CN210644162U - Diamond film electric heating scalpel - Google Patents
Diamond film electric heating scalpel Download PDFInfo
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- CN210644162U CN210644162U CN201920962262.4U CN201920962262U CN210644162U CN 210644162 U CN210644162 U CN 210644162U CN 201920962262 U CN201920962262 U CN 201920962262U CN 210644162 U CN210644162 U CN 210644162U
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- blade
- diamond film
- scalpel
- electric heating
- thermistor
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Abstract
The utility model discloses a diamond film electric heating scalpel, belonging to the technical field of medical appliances, comprising a blade, a scalpel handle, a control line and a control device which are connected in sequence; the blade comprises a blade substrate and a diamond film layer covered on the blade substrate; the electric heating converter and the thermistor which are matched with each other are arranged on the tool handle, and the electric heating converter and the thermistor are in contact 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 utility model discloses a diamond film electric heat scalpel can not only improve scalpel blade's sharpness, because diamond film's excellent heat conductivility makes the blade afterbody by electric heat converter when heating moreover, and the heat can expand rapidly and spill whole blade, makes the tool bit of blade and the temperature variation of cutting edge more even.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to diamond film electric heat scalpel.
Background
The electrothermal scalpel has wide application in clinical surgical operation, and is a novel surgical instrument integrating cutting and hemostasis functions. Compared with a high-frequency electric scalpel, the electric scalpel does not generate scorched smell and smoke and does not cause strong muscle contraction.
Although the existing externally heated electric heating scalpel is convenient to use, the general materials such as carbon steel, stainless steel, alloy, ceramics (201410081515.9) and the like have poor heat conductivity, so that the temperature of the scalpel is poor to control, and the externally heated scalpel in the application number of 201710941994.0 cannot solve the problem of poor temperature control precision of the externally heated scalpel; the internally heated electric heating scalpel is complex in structure, the thickness of the blade is large, the sharpness of the blade is affected, and the maintenance is troublesome, for example, in the internally heated scalpel disclosed in ZL99114117.2, as the non-stick layer used on the surface of the blade is made of Teflon materials, the heat conducting property is poor, the accuracy of the temperature control of the blade is affected, and the used heat conducting metal layer is made of metal with poor hardness, and the sharpness of the blade is affected.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a diamond film electric heat scalpel, improving the structure of original scalpel, improving the sharpness of scalpel blade.
The technical scheme is as follows: in order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the diamond film electric heating scalpel comprises a blade and a scalpel handle which are connected in sequence; the blade comprises a blade substrate and a diamond film layer covering the blade substrate.
Further, the thickness of the diamond film layer is 0.5-8.9 microns.
Furthermore, a guide groove and a convex block for installing the blade are arranged on the cutter handle; the blade is provided with a hole used for matching with the lug.
Furthermore, the guide groove is divided into two pieces, and the gap between the two pieces is larger than the thickness of the tail part of the blade by no more than 2 mm.
Furthermore, a fixing element which enables the two guide grooves to compress the blade is arranged outside the head of the knife handle.
Furthermore, an electrothermal converter and a thermistor which are matched with each other are arranged on the tool handle, and the electrothermal converter and the thermistor are in contact with the diamond film layer.
Furthermore, at least one key is arranged on the knife handle, and the electric heating converter, the thermistor and the key are respectively connected with the control equipment through control lines.
Furthermore, the control equipment comprises a manual control switch, a microprocessor controller, a temperature sensing circuit, a temperature control circuit and an electric heating power generation circuit, wherein the microprocessor controller is controlled by the manual control switch so as to control the temperature sensing circuit, the temperature control circuit and the electric heating power generation circuit respectively; the electric heating power generating circuit directly acts with the electric heating converter, the temperature sensing circuit monitors the temperature of the thermistor and feeds the temperature back to the micro-processing controller, and the electric heating converter and the thermistor directly act on the blade to realize real-time temperature control.
The utility model discloses the principle: the diamond film has the advantages of high hardness, good wear resistance, corrosion resistance, small surface friction factor and the like, the surgical blade processed by the diamond film can improve the sharpness of the surgical blade, and the blade is smooth, so that the blade does not stick blood and tissues in the use process; the diamond belongs to a carbon-based material, has good biocompatibility and no electric charge, and can ensure that the cutting edge is neat, the tissue side damage is small and the healing is fast by using the blade; the diamond film has poor conductivity, and meanwhile, the diamond film has excellent heat conductivity, and the electric heating scalpel processed by the technology can effectively improve the precision of blade temperature control.
Has the advantages that: compared with the prior art, the utility model discloses a diamond film electric heat scalpel can not only improve scalpel blade's sharpness, because diamond film's excellent heat conductivility makes the blade afterbody when being heated by electrothermal transducer, and the heat can expand rapidly and spill whole blade moreover.
Drawings
FIG. 1 is a schematic structural view of a diamond film electrothermal 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 tool shank;
FIG. 5 is a top view of the shank;
FIG. 6 is a side view of the other side of the handle;
FIG. 7 is a front view of the control device;
FIG. 8 is a schematic structural view of a diamond film electrothermal scalpel control device;
FIG. 9 is the control diagram of the diamond film electrothermal scalpel system.
Detailed Description
The invention is further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-9, the reference numbers are: blade 1, handle of a knife 2, control line 3, control device 4, blade substrate 5, diamond film layer 6, hole 7, guiding groove 8, lug 9, electrothermal transducer 10, thermistor 11, fixed element 12 and button 13.
A diamond film electric heating scalpel comprises a blade 1, a scalpel handle 2, a control line 3 and control equipment 4 which are sequentially connected. The blade 1 comprises a blade substrate 5 and a diamond film layer 6, and the diamond film layer 6 is modified on the blade substrate by using a physical vapor deposition or chemical vapor deposition method on the surface of the blade substrate 5.
The head of the knife handle 2 is provided with a guide groove 8 for installing the blade and a lug 9 matched with an installation hole at the tail of the blade 1 and used for installing and fixing the blade, and the width of the guide groove 8 is matched with the width of the tail of the blade 1; the head of the knife handle 2 is provided with an electrothermal converter 10 and a thermistor 11, and the blade 1 is arranged on the same side of the blade 1 or clamps the blade 1 in the middle after being arranged on the knife handle 2; the electrothermal converter 10 and the thermistor 11 are closely attached to the diamond film layer 6; the electrothermal transducer 10 is used to heat the blade and the thermistor 11 is used to detect the temperature of the surface of the blade 1.
The blade 1 is a surgical blade which is subjected to modification treatment by a diamond film 6 on the surface of a blade substrate 5, the thickness of the diamond film 6 is 0.5-8.9 micrometers, and the content of carbon atoms in the diamond film 6 combined in an SP3 hybrid orbital mode is more than 43%.
The diamond film layer 6 modifies 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, microwave plasma vapor deposition, and hot filament vapor deposition.
The blade base material 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 and the handle 2.
The head of the knife handle 2 is provided with a guide groove 8 for installing the blade and a lug 9 matched with the installation hole at the tail of the blade, the guide groove 8 is used for installing and fixing the blade 1, and the width of the guide groove 8 is matched with the width of the tail of the blade; the head of the knife handle 2 is provided with an electrothermal converter 10 and a thermistor 11, and the blade 1 is arranged on the same side of the blade 1 or clamps the blade 1 in the middle after being arranged on the knife handle 2; the electrothermal converter 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 guide 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 grooves 8, the holes 7 at the tail of the blade 1 are aligned with the bumps 9, and the blade 1 is pressed by the two guide grooves 8 through the movement of the fixing elements 12 such as screws, nuts, sliders or clamping blocks outside the head of the tool holder 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 knife handle 2 is connected with the control line 3, and elements such as an electrothermal converter 10, a thermistor 11, a key 13 and the like in the knife handle 2 are connected with the control equipment 4 through the control line 3; the control device 4 can set the temperature, the operation mode, and the like of the electric knife, and acquire the temperature of the surface of the blade 1 in real time, and adjust the output power of the electric heat converter 10.
As shown in fig. 8, the control device 4 of the diamond film electrothermal scalpel comprises a manual control switch, a microprocessor controller, a temperature sensing circuit, a temperature control circuit and an electrothermal power generating circuit, wherein the microprocessor controller is controlled by the manual control switch to respectively control the temperature sensing circuit, the temperature control circuit and the electrothermal power generating circuit; wherein the electric heating power generating circuit directly acts with the electric heating converter 10, and the temperature sensing circuit monitors the temperature of the thermistor 11 and feeds 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 blade temperature monitoring is realized in an OFF standby state; in an ON starting state, the temperature of the blade is increased;
2) when the temperature of the blade is lower than the set temperature, the electric heating generating circuit is started through the key 13, and the heating hemostasis function is triggered; at the moment, the two conditions are divided, 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 blade temperature and the set temperature is less than 20-50 ℃, reducing the output power;
3) in step 2), when the blade temperature is greater than or equal to the set temperature, the system stops the power output of the electrothermal converter.
Claims (7)
1. The diamond film electric heating scalpel is characterized in that: comprises a blade (1) and a knife handle (2) which are connected in sequence; the blade (1) comprises a blade base material (5) and a diamond film layer (6) covered on the blade base material (5).
2. The diamond film electrothermal scalpel according to claim 1, wherein: the thickness of the diamond film layer (6) is 0.5-8.9 microns.
3. The diamond film electrothermal scalpel according to claim 1, wherein: a guide groove (8) and a convex block (9) for installing the blade are arranged on the knife handle (2); the blade (1) is provided with a hole (7) used for being matched with the lug (9).
4. The diamond film electrothermal scalpel according to claim 3, 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).
5. The diamond film electrothermal scalpel according to claim 3, wherein: and a fixing element (12) which enables the two guide grooves (8) to tightly press the blade (1) is arranged outside the head of the knife handle (2).
6. The diamond film electrothermal scalpel according to claim 1, wherein: the electric heating device is characterized in that an electric heating converter (10) and a thermistor (11) which are matched with each other are arranged on the tool handle (2), and the electric heating converter (10) and the thermistor (11) are in contact with the diamond film layer (6).
7. The diamond film electrothermal scalpel according to claim 6, wherein: the electric heating control tool is characterized in that at least one key (13) is arranged on the tool handle (2), and the electric heating converter (10), the thermistor (11) and the key (13) are respectively connected with the control equipment (4) through a control line (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962262.4U CN210644162U (en) | 2019-06-25 | 2019-06-25 | Diamond film electric heating scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962262.4U CN210644162U (en) | 2019-06-25 | 2019-06-25 | Diamond film electric heating scalpel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210644162U true CN210644162U (en) | 2020-06-02 |
Family
ID=70823582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920962262.4U Active CN210644162U (en) | 2019-06-25 | 2019-06-25 | Diamond film electric heating scalpel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210644162U (en) |
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2019
- 2019-06-25 CN CN201920962262.4U patent/CN210644162U/en active Active
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