CN112795885A - High-frequency electrotome anti-sticking coating and preparation method thereof - Google Patents
High-frequency electrotome anti-sticking coating and preparation method thereof Download PDFInfo
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- CN112795885A CN112795885A CN202110380080.8A CN202110380080A CN112795885A CN 112795885 A CN112795885 A CN 112795885A CN 202110380080 A CN202110380080 A CN 202110380080A CN 112795885 A CN112795885 A CN 112795885A
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- 238000000576 coating method Methods 0.000 title claims abstract description 54
- 239000011248 coating agent Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 41
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000010330 laser marking Methods 0.000 claims abstract description 10
- 238000001755 magnetron sputter deposition Methods 0.000 claims abstract description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 28
- 238000000137 annealing Methods 0.000 claims description 28
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- 229910052786 argon Inorganic materials 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 238000004544 sputter deposition Methods 0.000 claims description 14
- 238000005238 degreasing Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 239000013077 target material Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 239000010963 304 stainless steel Substances 0.000 claims description 5
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 5
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 4
- 230000002209 hydrophobic effect Effects 0.000 abstract description 4
- 230000003075 superhydrophobic effect Effects 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 4
- 208000031737 Tissue Adhesions Diseases 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 210000005228 liver tissue Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- 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
- C23C14/0641—Nitrides
-
- 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
- C23C14/58—After-treatment
- C23C14/5806—Thermal treatment
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention relates to an anti-sticking coating of a high-frequency electrotome and a preparation method thereof, which are characterized in that laser marking gridding treatment and magnetron sputtering TiN coating preparation are carried out on a high-frequency electrotome substrate in sequence to obtain the TiN coating high-frequency electrotome with a latticed structure, the coating structure endows the high-frequency electrotome with excellent hydrophobic property, the highest super-hydrophobic property can enable the contact angle to reach 157 degrees, the anti-sticking capability of the high-frequency electrotome is further improved, and the operation efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of anti-sticking coatings, in particular to an anti-sticking coating for a high-frequency electrotome and a preparation method thereof.
Background
Since the commercialization of the high-frequency electric knife, the high-frequency electric knife can quickly replace the traditional medical instrument, and becomes one of the devices with the widest application and the highest use value in surgical treatment. Meanwhile, the popularization of the computer technology enables the high-frequency electrotome equipment to become safe and reliable, and the blood vessel coagulation diameter can be increased to 7mm through accurate calculation and feedback control. Moreover, people also utilize the advantage of cutting hemostasis of the high-frequency electrotome to gradually explore the application of the high-frequency electrotome in the endoscopic surgery.
However, the high-frequency electric knife vaporizes tissue by high-frequency current to achieve coagulation sterilization and tissue separation, and simultaneously, tissue fragments adhere to the surface of the blade. Once a large amount of adhered tissues appear, the resistance of the whole working circuit is increased, the current density on the surface of the electrode is reduced, the surgical visual field is also blocked, and the cutting precision is influenced. Therefore, how to solve the problem of tissue adhesion in the use process of the high-frequency electric knife is a problem which needs to be solved urgently.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the anti-sticking coating for the high-frequency electrotome, which endows the electrotome substrate with excellent hydrophobic property, so that the anti-sticking property of the electrotome is improved.
A preparation method of an anti-sticking coating of a high-frequency electrotome comprises the following steps:
taking a high-frequency electrotome as a substrate, and sequentially grinding, polishing, degreasing, cleaning and drying the substrate;
preparing a latticed structure on the surface of the substrate by a laser marking technology;
putting the substrate with the latticed structure into a magnetron sputtering coating machine, taking high-purity titanium as a target material and taking a mixed gas of argon and nitrogen as a working gas, and preparing a TiN coating on the surface of the substrate, wherein the sputtering pressure is 10-20Pa, the sputtering temperature is 100-120 ℃, the argon flow is 40-60sccm, and the nitrogen flow is 20-40 sccm;
and (3) putting the TiN coating into a vacuum annealing furnace for annealing to eliminate the internal stress of the coating, wherein the annealing temperature is 320 ℃, and the annealing time is 2 hours.
Further, the substrate is 304 stainless steel.
Further, the degreasing agent is 15% sodium carbonate solution.
Further, the cleaning is absolute ethyl alcohol ultrasonic cleaning.
Further, each grid of the grid-shaped structure is a square structure, the width of the groove between adjacent grids is 100 μm, and the side length of each grid is 200-500 μm.
Preferably, each grid has a side length of 300 μm.
The invention also provides an anti-sticking coating of the high-frequency electrotome, which is prepared by the method.
The high-frequency electrotome substrate is subjected to laser marking gridding treatment and magnetron sputtering TiN coating preparation in sequence, so that the TiN coating high-frequency electrotome with the gridding structure is obtained, the coating structure endows the high-frequency electrotome with excellent hydrophobic property, and the contact angle can reach 157 degrees at most, so that the anti-adhesion capability of the high-frequency electrotome is improved, and the operation efficiency is greatly improved.
Detailed Description
The technical effects of the present invention are demonstrated below by specific examples, but the embodiments of the present invention are not limited thereto.
Example 1
A preparation method of an anti-sticking coating of a high-frequency electrotome comprises the following steps:
a304 stainless steel high-frequency electrotome is used as a substrate, and the substrate is sequentially subjected to grinding, polishing, degreasing, cleaning and drying treatment, wherein 15% sodium carbonate solution is selected for degreasing, and absolute ethyl alcohol is selected for cleaning by ultrasonic.
Grid-like structures are prepared on the surface of the substrate by a laser marking technology, each grid is a square structure with 400 x 400 μm, and the width of a groove between every two adjacent grids is 100 μm.
And (2) putting the substrate with the latticed structure into a magnetron sputtering coating machine, and preparing a TiN coating on the surface of the substrate by taking high-purity titanium as a target material and a mixed gas of argon and nitrogen as a working gas, wherein the sputtering pressure is 10Pa, the sputtering temperature is 120 ℃, the argon flow is 60sccm, and the nitrogen flow is 20 sccm.
And (3) putting the TiN coating into a vacuum annealing furnace for annealing to eliminate the internal stress of the coating, wherein the annealing temperature is 320 ℃, and the annealing time is 2 hours.
The contact angle of the TiN coating obtained by the above method was 126 °.
Example 2
A304 stainless steel high-frequency electrotome is used as a substrate, and the substrate is sequentially subjected to grinding, polishing, degreasing, cleaning and drying treatment, wherein 15% sodium carbonate solution is selected for degreasing, and absolute ethyl alcohol is selected for cleaning by ultrasonic.
Grid-like structures are prepared on the surface of the substrate by a laser marking technology, each grid is a square structure of 350 x 350 μm, and the width of a groove between every two adjacent grids is 100 μm.
And (2) putting the substrate with the latticed structure into a magnetron sputtering coating machine, and preparing a TiN coating on the surface of the substrate by taking high-purity titanium as a target material and a mixed gas of argon and nitrogen as a working gas, wherein the sputtering pressure is 10Pa, the sputtering temperature is 120 ℃, the argon flow is 60sccm, and the nitrogen flow is 20 sccm.
And (3) putting the TiN coating into a vacuum annealing furnace for annealing to eliminate the internal stress of the coating, wherein the annealing temperature is 320 ℃, and the annealing time is 2 hours.
The contact angle of the TiN coating obtained by the above method was 134 °.
Example 3
A304 stainless steel high-frequency electrotome is used as a substrate, and the substrate is sequentially subjected to grinding, polishing, degreasing, cleaning and drying treatment, wherein 15% sodium carbonate solution is selected for degreasing, and absolute ethyl alcohol is selected for cleaning by ultrasonic.
The grid-like structures are prepared on the surface of the substrate by a laser marking technology, each grid is a 300 x 300 mu m square structure, and the width of a groove between every two adjacent grids is 100 mu m.
And (2) putting the substrate with the latticed structure into a magnetron sputtering coating machine, and preparing a TiN coating on the surface of the substrate by taking high-purity titanium as a target material and a mixed gas of argon and nitrogen as a working gas, wherein the sputtering pressure is 10Pa, the sputtering temperature is 120 ℃, the argon flow is 60sccm, and the nitrogen flow is 20 sccm.
And (3) putting the TiN coating into a vacuum annealing furnace for annealing to eliminate the internal stress of the coating, wherein the annealing temperature is 320 ℃, and the annealing time is 2 hours.
The contact angle of the TiN coating obtained by the above method was 157 °.
Example 4
A304 stainless steel high-frequency electrotome is used as a substrate, and the substrate is sequentially subjected to grinding, polishing, degreasing, cleaning and drying treatment, wherein 15% sodium carbonate solution is selected for degreasing, and absolute ethyl alcohol is selected for cleaning by ultrasonic.
The grid-like structures are prepared on the surface of the substrate by a laser marking technology, each grid is a square structure with 200 x 200 mu m, and the width of a groove between every two adjacent grids is 100 mu m.
And (2) putting the substrate with the latticed structure into a magnetron sputtering coating machine, and preparing a TiN coating on the surface of the substrate by taking high-purity titanium as a target material and a mixed gas of argon and nitrogen as a working gas, wherein the sputtering pressure is 10Pa, the sputtering temperature is 120 ℃, the argon flow is 60sccm, and the nitrogen flow is 20 sccm.
And (3) putting the TiN coating into a vacuum annealing furnace for annealing to eliminate the internal stress of the coating, wherein the annealing temperature is 320 ℃, and the annealing time is 2 hours.
The contact angle of the TiN coating obtained by the above method was 112 °.
Example 5
A304 stainless steel high-frequency electrotome is used as a substrate, and the substrate is sequentially subjected to grinding, polishing, degreasing, cleaning and drying treatment, wherein 15% sodium carbonate solution is selected for degreasing, and absolute ethyl alcohol is selected for cleaning by ultrasonic.
Grid-like structures are prepared on the surface of the substrate by a laser marking technology, each grid is a square structure with the thickness of 500 x 500 mu m, and the width of a groove between every two adjacent grids is 100 mu m.
And (2) putting the substrate with the latticed structure into a magnetron sputtering coating machine, and preparing a TiN coating on the surface of the substrate by taking high-purity titanium as a target material and a mixed gas of argon and nitrogen as a working gas, wherein the sputtering pressure is 10Pa, the sputtering temperature is 120 ℃, the argon flow is 60sccm, and the nitrogen flow is 20 sccm.
And (3) putting the TiN coating into a vacuum annealing furnace for annealing to eliminate the internal stress of the coating, wherein the annealing temperature is 320 ℃, and the annealing time is 2 hours.
The contact angle of the TiN coating obtained by the above method was 105 °.
The inventors measured the contact angle of a 304 stainless steel high frequency electric knife without any processing, and the result showed that the contact angle was 73 °. Therefore, the high-frequency electric knife is subjected to laser marking gridding treatment and magnetron sputtering of a TiN coating, so that the hydrophobic property of the surgical knife can be improved. Also, the TiN coating in example 3 can exhibit excellent superhydrophobic properties.
In order to verify the anti-adhesion property of the present invention, the inventors studied the anti-adhesion property of TiN coating. When the high-frequency electrotome of the embodiment 3 is selected to cut the porcine liver tissue serving as a cutting raw material, the maximum tissue adhesion amount on the surface of the electrotome is about 10mg, the operation time is continuously prolonged, and the adhesion amount is hardly increased; correspondingly, the maximum value of the tissue adhesion amount of the 304 stainless steel high-frequency electrotome without any processing is about 61 mg; the highest value of the texture adhesion of the high-frequency electrotome for preparing TiN coating directly on the surface of the 304 stainless steel substrate was about 31 mg.
Claims (7)
1. A preparation method of an anti-sticking coating of a high-frequency electrotome comprises the following steps:
taking a high-frequency electrotome as a substrate, and sequentially grinding, polishing, degreasing, cleaning and drying the substrate;
preparing a latticed structure on the surface of the substrate by a laser marking technology;
putting the substrate with the latticed structure into a magnetron sputtering coating machine, taking high-purity titanium as a target material and taking a mixed gas of argon and nitrogen as a working gas, and preparing a TiN coating on the surface of the substrate, wherein the sputtering pressure is 10-20Pa, the sputtering temperature is 100-120 ℃, the argon flow is 40-60sccm, and the nitrogen flow is 20-40 sccm;
and (3) putting the TiN coating into a vacuum annealing furnace for annealing to eliminate the internal stress of the coating, wherein the annealing temperature is 320 ℃, and the annealing time is 2 hours.
2. A method of making according to claim 1, wherein: the substrate is 304 stainless steel.
3. A method of making according to claim 1, wherein: and 15% sodium carbonate solution is selected for degreasing.
4. A method of making according to claim 1, wherein: the cleaning is absolute ethyl alcohol ultrasonic cleaning.
5. The method according to claim 1, wherein each grid of the grid-like structure is a square structure, the width of the trench between adjacent grids is 100 μm, and the side length of each grid is 200 μm and 500 μm.
6. A method of manufacture as described in claim 5, wherein each grid has sides of 300 μm.
7. A release coating for a high frequency electrotome, characterized in that it has been prepared by a process according to any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110380080.8A CN112795885B (en) | 2021-04-09 | 2021-04-09 | High-frequency electrotome anti-sticking coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110380080.8A CN112795885B (en) | 2021-04-09 | 2021-04-09 | High-frequency electrotome anti-sticking coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112795885A true CN112795885A (en) | 2021-05-14 |
| CN112795885B CN112795885B (en) | 2021-06-22 |
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| CN202110380080.8A Expired - Fee Related CN112795885B (en) | 2021-04-09 | 2021-04-09 | High-frequency electrotome anti-sticking coating and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090923A (en) * | 2009-12-14 | 2011-06-15 | 冷博 | Anti-adhesion surgical device |
| CN103668066A (en) * | 2012-09-11 | 2014-03-26 | 太阳化学工业株式会社 | Net structural body capable of accommodating workpiece |
| CN104278235A (en) * | 2013-07-12 | 2015-01-14 | 重庆文理学院 | Cutter with titanium nitride ceramic membrane and preparation method of cutter |
| CN105665855A (en) * | 2016-04-06 | 2016-06-15 | 吉林大学 | Preparation method of unmodified bionic super-hydrophobic and low-adhesion aluminum alloy surface |
| CN109079446A (en) * | 2018-09-20 | 2018-12-25 | 北京航空航天大学 | A method of preparing antimicrobial surface on the medical instrument |
| CN110604615A (en) * | 2019-10-16 | 2019-12-24 | 大连顺达微创科技有限公司 | Blood-sticking-preventing operation electrode and preparation method thereof |
| CN111020502A (en) * | 2019-11-29 | 2020-04-17 | 华南理工大学 | Lotus leaf-like hydrophobic antiserum adhesion surface and preparation method thereof |
| CN112144021A (en) * | 2020-09-21 | 2020-12-29 | 宁波云涂科技有限公司 | Hydrophobic hard coating suitable for high-frequency electrotome and preparation method thereof |
-
2021
- 2021-04-09 CN CN202110380080.8A patent/CN112795885B/en not_active Expired - Fee Related
Patent Citations (8)
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| CN105665855A (en) * | 2016-04-06 | 2016-06-15 | 吉林大学 | Preparation method of unmodified bionic super-hydrophobic and low-adhesion aluminum alloy surface |
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| Title |
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