CN111449608A - Endoscope body and method for improving lubricating performance of endoscope body - Google Patents

Endoscope body and method for improving lubricating performance of endoscope body Download PDF

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Publication number
CN111449608A
CN111449608A CN202010253458.3A CN202010253458A CN111449608A CN 111449608 A CN111449608 A CN 111449608A CN 202010253458 A CN202010253458 A CN 202010253458A CN 111449608 A CN111449608 A CN 111449608A
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Prior art keywords
pipe
steel wire
endoscope body
ionic liquid
molybdenum disulfide
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CN202010253458.3A
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Chinese (zh)
Inventor
孙宇
邓安鹏
方斌
王聪
周健
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Chongqing Jinshan Medical Technology Research Institute Co Ltd
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Chongqing Jinshan Medical Technology Research Institute Co Ltd
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Priority to CN202010253458.3A priority Critical patent/CN111449608A/en
Publication of CN111449608A publication Critical patent/CN111449608A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064Constructional details of the endoscope body
    • A61B1/00071Insertion part of the endoscope body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005Flexible endoscopes
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00Etching metallic material by chemical means
    • C23F1/10Etching compositions
    • C23F1/14Aqueous compositions

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Biophysics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Metallurgy (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
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  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)

Abstract

The invention provides an endoscope body and a method for improving the lubricating property of the endoscope body, and belongs to the technical field of endoscopes. The endoscope body comprises a light guide part, a universal cable part, an operation part, an insertion part, a bending part and a head end part, wherein a water gas pipe, an optical fiber protective pipe, a clamp pipe, an auxiliary water supply pipe, a cable protective pipe and a steel wire protective pipe are arranged in the insertion part in a penetrating mode, and the surfaces of the water gas pipe, the optical fiber protective pipe, the clamp pipe, the auxiliary water supply pipe, the cable protective pipe and the steel wire protective pipe are coated with a bonding agent and a lubricating agent. The lubricant is adhered to the surface of each pipeline through the adhesive, so that the lubricating performance among the pipelines is effectively ensured.

Description

Endoscope body and method for improving lubricating performance of endoscope body
Technical Field
The invention belongs to the technical field of endoscopes, and relates to an endoscope body and a method for improving the lubricating property of the endoscope body.
Background
The electronic endoscope is a device which is provided with a slender flexible insertion part and is provided with a camera device at the front end and can be inserted into a body cavity to acquire an image of an intra-cavity scene, and the electronic endoscope can realize real-time output display of the intra-cavity scene image by being connected with other equipment of an endoscope system. A conventional endoscope includes a light guide portion, a universal cable portion, an operation portion, an insertion portion, a bending portion, and a head end portion. As shown in fig. 1, a water vapor nozzle 1 ', an illumination window 2', a clamping passage hole 3 ', an auxiliary water supply port 4' and an objective window 5 'are provided on the head end portion, a water vapor pipe communicating with the water vapor nozzle 1', an optical fiber protection pipe communicating with the illumination window 2 ', a clamping passage pipe communicating with the clamping passage hole 3', an auxiliary water supply pipe communicating with the auxiliary water supply port 4 'and a cable protection pipe communicating with the objective window 5' are provided in the insertion portion, a light guide optical fiber is provided in the optical fiber protection pipe, four steel wires are provided in the insertion portion, and the bending of the bending portion is controlled up and down and left and right.
When the insertion part is bent and the bending part is controlled to be bent by using the steel wire, the relative motion of the water gas pipe, the optical fiber protection pipe, the clamping pipe, the auxiliary water feeding pipe and the cable protection pipe can be caused, so that the mutual friction among the pipelines is caused, the bending performance of the insertion part can be influenced, the abrasion of the outer wall of each pipeline can be caused when the friction force is large, and the service life is further shortened. In order to reduce the friction force among the pipelines, molybdenum disulfide is coated on the outer wall of each pipeline to increase the lubricating performance among the pipelines, but the molybdenum disulfide is easy to fall off from the outer wall of the pipeline. When molybdenum disulfide drops from the pipeline outer wall, the lubricating property between the pipelines becomes poor, the bending property of the insertion part is reduced, and the abrasion of the pipeline outer wall is increased.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an endoscope body with good lubricating performance among pipelines.
A method for improving the lubricating performance of the endoscope body is also provided.
The purpose of the invention can be realized by the following technical scheme:
the endoscope body comprises a light guide part, a universal cable part, an operation part, an insertion part, a bending part and a head end part, wherein a water gas pipe, an optical fiber protective pipe, a clamping pipe, an auxiliary water supply pipe, a cable protective pipe and a steel wire protective pipe are arranged in the insertion part in a penetrating mode, and the surfaces of the water gas pipe, the optical fiber protective pipe, the clamping pipe, the auxiliary water supply pipe, the cable protective pipe and the steel wire protective pipe are coated with a bonding agent and a lubricating agent. The lubricant is adhered to the surface of each pipeline through the adhesive and is not easy to fall off, so that the lubricating performance among the pipelines is effectively ensured.
In the endoscope body, the lubricant is molybdenum disulfide.
In the above endoscope, the adhesive is an ionic liquid.
In the above endoscope, the ionic liquid is 1-butyl-3-methylimidazolium tetrafluoroborate.
In the endoscope body, the surfaces of the water gas pipe, the optical fiber protection pipe, the forceps pipe, the auxiliary water supply pipe, the cable protection pipe and the steel wire protection pipe are provided with a plurality of adsorption pits, and the lubricant is positioned in the adsorption pits. The 1-butyl-3-methylimidazole tetrafluoroborate has a chemical erosion effect on the surface of each pipeline, so that the surface of each pipeline is coarsened to form adsorption pits, and the adhesion of molybdenum disulfide on the surface of each pipeline is improved.
In the endoscope body, the steel wire is arranged in the steel wire protection tube in a penetrating way, and the surface of the steel wire is provided with a lubricating film.
The method for improving the lubricating property of the endoscope body comprises the following steps:
①, mixing molybdenum disulfide and ionic liquid according to a certain proportion;
and ②, coating the ionic liquid containing molybdenum disulfide on the surface of the steel wire, penetrating the steel wire into a steel wire protective tube, and enabling 1-butyl-3-methylimidazole tetrafluoroborate (ionic liquid), OCr17Ni12Mo2 (chemical formula of the steel wire) and oxygen molecules in air to generate a lubricating film containing CrO3, NiO and FeF3, wherein the steel wire can promote the chemical action in the friction process.
And ③, smearing the molybdenum disulfide-containing ionic liquid on the surfaces of the water gas pipe, the optical fiber protective pipe, the clamp pipe, the auxiliary water supply pipe, the cable protective pipe and the steel wire protective pipe, adsorbing the molybdenum disulfide on the surfaces of the pipelines by the adsorption force of the ionic liquid, and simultaneously, coarsening the surfaces of the pipelines to form a plurality of tiny adsorption pits by using the corrosion of the ionic liquid on the surfaces of the plastic pipelines, so as to improve the adhesive force of molybdenum dioxide particles on the surfaces of the pipelines.
In the method for improving the lubricating performance of the endoscope body, in step ①, molybdenum disulfide with a diameter of 50nm is mixed with the ionic liquid, and the ratio of the weight of the molybdenum disulfide to the volume of the ionic liquid is 10 mg/ml.
Compared with the prior art, the invention has the following advantages:
mix the back with molybdenum disulfide and ionic liquid and paint steel wire and water gas pipe, the optic fibre pillar, the tong pipe, supplementary flow pipe, the surface of cable pillar and steel wire pillar, produce the lubricant film who contains CrO3, NiO and FeF3 through chemical reaction with the steel wire, and ionic liquid has the adsorption affinity, can stably adsorb molybdenum disulfide, the surface of ionic liquid erosion each pipeline simultaneously, make the surface coarsening of each pipeline form a plurality of small absorption pits, promote the adhesive force of molybdenum dioxide particle at the pipeline surface, reach the purpose that promotes lubricating property between each pipeline, the bending property of inserted part has been promoted, the control performance of operation portion to the flexion has been promoted, the performance of endoscope has been promoted.
Drawings
Fig. 1 is a schematic end view of a head end provided in the background art.
Fig. 2 is a schematic structural view of an endoscope body provided by the present invention.
Fig. 3 is a schematic cross-sectional view of an insert provided by the present invention.
In the figure, 1, a water gas pipe; 2. an optical fiber protective tube; 3. a clamp tube; 4. an auxiliary water supply pipe; 5. a cable protective tube; 6. a light guide part; 7. a universal cable section; 8. an operation section; 9. an insertion portion; 10. a bending section; 11. a head end portion; 12. and (4) protecting the pipe by using a steel wire.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
The endoscope body shown in fig. 2 includes a light guide portion 6, a universal cable portion 7, an operation portion 8, an insertion portion 9, a bending portion 10, and a head end portion 11. As shown in fig. 3, the insertion portion 9 is provided with two optical fiber protection tubes 2, four steel wire protection tubes 12, which are approximately distributed on the upper, lower, left and right sides of the insertion portion 9, and a water pipe 1, an optical fiber protection tube 2, a clamp pipe 3, an auxiliary water supply pipe 4, a cable protection tube 5, and a steel wire protection tube 12, which are inserted into the insertion portion 9, respectively, to control the bending of the insertion portion 9 in the upper, lower, left and right directions. The surfaces of the water vapor pipe 1, the optical fiber protection pipe 2, the clamp pipe 3, the auxiliary water supply pipe 4, the cable protection pipe 5 and the steel wire protection pipe 12 are coated with the adhesive and the lubricant, and the lubricant is adhered to the surface of each pipeline through the adhesive and is not easy to fall off, so that the lubricating performance among the pipelines is effectively ensured.
In this example, the lubricant is molybdenum disulfide, approximately 50nm in diameter. The adhesive is ionic liquid, and the ionic liquid is 1-butyl-3-methylimidazole tetrafluoroborate.
The lubricating performance of the endoscope body can be improved by the following methods:
step ①, mixing the molybdenum disulfide with the ionic liquid in a ratio of 10mg per ml of ionic liquid, wherein after mixing the molybdenum disulfide with the ionic liquid, there is 10mg of molybdenum disulfide per 1 ml of ionic liquid.
And ②, coating the ionic liquid containing molybdenum disulfide on the surface of the steel wire, penetrating the steel wire into the steel wire protective tube 12, and generating a lubricating film containing CrO3, NiO and FeF3 by the 1-butyl-3-methylimidazolium tetrafluoroborate, the steel wire (OCr17Ni12Mo2) and oxygen molecules in the air during the friction process of the steel wire, wherein the lubricating film is wrapped on the surface of the steel wire.
Step ③, smearing the molybdenum disulfide-containing ionic liquid on the surfaces of the water vapor pipe 1, the optical fiber protective pipe 2, the clamp pipe 3, the auxiliary water supply pipe 4, the cable protective pipe 5 and the steel wire protective pipe 12, adsorbing the molybdenum disulfide on the surfaces of the pipelines through the adsorption force of the ionic liquid, and simultaneously, roughening the surfaces of the pipelines to form a plurality of tiny adsorption pits by using the erosion of the ionic liquid on the surfaces of the plastic pipelines, so as to improve the adhesive force of molybdenum dioxide particles on the outer surfaces of the pipelines.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (8)

1. An endoscope body comprises a light guide portion (6), a universal cable portion (7), an operation portion (8), an insertion portion (9), a bending portion (10) and a head end portion (11), wherein a water gas pipe (1), an optical fiber protection pipe (2), a clamp pipe (3), an auxiliary water supply pipe (4), a cable protection pipe (5) and a steel wire protection pipe (12) penetrate through the insertion portion (9), and is characterized in that the surfaces of the water gas pipe (1), the optical fiber protection pipe (2), the clamp pipe (3), the auxiliary water supply pipe (4), the cable protection pipe (5) and the steel wire protection pipe (12) are coated with a bonding agent and a lubricating agent.
2. The endoscopic scope of claim 1 wherein said lubricant is molybdenum disulfide.
3. The endoscopic scope of claim 2 wherein said adhesive is an ionic liquid.
4. An endoscope body according to claim 3 and characterized in that said ionic liquid is 1-butyl-3-methylimidazolium tetrafluoroborate.
5. The endoscope body according to the claim 4, characterized in that the surface of the water gas pipe (1), the optical fiber protective pipe (2), the clamp pipe (3), the auxiliary water supply pipe (4), the cable protective pipe (5) and the steel wire protective pipe (12) is provided with a plurality of adsorption pits, and the lubricant is positioned in the adsorption pits.
6. An endoscope body according to claim 3 or 4, characterized in that a steel wire is arranged in said steel wire protection tube (12) in a penetrating manner, and the surface of said steel wire has a lubricating film.
7. A method of improving the lubricating properties of the endoscope body of claims 4 or 5 or 6, comprising the steps of:
①, mixing molybdenum disulfide and ionic liquid according to a certain proportion;
step ②, smearing the ionic liquid containing molybdenum disulfide on the surface of the steel wire, and penetrating the steel wire into the steel wire protective pipe (12);
and ③, smearing the molybdenum disulfide-containing ionic liquid on the surfaces of the water vapor pipe (1), the optical fiber protective pipe (2), the clamp pipe (3), the auxiliary water supply pipe (4), the cable protective pipe (5) and the steel wire protective pipe (12).
8. The method of claim 7, wherein in step ①, molybdenum disulfide having a diameter of 50nm is mixed with the ionic liquid, and the ratio of the weight of the molybdenum disulfide to the volume of the ionic liquid is 10 mg/ml.
CN202010253458.3A 2020-04-02 2020-04-02 Endoscope body and method for improving lubricating performance of endoscope body Pending CN111449608A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113777772A (en) * 2021-09-15 2021-12-10 中国建筑材料科学研究总院有限公司 Optical fiber type endoscope and preparation method and application thereof

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1128184A (en) * 1997-07-10 1999-02-02 Olympus Optical Co Ltd Endoscope and glass fiber
DE10222686A1 (en) * 2001-05-22 2002-11-28 Asahi Optical Co Ltd Endoscope includes a lubricant comprising a silicone oil and a solid lubricant comprising boron nitride, polytetrafluoroethylene and/or molybdenum disulfide
CN101070449A (en) * 2007-06-21 2007-11-14 复旦大学 Molybdenum-disulfide radical anti-corrosion wear-reduced coating
CN101508854A (en) * 2009-03-24 2009-08-19 机械科学研究总院先进制造技术研究中心 Ultrahigh-strength steel plate heat-punch member high-temperature oxidation resistant lubricate paint
CN102250544A (en) * 2010-05-18 2011-11-23 中国科学院兰州化学物理研究所 Lubricating coating with low friction and long service life
CN102464498A (en) * 2010-11-16 2012-05-23 中国科学院兰州化学物理研究所 Preparation method of ionic liquid binary composite nano lubricating film
CN105153927A (en) * 2015-08-18 2015-12-16 兰州空间技术物理研究所 MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance as well as preparation method
CN108707496A (en) * 2018-04-02 2018-10-26 湘潭大学 A kind of high-mechanic two dimension molybdenum disulfide-binary ionic liquid composite lubricating film and preparation method
CN109135890A (en) * 2018-08-28 2019-01-04 厦门仕烯科技有限公司 A kind of modification of lubricating oils and preparation method thereof
CN109810771A (en) * 2019-01-18 2019-05-28 湘潭大学 A kind of ionic liquid and micro-nano solid cooperative reinforcing grinding fluid and preparation method
CN110547751A (en) * 2019-09-06 2019-12-10 重庆金山医疗技术研究院有限公司 Button lever, button, and endoscope system
CN110551556A (en) * 2019-07-26 2019-12-10 西南交通大学 quaternary phosphonium salt-two-dimensional material composite lubricating additive, preparation method and use method thereof, and industrial lubricating oil

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1128184A (en) * 1997-07-10 1999-02-02 Olympus Optical Co Ltd Endoscope and glass fiber
DE10222686A1 (en) * 2001-05-22 2002-11-28 Asahi Optical Co Ltd Endoscope includes a lubricant comprising a silicone oil and a solid lubricant comprising boron nitride, polytetrafluoroethylene and/or molybdenum disulfide
CN101070449A (en) * 2007-06-21 2007-11-14 复旦大学 Molybdenum-disulfide radical anti-corrosion wear-reduced coating
CN101508854A (en) * 2009-03-24 2009-08-19 机械科学研究总院先进制造技术研究中心 Ultrahigh-strength steel plate heat-punch member high-temperature oxidation resistant lubricate paint
CN102250544A (en) * 2010-05-18 2011-11-23 中国科学院兰州化学物理研究所 Lubricating coating with low friction and long service life
CN102464498A (en) * 2010-11-16 2012-05-23 中国科学院兰州化学物理研究所 Preparation method of ionic liquid binary composite nano lubricating film
CN105153927A (en) * 2015-08-18 2015-12-16 兰州空间技术物理研究所 MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance as well as preparation method
CN108707496A (en) * 2018-04-02 2018-10-26 湘潭大学 A kind of high-mechanic two dimension molybdenum disulfide-binary ionic liquid composite lubricating film and preparation method
CN109135890A (en) * 2018-08-28 2019-01-04 厦门仕烯科技有限公司 A kind of modification of lubricating oils and preparation method thereof
CN109810771A (en) * 2019-01-18 2019-05-28 湘潭大学 A kind of ionic liquid and micro-nano solid cooperative reinforcing grinding fluid and preparation method
CN110551556A (en) * 2019-07-26 2019-12-10 西南交通大学 quaternary phosphonium salt-two-dimensional material composite lubricating additive, preparation method and use method thereof, and industrial lubricating oil
CN110547751A (en) * 2019-09-06 2019-12-10 重庆金山医疗技术研究院有限公司 Button lever, button, and endoscope system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113777772A (en) * 2021-09-15 2021-12-10 中国建筑材料科学研究总院有限公司 Optical fiber type endoscope and preparation method and application thereof

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