CN111513661A - Curved tube for medical endoscope and method for manufacturing same - Google Patents
Curved tube for medical endoscope and method for manufacturing same Download PDFInfo
- Publication number
- CN111513661A CN111513661A CN202010315210.5A CN202010315210A CN111513661A CN 111513661 A CN111513661 A CN 111513661A CN 202010315210 A CN202010315210 A CN 202010315210A CN 111513661 A CN111513661 A CN 111513661A
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- stainless steel
- rings
- steel wire
- wear
- bending
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 49
- 239000010935 stainless steel Substances 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 239000003831 antifriction material Substances 0.000 claims abstract description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments 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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention provides a medical endoscope bent tube and a manufacturing method thereof, wherein the surface of a steel wire rope is coated with a layer of polytetrafluoroethylene or other wear-resistant antifriction materials, and the inner side surface of a small ring is coated with a layer of polytetrafluoroethylene or other wear-resistant antifriction materials, so that the friction coefficient between the steel wire rope and the small ring is greatly reduced, the wear of the steel wire rope and the small ring is reduced, and meanwhile, a common stainless steel tube with standard specification can be selected for manufacturing.
Description
Technical Field
The invention relates to a tool for placing an electrode fixing device on a skull of an implanted medical system, belonging to the technical field of implanted medical systems.
Background
The existing medical endoscope bending pipe is characterized in that a plurality of sections of stainless steel pipes are connected together by pin shafts and can rotate relatively, two small rings are arranged on the inner side of each section of stainless steel pipe, the small rings on each section of stainless steel pipe form four rows of small rings, four steel wire ropes respectively penetrate through the four rows of small rings and are fixed on the ring of the section of stainless steel pipe at the foremost end, and the sections of stainless steel pipes rotate relatively by pulling the steel wire ropes, so that the bending degree of an endoscope is adjusted.
The existing stainless steel pipes adopt some special diameters so as to ensure the smooth transition of each section of stainless steel pipe and reduce the abrasion of a steel wire rope and a circular ring. The stainless steel pipes with special diameters are not of diameter specifications commonly used in the market, need to be customized, and accordingly are high in cost and long in construction period, and the effect of reducing abrasion of the steel wire ropes and the circular rings is not obvious.
Disclosure of Invention
The invention aims to provide a tool for conveniently, quickly and accurately placing an electrode fixing device, so that the operation efficiency is improved, and the operation effect is improved.
The technical scheme of the invention is as follows.
The present invention provides, in a first aspect, a curved tube for a medical endoscope, comprising:
the bending pipe comprises a bending pipe main body and a bending pipe main body, wherein the bending pipe main body comprises a plurality of sections of stainless steel pipes which are connected through pin shafts, the stainless steel pipes can rotate relatively, a plurality of circular rings are arranged on the inner side of each section of stainless steel pipe, and the circular rings on each section of stainless steel pipe form a plurality of rows of circular rings;
a plurality of steel wire ropes respectively penetrate through the plurality of rows of circular rings and are fixed on the circular ring of the stainless steel pipe at the foremost end; the bending degree of the bending pipe main body can be adjusted by pulling the steel wire rope to enable the sections of the stainless steel pipes to rotate relatively;
wherein, each steel wire rope surface has a coating layer formed by wear-resistant and antifriction materials.
Preferably, each of said rings has a coating of a wear resistant and friction reducing material on its inner side.
Preferably, the wear resistant and friction reducing material is polytetrafluoroethylene.
Preferably, the inner side of each section of stainless steel pipe is provided with two circular rings, the circular rings on each section of stainless steel pipe form four rows of circular rings, and the number of the steel wire ropes is four.
A second aspect of the present invention provides a method for manufacturing a curved tube for an endoscope, comprising the steps of:
coating a layer of wear-resistant antifriction material on the outer surfaces of the steel wire ropes for adjusting the bending degree of the bent pipe main body;
assembling, namely enabling the steel wire ropes to respectively penetrate through a plurality of rows of circular rings formed by the circular rings on the sections of stainless steel pipes;
fixing, namely fixing the steel wire ropes on a circular ring of a stainless steel pipe at the foremost end respectively;
and a connecting step, connecting the stainless steel pipes through a pin shaft, so as to form a bent pipe main body.
Preferably, the coating step further comprises coating a layer of wear-resistant and anti-friction material on the inner side surface of each ring.
Preferably, the wear resistant and friction reducing material is polytetrafluoroethylene.
Through the technical scheme, the surface of the steel wire rope is coated with a layer of polytetrafluoroethylene or other wear-resistant and anti-friction materials, and the inner side surface of the small ring is coated with a layer of polytetrafluoroethylene or other wear-resistant and anti-friction materials, so that the friction coefficient between the steel wire rope and the small ring can be greatly reduced, the wear of the steel wire rope and the small ring is reduced, and meanwhile, a common stainless steel pipe with standard specification can be selected for manufacturing. Therefore, the invention does not need to customize the stainless steel pipe, thereby reducing the cost, shortening the construction period and effectively reducing the abrasion of the steel wire rope and the circular ring.
Drawings
FIG. 1 is a schematic view of a curved tube structure for a medical endoscope according to the present invention;
FIG. 2 is a flowchart showing a method for manufacturing a curved tube for a medical endoscope according to the present invention.
Detailed Description
Example 1
As shown in fig. 1, the present embodiment provides a bending tube for a medical endoscope, which includes a bending tube main body and a plurality of wire ropes.
The bending pipe main body comprises a plurality of sections of stainless steel pipes connected through pin shafts, the stainless steel pipes can rotate relatively, a plurality of circular rings are arranged on the inner side of each section of stainless steel pipe, and the circular rings on each section of stainless steel pipe form a plurality of rows of circular rings.
The steel wire ropes respectively penetrate through the multiple rows of circular rings and are fixed on the circular ring of the stainless steel pipe at the foremost end; the bending degree of the bending pipe main body can be adjusted by pulling the steel wire rope to enable the sections of the stainless steel pipes to rotate relatively.
Wherein, the surface of each steel wire rope is provided with a steel wire rope coating layer formed by a wear-resistant and antifriction material.
In a preferred embodiment, each of the rings has a coating of a wear resistant and friction reducing material on the inner side of the ring.
In a preferred embodiment, the wear resistant and friction reducing material is polytetrafluoroethylene.
It will be appreciated by those skilled in the art that although the wear resistant and friction reducing material defined in the above embodiments is polytetrafluoroethylene, the invention is not limited thereto. The wire rope coating and the ring coating may be formed of any suitable material known in the art.
In a preferred embodiment, there are two rings inside each section of stainless steel tube, the rings on each section of stainless steel tube form four rows of rings, and there are four wire ropes.
Example 2
A second aspect of the present invention provides a method for manufacturing a curved tube for an endoscope, comprising a plating step, an assembling step, a fixing step, and a connecting step in this order, as shown in fig. 2.
Coating and plating: in the step, a layer of wear-resistant antifriction material is coated on the outer surfaces of the steel wire ropes for adjusting the bending degree of the bent pipe main body. And through the coating step, a steel wire rope coating layer made of wear-resistant and antifriction materials is formed on the outer surfaces of the steel wire ropes.
Assembling: in the step, the steel wire ropes respectively pass through a plurality of rows of circular rings formed by the circular rings on each section of stainless steel pipe. And through the assembling step, the steel wire ropes are respectively assembled in a plurality of rows of circular rings formed by the circular rings on the sections of the stainless steel pipes.
A fixing step: in this step, the plurality of steel wire ropes are respectively fixed on the circular ring of the front-most stainless steel pipe. After the fixing step, the front ends of the plurality of wire ropes are fixed to the circular ring of the foremost stainless steel pipe, so that the foremost stainless steel pipe can be pulled to rotate.
A connection step: in this step: and connecting the stainless steel pipes through pin shafts to form a bent pipe main body. Through the connecting step, the multiple sections of stainless steel pipes are connected through the pin shaft to form a bent pipe, and the stainless steel pipes can rotate relatively under the pulling of the steel wire rope.
In a preferred embodiment, the plating step further comprises plating a layer of wear-resistant anti-friction material on the inner side surface of each of the rings. And through the coating step, steel wire rope coating layers made of wear-resistant and antifriction materials are formed on the outer surfaces of the steel wire ropes and the inner side surfaces of the circular rings at the same time.
In a preferred embodiment, the wear resistant and friction reducing material is polytetrafluoroethylene.
It will be appreciated by those skilled in the art that although the wear resistant and friction reducing material defined in the above embodiments is polytetrafluoroethylene, the invention is not limited thereto. The wire rope coating and the ring coating may be formed of any suitable material known in the art.
Although the present invention has been described in detail with reference to the embodiments for carrying out the invention, the gist of the present invention is not limited to these descriptions, and it is necessary to explain the present invention more broadly according to the descriptions of the claims. It is to be understood that the invention, which is variously modified or changed based on the description, is also included in the gist of the present invention.
Claims (7)
1. A curved tube for a medical endoscope, comprising:
the bending pipe comprises a bending pipe main body and a bending pipe main body, wherein the bending pipe main body comprises a plurality of sections of stainless steel pipes which are connected through pin shafts, the stainless steel pipes can rotate relatively, a plurality of circular rings are arranged on the inner side of each section of stainless steel pipe, and the circular rings on each section of stainless steel pipe form a plurality of rows of circular rings;
a plurality of steel wire ropes respectively penetrate through the plurality of rows of circular rings and are fixed on the circular ring of the stainless steel pipe at the foremost end; the bending degree of the bending pipe main body can be adjusted by pulling the steel wire rope to enable the sections of the stainless steel pipes to rotate relatively;
the steel wire rope is characterized in that the surface of each steel wire rope is provided with a coating layer made of wear-resistant and antifriction materials.
2. The bending tube for a medical endoscope according to claim 1, wherein a plating layer formed of a wear-resistant and friction-reducing material is provided on an inner side surface of each of the rings.
3. The curved tube for a medical endoscope according to claim 1 or 2, characterized in that said wear-resistant and friction-reducing material is polytetrafluoroethylene.
4. The bending tube for a medical endoscope according to claim 1 or 2, wherein there are two rings inside each section of stainless steel tube, the rings on each section of stainless steel tube form four rows of rings, and there are four wire ropes.
5. A method for manufacturing a curved tube for an endoscope, comprising the steps of:
coating a layer of wear-resistant antifriction material on the outer surfaces of the steel wire ropes for adjusting the bending degree of the bent pipe main body;
assembling, namely enabling the steel wire ropes to respectively penetrate through a plurality of rows of circular rings formed by the circular rings on the sections of stainless steel pipes;
fixing, namely fixing the steel wire ropes on a circular ring of a stainless steel pipe at the foremost end respectively;
and a connecting step, connecting the stainless steel pipes through a pin shaft, so as to form a bent pipe main body.
6. The method according to claim 5, wherein said coating step further comprises coating an inner surface of each of said rings with a wear-resistant and friction-reducing material.
7. The method according to claim 5 or 6, wherein the wear-resistant and friction-reducing material is polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315210.5A CN111513661A (en) | 2020-04-21 | 2020-04-21 | Curved tube for medical endoscope and method for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315210.5A CN111513661A (en) | 2020-04-21 | 2020-04-21 | Curved tube for medical endoscope and method for manufacturing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111513661A true CN111513661A (en) | 2020-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010315210.5A Pending CN111513661A (en) | 2020-04-21 | 2020-04-21 | Curved tube for medical endoscope and method for manufacturing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111513661A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000166858A (en) * | 1998-12-10 | 2000-06-20 | Olympus Optical Co Ltd | Endoscope |
| US20080234693A1 (en) * | 2007-03-21 | 2008-09-25 | Ethicon Endo-Surgery, Inc. | Endoscopic Tissue Resection Device |
| CN103126645A (en) * | 2011-11-28 | 2013-06-05 | 富士胶片株式会社 | Endoscope |
| CN103690140A (en) * | 2014-01-10 | 2014-04-02 | 上海欧太医疗器械有限公司 | Endoscope joint ring, endoscope bent part and corresponding endoscope device |
| CN105178074A (en) * | 2014-05-30 | 2015-12-23 | 无锡威顺金属制品有限公司 | Steel wire rope plastic coating technology |
| CN105286948A (en) * | 2015-10-26 | 2016-02-03 | 江苏芸迪医疗科技发展有限公司 | Tubular apparatus for endoscopic surgery |
| CN207721790U (en) * | 2017-05-31 | 2018-08-14 | 上海视介光电科技有限公司 | A kind of endoscope snake bone and endoscope |
| CN207745105U (en) * | 2017-06-07 | 2018-08-21 | 惠州市先赞科技有限公司 | Endoscope equipped with Teflon pipeline |
| CN209187861U (en) * | 2018-08-22 | 2019-08-02 | 中山市普利斯微创介入医械有限公司 | A kind of guide wire for endoscope |
-
2020
- 2020-04-21 CN CN202010315210.5A patent/CN111513661A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000166858A (en) * | 1998-12-10 | 2000-06-20 | Olympus Optical Co Ltd | Endoscope |
| US20080234693A1 (en) * | 2007-03-21 | 2008-09-25 | Ethicon Endo-Surgery, Inc. | Endoscopic Tissue Resection Device |
| CN103126645A (en) * | 2011-11-28 | 2013-06-05 | 富士胶片株式会社 | Endoscope |
| CN103690140A (en) * | 2014-01-10 | 2014-04-02 | 上海欧太医疗器械有限公司 | Endoscope joint ring, endoscope bent part and corresponding endoscope device |
| CN105178074A (en) * | 2014-05-30 | 2015-12-23 | 无锡威顺金属制品有限公司 | Steel wire rope plastic coating technology |
| CN105286948A (en) * | 2015-10-26 | 2016-02-03 | 江苏芸迪医疗科技发展有限公司 | Tubular apparatus for endoscopic surgery |
| CN207721790U (en) * | 2017-05-31 | 2018-08-14 | 上海视介光电科技有限公司 | A kind of endoscope snake bone and endoscope |
| CN207745105U (en) * | 2017-06-07 | 2018-08-21 | 惠州市先赞科技有限公司 | Endoscope equipped with Teflon pipeline |
| CN209187861U (en) * | 2018-08-22 | 2019-08-02 | 中山市普利斯微创介入医械有限公司 | A kind of guide wire for endoscope |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200811 |
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| WD01 | Invention patent application deemed withdrawn after publication |