CN110075368A - A kind of preparation method of electric knife surface anti sticking mucous layer - Google Patents
A kind of preparation method of electric knife surface anti sticking mucous layer Download PDFInfo
- Publication number
- CN110075368A CN110075368A CN201910384271.4A CN201910384271A CN110075368A CN 110075368 A CN110075368 A CN 110075368A CN 201910384271 A CN201910384271 A CN 201910384271A CN 110075368 A CN110075368 A CN 110075368A
- Authority
- CN
- China
- Prior art keywords
- layer
- electric knife
- preparation
- nanometer
- sticking mucous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/082—Inorganic materials
- A61L31/088—Other specific inorganic materials not covered by A61L31/084 or A61L31/086
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2420/00—Materials or methods for coatings medical devices
- A61L2420/02—Methods for coating medical devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2420/00—Materials or methods for coatings medical devices
- A61L2420/08—Coatings comprising two or more layers
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Inorganic Chemistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of preparation methods of electric knife surface anti sticking mucous layer, and prime coat is made, and conductive layer is arranged on prime coat, on the electrically conductive by adherent layer setting, anti-sticking mucous layer are made；Prime coat is Ag layers, and conductive film layer is SiO2 and Ag mixed layer, and adherent layer is Au or Ag film layer；One layer of SiO2 and Ag mixed layer with nano level columnar matrix is prepared on electric knife, a large amount of air molecule is lockked between the nano-pillar of the mixed layer, making the contact surface between small intestine and electric knife is largely air, one layer of air cushion of generation therebetween is equivalent to, to achieve the purpose that anti-sticking；Anti-sticking mucous layer made from this preparation method has low resistivity, high temperature resistant, anti-oxidant, meets thermal shock test, and antistick characteristic is decayed very little；For electric knife during hemostasis, anti-sticking mucous layer made from the preparation method of this electric knife surface anti sticking mucous layer guarantees that electric knife will not avoid injury mucous membrane, guarantee haemostatic effect with mucous membrane adhesion.
Description
Technical field
The present invention relates to a kind of film layer preparation method more particularly to a kind of preparation sides of electric knife surface anti sticking mucous layer
Method.
Background technique
The incision principle of the electric knife of surgical operation is to be carried out using high-frequency pulse electric spark to tissue
Cutting.Specific working principle is: the two poles of the earth of high frequency pulse power supply connect electric knife and human body respectively, when pulse voltage is applied to electric knife
Between small intestine, the body fluid of closest approach is punctured, forms discharge channel.Due to the sectional area very little in channel, discharge time
It is extremely short, cause energy height to concentrate, the TRANSIENT HIGH TEMPERATURE that region of discharge generates, it is sufficient to local small intestine be made to fuse.For the first time
After end-of-pulsing, the very short time interval of process, second pulse is in another interpolar closest approach disruptive discharge, fusing deeper one
The small intestine of layer.So high-frequency circulation is gone down again and again, is finally reached the effect of excision destination organization.
During pulsed discharge, some electric flux is released on electric knife electric knife, and electric energy is quickly converted to heat
Can, cause electric knife temperature to rise.It is simultaneously non-contact discharge between electric knife and small intestine, the thermal energy of electric knife can not be by small intestine group
Knit absorption；Due to electric knife volume very little, thermal capacity also very little, in the case where no extraneous coolant liquid, the temperature of electric knife is reachable
To 800 DEG C or more (rubescent).
When rubescent electric knife and small intestine are contacted again, fat and protein moment can be carbonized and is denaturalized；These
The product of carbonization denaturation has very strong adhesion strength, electric knife can be firmly sticked, and when extracting electric knife by force, often pulls
A part of good small intestine generates new wound, and such surgeon needs again to stop blooding to new wound with electric knife,
But electric knife is possible to be sticked again.
In order to solve the problems, such as that electric knife is adhered, anti-stick coating is prepared on electric knife, is one of effective solution approach.At present
Electric knife on the market mostly uses gold-plated or silver-plated equal inert metals, but less effective.
It would therefore be highly desirable to prepare a kind of film layer of electrode head surface that electric knife is arranged in, electric knife electrode can be preferably solved
The problem of head is with small intestine's adhesion.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of electric knife surface anti sticking mucous layer, it is intended to solve existing stop
Blood electrode is in surface gold-plating or silver-plated equal inert metals, the problem that small intestine's anti-adhesion effects are not good enough.
Technical scheme is as follows: a kind of preparation method of electric knife surface anti sticking mucous layer, wherein obtained anti-sticking
Mucous layer is applied on electric knife, specifically includes the following steps:
A1: prime coat is made；
A2: the conductive layer of nano level columnar matrix is prepared on the surface of prime coat；
A3: adherent layer is set in the nano-pillar top end face of conductive layer, anti-sticking mucous layer is made.
The preparation method of the electric knife surface anti sticking mucous layer, wherein the prime coat uses Ag material layer.
The preparation method of the electric knife surface anti sticking mucous layer, wherein the conductive layer, which uses, has nano level columnar
The SiO of matrix2With nanometer Ag mixed layer.
The preparation method of the electric knife surface anti sticking mucous layer, wherein the adherent layer uses Ag material layer or Au material
The bed of material.
The preparation method of the electric knife surface anti sticking mucous layer, wherein the SiO2It is specifically wrapped with nanometer Ag mixed layer
Include following components: tetraethyl orthosilicate 12-16%；Water≤1%；HCL ≤1%；NH4OH ≤1%；Nanometer silver paste 1-5%；Remaining
For dehydrated alcohol.
The preparation method of the electric knife surface anti sticking mucous layer, wherein the SiO2With nanometer Ag mixed layer using molten
Glue-gel method is made.
The preparation method of the electric knife surface anti sticking mucous layer, wherein the preparation of the SiO2 and nanometer Ag mixed layer
Method, comprising the following steps:
A1: tetraethyl orthosilicate is slowly dropped in water, hydrochloric acid, NH4OH and dehydrated alcohol, forms presoma silicic acid tetrem
Ester；
A2: nanometer silver paste is added in presoma tetraethyl orthosilicate, mixed solution is obtained；
A3: mixed solution is sufficiently stirred, and by ultrasonic disperse, obtains SiO2 and nanometer Ag mixing wet gel.
The preparation method of the electric knife surface anti sticking mucous layer, wherein the granularity of the nanometer silver paste is 20-30nm.
The preparation method of the electric knife surface anti sticking mucous layer, wherein in the step a2, the volume ratio of nanometer Ag is
5-20 %。
The preparation method of the electric knife surface anti sticking mucous layer, wherein one layer is electroplated first on the surface of hemostasis head and beats
Bottom, then on the surface of prime coat with sol-gal process prepare one layer of nano level columnar matrix conductive layer, finally in conduction
One layer of adherent layer is electroplated in the nano-pillar top end face of layer.
Beneficial effects of the present invention: the present invention is made by providing a kind of preparation method of electric knife surface anti sticking mucous layer
Conductive layer is arranged on prime coat prime coat, on the electrically conductive by adherent layer setting, anti-sticking mucous layer is made；The bottoming
Layer is Ag layers, and conductive film layer is SiO2 and Ag mixed layer, and adherent layer is Au or Ag film layer；One layer is prepared on electric knife has nanometer
SiO2 the and Ag mixed layer of grade column matrix, locks a large amount of air molecule between the nano-pillar of the mixed layer, makes small intestine
Contact surface between electric knife is largely air, one layer of air cushion of generation therebetween is equivalent to, to reach anti-sticking mesh
's；Anti-sticking mucous layer made from the preparation method of this electric knife surface anti sticking mucous layer has low resistivity, high temperature resistant, antioxygen
Change, meets thermal shock test, antistick characteristic decaying very little；Electric knife is during hemostasis, the preparation of this electric knife surface anti sticking mucous layer
Anti-sticking mucous layer made from method guarantees that electric knife will not avoid injury mucous membrane, guarantee haemostatic effect with mucous membrane adhesion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hemostasis electric knife in the gastrointestinal tract of not viscous mucous membrane in the present invention.
Fig. 2 is the structural schematic diagram of the anti-sticking mucous layer on electric knife surface in the present invention.
Fig. 3 is the step flow chart of the preparation method of electric knife surface anti sticking mucous layer in the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments
The present invention is further described.
As shown in Figure 1, stop blooding in a kind of gastrointestinal tract of not viscous mucous membrane electric knife, including control terminal 1 and enteral working end 2, institute
Control terminal 1 is stated to connect with enteral working end 2；The control terminal 1 is equipped with energization interface 12；It wraps the enteral working end 2
Enteral work hose 21 and telescopic energization core 22 are included, the installation of energization core 22 is worked in the intestine in hose 21；Described
Energization core 22 is electrically connected with energization interface 12；The tail end of the energization core 22 is equipped with smooth hemostasis head 220, in hemostasis head
220 surface is provided with anti-sticking mucous layer, and the anti-sticking mucous layer includes the prime coat for being successively set on the surface of hemostasis head 220
31, conductive layer 32 and adherent layer 33(are as shown in Figure 2), prime coat 31 is set first on the surface of hemostasis head 220, then in prime coat
The conductive layer 32 of 31 surface setting nano level columnar matrix, is finally arranged adherent layer in the nano-pillar top end face of conductive layer 32
33。
Specifically, the prime coat 31 uses Ag material layer, with a thickness of 3-8 μm；In hemostasis 220 surface of head and conductive layer
One layer of Ag material transition layer, and high-temperature heat treatment are set between 32, can be made to stop blooding between head 220 and Ag material layer, Ag material
The transition zone that thermal diffusion is generated between layer and conductive layer 32, to improve bond strength and thermal shock resistance；The Ag material layer
Setting, the bond strength with hemostasis 220 surface of head can be improved, improve the thermal shock resistance and conduction of entire anti-sticking mucous layer
Property.
Specifically, the conductive layer 32 uses SiO2 and nanometer Ag mixed layer, with a thickness of 5-20 μm.Pass through collosol and gel
Method prepares one layer of SiO2 and nanometer Ag mixed layer with nano level columnar matrix on hemostasis 220 surface of head, which receives
A large amount of air molecule is lockked between meter Zhu, making the contact surface between small intestine and electric knife is largely air, is equivalent to
One layer of air cushion is generated between the two, to achieve the purpose that anti-sticking；SiO2 and nanometer Ag mixed layer can substantially reduce entire anti-
The resistivity of viscous mucous layer reduces when being powered volume expansion caused by the entirely fever of anti-sticking mucous layer itself, to make whole
A anti-sticking mucous layer is more matched with the thermal expansion coefficient of hemostasis head 220.
Further, the SiO2 and nanometer Ag mixed layer specifically include following components: tetraethyl orthosilicate (TEOS)
12-16%；Water≤1%；HCL(hydrochloric acid)≤1%；NH4OH ≤1%；Nanometer silver paste 1-5%；Remaining is dehydrated alcohol.
By presoma tetraethyl orthosilicate (TEOS) it is inner addition granularity be 20-30nm nanometer silver paste, make SiO2 and
Nanometer Ag mixed layer has good electric conductivity and thermal conductivity, on the one hand meets the requirement of electric knife high-frequency discharge, on the other hand
Reduce the temperature difference of electric knife matrix Yu SiO2 and nanometer Ag mixed layer, to improve thermal shock resistance and heat-resisting quantity.
Specifically, the adherent layer 33 uses Ag material layer or Au material layer, with a thickness of 0.5-2 μm, because of adherent layer 33
Thickness it is too thin, anti-sticking effect cannot be played, if 33 thickness of adherent layer is too thick, the nano-pillar peak clipping of conductive layer 32 can be made
Pinggu loses micro-nano structure.Described Au, Ag are inert metals, all more worse than SiO2 with the compatibility of protein, in SiO2 and
A thin layer of Ag material layer or Au material layer is electroplated in the nanometer rough surface of nanometer Ag mixed layer, ultimately forms nanoscale rough
Au or Ag film, thus achieve the purpose that it is anti-sticking, so Ag material layer or Au material layer can prevent hemostasis head 220 in the same of hemostasis
When with mucous membrane adhesion, cause the injury to mucous membrane.
A kind of preparation method of anti-sticking mucous layer as described above, specifically includes the following steps:
A1: prime coat 31 is made；
A2: the conductive layer 32 of nano level columnar matrix is prepared on the surface of prime coat 31；
A3: adherent layer 33 is set in the nano-pillar top end face of conductive layer 32, anti-sticking mucous layer is made.
Specifically, the conductive layer 32 be nano level columnar matrix SiO2 and nanometer Ag mixed layer, the SiO2 and
Nanometer Ag mixed layer is made using sol-gel method.
Further, the preparation method of the SiO2 and nanometer Ag mixed layer, comprising the following steps:
A1: tetraethyl orthosilicate (TEOS) is slowly dropped in water, hydrochloric acid, NH4OH and dehydrated alcohol, forms presoma silicic acid
Tetra-ethyl ester；
A2: nanometer silver paste is added in presoma tetraethyl orthosilicate, mixed solution is obtained；
A3: mixed solution is sufficiently stirred, and fully dispersed by ultrasonic wave, obtains SiO2 and nanometer Ag mixing wet gel.
Wherein, the granularity of the nanometer silver paste is 20-30nm.
Wherein, in the step a2, the volume ratio of nanometer Ag is 5-20 %.
A method of electric knife surface is arranged in anti-sticking mucous layer described above, specifically includes the following steps:
B1: prime coat 31 is covered on to the surface of entire hemostasis head 220；
B2: the conductive layer 32 of nano level columnar matrix is covered on to the surface of entire prime coat 31；
B3: baking 2-4 hours of 200-500 DEG C of high temperature is used to the prime coat 31 and conductive layer 32 on hemostasis 220 surface of head.It is general
The baking process of SiO2 film be 120-200 DEG C, 0.5-1 hour, in the technical program use 200-500 DEG C of high temperature to prime coat 31
It is toasted 2-4 hours with conductive layer 32, makes each interface (hemostasis 220 surface-Ag material layer of head, Ag material layer-SiO2 and nanometer
Ag mixed layer) between mutual thermal diffusion, form significant transition zone, effectively improve anti-sticking mucous layer and head 220 surface of stopping blooding
Bond strength and thermal shock resistance.
B4: adherent layer 33 is covered on the nano-pillar top end face of conductive layer 32.
The technical program is now enumerated following embodiment and is illustrated:
Embodiment 1
Prime coat 31:Ag material layer, 3 μm of thickness.
Conductive layer 32:SiO2 and nanometer Ag mixed layer, 20 μm of thickness；Wherein, SiO2 and nanometer Ag mixed layer is each
Ingredient is as follows: tetraethyl orthosilicate (TEOS) 12%；Water 1%；HCL 1%；NH4OH 1%；Nanometer silver paste 1%；Remaining is anhydrous
Ethyl alcohol.
Adherent layer 33:Ag material layer, 0.5 μm of thickness.
The preparation of the SiO2 and nanometer Ag mixed layer: by 12% tetraethyl orthosilicate (TEOS) be slowly dropped to 1% water,
In 1% hydrochloric acid, 1%NH4OH and dehydrated alcohol, presoma tetraethyl orthosilicate is formed；1% nanometer silver paste is added to presoma silicic acid
In tetra-ethyl ester, mixed solution is obtained；Mixed solution is sufficiently stirred, and by ultrasonic disperse, obtains SiO2 and nanometer Ag mixing
Wet gel.Wherein, the granularity of the nanometer silver paste is 20nm；In the step S2, the volume ratio of nanometer Ag is 5 μm.
By anti-sticking mucous layer be arranged on electric knife surface: by Ag material layer plating entirely hemostasis head 220 surface, with a thickness of
3µm；The SiO2 of nano level columnar matrix and nanometer Ag mixed layer are coated in the surface of entire Ag material layer, with a thickness of 20 μm；
Then it toasts 4 hours for 200 DEG C of high temperature；It is thick by the plating of Ag material layer on the nano-pillar top end face of SiO2 and nanometer Ag mixed layer
Degree is 0.5 μm.
Embodiment 2
Prime coat 31:Ag material layer, 8 μm of thickness.
Conductive layer 32:SiO2 and nanometer Ag mixed layer, 5 μm of thickness；Wherein, SiO2 and nanometer Ag mixed layer it is each at
Divide as follows: tetraethyl orthosilicate (TEOS) 16%；Water 0.5%；HCL 0.5%；NH4OH 0.5%；Nanometer silver paste 5%；Remaining is
Dehydrated alcohol.
Adherent layer 33:Au material layer, 1 μm of thickness.
The preparation of the SiO2 and nanometer Ag mixed layer: 16% tetraethyl orthosilicate (TEOS) is slowly dropped to 0.5%
In water, 0.5% hydrochloric acid, 0.5%NH4OH and dehydrated alcohol, presoma tetraethyl orthosilicate is formed；5% nanometer silver paste is added to forerunner
In body tetraethyl orthosilicate, mixed solution is obtained；Mixed solution is sufficiently stirred, and by ultrasonic disperse, obtains SiO2 and nanometer
Ag mixing wet gel.Wherein, the granularity of the nanometer silver paste is 30nm；In the step S2, the volume ratio of nanometer Ag is 20 μ
m。
By anti-sticking mucous layer be arranged on electric knife surface: by Ag material layer plating entirely hemostasis head 220 surface, with a thickness of
8µm；The SiO2 of nano level columnar matrix and nanometer Ag mixed layer are coated in the surface of entire Ag material layer, with a thickness of 5 μm；
Then it toasts 2 hours for 500 DEG C of high temperature；It is thick by the plating of Ag material layer on the nano-pillar top end face of SiO2 and nanometer Ag mixed layer
Degree is 1 μm.
Embodiment 3
Prime coat 31:Ag material layer, 5 μm of thickness.
Conductive layer 32:SiO2 and nanometer Ag mixed layer, 15 μm of thickness；Wherein, SiO2 and nanometer Ag mixed layer is each
Ingredient is as follows: tetraethyl orthosilicate (TEOS) 16%；Water 0.5%；HCL 0.5%；NH4OH 0.5%；Nanometer silver paste 5%；Remaining
For dehydrated alcohol.
Adherent layer 33:Au material layer, 0.8 μm of thickness.
The preparation of the SiO2 and nanometer Ag mixed layer: 14% tetraethyl orthosilicate (TEOS) is slowly dropped to 0.8%
In water, 0.8% hydrochloric acid, 0.8%NH4OH and dehydrated alcohol, presoma tetraethyl orthosilicate is formed；3% nanometer silver paste is added to forerunner
In body tetraethyl orthosilicate, mixed solution is obtained；Mixed solution is sufficiently stirred, and by ultrasonic disperse, obtains SiO2 and nanometer
Ag mixing wet gel.Wherein, the granularity of the nanometer silver paste is 25nm；In the step S2, the volume ratio of nanometer Ag is 15 μ
m。
By anti-sticking mucous layer be arranged on electric knife surface: by Ag material layer plating entirely hemostasis head 220 surface, with a thickness of
5µm；The SiO2 of nano level columnar matrix and nanometer Ag mixed layer are coated in the surface of entire Ag material layer, with a thickness of 15 μm；
Then it toasts 3 hours for 350 DEG C of high temperature；It is thick by the plating of Ag material layer on the nano-pillar top end face of SiO2 and nanometer Ag mixed layer
Degree is 0.8 μm.
The electric knife for being provided with anti-sticking mucous layer of embodiment 1-3 is subjected to resistivity measurement, anti-oxidant experiment, thermal shock respectively
After test and antistick characteristic die-away test, it can be seen that above-mentioned anti-sticking mucous layer has low resistivity；Resistance to 800 DEG C of high temperature, it is anti-sticking
Mucous layer does not fall off, is anti-oxidant；By 30-800 DEG C of thermal shock test, reach 50-100 thermal shock test, anti-sticking mucous layer does not take off
It falls；The antistick characteristic decaying very little of anti-sticking mucous layer.
In the technical program, prime coat 31, conductive film layer 32 and adherent layer 33 successively are set in electric knife matrix surface, it is described
Prime coat 31 is Ag layers, and conductive film layer 32 is SiO2 and Ag mixed layer, and adherent layer 33 is Au or Ag film layer；31 mesh of prime coat is set
Be improve with the bond strength of electric knife matrix, improve the thermal shock resistance and electric conductivity of entire anti-sticking mucous layer；Conductive film is set
Layer 32 can substantially reduce the resistivity of entire anti-sticking mucous layer, reduce entire anti-sticking mucous layer itself when being powered fever and
Caused volume expansion, so that entire anti-sticking mucous layer be made more to match with the thermal expansion coefficient of electric knife matrix；Adherent layer is set
33 be in order to prevent electric knife hemostasis while with mucous membrane adhesion, cause the injury of mucous membrane；On electric knife prepare one layer have receive
SiO2 the and Ag mixed layer of meter level column matrix locks a large amount of air molecule between the nano-pillar of the mixed layer, makes small intestine group
Knitting the contact surface between electric knife is largely air, one layer of air cushion of generation therebetween is equivalent to, to reach anti-sticking
Purpose；By the way that prime coat 31, conductive film layer 32 and adherent layer 33 is arranged in electric knife matrix surface, not only realizes electric knife conduction and stop
The purpose of blood, it is ensured that electric knife will not avoid injury mucous membrane, guarantee haemostatic effect with mucous membrane adhesion.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of preparation method of electric knife surface anti sticking mucous layer, which is characterized in that anti-sticking mucous layer obtained is applied in high frequency
On electric knife, specifically includes the following steps:
A1: prime coat is made；
A2: the conductive layer of nano level columnar matrix is prepared on the surface of prime coat；
A3: adherent layer is set in the nano-pillar top end face of conductive layer, anti-sticking mucous layer is made.
2. the preparation method of electric knife surface anti sticking mucous layer according to claim 1, which is characterized in that the prime coat is adopted
With Ag material layer.
3. the preparation method of electric knife surface anti sticking mucous layer according to claim 1, which is characterized in that the conductive layer is adopted
With the SiO with nano level columnar matrix2With nanometer Ag mixed layer.
4. the preparation method of electric knife surface anti sticking mucous layer according to claim 1, which is characterized in that the adherent layer is adopted
With Ag material layer or Au material layer.
5. the preparation method of electric knife surface anti sticking mucous layer according to claim 3, which is characterized in that the SiO2With receive
Rice Ag mixed layer specifically includes following components: tetraethyl orthosilicate 12-16%；Water≤1%；HCL ≤1%；NH4OH ≤1%；It receives
Rice silver paste 1-5%；Remaining is dehydrated alcohol.
6. the preparation method of electric knife surface anti sticking mucous layer according to claim 5, which is characterized in that the SiO2With receive
Rice Ag mixed layer is made using sol-gel method.
7. the preparation method of electric knife surface anti sticking mucous layer according to claim 6, which is characterized in that the SiO2 and
The preparation method of nanometer Ag mixed layer, comprising the following steps:
A1: tetraethyl orthosilicate is slowly dropped in water, hydrochloric acid, NH4OH and dehydrated alcohol, forms presoma silicic acid tetrem
Ester；
A2: nanometer silver paste is added in presoma tetraethyl orthosilicate, mixed solution is obtained；
A3: mixed solution is sufficiently stirred, and by ultrasonic disperse, obtains SiO2 and nanometer Ag mixing wet gel.
8. the preparation method of electric knife surface anti sticking mucous layer according to claim 7, which is characterized in that the nanometer silver paste
Granularity be 20-30nm.
9. the preparation method of electric knife surface anti sticking mucous layer according to claim 7, which is characterized in that the step a2
In, the volume ratio of nanometer Ag is 5-20 %.
10. the preparation method of electric knife surface anti sticking mucous layer according to claim 1, which is characterized in that in hemostasis head
One layer of prime coat is electroplated in surface first, then prepares one layer of nano level columnar matrix with sol-gal process on the surface of prime coat
Finally one layer of adherent layer is electroplated in the nano-pillar top end face of conductive layer in conductive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384271.4A CN110075368B (en) | 2019-05-09 | 2019-05-09 | Preparation method of anti-sticking film layer on surface of electrotome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384271.4A CN110075368B (en) | 2019-05-09 | 2019-05-09 | Preparation method of anti-sticking film layer on surface of electrotome |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110075368A true CN110075368A (en) | 2019-08-02 |
| CN110075368B CN110075368B (en) | 2020-11-13 |
Family
ID=67419495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910384271.4A Active CN110075368B (en) | 2019-05-09 | 2019-05-09 | Preparation method of anti-sticking film layer on surface of electrotome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110075368B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113088942A (en) * | 2020-12-28 | 2021-07-09 | 上海锐力医疗器械有限公司 | WS for operation electrode2Ni-P-PTFE doped medical composite coating and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231878A (en) * | 1999-03-23 | 1999-10-20 | 江苏铁医美达康医疗设备厂 | Internal heated type electric heated scalpel |
| CN102503170A (en) * | 2011-10-19 | 2012-06-20 | 河南大学 | Super-hydrophobic coating for icing flashover prevention of insulator as well as icing flashover resistant insulator and preparation method thereof |
| CN103102082A (en) * | 2013-02-04 | 2013-05-15 | 山东理工大学 | Preparation method of super-hydrophobic nano-silica film |
| CN103892905A (en) * | 2014-04-17 | 2014-07-02 | 吉林大学 | Bionic anti-sticking high-frequency electrotome bit |
| CN204158488U (en) * | 2014-08-19 | 2015-02-18 | 郑建都 | The not sticky electric knife of one |
| CN105596078A (en) * | 2016-01-30 | 2016-05-25 | 吉林大学 | High-frequency electric knife tool bit capable of reducing adhesion |
-
2019
- 2019-05-09 CN CN201910384271.4A patent/CN110075368B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231878A (en) * | 1999-03-23 | 1999-10-20 | 江苏铁医美达康医疗设备厂 | Internal heated type electric heated scalpel |
| CN102503170A (en) * | 2011-10-19 | 2012-06-20 | 河南大学 | Super-hydrophobic coating for icing flashover prevention of insulator as well as icing flashover resistant insulator and preparation method thereof |
| CN103102082A (en) * | 2013-02-04 | 2013-05-15 | 山东理工大学 | Preparation method of super-hydrophobic nano-silica film |
| CN103892905A (en) * | 2014-04-17 | 2014-07-02 | 吉林大学 | Bionic anti-sticking high-frequency electrotome bit |
| CN204158488U (en) * | 2014-08-19 | 2015-02-18 | 郑建都 | The not sticky electric knife of one |
| CN105596078A (en) * | 2016-01-30 | 2016-05-25 | 吉林大学 | High-frequency electric knife tool bit capable of reducing adhesion |
Non-Patent Citations (4)
| Title |
|---|
| JUN-YONG PARK ET AL: "《Antiadhesion Function between a Biological Surface and a Metallic Device Interface at High Temperature by Wettability Control》", 《ACS BIOMATERIALS SCIENCE & ENGINEERING》 * |
| 付佳: "《高频电刀电极表面耦合仿生减粘脱附性能研究》", 《中国优秀硕士学位论文全文数据库》 * |
| 刘光等: "《载能电刀仿生防粘表面技术》", 《机械工程学报》 * |
| 李雅等: "《纳米二氧化硅对镀银铜粉导电性能的影响研究》", 《电子与封装》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113088942A (en) * | 2020-12-28 | 2021-07-09 | 上海锐力医疗器械有限公司 | WS for operation electrode2Ni-P-PTFE doped medical composite coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110075368B (en) | 2020-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Demolin et al. | Soft thrombus formation in radiofrequency catheter ablation | |
| Blouin et al. | The effect of electrode design on the efficiency of delivery of radiofrequency energy to cardiac tissue in vitro | |
| JP2010508899A (en) | Tissue cutting and coagulation with electrical plasma, and surgical devices | |
| CN110075368A (en) | A kind of preparation method of electric knife surface anti sticking mucous layer | |
| CN103519887B (en) | A kind of Percutaneous radiofrequency ablation melts renal sympathetic nerve art system | |
| US20150004359A1 (en) | Platinum containing conductive paste | |
| CN110051424A (en) | A kind of interior electric knife that stops blooding of gastrointestinal tract of not viscous mucous membrane | |
| CN110053325A (en) | A kind of anti-sticking mucous layer on electric knife surface | |
| CN109938830A (en) | A kind of method that electric knife surface is arranged in anti-sticking mucous layer | |
| CN113397691A (en) | Pulse and radio frequency ablation integrated machine and using method thereof | |
| CN203369959U (en) | Multi-electrode hypertension intravascular treatment catheter capable of adjusting impedance | |
| CN209826965U (en) | Multifunctional low-temperature plasma operation electrode | |
| CN110952741A (en) | Electric heating wallpaper with three built-in electrodes | |
| CN208784913U (en) | A kind of water-cooled microwave ablation needle that magnetic is compatible | |
| CN203662900U (en) | System used for percutaneous radiofrequency ablation renal sympathetic nerve removing operation | |
| CN201404288Y (en) | Electric heating measuring cutter | |
| CN109481005A (en) | A kind of ganglioside GM_3 micro-wire monopolar coagulation | |
| CN109481006A (en) | A kind of ganglioside GM_3 micro-wire bipolar coagulation | |
| CN204910436U (en) | Can tear sheath | |
| CN211271116U (en) | Bipolar curved scissors structure | |
| CN107049297A (en) | A kind of microneedle device and preparation method thereof | |
| CN201404289Y (en) | Heart radio frequency ablation electrical knife pen | |
| CN216933247U (en) | Frontal pillow integrated electroencephalogram electrode plate | |
| CN109875555A (en) | A kind of Noninvasive electroencephalogramrecording recording electrode and preparation method thereof | |
| CN209404941U (en) | A kind of interchangeable coagulation hook of blood vessel imaging gib head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |