computer system, be STM32 processor, bis-circuit of X24CL16A are System Control Centers; Memorizer is the Flash memorizer of integrated 32-512KB on sheet or the SRAM memorizer of 6-64KB; System clock is produced by crystal oscillator, and clock, reset and power management are the driving voltage of Power supply and I/O interface, POR, PDR and voltage voltage detector PVD that can journey, the crystal oscillator of 4-16 MHz; Described temperature control system is temperature sensing circuit, temperature control holding circuit and temperature sensing microcircuit; Work prompting sound circuit forms oscillation source circuit by NE555 and X9511, and to the signal driver of loudspeaker, display circuit is the output of MODBUS high speed serialization; Power isolation transformer is housed in main frame, civil power is transformed into direct current and exports computer system, display and electricity/thermal power transducer to;
One scalpel assembly, scalpel assembly is knife blade and blade holder, in described knife blade, be provided with heating element heater, its heating element heater is respectively heater, insulating bag sealing and teflon coatings, described cutter hub rear portion is provided with electrode, described electrode inserts blade holder front end, and knife blade is outside with external heater and external temperature sensor, and its external heater is heating circuit; Described heater is the loop heating tape of loop shape, described loop heating tape can be in the form of a ring, heating circuit energising when work, electricity/hot function translator converts electrical energy into heat energy, and by the loop heating tape being located on blade, heat being passed to whole blade, described scalpel assembly is connected with main frame by wire;
Foot-operated control system, described foot-operated control system is foot switch and be connected with main frame foot switch socket by wire;
Described foot switch, knife blade, blade holder and main frame are by microprocessing systems control, described microprocessing systems is connected with electricity/hot function translator by electrical power circuit for generating, described electricity/hot function translator is communicated with knife blade, described knife blade temperature is by temperature sensing circuit, temperature control circuit and the control of temperature sensing microcircuit or detection, described temperature sensing circuit is connected with microprocessing systems, temperature sensing microcircuit and electricity/hot function translator is arranged in heating circuit, described microprocessing systems is communicated with display circuit, and knife blade temperature is shown by display.
2. heat setting surgery systems according to claim 1; it is characterized in that; described heating circuit is resistance value by knife blade temperature inversion; form a strain bridge, described temperature control system judges blade temperature by detecting scalpel resistance value, if attemperating unit overtemperature; when blade temperature reaches in the range of application of clinical operation in limited time; in engine control system, be provided with overheat protection function, by short time internal cutting off blade heating circuit Power supply, and normally work subsequently.
3. heat setting surgery systems according to claim 1, is characterized in that, described main frame is provided with display and foot switch socket, handle socket, volume control knob, work switch key and work heat setting key.
4. heat setting surgery systems according to claim 1, is characterized in that, described blade holder is provided with switch key and heat setting key, the work switch key that described switch key and heat setting key and main frame are provided with and work heat setting key, and pedal control switch three places are used in combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169773.2A CN104000649A (en) | 2014-04-25 | 2014-04-25 | Thermocoagulation surgical system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410169773.2A CN104000649A (en) | 2014-04-25 | 2014-04-25 | Thermocoagulation surgical system |
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| CN104000649A true CN104000649A (en) | 2014-08-27 |
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| CN201410169773.2A Pending CN104000649A (en) | 2014-04-25 | 2014-04-25 | Thermocoagulation surgical system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646836A (en) * | 2022-04-25 | 2022-06-21 | 江苏邦士医疗科技有限公司 | Multifunctional test tool for operation power system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198957A (en) * | 1967-11-09 | 1980-04-22 | Robert F. Shaw | Method of using an electrically heated surgical cutting instrument |
| CN2358840Y (en) * | 1999-03-23 | 2000-01-19 | 江苏铁医美达康医疗设备厂 | Internal-thermal electric heating scalpel |
| CN203074860U (en) * | 2013-03-19 | 2013-07-24 | 王昭安 | Novel scalpel system |
-
2014
- 2014-04-25 CN CN201410169773.2A patent/CN104000649A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198957A (en) * | 1967-11-09 | 1980-04-22 | Robert F. Shaw | Method of using an electrically heated surgical cutting instrument |
| CN2358840Y (en) * | 1999-03-23 | 2000-01-19 | 江苏铁医美达康医疗设备厂 | Internal-thermal electric heating scalpel |
| CN203074860U (en) * | 2013-03-19 | 2013-07-24 | 王昭安 | Novel scalpel system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646836A (en) * | 2022-04-25 | 2022-06-21 | 江苏邦士医疗科技有限公司 | Multifunctional test tool for operation power system |
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Application publication date: 20140827 |