CN110251226B - Diamond film electric heating surgical knife and temperature control method thereof - Google Patents
Diamond film electric heating surgical knife and temperature control method thereof Download PDFInfo
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- CN110251226B CN110251226B CN201910554077.6A CN201910554077A CN110251226B CN 110251226 B CN110251226 B CN 110251226B CN 201910554077 A CN201910554077 A CN 201910554077A CN 110251226 B CN110251226 B CN 110251226B
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- blade
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- diamond film
- electric heating
- knife
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 52
- 239000010432 diamond Substances 0.000 title claims abstract description 52
- 238000005485 electric heating Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 7
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 238000005240 physical vapour deposition Methods 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000023597 hemostasis Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000009396 hybridization Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 208000031737 Tissue Adhesions Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000000541 cathodic arc deposition Methods 0.000 description 1
- -1 cemented carbide Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000004050 hot filament vapor deposition Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004118 muscle contraction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
- A61B18/082—Probes or electrodes therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0605—Carbon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
- C23C16/27—Diamond only
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00607—Coagulation and cutting with the same instrument
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00714—Temperature
Abstract
The invention discloses a diamond film electric heating surgical knife, which belongs to the technical field of medical appliances and comprises a blade, a knife handle, a control wire and control equipment which are connected in sequence; the blade comprises a blade substrate and a diamond film layer covered on the blade substrate; the knife handle is provided with an electrothermal converter and a thermistor which are matched for use, and the electrothermal converter and the thermistor are contacted with the diamond film layer. The electrothermal transducer is used for heating the blade, and the thermistor is used for detecting the temperature of the surface of the blade. The invention also discloses a temperature control method thereof. The diamond film electric heating surgical knife can not only improve the sharpness of the surgical knife blade, but also quickly spread heat to the whole knife blade when the tail of the knife blade is heated by the electric heating converter due to the excellent heat conducting property of the diamond film; the temperature control method of the invention ensures that the temperature change of the cutter head and the cutter edge of the blade is more uniform, and the temperature control precision is greatly improved.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a diamond film electric heating surgical knife and a temperature control method thereof.
Background
The electric heating surgical knife has wide application in clinical surgery, and is a novel surgical instrument with cutting and hemostasis functions. Compared with a high-frequency electric scalpel, the electric scalpel does not generate burnt smell and smoke and does not cause strong muscle contraction.
The existing external heating type electric heating surgical knife is convenient to use, but the common materials such as carbon steel, stainless steel, alloy, ceramic (201410081515.9) and the like have poor heat conduction performance, so that the temperature control of the surgical knife is poor, and the external heating type surgical knife in the application number 201710941994.0 cannot solve the problem of poor temperature control precision of the external heating type surgical knife; the internal heating type electric heating scalpel is complex in structure, the thickness of the blade is large, the sharpness of the blade is affected, maintenance and repair are troublesome, and as the internal heating type electric heating scalpel disclosed by ZL99114117.2 is poor in heat conduction performance because the non-stick layer used on the surface of the blade is made of Teflon materials, the precision of temperature control of the blade is affected, and the used heat conduction metal layer is made of metal with poor hardness, so that the sharpness of the blade is affected.
Disclosure of Invention
The invention aims to: the invention aims to provide a diamond film electric heating surgical knife which can not only improve the sharpness of a surgical knife blade, but also effectively improve the accuracy of temperature control of the knife blade.
The technical scheme is as follows: in order to achieve the above purpose, the present invention adopts the following technical scheme:
the diamond film electric heating surgical knife comprises a blade, a knife handle, a control wire and control equipment which are connected in sequence; the blade comprises a blade substrate and a diamond film layer covered on the blade substrate; the knife handle is provided with an electrothermal converter and a thermistor which are matched for use, and the electrothermal converter and the thermistor are contacted with the diamond film layer. The electrothermal transducer is used for heating the blade, and the thermistor is used for detecting the temperature of the surface of the blade.
Further, the diamond film layer is modified on the surface of the blade substrate 5 by a physical vapor deposition or chemical vapor deposition method.
Further, the thickness of the diamond film layer is 0.5-8.9 micrometers, and the content of carbon atoms combined in the SP3 hybridization orbit mode in the diamond film layer is more than 43%.
Further, the blade base material is selected from any one of carbon steel, stainless steel, hard alloy and ceramic.
Further, a guiding groove and a protruding block for mounting the blade are arranged on the cutter handle, and the width of the guiding groove is matched with the width of the tail part of the blade. Holes for matching with the convex blocks are formed in the blade; is used for fixing the blade and the knife handle.
Further, the guide groove is divided into two pieces, and the gap between the two pieces is not more than 2mm larger than the thickness of the tail part of the blade; the outside of the head of the knife handle is provided with a fixing element which enables the two guide grooves to compress the blade.
Further, at least one key is arranged on the knife handle, and the electrothermal converter, the thermistor and the key are respectively connected with the control equipment through control wires.
Further, the control equipment comprises a manual control switch, a micro-processing controller, a temperature sensing circuit, a temperature control circuit and an electrothermal power generation circuit, wherein the micro-processing controller is controlled by the manual control switch so as to respectively control the temperature sensing circuit, the temperature control circuit and the electrothermal power generation circuit; the electrothermal power generating circuit directly acts on the electrothermal converter, the temperature sensing circuit monitors the temperature of the thermistor and feeds the temperature back to the micro-processing controller, and the electrothermal converter and the thermistor directly act on the blade to realize real-time temperature control.
The temperature control method of the diamond film electric heating surgical knife comprises the following steps:
1) The control switch is turned on or turned OFF through the key, and the temperature of the blade is monitored in an OFF standby state; in the ON state, the temperature of the blade is raised;
2) When the temperature of the blade is smaller than the set temperature, the electric heating generation circuit is started through the key, and the heating hemostasis function is triggered; the temperature is divided into two cases, and when the set temperature is 20-50 ℃ higher than the temperature of the blade, the electric heating output power is improved; when the difference between the temperature of the blade and the set temperature is less than 20-50 ℃, the output power is reduced;
3) In step 2), the system stops the power output of the electrothermal transducer when the blade temperature is greater than or equal to the set temperature.
The principle of the invention: the diamond film has the advantages of high hardness, good wear resistance, corrosion resistance, small surface friction factor and the like, and the surgical blade treated by the diamond film can improve the sharpness of the surgical blade and is smooth, so that the blade is free from blood adhesion and tissue adhesion in the use process; the diamond belongs to carbon-based materials, has good biocompatibility and no charge, and can lead the cutting edge to be neat, lead the tissue to have small side injury and lead the healing to be quick by using the blade; the electric conduction performance of the diamond film is poor, and meanwhile, the heat conduction performance of the diamond film is excellent, so that the electric heating surgical knife treated by the technology can effectively improve the accuracy of blade temperature control.
The beneficial effects are that: compared with the prior art, the diamond film electric heating surgical knife can not only improve the sharpness of the surgical knife blade, but also quickly spread heat to the whole knife blade when the tail part of the knife blade is heated by the electric heating converter due to the excellent heat conducting property of the diamond film; the temperature control method of the invention ensures that the temperature change of the cutter head and the cutter edge of the blade is more uniform, and the temperature control precision is greatly improved.
Drawings
FIG. 1 is a schematic view of a diamond film electric heating scalpel;
FIG. 2 is a cross-sectional view of a surgical blade;
FIG. 3 is a side view of a surgical blade;
FIG. 4 is a side view of one side of the shank;
FIG. 5 is a top view of the shank;
FIG. 6 is another side view of the shank;
fig. 7 is a front view of the control device;
FIG. 8 is a schematic structural view of a diamond film electric heating scalpel control device;
fig. 9 is a control diagram of a diamond film electric heating scalpel system.
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples of embodiments.
As shown in fig. 1-9, the reference numerals are: blade 1, handle 2, control wire 3, control device 4, blade substrate 5, diamond film layer 6, hole 7, guide slot 8, bump 9, electrothermal transducer 10, thermistor 11, fixing element 12 and key 13.
The diamond film electric heating surgical knife comprises a blade 1, a knife handle 2, a control wire 3 and a control device 4 which are connected in sequence. Wherein the blade 1 comprises a blade substrate 5 and a diamond film layer 6, and the surface of the blade substrate 5 is modified by using a physical vapor deposition or chemical vapor deposition method to form the diamond film layer 6 on the blade substrate.
The head of the knife handle 2 is provided with a guide groove 8 for mounting the knife blade and a convex block 9 matched with a mounting hole at the tail of the knife blade 1, and the guide groove 8 is matched with the tail of the knife blade 1 in width; the head of the knife handle 2 is provided with an electrothermal converter 10 and a thermistor 11, and after the blade 1 is mounted on the knife handle 2, the blade 1 is positioned on the same side of the blade 1 or the blade 1 is clamped in the middle; the electrothermal transducer 10 and the thermistor 11 are closely attached to the diamond film layer 6; the electrothermal transducer 10 is used for heating the blade, and the thermistor 11 is used for detecting the temperature of the surface of the blade 1.
The blade 1 is a surgical blade subjected to modification treatment of a diamond film 6 on the surface of a blade substrate 5, the thickness of the diamond film layer 6 is 0.5-8.9 micrometers, and the content of carbon atoms combined in the diamond film layer 6 in an SP3 hybridization track mode is more than 43%.
The diamond film layer 6 is modified on the blade substrate using physical vapor deposition or chemical vapor deposition methods including, but not limited to, multi-arc physical vapor deposition and magnetron sputtering physical vapor deposition; chemical vapor deposition methods include, but are not limited to, plasma enhanced vapor deposition methods, microwave plasma vapor deposition methods, and hot filament vapor deposition methods.
The blade substrate 5 is selected from carbon steel, stainless steel, cemented carbide, and ceramics. The tail of the blade 1 is provided with one or more holes 7 for fixing the blade 1 with the shank 2.
The head of the knife handle 2 is provided with a guide groove 8 for mounting the blade and a convex block 9 matched with a mounting hole at the tail of the blade, and the guide groove 8 is matched with the tail of the blade in width for mounting and fixing the blade 1; the head of the knife handle 2 is provided with an electrothermal converter 10 and a thermistor 11, and after the blade 1 is mounted on the knife handle 2, the blade 1 is positioned on the same side of the blade 1 or the blade 1 is clamped in the middle; the electrothermal transducer 10 and the thermistor 11 are closely attached to the diamond film layer 6; the electrothermal transducer 10 is used for heating the blade, and the thermistor 11 is used for detecting the temperature of the surface of the blade 1; the guiding groove 8 at the head of the knife handle 2 is divided into two pieces, and the gap is not more than 2mm larger than the thickness of the tail of the blade 1; after the blade 1 is inserted into the guide groove 8, the hole 7 at the tail of the blade 1 is aligned with the bump 9, and the two guide grooves 8 compress the blade 1 by moving the fixing element 12 such as a screw, a nut, a slide block or a clamping block outside the head of the cutter handle 2.
At least one key 13 can be arranged on the knife handle 2, so that the temperature of the scalpel can be conveniently controlled; the tail part of the cutter handle 2 is connected with a control line 3, and elements such as an electrothermal converter 10, a thermistor 11, a key 13 and the like in the cutter handle 2 are connected with a control device 4 through the control line 3; the control device 4 can set the temperature, the working mode and the like of the electric heating knife, acquire the temperature of the surface of the knife blade 1 in real time, and adjust the output power of the electric heating converter 10.
As shown in fig. 8, the control device 4 of the diamond film electric heating surgical knife comprises a manual control switch, a micro-processing controller, a temperature sensing circuit, a temperature control circuit and an electric heating power generation circuit, wherein the micro-processing controller is controlled by the manual control switch, so that the temperature sensing circuit, the temperature control circuit and the electric heating power generation circuit are respectively controlled; wherein the electrothermal power generating circuit directly acts with the electrothermal converter 10, and the temperature sensing circuit monitors the temperature of the thermistor 11 and feeds the temperature back to the micro-processing controller. The electrothermal converter 10 and the thermistor 11 directly act on the blade 1 to realize real-time temperature control. As shown in fig. 9, the temperature control method of the diamond film electric heating scalpel comprises the following steps:
1) The control switch is turned on or OFF through the key 13, and the temperature monitoring of the blade is realized in an OFF standby state; in the ON state, the temperature of the blade is raised;
2) When the temperature of the blade is lower than the set temperature, an electric heating generation circuit is started through a key 13, and a heating hemostasis function is triggered; the temperature is divided into two cases, and when the set temperature is 20-50 ℃ higher than the temperature of the blade, the electric heating output power is improved; when the difference between the temperature of the blade and the set temperature is less than 20-50 ℃, the output power is reduced;
3) In step 2), the system stops the power output of the electrothermal transducer when the blade temperature is greater than or equal to the set temperature.
Claims (9)
1. The utility model provides a diamond film electric heating scalpel which characterized in that: comprises a blade (1), a knife handle (2), a control wire (3) and a control device (4) which are connected in sequence; the blade (1) comprises a blade substrate (5) and a diamond film layer (6) which is covered on the blade substrate (5) and has poor electric conductivity and excellent heat conductivity; an electrothermal converter (10) and a thermistor (11) which are matched with each other are arranged on the knife handle (2), and the electrothermal converter (10) and the thermistor (11) are contacted with the diamond film layer (6); the content of the carbon atoms combined in the SP3 hybridization orbit mode in the diamond film layer (6) is more than 43 percent.
2. The diamond film electric heating scalpel according to claim 1, wherein: the diamond film layer (6) is modified on the surface of the blade substrate (5) by a physical vapor deposition or chemical vapor deposition method.
3. The diamond film electric heating scalpel according to claim 1, wherein: the thickness of the diamond film layer (6) is 0.5-8.9 micrometers.
4. The diamond film electric heating scalpel according to claim 1, wherein: the blade base material (5) is selected from any one of carbon steel, stainless steel, hard alloy and ceramic.
5. The diamond film electric heating scalpel according to claim 1, wherein: a guiding groove (8) and a convex block (9) for mounting the blade are arranged on the knife handle (2); the blade (1) is provided with a hole (7) for matching with the lug (9).
6. The diamond film electric heating surgical knife according to claim 5, wherein: the guide groove (8) is divided into two pieces, and the gap between the two pieces is not more than 2mm larger than the thickness of the tail part of the blade (1); the outside of the head of the knife handle (2) is provided with a fixing element (12) which enables the two guide grooves (8) to press the knife blade (1).
7. The diamond film electric heating scalpel according to claim 1, wherein: at least one key (13) is arranged on the knife handle (2), and the electrothermal converter (10), the thermistor (11) and the key (13) are respectively connected with the control equipment (4) through the control line (3).
8. The diamond film electric heating scalpel according to claim 1, wherein: the control equipment (4) comprises a manual control switch, a micro-processing controller, a temperature sensing circuit, a temperature control circuit and an electrothermal power generation circuit, wherein the micro-processing controller is controlled by the manual control switch so as to respectively control the temperature sensing circuit, the temperature control circuit and the electrothermal power generation circuit; the electric heating power generation circuit directly acts on the electric heating converter (10), the temperature sensing circuit monitors the temperature of the thermistor (11) and feeds the temperature back to the micro-processing controller, and the electric heating converter (10) and the thermistor (11) directly act on the blade (1) to realize real-time temperature control.
9. The temperature control method of the diamond film electric heating surgical knife according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
1) The control switch is turned on or turned OFF through the key (13), and the temperature monitoring of the blade (1) is realized in an OFF standby state; in the ON state, the temperature of the blade (1) is raised;
2) When the temperature of the blade (1) is smaller than the set temperature, an electric heating generation circuit is started through a key (13), and a heating hemostasis function is triggered; the temperature is divided into two cases, and when the set temperature is 20-50 ℃ higher than the temperature of the blade (1), the electric heating output power is improved; when the difference between the temperature of the blade (1) and the set temperature is less than 20-50 ℃, the output power is reduced;
3) In step 2), when the temperature of the blade (1) is greater than or equal to the set temperature, the system stops the power output of the electrothermal transducer.
Priority Applications (1)
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CN201910554077.6A CN110251226B (en) | 2019-06-25 | 2019-06-25 | Diamond film electric heating surgical knife and temperature control method thereof |
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CN201910554077.6A CN110251226B (en) | 2019-06-25 | 2019-06-25 | Diamond film electric heating surgical knife and temperature control method thereof |
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CN110251226B true CN110251226B (en) | 2024-04-02 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5308311A (en) * | 1992-05-01 | 1994-05-03 | Robert F. Shaw | Electrically heated surgical blade and methods of making |
CN2481292Y (en) * | 2001-04-30 | 2002-03-13 | 广大国际投资有限公司 | HF nano-diamond film operation knife |
CN104434297A (en) * | 2014-12-22 | 2015-03-25 | 东南大学 | Intelligent temperature control electric-heating scalpel |
CN107595379A (en) * | 2017-08-29 | 2018-01-19 | 李明守 | A kind of scalpel of built-in heating unit |
CN107753100A (en) * | 2017-09-27 | 2018-03-06 | 常州市斯博特医疗器械有限公司 | A kind of heat setting operating knife device |
-
2019
- 2019-06-25 CN CN201910554077.6A patent/CN110251226B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5308311A (en) * | 1992-05-01 | 1994-05-03 | Robert F. Shaw | Electrically heated surgical blade and methods of making |
CN2481292Y (en) * | 2001-04-30 | 2002-03-13 | 广大国际投资有限公司 | HF nano-diamond film operation knife |
CN104434297A (en) * | 2014-12-22 | 2015-03-25 | 东南大学 | Intelligent temperature control electric-heating scalpel |
CN107595379A (en) * | 2017-08-29 | 2018-01-19 | 李明守 | A kind of scalpel of built-in heating unit |
CN107753100A (en) * | 2017-09-27 | 2018-03-06 | 常州市斯博特医疗器械有限公司 | A kind of heat setting operating knife device |
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