CN111663173A - Electrolytic polishing treatment process and equipment for medical surgical anastomat metal piece - Google Patents
Electrolytic polishing treatment process and equipment for medical surgical anastomat metal piece Download PDFInfo
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- CN111663173A CN111663173A CN201910174471.7A CN201910174471A CN111663173A CN 111663173 A CN111663173 A CN 111663173A CN 201910174471 A CN201910174471 A CN 201910174471A CN 111663173 A CN111663173 A CN 111663173A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 105
- 239000002184 metal Substances 0.000 title claims abstract description 105
- 238000005498 polishing Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000005238 degreasing Methods 0.000 claims abstract description 5
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000002791 soaking Methods 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 239000012459 cleaning agent Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 7
- 239000011550 stock solution Substances 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 11
- 238000007517 polishing process Methods 0.000 abstract description 5
- 238000004381 surface treatment Methods 0.000 description 8
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 206010048038 Wound infection Diseases 0.000 description 2
- 230000003872 anastomosis Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 206010019909 Hernia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- -1 titanium ions Chemical class 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/22—Polishing of heavy metals
- C25F3/24—Polishing of heavy metals of iron or steel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to an electrolytic polishing treatment process for a medical surgical anastomat metal piece, which comprises the steps of deoiling and degreasing, electrolytic polishing, demoulding, neutralizing, passing pure water and the like. The invention also discloses an electrolytic polishing treatment device for the metal piece of the medical surgical anastomat, which comprises an electrolytic polishing tank and an electrolytic control panel, wherein a direct current positive electrode cross beam is erected on the notch of the electrolytic polishing tank, a direct current negative electrode plate is arranged on the inner side wall of the electrolytic polishing tank, polishing liquid is arranged in the electrolytic polishing tank, the metal piece to be electrolytically polished is electrically connected with the direct current positive electrode cross beam, the metal piece to be electrolytically polished is immersed in the polishing liquid to form conductive connection with the direct current negative electrode plate, and the electrolytic control panel controls the voltage and the current of direct current. The invention adopts the combination of the electrolytic polishing process and the special electrolytic polishing equipment, and has the characteristics of high surface quality and good corrosion resistance.
Description
Technical Field
The invention relates to a metal piece electrolytic polishing treatment process and equipment, in particular to a medical surgical anastomat metal piece electrolytic polishing treatment process and equipment, and belongs to the field of electrolytic polishing.
Background
The stapler is a device used in medicine to replace manual suture, and the main working principle of the stapler is to cut and break tissue by using a cutting blade in the instrument and simultaneously perform anastomosis on the tissue by using titanium nails, and the anastomosis principle is similar to a stapler. According to different application ranges, the anastomat can be mainly divided into a circular anastomat of a digestive tract (esophagus, stomach and intestine and the like), a linear cutting anastomat, a blood vessel anastomat, a hernia anastomat, an endoscopic cutting anastomat and the like, and is safe, reliable, convenient and fast, so that the anastomat is widely applied and popularized in recent years. Some main structures in the anastomat are metal parts, which play an important role as key parts of the anastomat, and the anastomat has complex shape, precise size and higher strength and hardness, so that the parts are usually made of martensite stainless steel. Because some metal parts are in direct contact with human tissues in the operation process, the requirements on the surface finish and corrosion resistance are high, and the parts are made of martensitic stainless steel, so the surface corrosion resistance cannot reach the ideal degree, and the post surface treatment process of the parts is a difficult problem which troubles anastomat production enterprises.
The surface treatment process of the parts in the industry at present is mechanical polishing. However, in the surface treatment process of the parts at present, the surfaces of the parts subjected to mechanical polishing are easy to corrode, and the parts need to be in contact with human tissues, so that the corroded and rusted surfaces of the parts can cause wound infection and the like, and the surgical risk is increased. Therefore, the prior product and the process thereof have the following defects: in the surface treatment process of the metal parts of the anastomat, after the surfaces of the parts are subjected to mechanical polishing treatment, the parts can be placed for a period of time or kept under the condition of poor environment, the surfaces of the parts can be corroded, the corroded and rusted surfaces of the parts can cause wound infection and the like, and the risk of operation is increased.
Disclosure of Invention
The invention discloses a novel scheme for the electropolishing treatment process and equipment for a medical surgical anastomat metal piece, and solves the problems of poor surface quality and corrosion resistance of the product in the existing scheme by adopting the electropolishing process and special electropolishing equipment.
The electrolytic polishing treatment process of the metal piece of the medical surgical anastomat comprises the following steps: the method comprises the steps of deoiling and degreasing: putting the metal piece into a stainless steel cleaning agent stock solution to be soaked for a set time, removing oil stains on the metal piece, then washing the metal piece with clean water, and drying the metal piece; the method comprises the following steps of: connecting the deoiled and degreased metal piece with a direct current anode, adjusting the voltage of direct current to a set value, adjusting the temperature of polishing solution to a set value, wherein the polishing solution consists of phosphoric acid, sulfuric acid and chromic anhydride, and taking out the metal piece after the metal piece is immersed in the polishing solution for a set time; removing the film: putting the metal piece subjected to electrolytic polishing into a nitric acid solution with a set concentration, soaking and demoulding, and then washing with clean water; and fourthly, neutralizing: soaking the metal piece subjected to demoulding in a sodium hydroxide solution with a set concentration for a set time, and then washing the metal piece with clean water; fifthly, passing pure water: and soaking the neutralized metal piece in purified water for a set time, and taking out and drying to obtain the electropolished metal piece.
Further, in the process, the metal piece is soaked in the stainless steel cleaning agent stock solution for 3 minutes.
Furthermore, in the step of this scheme technology, adjust direct current's voltage to 8V, adjust the temperature to 70 degrees of polishing solution, take out after lasting 5 minutes with the metalwork immerses the polishing solution.
Further, in the third step of the process, the metal piece after electrolytic polishing is put into a 10% -15% nitric acid solution to be soaked and stripped, and then is washed clean by clean water.
Further, in step four of the process, the demoulded metal piece is soaked in a 5% sodium hydroxide solution for 5-7 minutes and then washed clean with clear water.
Further, in the step of the process, the neutralized metal piece is soaked in purified water for 3 minutes and then taken out and dried to obtain the electropolishing metal piece.
The invention also discloses an electrolytic polishing treatment device for the metal piece of the medical surgical anastomat, which comprises an electrolytic polishing tank and an electrolytic control panel, wherein a direct current positive electrode cross beam is erected on the notch of the electrolytic polishing tank, a direct current negative electrode plate is arranged on the inner side wall of the electrolytic polishing tank, polishing liquid is arranged in the electrolytic polishing tank, the metal piece to be electrolytically polished is electrically connected with the direct current positive electrode cross beam, the metal piece to be electrolytically polished is immersed in the polishing liquid to form conductive connection with the direct current negative electrode plate, and the electrolytic control panel controls the voltage and the current of direct current.
Further, medical surgery anastomat metalwork electrolytic polishing treatment facility of this scheme still includes the electrolysis hanger, the electrolysis hanger includes couple pole A, couple pole B, couple pole A, couple pole B are the same couple pole of structure, the couple pole includes straight pole section, the couple head, couple pole A, be equipped with a plurality of hangers between couple pole B, be equipped with a plurality of couples on the hanger beam, it waits that the electrolytic polishing metalwork forms electrically conductive the hanging to hang on the couple, the electrolysis hanger is hung through the couple head and is established formation electrically conductive hanging on the positive crossbeam of direct current, it forms the electro-polishing conductive circuit to wait that the electrolytic polishing metalwork immerses the polishing solution.
Furthermore, the straight rod sections of the hanging beam and the hanging hook rod are coated with polyvinyl chloride glue insulating films.
Furthermore, the material of the electrolysis hanger of the scheme is titanium material, the material of the direct current positive electrode beam is copper, and the material of the direct current negative electrode plate is lead.
The electrolytic polishing treatment process and the device for the metal piece of the medical surgical anastomat adopt the electrolytic polishing process and the special electrolytic polishing device, and have the characteristics of high surface quality and good corrosion resistance.
Drawings
FIG. 1 is a schematic front view of a medical surgical stapler metal part electropolishing treatment apparatus.
Figure 2 is a schematic top view of a medical surgical stapler metal part electropolishing treatment apparatus.
FIG. 3 is a schematic view of an electrolysis hanger.
Figure 4 is a schematic view of a linear cutting stapler metal piece anvil plate part.
FIG. 5 is a schematic view of an electrolytic hanger for hanging parts.
Wherein 100 is an electrolytic polishing tank, 110 is a direct current positive electrode beam, 120 is a direct current negative electrode plate, 200 is an electrolytic control panel, 310 is a hook rod, 311 is a hook head, 320 is a hook beam, and 321 is a hook.
Detailed Description
The electrolytic polishing treatment process of the metal piece of the medical surgical anastomat comprises the following steps: the method comprises the steps of deoiling and degreasing: putting the metal piece into a stainless steel cleaning agent stock solution to be soaked for a set time, removing oil stains on the metal piece, then washing the metal piece with clean water, and drying the metal piece; the method comprises the following steps of: connecting the deoiled and degreased metal piece with a direct current anode, adjusting the voltage of direct current to a set value, adjusting the temperature of polishing solution to a set value, wherein the polishing solution consists of phosphoric acid, sulfuric acid and chromic anhydride, and taking out the metal piece after the metal piece is immersed in the polishing solution for a set time; removing the film: putting the metal piece subjected to electrolytic polishing into a nitric acid solution with a set concentration, soaking and demoulding, and then washing with clean water; and fourthly, neutralizing: soaking the metal piece subjected to demoulding in a sodium hydroxide solution with a set concentration for a set time, and then washing the metal piece with clean water; fifthly, passing pure water: and soaking the neutralized metal piece in purified water for a set time, and taking out and drying to obtain the electropolished metal piece. According to the scheme, an electrolytic polishing process is adopted, the metal workpiece is used as an anode and connected with a positive electrode of a direct current power supply, and electrolyte corrosion resistant conductive materials such as lead plates are used as a cathode, so that the metal workpiece is connected with a negative electrode of the direct current power supply. The metal workpiece is immersed into the electrolyte at a certain distance from the cathode, and the electric conduction is carried out for a certain time at a certain temperature, voltage and current density, so that the micro convex part on the surface of the metal workpiece is firstly dissolved and gradually becomes a smooth and bright surface, and a micro thin oxidation-resistant layer is formed on the surface. The electrolytic polishing enables the surface of the part to form a layer of oxide film, the surface is smooth and corrosion-resistant, the surface precision of the part is effectively improved, the corrosion is avoided, the product performance is improved, and the operation risk is reduced.
In order to realize better electrolytic polishing treatment effect, the scheme discloses various parameters of the process. The process comprises the steps of putting a metal piece into a stainless steel cleaning agent stock solution to be soaked for 3 minutes. In the step of this scheme technology, adjust direct current's voltage to 8V, adjust the temperature of polishing solution to 70 degrees, take out after soaking the metalwork in the polishing solution and lasting 5 minutes. In the step three of the process, the metal piece after electrolytic polishing is put into 10% -15% nitric acid solution to be soaked and stripped, and then is washed clean by clean water. In step four of the process, the stripped metal piece is soaked in a 5% sodium hydroxide solution for 5-7 minutes and then washed clean with clear water. In the step of the process, the neutralized metal piece is soaked in purified water for 3 minutes and then taken out and dried to obtain the electropolished metal piece. According to the parameters, the scheme realizes a better process effect.
In order to realize the process content, as shown in fig. 1 and 2, the invention also discloses an electrolytic polishing treatment device for the metal piece of the medical surgical anastomat, which comprises an electrolytic polishing tank and an electrolytic control panel, wherein a direct current positive electrode beam is erected on the notch of the electrolytic polishing tank, a direct current negative electrode plate is arranged on the inner side wall of the electrolytic polishing tank, polishing liquid is arranged in the electrolytic polishing tank, the metal piece to be electrolytically polished is in conductive connection with the direct current positive electrode beam, the metal piece to be electrolytically polished is immersed in the polishing liquid to form conductive connection with the direct current negative electrode plate, and the electrolytic control panel controls the voltage and the current of direct. Based on the above scheme, in order to realize the electropolishing circuit and improve the electropolishing processing efficiency, as shown in fig. 3, 4 and 5, the medical surgical stapler metal piece electropolishing processing equipment of the scheme further comprises an electropolishing hanger, wherein the electropolishing hanger comprises a hanger rod a and a hanger rod B, the hanger rod a and the hanger rod B are hanger rods with the same structure, the hanger rod comprises a straight rod section and a hanger head, a plurality of hanging beams are arranged between the hanger rod a and the hanger rod B, a plurality of hanging hooks are arranged on the hanging beams, a metal piece to be electropolished is hung on the hanging hooks to form conductive hanging connection, the electropolishing hanger is hung on a direct current positive cross beam through the hanger head to form conductive hanging connection, and the metal piece to be electropolished is immersed in polishing solution to form an electropolishing conductive circuit. In order to avoid the conductive loop formed by the part of the hanger immersed in the polishing solution, the straight rod sections of the hanging beam and the hanging hook rod are coated with polyvinyl chloride glue insulating films. In order to realize good conductivity, the electrolytic hanger is made of a titanium material, the direct current positive electrode cross beam is made of copper, and the direct current negative electrode plate is made of lead.
The scheme discloses a surface treatment process and equipment for parts of a medical minimally invasive surgical anastomat, and particularly relates to an electrolytic polishing surface treatment process for metal parts of the minimally invasive surgical anastomat. The scheme provides a scientific surface treatment process control technology for medical surgical anastomat parts, which takes a metal piece nail chopping board in a linear cutting anastomat as an example for illustration, the parts are made of SUS402j1, the main chemical component C is 0.16-0.25, Mn is less than or equal to 1.00, P is less than or equal to 0.035, S is less than or equal to 0.030, Si is less than or equal to 1.00, and Cr is less than or equal to 12-14. The electrolytic polishing treatment process equipment of the scheme is shown in figures 1 and 2, wherein a (electrolytic) control panel mainly controls voltage, current and the like, electrolyte (polishing solution) is placed in an electrolytic polishing groove on the right side, a heating device is placed in the wall of the electrolytic polishing groove, a copper bar (direct current positive electrode beam) is placed on the electrolytic polishing groove to serve as an anode, and a lead plate (direct current negative electrode plate) is placed on the side wall of the electrolytic polishing groove to serve as a cathode. The metal workpiece is used as the anode of a direct current power supply and is connected with the cathode of the direct current power supply by using a conductive material which is resistant to electrolyte corrosion such as a lead plate and the like as the cathode of the direct current power supply, the metal workpiece and the cathode are immersed into the electrolyte at a certain distance, and the micro-convex part on the surface of the workpiece is firstly dissolved and gradually becomes a smooth and bright surface at a certain temperature, voltage and current density, and a micro-thin oxidation resistant layer is formed on the surface.
Based on the above equipment, the process of the scheme specifically comprises the following contents.
Step one, deoiling and degreasing: and (3) soaking the metal parts in the stainless steel cleaning agent stock solution for 3 minutes, removing oil stains, washing with clear water, and drying.
Step two, electrolytic polishing: two hole positions (shown in figure 4) on the metal part are hung in an (electrolysis) hanging tool, and the hanging tool is made of titanium materials, because titanium is corrosion-resistant and has long service life, and titanium ions have no influence on bath solution. Coating a layer of polyvinyl chloride glue on the surface of the hanger, and then drying to form an insulating film. The hanger is exposed for electrically conducting with the insulating film that contact part scrapes off with the positive pole contact site and with work piece contact site, adds the polishing solution in the polishing groove, and the polishing solution ratio: regulating direct current voltage to 8V by 750mL/L of phosphoric acid, 180-210mL/L of sulfuric acid and 50-60mL/L of chromic anhydride, heating the temperature of the polishing solution to 70 ℃, placing the hanger with the metal parts into the anode, placing the hanger and the lead plate in an electrolytic bath, keeping a certain distance, and taking out the hanger after 5 minutes.
Step three, demoulding: the hanger with the metal parts is put into a 10% -15% nitric acid solution for one time and then is washed clean by clear water.
Step four, neutralization: and soaking the mixture in a 5% sodium hydroxide solution for 5-7 minutes, and then washing the mixture.
Step five, passing pure water: soaking in purified water for 3 min, taking out, and oven drying.
Sixth, packaging: and (5) dismantling the hanging tool and collecting the parts.
Based on the above contents, the scheme has the following characteristics: the surface treatment of the metal part adopts an electrolytic polishing process, a special hanger is manufactured to replace the existing mechanical polishing process, and electrolytic polishing enables the surface of the part to form a layer of oxide film, so that the surface is smooth and corrosion-resistant, the surface precision, the polishing efficiency and the product performance of the part are effectively improved, the operation risk is reduced, and the production efficiency is greatly improved. Therefore, the electrolytic polishing treatment process has the characteristics of high production efficiency and stable and reliable quality, perfectly solves the technical problem which troubles the development of the industry all the time, and has prominent substantive characteristics and remarkable progress compared with the existing scheme.
The electrolytic polishing treatment process and device for the metal part of the medical surgical anastomat are not limited to the content disclosed in the specific embodiment, the technical scheme presented in the embodiment can be extended based on the understanding of the person skilled in the art, and the simple alternative scheme made by the person skilled in the art according to the scheme and the common knowledge also belongs to the scope of the scheme.
Claims (10)
1. The electrolytic polishing treatment process of the medical surgical anastomat metal piece is characterized by comprising the following steps:
the method comprises the steps of deoiling and degreasing: putting the metal piece into a stainless steel cleaning agent stock solution to be soaked for a set time, removing oil stains on the metal piece, then washing the metal piece with clean water, and drying the metal piece;
the method comprises the following steps of: connecting the deoiled and degreased metal piece with a direct current anode, adjusting the voltage of direct current to a set value, adjusting the temperature of polishing solution to a set value, wherein the polishing solution consists of phosphoric acid, sulfuric acid and chromic anhydride, and taking out the metal piece after the metal piece is immersed in the polishing solution for a set time;
removing the film: putting the metal piece subjected to electrolytic polishing into a nitric acid solution with a set concentration, soaking and demoulding, and then washing with clean water;
and fourthly, neutralizing: soaking the metal piece subjected to demoulding in a sodium hydroxide solution with a set concentration for a set time, and then washing the metal piece with clean water;
fifthly, passing pure water: and soaking the neutralized metal piece in purified water for a set time, and taking out and drying to obtain the electropolished metal piece.
2. The process for electropolishing a metal piece of a medical surgical stapler according to claim 1, wherein in the step of immersing the metal piece in a stock solution of a stainless steel cleaning agent for 3 minutes.
3. The electropolishing treatment process for a metallic member for a medical surgical stapler as defined in claim 1, wherein in the second step, the voltage of the direct current is adjusted to 8V, the temperature of the polishing solution is adjusted to 70 degrees, and the metallic member is immersed in the polishing solution for 5 minutes and then removed.
4. The process for electropolishing a metal piece of a medical surgical stapler according to claim 1, wherein in the step three, the electropolished metal piece is soaked in a 10% -15% nitric acid solution for demoulding and then washed clean with clean water.
5. The process for electrolytically polishing the metal piece of the medical surgical stapler according to claim 1, wherein in the step IV, the stripped metal piece is soaked in a 5% sodium hydroxide solution for 5-7 minutes and then washed clean with clear water.
6. The electropolishing treatment process for a metal member for a medical surgical stapler according to claim 1, wherein in step fifthly, the electropolished metal member is obtained by soaking the neutralized metal member in purified water for 3 minutes, taking out and drying.
7. The electrolytic polishing treatment equipment for the metal piece of the medical surgical anastomat is characterized by comprising an electrolytic polishing tank and an electrolytic control panel, wherein a direct current positive cross beam is erected on a notch of the electrolytic polishing tank, a direct current negative plate is arranged on the inner side wall of the electrolytic polishing tank, polishing liquid is arranged in the electrolytic polishing tank, the metal piece to be electrolytically polished is electrically connected with the direct current positive cross beam, the metal piece to be electrolytically polished is immersed in the polishing liquid and is electrically connected with the direct current negative plate, and the electrolytic control panel controls the voltage and the current of direct current.
8. The medical surgical stapler metal part electropolishing treatment equipment according to claim 7, further comprising an electropolishing hanger, wherein the electropolishing hanger comprises a hanger rod A and a hanger rod B, the hanger rod A and the hanger rod B are hanger rods with the same structure, the hanger rod comprises a straight rod section and a hanger head, a plurality of hanging beams are arranged between the hanger rod A and the hanger rod B, a plurality of hanging hooks are arranged on the hanging beams, a metal part to be electropolished is hung on the hanging hooks to form an electric conduction hanging connection, the electropolishing hanger is hung on the direct current positive beam through the hanger head to form an electric conduction hanging connection, and the metal part to be electropolished is immersed in the polishing solution to form an electropolishing electric conduction loop.
9. The metal piece electropolishing treatment apparatus for medical surgical staplers as defined in claim 8, wherein the straight sections of the hanger beam and hanger rod are coated with an insulating film of polyvinyl chloride glue.
10. The medical surgical stapler metal part electropolishing apparatus according to claim 8, wherein the electrolytic hanger is a titanium material, the dc positive cross-beam is copper, and the dc negative plate is lead.
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| CN201910174471.7A CN111663173A (en) | 2019-03-08 | 2019-03-08 | Electrolytic polishing treatment process and equipment for medical surgical anastomat metal piece |
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| CN201910174471.7A CN111663173A (en) | 2019-03-08 | 2019-03-08 | Electrolytic polishing treatment process and equipment for medical surgical anastomat metal piece |
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| CN104070463A (en) * | 2013-03-29 | 2014-10-01 | 招远泽洋工具制造有限公司 | Special suspension bracket for workpiece surface treatment |
| CN104878442A (en) * | 2015-06-19 | 2015-09-02 | 上海脉诺金属表面处理技术有限公司 | Non-phosphorus electrolytic polishing liquid and technology for polishing workpiece surfaces with same |
| CN105088326A (en) * | 2015-08-12 | 2015-11-25 | 合肥鑫艺达抛光机械有限公司 | Operation process of stainless-steel electrolytic polishing liquid |
| CN205313701U (en) * | 2015-12-04 | 2016-06-15 | 浙江金泽金属表面处理有限公司 | Electroplating rack |
| CN206736393U (en) * | 2017-04-26 | 2017-12-12 | 无锡市明骥智能机械有限公司 | Electropolating hangers with hang hook steelyard |
| CN208218995U (en) * | 2018-04-23 | 2018-12-11 | 苏州普瑞得电子有限公司 | A kind of electronic component Electropolating hangers of installation easy to disassemble |
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Application publication date: 20200915 |