CN110507275A - Snake bone and endoscope is adjusted in a kind of universal joint - Google Patents
Snake bone and endoscope is adjusted in a kind of universal joint Download PDFInfo
- Publication number
- CN110507275A CN110507275A CN201910883975.6A CN201910883975A CN110507275A CN 110507275 A CN110507275 A CN 110507275A CN 201910883975 A CN201910883975 A CN 201910883975A CN 110507275 A CN110507275 A CN 110507275A
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- joint
- snake bone
- adjusted
- threading hole
- flange
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- 241000270295 Serpentes Species 0.000 title claims abstract description 49
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 48
- 238000009827 uniform distribution Methods 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000002627 tracheal intubation Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000009916 joint effect Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
-
- 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
-
- 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
- A61B1/0057—Constructional details of force transmission elements, e.g. control wires
-
- 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
- A61B1/008—Articulations
Abstract
Snake bone is adjusted the invention discloses a kind of universal joint and endoscope, snake bone include multiple sequentially connected hollow shape joints；It is connected with each other between adjacent joint using spherical universal section structure.It is preferred that being additionally provided with compressed spring between the adjacent joint, compressed spring is for being axially away from one another adjacent joint；Flange is formed on joint；The first threading hole there are four circumference uniform distribution is set on flange；The inner hole of compressed spring constitutes the second threading hole, and compressed spring both ends are connected on two flanges of adjacent joint；First threading hole and the second threading hole are for wearing angular adjustment controlling cable；Flange two sides all have the bulge loop of extension；One orifice part in two bulge loops has the space for the distal end for receiving another.Endoscope has aforementioned snake bone.The invention has the advantages that snake bone structure is compact, deformation adjustment is convenient, long service life.Endoscope has the characteristics that aforementioned snake bone, and it is handling it is good, attitude stability is good.
Description
Technical field
The present invention relates to fujinon electronic video endoscope correlative technology field, snake bone and endoscope is adjusted in especially a kind of universal joint.
Background technique
Snake bone is widely used in electronic endoscope system, and the movement mechanism of head end angular adjustment is carried out.Its structure is multiple
Miscellaneous, dimension precision requirement is high, and manufacture is difficult.Existing snake bone is mostly sheet metal structural sub-assembly, and external force resistance performance is poor, adjacent joint it
Between it is usually hinged by the articulated shaft perpendicular to axis, can be only formed the bending around articulated shaft rotation between adjacent joint, it is real
When the angular adjustment of existing any direction, at least need three joint cooperations that could complete.Existing articulated shaft connection type, causes
Snake bone overall length dimension is big, and is easy to cause to damage to external rubber guard member, and state return needs to pass through handwheel after work
Interior reset spring or structure control are realized, cause handwheel internal structure complicated.For this reason, it may be necessary to be further improved.
Summary of the invention
First purpose of the invention is poor aiming at existing snake fracture external force performance, and is easy to external rubber guard member
The deficiency for causing damage provides a kind of adjustable snake bone of universal joint, and the adjustable snake bone is by using spherical shape between adjacent joint
Gimbal structure is connected with each other, and improves structural stability and intensity, to improve external force resistance characteristic, and utilizes the side of spherical hinge structure
To flexible adjustment, joint quantity is reduced, the injury to rubber protection component is reduced, then extends whole service life.This hair
The second bright purpose is to provide a kind of endoscope with aforementioned snake bone.
To realize the first purpose, the present invention adopts the following technical scheme:
A kind of adjustable snake bone of universal joint, including multiple sequentially connected hollow shape joints；Ball is used between adjacent joint
Shape gimbal structure is connected with each other.
Using the present invention of preceding solution, spherical universal section structure is used between the adjacent joint due to constituting snake bone
It is connected with each other.Using the structural stability and high-strength characteristic of spherical structure, the external force resistance performance of snake bone is improved；Meanwhile ball
Shape universal joint has universal adjustment characteristic, limits to the angular adjustment between adjacent joint no longer in a plane, is needing
When carrying out the angular adjustment of any direction, is achieved that, can effectively be subtracted by a spherical hinge structure between two adjacent joints
Joint quantity needed for few accordingly reduces inflection point to improve the flexibility of joint adjusting, to reduce to external rubber guard member
Injury, so as to by extend the guard member service life, extend snake bone whole service life.
Preferably, elastic component is additionally provided between the adjacent joint, elastic component is for making adjacent joint along axial phase
It is mutually separate.With in the case where snake bone free state total length, that is, front-end and back-end distance determines, making can between adjacent joint
The preload for forming setting dynamics, so that the rigidity of setting state is kept, to effectively improve the controllability of deformation state.
It is further preferred that being formed with flange on the joint, and sets on flange there are four circumference uniform distribution and be used to wear
If the first threading hole of angular adjustment cable；The elastic component is equipped with the second threading for wearing angular adjustment cable
Hole, elastic component both ends are connected on two flange forward surfaces of adjacent joint.It is arranged using the relatively small flange of axial dimension
Angular adjustment cable perforating can meet and wear hole site setting needs, more conducively mitigation snake bone overall weight, be conducive to light weight
Change design requirement.
Still more preferably, the flange two sides all have the bulge loop of extension；One orifice part in two bulge loops
Space with the distal end for receiving another.To be capable of forming the state successively contained end between the joint of snake bone,
Effectively to avoid the injury to external rubber guard member.
Still more preferably, the joint is made of front end joint, rear end joint and multiple medial condyles；Wherein, preceding
One end of end joint forms the centre of sphere and is located at convex spherical or concave spherical surface on the joint axis of front end；It is formed and front end bone on the joint of rear end
The convex spherical or concave spherical surface of section correspond to concave spherical surface or convex spherical, and the centre of sphere of concave spherical surface or convex spherical is located at rear end joint axis
On；One end of medial condyle is formed with concave spherical surface, and the other end is formed with convex spherical, the concave spherical surface and convex spherical in medial condyle
The centre of sphere is respectively positioned on the axial line of medial condyle；All concave spherical surfaces or convex spherical radius are equal.To constitute complete snake bone
Component, it is ensured that when being used for endoscope, have good handling.
Still further preferably, front end joint front end is fixedly connected with camera lens connecting elements；The rear end joint tail
End is fixedly connected with intubation；Rubber sleeve is equipped between intubation and camera lens connecting elements, rubber sleeve is wrapped in all joint peripheries；Institute
It states front end joint and is equipped with four angular adjustment cables, angular adjustment cable front end and front end joint by four the first threading holes
Fixed, tail end is successively staggeredly worn after multiple elastic components and multiple medial condyles, then by the first threading hole of rear end joint
Control terminal is constituted out.To form endoscope structure, and angular adjustment control is carried out by angular adjustment cable cable, is set in pulling
One end of alignment cable makes, preferably corresponding locking another cable for being separated by 180 ° of arrangements, to ensure that adjustment speed is fast, controlled attitude
It is functional.
Still more preferably, the elastic component is made of cylindroid helical-coil compression spring, cylindroid helical-coil compression spring
Hollow portion constitutes second threading hole；The elastic component there are four being set between the adjacent joint, and first threading
The aperture in hole is formed with counterbore；The spring member ends are connected to the counterbore bottom hole.With radial using cylindrically coiled spring
The small characteristic of structure size, it is ensured that small size snake bone is formed, to meet the requirement that endoscope sectional dimension minimizes.Its
In, elastic component can also be made bushing by elastomeric material and constitute, alternatively, at least one is made by elastomeric material in elastic component
Washer is constituted or multiple washer Coaxial Superimposeds are formed.
Still more preferably, the elastic component is made of the elastic ring pad that internal diameter is greater than joint spherical surface.By one
A elastic ring pad replaces four springs or bushing, and snake bone is facilitated to combine, and increases and decreases convenient for snake bone joint quantity, improves assembly and disassembly effect
Rate.
To realize that the second purpose, the present invention adopt the following technical scheme that.
A kind of endoscope including realizing that snake bone is adjusted in the universal joint of the first purpose, and passes through 180 ° opposite two respectively
After root angular adjustment cable free end is connected, it is correspondingly arranged adjusting handle and carries out the adjusting of snake ostealleosis.
Using the endoscope of aforementioned schemes, have aforementioned universal joint snake bone structure compact, deformation adjustment is convenient, service life
Long feature, and in use process it is easy to operate, attitude stability is good.
The invention has the advantages that snake bone structure is compact, deformation adjustment is convenient, long service life.Before endoscope has
State snake bone feature, and it is handling it is good, attitude stability is good.
Detailed description of the invention
Fig. 1 is the partial structure diagram of snake bone photo neighbour joint of the invention in the raw.
Fig. 2 is the partial structure diagram that snake bone photo neighbour's joint of the invention is in angular adjustment state.
Fig. 3 is the portion the A amplification in Fig. 1 of the present invention.
Fig. 4 is the direction controlling relation schematic diagram of 4 angular adjustment cables in snake bone joint of the invention.
Fig. 5 is three kinds of status diagrams in snake bone of the invention after multiple joints concatenations, wherein A is oneself of linear
Right state, B and C are the state for adjusting two opposite directions that angle is 90 °.
Fig. 6 is the structural schematic diagram of snake bone of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings, but does not therefore limit the present invention to the embodiment described
Among range.
Embodiment 1, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of universal joint is adjusted snake bone, including it is multiple according to
The hollow shape joint of secondary connection；It is connected with each other between adjacent joint using spherical universal section structure；Between the adjacent joint also
Equipped with elastic component 2, elastic component 2 is for being axially away from one another adjacent joint.
It is formed with flange on the joint, and sets on flange there are four circumference uniform distribution and is used to wear angular adjustment cable
The first threading hole；The elastic component 2 is equipped with the second threading hole for wearing angular adjustment cable, and 2 liang of elastic component
End is connected on two flange forward surfaces of adjacent joint.As shown in figure 3, flange two sides all have the bulge loop of extension；Two bulge loops
In one orifice part have receive another distal end space.
Wherein, joint is made of front end joint 1, rear end joint 5 and multiple medial condyles 3；Wherein, the one of front end joint 1
End forms convex spherical or concave spherical surface that the centre of sphere is located on 1 axis of front end joint；It is formed on rear end joint 5 convex with front end joint 1
Spherical surface or concave spherical surface correspond to concave spherical surface or convex spherical, and the centre of sphere of concave spherical surface or convex spherical is located on 5 axis of rear end joint；It is intermediate
One end of joint 3 is formed with concave spherical surface, and the other end is formed with convex spherical, the centre of sphere of concave spherical surface and convex spherical in medial condyle 3
It is respectively positioned on the axial line of medial condyle 3；All concave spherical surfaces or convex spherical radius are equal.1 front end of front end joint is solid
Surely it is connected with camera lens connecting elements 6；5 tail end of rear end joint is fixedly connected with intubation 8；Intubation 8 with camera lens connecting elements 6 it
Between be equipped with rubber sleeve 7, rubber sleeve 7 is wrapped in all joint peripheries；The front end joint 1 is equipped with by four the first threading holes
Four angular adjustment cables 4,4 front end of angular adjustment cable and front end joint 1 are fixed, and tail end is successively staggeredly across multiple elastic structures
After part 2 and multiple medial condyles 3, then it is pierced by by the first threading hole of rear end joint 5 and constitutes control terminal.
The elastic component 2 is made of cylindroid helical-coil compression spring, described in the hollow portion composition of cylindroid helical-coil compression spring
Second threading hole；The elastic component 2 there are four being set between the adjacent joint, and the aperture of first threading hole is formed with
Counterbore；2 end abutment of elastic component is in the counterbore bottom hole.
In the present embodiment, elastic component 2 can also be made bushing by elastomeric material and constitute, alternatively, elastic component 2 is by elasticity
At least one washer made of body material or multiple washer Coaxial Superimposeds are formed；The inner hole of bushing or washer constitutes the second threading
Hole.
In the present embodiment, elastic component 2 can also be made of the elastic ring pad that internal diameter is greater than joint spherical surface, each elastic ring
Four the second threading holes of circle distribution on shape pad, to substitute four springs or bushing by an elastic ring pad.
Embodiment 2, referring to Fig. 6, snake bone is adjusted in a kind of endoscope, the universal joint including embodiment 1, and passes through respectively
After 180 ° of 4 free ends of opposite two piece angular adjustment cable are connected, it is correspondingly arranged adjusting handle and carries out the adjusting of snake ostealleosis.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. snake bone, including multiple sequentially connected hollow shape joints is adjusted in a kind of universal joint；It is characterized in that, the adjacent bone
It is connected with each other between section using spherical universal section structure.
2. snake bone is adjusted in universal joint according to claim 1, which is characterized in that be additionally provided with bullet between the adjacent joint
Property component (2), elastic component (2) is for being axially away from one another adjacent joint.
3. snake bone is adjusted in universal joint according to claim 2, which is characterized in that flange is formed on the joint, and
Circumference uniform distribution and the first threading hole for wearing angular adjustment cable there are four being set on flange；On the elastic component (2)
Equipped with the second threading hole for wearing angular adjustment cable, elastic component (2) both ends are connected to two flange phases of adjacent joint
To on face.
4. snake bone is adjusted in universal joint according to claim 3, which is characterized in that the flange two sides all have extension
Bulge loop；One orifice part in two bulge loops has the space for the distal end for receiving another.
5. snake bone is adjusted in universal joint according to claim 3, which is characterized in that the joint by front end joint (1), after
Hold joint (5) and multiple medial condyles (3) composition；Wherein, one end formation centre of sphere of front end joint (1) is located at front end joint (1)
Convex spherical or concave spherical surface on axis；Recessed ball corresponding with the convex spherical of front end joint (1) or concave spherical surface is formed on rear end joint (5)
Face or convex spherical, and the centre of sphere of concave spherical surface or convex spherical is located on rear end joint (5) axis；One end of medial condyle (3) is formed
There is concave spherical surface, the other end is formed with convex spherical, and the centre of sphere of concave spherical surface and convex spherical in medial condyle (3) is respectively positioned on medial condyle
(3) on axial line；All concave spherical surfaces or convex spherical radius are equal.
6. snake bone is adjusted in universal joint according to claim 5, which is characterized in that front end joint (1) front end is fixed
It is connected with camera lens connecting elements (6)；Rear end joint (5) tail end is fixedly connected with intubation (8)；Intubation (8) is connect with camera lens
Rubber sleeve (7) are equipped between component (6), rubber sleeve (7) is wrapped in all joint peripheries；The front end joint (1) passes through four
First threading hole is equipped with four angular adjustment cables (4), and angular adjustment cable (4) front end and front end joint (1) are fixed, tail end
Successively staggeredly worn after multiple elastic components (2) and multiple medial condyles (3), then by the first threading hole of rear end joint (5)
Control terminal is constituted out.
7. snake bone is adjusted in the universal joint according to any one of claim 3~6, which is characterized in that the elasticity structure
Part (2) is made of cylindroid helical-coil compression spring, and the hollow portion of cylindroid helical-coil compression spring constitutes second threading hole；Adjacent institute
It states there are four being set between joint the elastic component (2), and the aperture of first threading hole is formed with counterbore；The elasticity structure
Part (2) end abutment is in the counterbore bottom hole.
8. snake bone is adjusted in the universal joint according to any one of claim 3~6, which is characterized in that the elasticity structure
Part (2) is made of the elastic ring pad that internal diameter is greater than joint spherical surface.
9. a kind of endoscope, which is characterized in that including snake bone is adjusted to section described in any one of claim 1~8, and divide
After not being connected by 180 ° of opposite two piece angular adjustment cable (4) free ends, it is correspondingly arranged adjusting handle and carries out the change of snake bone
Shape is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910883975.6A CN110507275B (en) | 2019-09-17 | 2019-09-17 | Universal joint adjustable snake bone and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910883975.6A CN110507275B (en) | 2019-09-17 | 2019-09-17 | Universal joint adjustable snake bone and endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110507275A true CN110507275A (en) | 2019-11-29 |
| CN110507275B CN110507275B (en) | 2024-01-19 |
Family
ID=68631337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910883975.6A Active CN110507275B (en) | 2019-09-17 | 2019-09-17 | Universal joint adjustable snake bone and endoscope |
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| Country | Link |
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| CN (1) | CN110507275B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311554A (en) * | 2021-08-02 | 2021-08-27 | 华海通信技术有限公司 | Submarine optical cable branch equipment and submarine optical cable system |
| CN114938937A (en) * | 2022-05-18 | 2022-08-26 | 湖南省华芯医疗器械有限公司 | Haulage rope pretension structure, endoscope handle and endoscope |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050131279A1 (en) * | 2003-04-01 | 2005-06-16 | Boston Scientific Scimed, Inc. | Articulation joint for video endoscope |
| JP2005253900A (en) * | 2004-03-10 | 2005-09-22 | Fujita Japan Co Ltd | Head shaking device for endoscope |
| CN2808058Y (en) * | 2004-12-31 | 2006-08-23 | 东莞市艺美达电子有限公司 | Flexion type outer image formation endoscope |
| CN101449957A (en) * | 2007-12-07 | 2009-06-10 | 奥林巴斯医疗株式会社 | Holding cable, and observation apparatus and endoscope apparatus including holding cable |
| CN202553889U (en) * | 2012-05-03 | 2012-11-28 | 上海医疗器械（集团）有限公司手术器械厂 | Lens holding bracket |
| CN103110456A (en) * | 2011-11-16 | 2013-05-22 | 柯惠Lp公司 | Surgical device with powered articulation |
| WO2015182886A1 (en) * | 2014-05-28 | 2015-12-03 | (주) 태웅메디칼 | Joint structure of endoscope |
| US20170095922A1 (en) * | 2015-10-05 | 2017-04-06 | James Michael LICHT | Medical devices having smoothly articulating multi-cluster joints |
| CN107088046A (en) * | 2017-06-12 | 2017-08-25 | 上海成运医疗器械股份有限公司 | Endoscope-use snake bone |
| CN208769736U (en) * | 2018-02-02 | 2019-04-23 | 杭州鑫泽源精密制品有限公司 | A kind of endoscope snake bone |
-
2019
- 2019-09-17 CN CN201910883975.6A patent/CN110507275B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050131279A1 (en) * | 2003-04-01 | 2005-06-16 | Boston Scientific Scimed, Inc. | Articulation joint for video endoscope |
| JP2005253900A (en) * | 2004-03-10 | 2005-09-22 | Fujita Japan Co Ltd | Head shaking device for endoscope |
| CN2808058Y (en) * | 2004-12-31 | 2006-08-23 | 东莞市艺美达电子有限公司 | Flexion type outer image formation endoscope |
| CN101449957A (en) * | 2007-12-07 | 2009-06-10 | 奥林巴斯医疗株式会社 | Holding cable, and observation apparatus and endoscope apparatus including holding cable |
| CN103110456A (en) * | 2011-11-16 | 2013-05-22 | 柯惠Lp公司 | Surgical device with powered articulation |
| CN202553889U (en) * | 2012-05-03 | 2012-11-28 | 上海医疗器械（集团）有限公司手术器械厂 | Lens holding bracket |
| WO2015182886A1 (en) * | 2014-05-28 | 2015-12-03 | (주) 태웅메디칼 | Joint structure of endoscope |
| US20170095922A1 (en) * | 2015-10-05 | 2017-04-06 | James Michael LICHT | Medical devices having smoothly articulating multi-cluster joints |
| CN108472025A (en) * | 2015-10-05 | 2018-08-31 | 弗莱克斯德克斯公司 | The medical treatment device of more cluster connectors with smooth articulation |
| CN107088046A (en) * | 2017-06-12 | 2017-08-25 | 上海成运医疗器械股份有限公司 | Endoscope-use snake bone |
| CN208769736U (en) * | 2018-02-02 | 2019-04-23 | 杭州鑫泽源精密制品有限公司 | A kind of endoscope snake bone |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311554A (en) * | 2021-08-02 | 2021-08-27 | 华海通信技术有限公司 | Submarine optical cable branch equipment and submarine optical cable system |
| CN113311554B (en) * | 2021-08-02 | 2021-11-26 | 华海通信技术有限公司 | Submarine optical cable branch equipment and submarine optical cable system |
| CN114938937A (en) * | 2022-05-18 | 2022-08-26 | 湖南省华芯医疗器械有限公司 | Haulage rope pretension structure, endoscope handle and endoscope |
| CN114938937B (en) * | 2022-05-18 | 2024-03-08 | 湖南省华芯医疗器械有限公司 | Haulage rope pretension structure, endoscope handle and endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110507275B (en) | 2024-01-19 |
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