CN203852421U - Thermosetting scalpel - Google Patents
Thermosetting scalpel Download PDFInfo
- Publication number
- CN203852421U CN203852421U CN201420205667.0U CN201420205667U CN203852421U CN 203852421 U CN203852421 U CN 203852421U CN 201420205667 U CN201420205667 U CN 201420205667U CN 203852421 U CN203852421 U CN 203852421U
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- scalpel
- blade
- knife
- blade holder
- heat setting
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Abstract
The utility model relates to a thermosetting scalpel. The thermosetting scalpel comprises a scalpel blade and a scalpel handle which form an integral structure, wherein one side of the front end of the scalpel blade is provided with a cutting edge, a scalpel body is arranged at the joint of the periphery of the cutting edge and is shaped like multiple layers of slices, the base layer of the scalpel body is an insulated base layer, the scalpel body comprises a heating body, an insulated encapsulating layer and a teflon coating respectively from inside to outside, the rear part of the scalpel body is provided with an electrode, the electrode is inserted in the front end of the scalpel handle in an integral fixed connection state, an external heater and an external temperature sensor are attached to the outer part of the scalpel blade, and the external heater adopts a heating circuit; the heating body is a loop heating tape shaped like a loop; the surface of the scalpel blade adopts an external heating mode and is heated but not electrified, so the safety of the scalpel in use is ensured. The scalpel blade and the scalpel handle form a whole and can be repeatedly used for multiple times; the scalpel blade and the scalpel handle are integrally disinfected before being used each time, so safety and reliability are realized, and cross infection is prevented.
Description
Technical field
This utility model relates to a kind of Medical surgical cutter, refers more particularly to a kind of heat setting scalpel.
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 instantaneous temperature 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, 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 from inner high-speed steel-base, heat-conducting metal layer, antistick layer, its rear portion knife back part is from outwards this thick film circuit layer successively of inner ceramic base, high-temperature electric insulating barrier, heat-conducting metal layer, antistick layer, is all integrated between each layer of front and back two parts of knife back body and front and rear sections part thereof.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, this scalpel adopts high-speed steel base material and ceramic base material, this material is frangible easily crisp during use, cause service life not long, the scalpel of ceramic base material is fragile in operation process, and affect thermal conduction effect, thereby impact operation is carried out, increase the injury risk again that patient cures period, in addition, ceramic base material is its temperature control inaccuracy in the time of work, and temperature control undercompensation, make blade mend temperature, rise again not, do 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.
Summary of the invention
For addressing the above problem, this utility model provides a kind of external heating type heat coagulation scalpel that can accurately control temperature, novel structure.
A kind of heat setting scalpel of this utility model, it is made up of knife blade and blade holder, described knife blade and blade holder form an overall structure, it is laminar that knife blade is, its front end one side is provided with blade, the peripheral junction of blade is provided with cutter hub, 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, described cutter hub rear portion is provided with electrode, and described blade holder is provided with the electrode that matches with electrode and plugs together part; Described electrode inserts blade holder front end, and is entirety and is fixedly connected with state, and described 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, and described loop heating tape in the form of a ring.
S-type or the inverted S curve structure of described blade holder outer surface, handle of a knife middle part concave-convex surface, it is suitable that the concavo-convex radian of handle of a knife and staff are controlled comfort level, and blade holder front end is from coarse to fine successively to rear end.
Described blade holder is provided with heat setting key and work/Pause key.
Adopt after this utility model operating knife device, 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 is 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, 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 carry out blood coagulation safely and effectively 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.
In this device, heat setting scalpel is in sharp cutting and organizing, and the temperature that can also accurately control can form not only very thin but also very fine and close protein coagulation layer of one deck cutting and organizing surface, stops the hemorrhage and oozing of blood of operation section, thereby reaches the effect of heat setting blood coagulation.In the time of scalpel band thermal cutting subcutaneous tissue, wound surface is neat, and without muscle contraction, without adhesion, without eschar, nonirritant abnormal flavour, is methodically arranged when stitching, easily alignment.The pattern that adopts foot switch, can make medical worker easy to use.
(2) this utility model adopts scalpel to be integrated into knife blade and blade holder, 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.
(3) the S-type or inverted S curve structure of described blade holder outer surface, handle of a knife middle part concave-convex surface, it is suitable that the concavo-convex radian of handle of a knife and staff are controlled comfort level, this scalpel configuration design meets base of principle of human engineering, when its staff is controlled scalpel, the concavo-convex radian of the angle of holding and blade holder fits, in operation process, convenient operation person cutting, easy to use.
(4) this scalpel 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.
Brief description of the drawings
Fig. 1 is this utility model scalpel and handle arrangement schematic diagram.
Fig. 2 is this utility model heat setting scalpel blade structural representation.
Detailed description of the invention
Shown in Fig. 1-2, a kind of heat setting scalpel, it is made up of knife blade 1 and blade holder 2, described knife blade 1 forms an overall structure with blade holder 2, knife blade 1 is laminar, its front end one side is provided with blade 3, the peripheral junction of blade 3 is provided with cutter hub 4, described cutter hub 4 is multi-layer thin lamellar, cutter hub basic unit is insulated substrate 5, cutter hub 4 is respectively heater 6 from inside to outside, insulating bag sealing 7 and teflon coatings 8, described cutter hub 4 rear portions are provided with electrode 9, described electrode 9 inserts blade holder 2 front ends, and be entirety and be fixedly connected with state, described knife blade is outside with external heater and external temperature sensor, its external heater is heating circuit, described heater 6 is the loop heating tape of loop shape, and described loop heating tape in the form of a ring.
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 more than 90%-99.99%.Adopt reinforced insulation sealing treatment, make it agree there is high insulating properties.Blade holder 3 is provided with the electrode that matches with electrode and plugs together part, and described blade holder rear end is provided with line, and plugs together part by line and electrode and be connected, and 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.S-type or the inverted S curve structure of described blade holder 2 outer surfaces, handle of a knife 2 middle part concave-convex surfaces, it is suitable that the concavo-convex radian of handle of a knife 2 and staff are controlled comfort level, and blade holder 2 front ends are from coarse to fine successively to rear end.
Described blade holder 2 is provided with switch key 10 and work/Pause key 11.
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.
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, machine 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, and system enters SBR.Now host display displays temperature is preferably 70 DEG C, enter SBR, display is shown as time surface, enters work accumulative total state, the buzzer of host work prompting simultaneously starts ring, and buzzer volume can regulate by the volume adjustment knob on host panel.Click the work/time-out switch key on operating knife handle or host panel, display screen is now shown as and presets temperature and be preferably 160 DEG C, and 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, click intensification key, temperature indicator shows that numerical value increases by 10 DEG C, clicks cooling key, and temperature indicator shows that numerical value declines 10 DEG C, and does not affect the normal cutting of operation.Again click the work/time-out switch key on handle, system enters halted state.Temperature indicator demonstration is preferably 70 DEG C.Use and finish direct powered-down.
Claims (5)
1. a heat setting scalpel, it is characterized in that, it is made up of knife blade (1) and blade holder (2), described knife blade (1) forms an overall structure with blade holder (2), knife blade (1) is laminar, its front end one side is provided with blade (3), the peripheral junction of blade (3) is provided with cutter hub (4), described cutter hub (4) is multi-layer thin lamellar, cutter hub basic unit is insulated substrate (5), cutter hub (4) is respectively heater (6) from inside to outside, insulating bag sealing (7) and teflon coatings (8), described cutter hub (4) rear portion is provided with electrode (9), described electrode (9) inserts blade holder (2) front end, and be entirety and be fixedly connected with state, described knife blade is outside with external heater and external temperature sensor, its external heater is heating circuit, described heater (6) is the loop heating tape of loop shape.
2. heat setting scalpel according to claim 1, is characterized in that, described loop heating tape in the form of a ring.
3. heat setting scalpel according to claim 1, is characterized in that, described blade holder (2) is provided with the electrode that matches with electrode (9) and plugs together part.
4. heat setting scalpel according to claim 1, it is characterized in that, S-type or the inverted S curve structure of described blade holder (2) outer surface, handle of a knife (2) middle part concave-convex surface, it is suitable that the concavo-convex radian of handle of a knife (2) and staff are controlled comfort level, and blade holder (2) front end is from coarse to fine successively to rear end.
5. heat setting scalpel according to claim 1, is characterized in that, described blade holder (2) is provided with heat setting key (10) and work/Pause key (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205667.0U CN203852421U (en) | 2014-04-25 | 2014-04-25 | Thermosetting scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205667.0U CN203852421U (en) | 2014-04-25 | 2014-04-25 | Thermosetting scalpel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203852421U true CN203852421U (en) | 2014-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420205667.0U Expired - Fee Related CN203852421U (en) | 2014-04-25 | 2014-04-25 | Thermosetting scalpel |
Country Status (1)
| Country | Link |
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| CN (1) | CN203852421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105055014A (en) * | 2015-07-03 | 2015-11-18 | 珠海市香之君科技股份有限公司 | Heating type ceramic operating knife blade, operating knife and blade processing method |
-
2014
- 2014-04-25 CN CN201420205667.0U patent/CN203852421U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105055014A (en) * | 2015-07-03 | 2015-11-18 | 珠海市香之君科技股份有限公司 | Heating type ceramic operating knife blade, operating knife and blade processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20210425 |