CN108433692B - Connection technology and connection structure of endoscope tip and snake bone - Google Patents
Connection technology and connection structure of endoscope tip and snake bone Download PDFInfo
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- CN108433692B CN108433692B CN201810264170.9A CN201810264170A CN108433692B CN 108433692 B CN108433692 B CN 108433692B CN 201810264170 A CN201810264170 A CN 201810264170A CN 108433692 B CN108433692 B CN 108433692B
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- snake bone
- tail end
- endoscope
- tip
- endoscope tip
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- 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
-
- 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
- A61B1/00064—Constructional details of the endoscope body
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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 discloses a connection process of an endoscope tip and snake bone, which comprises the following steps: step 1, expanding the aperture of a snake bone tail end pipe joint. And 2, opening the circumferential surface of the reamed snake bone tail end pipe joint. And 3, inserting the connecting part of the tip end of the endoscope into the reamed snake bone tail end pipe section hole. And 4, welding and fixing the connecting part of the tip end of the endoscope and the pipe joint at the tail end of the snake bone at the opening. According to the connecting process, on the premise that the length of a connecting position is not increased and the overall outer diameter of the snake bone is not increased, the aperture of a pipe section at the tail end is enlarged and the pipe section is opened on the pipe section, the connecting part of the tip end of the endoscope is welded at the opening to the snake bone so as to realize connection, the flexibility of the snake bone is not reduced, and meanwhile, the snake bone is firmly connected with the tip end by adopting welding connection, and the snake bone cannot fall off. The invention also discloses a connecting structure of the endoscope tip head and the snake bone, which is manufactured by the connecting process and has the advantages of simple structure, strong flexibility and firm connection.
Description
Technical Field
The invention relates to the technical field of endoscopes, in particular to a connection process and a connection structure of an endoscope tip and snake bones.
Background
The traditional endoscope tip is connected with snake bone in two modes: (1) The tip is directly arranged on the snake bone by enlarging the diameter of the snake bone. Although the connecting process can greatly shorten the length of the connecting part, the external diameter of the product is greatly increased due to the increase of the external diameter of the snake bone; (2) The tip and the snake bone are connected with the annular part respectively by a metal annular part as a connecting medium. The connecting mode can be used for completing connection on the premise of not greatly increasing the outer diameter of the connecting part, but the length of the connecting position needs to be increased, and the two modes lead to the increase of the part of the product which cannot be bent, so that the flexibility of the snake bone is reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a connecting process of the tip of the endoscope and the snake bone, which has simple process, firm connection and no reduction of flexibility of the snake bone.
The invention also provides a connecting structure of the endoscope tip and the snake bone, which has the advantages of simple structure, strong flexibility and firm connection.
The technical scheme of the connection process of the tip of the endoscope and the snake bone is as follows: the process comprises the following steps:
step 1, reaming: the aperture of the tail end tube section of the snake bone is enlarged.
Step 2, opening: and opening the circumferential surface of the reamed snake bone tail end pipe joint.
Step 3, installation: the connecting part of the tip end of the endoscope is inserted into the section hole of the end tube of the reamed snake bone.
Step 4, welding: and welding and fixing the connecting part of the tip end of the endoscope and the pipe joint at the tail end of the snake bone at the opening.
In the step 1, the inner pore diameter and the outer pore diameter of the pipe joint at the tail end of the snake bone are reamed by a sheet metal reaming process, so that the reamed diameter is larger than the diameter by one unit wall thickness.
As an improvement of the above technical solution, in the step 2, a plurality of openings are formed on the circumferential surface of the section of the end tube of the snake bone in the circumferential direction by adopting a laser cutting or wire cutting method.
As an improvement of the above technical solution, in the step 3, the outer diameter of the tip connecting portion is processed so that the outer diameter is smaller than the diameter of the snake bone end tube section by 0.05mm.
As an improvement of the technical scheme, the opening is rectangular, and has a width of 1.5mm and a length of 2.5mm.
In the step 4, the connection part of the tip end of the endoscope and the pipe joint of the tail end of the snake bone are welded and fixed at the opening by adopting a laser welding or soldering mode.
The invention relates to a connecting structure of an endoscope tip and a snake bone, which is formed by the connecting process, and adopts the following technical scheme:
the utility model provides a connection structure of endoscope tip and snake bone, includes snake bone and endoscope tip connecting portion, the snake bone comprises multisection flexible tube coupling, its characterized in that: the aperture of the tail end pipe section of the snake bone is larger than that of other pipe sections, a plurality of openings are formed in the circumferential surface of the tail end pipe section of the snake bone, the connecting part of the tip end of the endoscope is inserted into the tail end pipe section, and the tail end pipe section are fixed at the openings through welding.
As an improvement of the technical scheme, the number of the openings is four, and the openings are uniformly distributed along the circumferential surface of the tail end pipe joint.
As an improvement of the above technical solution, the opening is rectangular.
As an improvement of the technical scheme, the pore diameter of the tail end pipe joint of the snake bone is larger than that of other pipe joints by one unit wall thickness.
The invention has the beneficial effects that:
according to the connection process, the last section of the snake bone structure is improved, the aperture of the tail end pipe joint is enlarged and the tail end pipe joint is opened on the last section of the snake bone structure on the premise that the length of the connection position is not increased and the overall outer diameter of the snake bone is not increased, the connection is realized by welding the connection part of the tip end of the endoscope and the snake bone at the opening, the flexibility of the snake bone is not reduced, and meanwhile, the connection between the snake bone and the connection part of the tip end of the endoscope is firm due to the adoption of welding connection, and the snake bone cannot fall off. Meanwhile, the connecting structure manufactured by the connecting process has the advantages of simple structure, strong flexibility and firm connection.
Drawings
The invention will be further described with reference to the accompanying drawings and specific examples, in which:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
fig. 3 is an exploded view of an embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 3, a connection structure of an endoscope tip and a snake bone comprises a snake bone 1 and an endoscope tip connection part 2, wherein the snake bone 1 is composed of a plurality of bendable pipe joints, the aperture of a tail end pipe joint 3 of the snake bone is larger than that of other pipe joints, a plurality of openings 4 are formed in the circumferential surface of the tail end pipe joint 3 of the snake bone 1, and the endoscope tip connection part 2 is inserted into the tail end pipe joint 3 and fixed at the openings 4 through welding.
The number of the openings 4 is four, the openings 4 are uniformly distributed along the circumferential surface of the tail end pipe joint 3, the openings 4 are rectangular, and the aperture of the tail end pipe joint 3 of the snake bone 1 is larger than that of other pipe joints by one unit wall thickness.
When the connection structure of the endoscope tip and the snake bone is manufactured, the following steps are adopted:
step 1, reaming: the aperture of the tail end tube section of the snake bone is enlarged.
Step 2, opening: and opening the circumferential surface of the reamed snake bone tail end pipe joint.
Step 3, installation: the connecting part of the tip end of the endoscope is inserted into the section hole of the end tube of the reamed snake bone.
Step 4, welding: and welding and fixing the connecting part of the tip end of the endoscope and the pipe joint at the tail end of the snake bone at the opening.
In step 1, the inner aperture and the outer aperture of the snake bone end pipe section 3 are reamed by a sheet metal reaming process, so that the reamed diameter is larger than the diameter of the prior snake bone end pipe section by one unit wall thickness, and the length of one unit wall thickness is 0.15mm in the embodiment. In the step 2, a plurality of openings 4 are formed in the circumferential surface of the pipe section 3 at the tail end of the snake bone in a laser cutting or linear cutting mode, the openings 4 are rectangular, the width of each opening is 1.5mm, the length of each opening is 2.5mm, CNC or milling machine machining is avoided, and deformation caused by overlarge machining stress is avoided. In the step 3, the outer diameter of the connection part 2 of the tip of the endoscope is processed, so that the outer diameter of the connection part is smaller than the aperture of the pipe section 3 of the tail end of the snake bone by 0.05mm, the connection part 2 of the tip of the endoscope is not easy to install, the outer diameter of the connection part 2 of the tip of the endoscope is too large, the installation dislocation is easily caused by too small outer diameter, and in the step 4, the connection part 2 of the tip of the endoscope and the pipe section 3 of the tail end of the snake bone are welded and fixed at the opening 4 in a laser welding or soldering mode.
According to the connection process, the last section of the snake bone 1 is improved, the connection between the tip and the snake bone is realized on the premise that the length of the connection position is not increased and the overall outer diameter of the snake bone is not increased, the flexibility of the snake bone is not reduced, and meanwhile, the snake bone and the tip are firmly connected and cannot fall off due to the adoption of welding connection. Meanwhile, the connecting structure manufactured by adopting the connecting process has the advantages of simple structure, strong flexibility and firm connection.
The present invention is not limited to the above embodiments, but is intended to be within the scope of the present invention as long as the technical effects of the present invention can be achieved by any same or similar means.
Claims (9)
1. The connection process of the tip of the endoscope and the snake bone is characterized by comprising the following steps:
step 1, reaming: expanding the aperture of the tail end pipe joint of the snake bone;
step 2, opening: opening the circumferential surface of the reamed snake bone tail end pipe joint;
step 3, installation: inserting the connecting part of the tip end of the endoscope into the reamed snake bone tail end pipe joint hole;
step 4, welding: and welding and fixing the connecting part of the tip end of the endoscope and the pipe joint at the tail end of the snake bone at the opening.
2. The process for connecting an endoscope tip to a snake bone according to claim 1, wherein in the step 1, the inner and outer diameters of the end tube sections of the snake bone are reamed by a sheet metal reaming process so that the reamed diameter is larger than the previous diameter by one unit wall thickness.
3. The process for connecting an endoscope tip to a snake bone according to claim 1, wherein in the step 2, a plurality of openings are formed in the circumferential surface of the section of the end tube of the snake bone in a circumferential direction by means of laser cutting or wire cutting.
4. The process for connecting an endoscope tip to a snake bone according to claim 1, wherein in the step 3, the outer diameter of the tip connecting portion is processed to be smaller than the diameter of a pipe section at the tail end of the snake bone by 0.05mm.
5. A process for connecting an endoscope tip to a snake bone according to claim 3, wherein the opening is rectangular and has a width of 1.5mm and a length of 2.5mm.
6. The process for connecting an endoscope tip to a snake bone according to claim 1, wherein in the step 4, a laser welding or soldering method is adopted to fix the connecting portion of the endoscope tip to the pipe section of the tail end of the snake bone at the opening.
7. The connection structure of the endoscope tip and the snake bone formed by the process according to claim 1 comprises the snake bone and the connection part of the endoscope tip, wherein the snake bone consists of a plurality of bendable pipe joints, the aperture of the tail end pipe joint of the snake bone is larger than that of other pipe joints, a plurality of openings are formed in the circumferential surface of the tail end pipe joint of the snake bone, the connection part of the endoscope tip is inserted into the tail end pipe joint, and the connection part of the endoscope tip and the connection part of the snake bone are fixed at the openings through welding.
8. The connection structure of an endoscope tip and a snake bone according to claim 7, wherein the number of the openings is four, and the openings are uniformly distributed along the circumferential direction of the section of the tail end tube.
9. A connection structure of an endoscope tip and a snake bone according to claim 7 or 8, wherein the opening is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810264170.9A CN108433692B (en) | 2018-03-28 | 2018-03-28 | Connection technology and connection structure of endoscope tip and snake bone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810264170.9A CN108433692B (en) | 2018-03-28 | 2018-03-28 | Connection technology and connection structure of endoscope tip and snake bone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108433692A CN108433692A (en) | 2018-08-24 |
| CN108433692B true CN108433692B (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810264170.9A Active CN108433692B (en) | 2018-03-28 | 2018-03-28 | Connection technology and connection structure of endoscope tip and snake bone |
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| Country | Link |
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| CN (1) | CN108433692B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110367911B (en) * | 2019-06-18 | 2021-07-09 | 珠海视新医用科技有限公司 | Snake bone and preparation method thereof |
| CN115153387A (en) * | 2022-08-05 | 2022-10-11 | 杰泰医疗(深圳)有限公司 | Disposable medical endoscope with reasonable internal arrangement |
Citations (8)
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|---|---|---|---|---|
| JP2004329857A (en) * | 2003-03-13 | 2004-11-25 | Olympus Corp | Flexible tube for endoscope and its manufacturing method |
| WO2012090461A1 (en) * | 2010-12-28 | 2012-07-05 | ダイキン工業株式会社 | Joint structure for metallic pipes |
| CN102772193A (en) * | 2012-06-27 | 2012-11-14 | 杭州好克光电仪器有限公司 | Flexible electron mirror |
| CN102835944A (en) * | 2012-09-18 | 2012-12-26 | 深圳市开立科技有限公司 | Connecting structure for inserting hose and bending part, endoscope and processing methods of connecting structure and endoscope |
| CN103260498A (en) * | 2011-09-05 | 2013-08-21 | 奥林巴斯医疗株式会社 | Endoscope |
| CN104349704A (en) * | 2013-03-05 | 2015-02-11 | 奥林巴斯医疗株式会社 | Endoscope |
| CN204293108U (en) * | 2014-11-20 | 2015-04-29 | 珠海迈德豪医用科技有限公司 | A kind of pipe joint of endoscope |
| GB201520464D0 (en) * | 2014-09-29 | 2016-01-06 | Dong Tao | No Title |
-
2018
- 2018-03-28 CN CN201810264170.9A patent/CN108433692B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004329857A (en) * | 2003-03-13 | 2004-11-25 | Olympus Corp | Flexible tube for endoscope and its manufacturing method |
| WO2012090461A1 (en) * | 2010-12-28 | 2012-07-05 | ダイキン工業株式会社 | Joint structure for metallic pipes |
| CN103260498A (en) * | 2011-09-05 | 2013-08-21 | 奥林巴斯医疗株式会社 | Endoscope |
| CN102772193A (en) * | 2012-06-27 | 2012-11-14 | 杭州好克光电仪器有限公司 | Flexible electron mirror |
| CN102835944A (en) * | 2012-09-18 | 2012-12-26 | 深圳市开立科技有限公司 | Connecting structure for inserting hose and bending part, endoscope and processing methods of connecting structure and endoscope |
| CN104349704A (en) * | 2013-03-05 | 2015-02-11 | 奥林巴斯医疗株式会社 | Endoscope |
| GB201520464D0 (en) * | 2014-09-29 | 2016-01-06 | Dong Tao | No Title |
| CN204293108U (en) * | 2014-11-20 | 2015-04-29 | 珠海迈德豪医用科技有限公司 | A kind of pipe joint of endoscope |
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| Publication number | Publication date |
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| CN108433692A (en) | 2018-08-24 |
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