CN109316157A - A kind of two-way snake bone and endoscope of unilateral driving - Google Patents
A kind of two-way snake bone and endoscope of unilateral driving Download PDFInfo
- Publication number
- CN109316157A CN109316157A CN201811184624.8A CN201811184624A CN109316157A CN 109316157 A CN109316157 A CN 109316157A CN 201811184624 A CN201811184624 A CN 201811184624A CN 109316157 A CN109316157 A CN 109316157A
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- snake bone
- optical member
- way
- main body
- elastic supporting
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Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 89
- 241000270295 Serpentes Species 0.000 title claims abstract description 86
- 230000003287 optical effect Effects 0.000 claims abstract description 50
- 238000005452 bending Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims description 14
- 239000007769 metal material Substances 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 241001442589 Convoluta Species 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011846 endoscopic investigation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 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
- 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
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00128—Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (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)
- Mechanical Engineering (AREA)
- Endoscopes (AREA)
Abstract
The present invention relates to a kind of two-way snake bone of unilateral driving, including snake bone main body, the snake bone main body includes elastic supporting member for supporting optical member and multiple joints, and the elastic supporting member for supporting optical member forms arc to curving, and multiple joints are sequentially arranged in the extrados of the elastic supporting member for supporting optical member;Tractive unit, the tractive unit run through the snake bone main body, and the opposite direction for drawing the snake bone main body towards the elastic supporting member for supporting optical member bending direction carries out bending motion.The invention further relates to a kind of endoscope, the endoscope includes the two-way snake bone.Implement of the invention a kind of two-way snake bone and endoscope, the diameter of two-way snake bone and curved part of endoscope can be effectively reduced.
Description
Technical field
The present invention relates to endoscopic technique field, in particular to a kind of two-way snake bone of unilateral driving.
Background technique
Endoscope is the common medical instrument of modern medicine comprising, can for being inserted directly into the insertion section of inside of human body
Random curved bending section, and the control end for manual control operation handle, wherein bending section is internally provided with snake
Bone, the bending of snake bone can be realized by controlling end by manual operation, and then realize the bending of bending section.
The endoscope of smaller diameter and bending radius is had increasing need in the diagnosis and treatment process of modern medicine, namely is needed more
The snake bone of minor diameter and bending radius, and existing two-way snake bone be arranged generally inside snake bone the wirerope of two tractions with
And two column place wirerope traction channel, by control end drawing connect with snake bone two wirerope realization two, snake bone
The bending in direction, but this necessarily to will cause snake bone inner space crowded narrow, be unfavorable for the reduction of snake bone diameter, while also unfavorable
In the arrangement work of the pipelines such as snake bone internal cable line, light beam, water air pipe and pincers deferent.
Summary of the invention
In view of the above problems in the prior art, the purpose of the present invention is to provide a kind of two-way snake bone of unilateral driving, lead to
Crossing a piece draught line of setting can be realized the compound bending of snake bone, can reduce the diameter of snake bone, thus in farthest reducing
The diameter of sight glass bending section.
First aspect present invention provides a kind of two-way snake bone of unilateral driving, including snake bone main body, the snake bone main body packet
Elastic supporting member for supporting optical member and multiple joints are included, the elastic supporting member for supporting optical member forms arc to curving, and multiple joints are sequentially arranged in
The extrados of the elastic supporting member for supporting optical member;Tractive unit, the tractive unit runs through the snake bone main body, for drawing the snake bone main body
Bending motion is carried out towards the opposite direction of the elastic supporting member for supporting optical member bending direction.
Further, the elastic supporting member for supporting optical member is made by the thermally treated technique of elastic metallic material.
Further, the elastic metallic material is stainless steel material or titanium alloy metal material.
Further, the tractive unit includes: traction channel, and there are multiple, multiple traction channels in the traction channel
It is sequentially arranged at the inner surface of the multiple joints opposite with the elastic supporting member for supporting optical member;Draught line, the draught line are located at described
It draws in channel, the front end of the snake bone main body is fixed in the traction line front end, and the snake is extended in the traction line back end
The rear end of bone main body.
Further, multiple joints are equidistantly set to the extrados of the elastic supporting member for supporting optical member.
Further, the joint is the cyclic structure of asymmetrical design, the bone for the side that is connected with the elastic supporting member for supporting optical member
Byte wide is greater than the joint width with the elastic supporting member for supporting optical member opposite side.
Optionally, each joint is spiral shape, and multiple spiral joints are at the elastic supporting member for supporting optical member
It is end to end.
Further, the joint and the elastic supporting member for supporting optical member are integrally formed.
The present invention also provides a kind of endoscopes, including a kind of two-way snake bone of unilateral driving described in any of the above embodiments.
Due to above-mentioned technical proposal, the invention has the following beneficial effects:
Two-way snake bone of the invention can be realized compound bending by a draught line, reduce the diameter of two-way snake bone,
Facilitate the winding displacement work inside two-way snake bone.
Endoscope of the invention, the two-way snake bone configured with above-mentioned unilateral driving, it is curved can farthest to reduce endoscope
The diameter of pars convoluta.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, it is right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is structure when a kind of unilateral two-way snake bone driven that the embodiment of the present invention one provides is in non-stress
Schematic diagram;
Fig. 2 is another when a kind of two-way snake bone for unilateral driving that the embodiment of the present invention one provides is in non-stress
The structural schematic diagram of angle;
Fig. 3 is knot when a kind of unilateral two-way snake bone driven that the embodiment of the present invention one provides is in smaller stress
Structure schematic diagram;
Fig. 4 is knot when a kind of unilateral two-way snake bone driven that the embodiment of the present invention one provides is in larger stress
Structure schematic diagram.
In attached drawing:
1- elastic supporting member for supporting optical member 2- joint 3- draws channel
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that term " first ", " second " etc. in description and claims of this specification and attached drawing
It is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that the number used in this way
According to being interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein can be in addition to illustrating herein or describing
Those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, it is intended that covering is not
Exclusive includes.
Embodiment one
Referring to attached drawing 1 and attached drawing 2, for a kind of two-way snake bone for unilateral driving that the embodiment of the present invention one provides, including snake
Bone main body and tractive unit, the snake bone main body include elastic supporting member for supporting optical member 1 and multiple joints 2, and the elastic supporting member for supporting optical member 1 is to a lateral bending
Curved camber, multiple joints 2 are sequentially arranged in the extrados of the elastic supporting member for supporting optical member 1, and the tractive unit runs through the snake
Bone main body, the opposite direction for drawing the snake bone main body towards 1 bending direction of elastic supporting member for supporting optical member carry out bending motion.
In some possible embodiments, the elastic supporting member for supporting optical member 1 is by elastic metallic material such as stainless steel material or titanium
Alloy metal material composition, the elastic metallic material pass through tool holder first and are fixed into arc to certain curving, then
Permanent bend camber and the elastic supporting member for supporting optical member 1 with certain screen resilience are made after thermally treated process.
In some possible embodiments, the joint 2 is integrally formed with the elastic supporting member for supporting optical member 1, for example, the bone
Section 2 is integrally formed with the elastic supporting member for supporting optical member 1 by Shooting Technique, then obtains joint 2 by heat treatment process and elasticity is propped up
The integrally formed snake bone main body of support member 1, spacing is equal between joint 2 described in every two, and multiple joints 2 are not right
Claim the cyclic structure of design, 2 width of joint for the side that is connected with the elastic supporting member for supporting optical member 1 is greater than and 1 phase of elastic supporting member for supporting optical member
To 2 width of joint of side, for guaranteeing that the snake bone main body can be towards the phase of the bending direction of elastic supporting member for supporting optical member 1 itself
Opposite direction carries out maximum bending motion.
In some possible embodiments, the tractive unit includes drawing channel 3 and draught line (not shown), described to lead
Drawing channel 3 has multiple, respectively corresponds multiple joints 2 and is arranged one by one, multiple traction channels 3 are sequentially arranged at and the bullet
The inner surface of the property opposite multiple joints 2 of supporting element 1.The traction channel 3 passes through Shooting Technique with the snake bone main body
It is integrally formed, optionally, the traction channel 3 can also be successively set on the multiple bones opposite with the elastic supporting member for supporting optical member 1
The inside of section 2, i.e., the described traction channel 3 is the column through-hole being arranged in inside multiple joints 2.The draught line is located at every
In a traction channel 3, the front end of the snake bone main body is fixed in the traction line front end, and the traction line back end is extended
The traction channel 3 of the snake bone body rear, for draw the snake bone towards bending direction itself opposite direction into
Row bending motion, it is preferable that the draught line is wirerope.
Accordingly, as shown in Figure 1 and Figure 2, in the case where not pulling draught line, the two-way snake bone is to curving
Arc is formed, when pulling draught line with certain force, the two-way snake bone is bent to the opposite direction of bending direction itself, such as attached drawing
Shown in 3, apply a suitable power, the two-way snake bone supports common in the drawing of draught line and two-way snake bone screen resilience itself
Effect is lower to be in upright state, as shown in Fig. 4, when further pulling the draught line, due between the multiple joint 2
The asymmetrical design of gap and joint 2, the two-way snake influential point of bone are further bent to the opposite direction of bending direction itself, directly
Closely to the relatively narrow side of multiple joints 2, at this point, reaching two-way snake bone in the maximum flexion of the direction.
When the two-way snake bone needs to carry out bending motion to itself bending direction, it is only necessary to gradually unclamp traction
Line, the two-way snake bone gradually can carry out bending motion to itself bending direction under the action of screen resilience itself, specifically
Process and the process of drawing draught line are on the contrary, details are not described herein again.
Embodiment two
Second embodiment of the present invention provides the two-way snake bone of another unilateral driving, including snake bone main body and tractive unit, institutes
Stating snake bone main body includes elastic supporting member for supporting optical member and multiple joints, and the elastic supporting member for supporting optical member forms arc to curving, multiple described
Joint is sequentially arranged in the extrados of the elastic supporting member for supporting optical member, and the tractive unit runs through the snake bone main body, for drawing the snake
The opposite direction of bone main body towards the elastic supporting member for supporting optical member bending direction carries out bending motion.
In some possible embodiments, the elastic supporting member for supporting optical member is closed by elastic metallic material such as stainless steel material or titanium
Golden metal material composition, the elastic metallic material pass through tool holder first and are fixed into arc to certain curving, then pass through
Permanent bend camber and the elastic supporting member for supporting optical member with certain screen resilience are made after heat treatment process processing.
In some possible embodiments, the joint and the elastic supporting member for supporting optical member are integrally formed, for example, the joint
It is integrally formed with the elastic supporting member for supporting optical member by Shooting Technique, joint and elastic supporting member for supporting optical member one is then obtained by heat treatment process
The body formed snake bone main body, the spacing between joint described in every two is equal, and each joint is spiral shape, multiple
The spiral joint is end to end at the elastic supporting member for supporting optical member, forms the structure for being similar to helix tube.
In some possible embodiments, the tractive unit includes that traction channel and draught line, the traction channel have
It is multiple, it respectively corresponds multiple joints and is arranged one by one, multiple traction channels are sequentially arranged at and the elastic supporting member for supporting optical member phase
Pair multiple joints inner surface.The traction channel and the snake bone main body are integrally formed by Shooting Technique, optional
, the traction channel can also be successively set on the inside of the multiple joints opposite with the elastic supporting member for supporting optical member, i.e., described
Drawing channel is the column through-hole being arranged in inside multiple joints.The draught line is located in each traction channel,
The front end of the snake bone main body is fixed in the traction line front end, and the snake bone body rear is extended in the traction line back end
The traction channel, the opposite direction for drawing the snake bone towards bending direction itself carry out bending motion, it is preferable that institute
Stating draught line is wirerope.
Two-way snake bone described in the present embodiment, operating method is similar with embodiment one, and details are not described herein again.
Embodiment three
The embodiment of the present invention three provides a kind of endoscope, and the endoscope includes bending section and controls end, described curved
The two-way snake bone provided inside pars convoluta configured with embodiment one or embodiment two, the draught line are connected with the control end,
It, specifically can be with when the compound bending of the bending section can be realized by control end drawing and the release draught line
Refering to the description of above-described embodiment, details are not described herein again.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of two-way snake bone of unilateral driving characterized by comprising
Snake bone main body, the snake bone main body include elastic supporting member for supporting optical member (1) and multiple joints (2), and the elastic supporting member for supporting optical member (1) is to one
Lateral bend forms arc, and multiple joints (2) are sequentially arranged in the extrados of the elastic supporting member for supporting optical member (1);
Tractive unit, the tractive unit runs through the snake bone main body, for drawing the snake bone main body towards the elastic supporting member for supporting optical member
(1) opposite direction of bending direction carries out bending motion.
2. a kind of two-way snake bone of unilateral driving according to claim 1, which is characterized in that the elastic supporting member for supporting optical member (1)
It is made by the thermally treated technique of elastic metallic material.
3. a kind of two-way snake bone of unilateral driving according to claim 2, which is characterized in that the elastic metallic material is
Stainless steel material or titanium alloy metal material.
4. a kind of two-way snake bone of unilateral driving according to claim 1, which is characterized in that the tractive unit includes:
It draws channel (3), the traction channel (3) has multiple, and multiple traction channels (3) are sequentially arranged at and the elastic branch
The inner surface of the opposite multiple joints (2) of support member (1);
Draught line, the draught line are located in the traction channel (3), and the snake bone main body is fixed in the traction line front end
The rear end of the snake bone main body is extended in front end, the traction line back end.
5. a kind of two-way snake bone of unilateral driving according to claim 1, which is characterized in that multiple described joints (2) etc.
Spacing is set to the extrados of the elastic supporting member for supporting optical member (1).
6. a kind of two-way snake bone of unilateral driving according to claim 1, which is characterized in that the joint (2) is not right
Claim the cyclic structure of design, joint (2) width for the side that is connected with the elastic supporting member for supporting optical member (1) is greater than and the elastic supporting member for supporting optical member
(1) joint (2) width of opposite side.
7. a kind of two-way snake bone of unilateral driving according to claim 1, which is characterized in that each joint is spiral shell
Shape is revolved, multiple spiral joints are end to end at the elastic supporting member for supporting optical member.
8. a kind of two-way snake bone of unilateral driving according to claim 1, which is characterized in that the joint (2) with it is described
Elastic supporting member for supporting optical member (1) is integrally formed.
9. a kind of endoscope, which is characterized in that including a kind of described in any item two-way snakes of unilateral driving of such as claim 1-8
Bone.
Priority Applications (1)
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CN201811184624.8A CN109316157A (en) | 2018-10-11 | 2018-10-11 | A kind of two-way snake bone and endoscope of unilateral driving |
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CN201811184624.8A CN109316157A (en) | 2018-10-11 | 2018-10-11 | A kind of two-way snake bone and endoscope of unilateral driving |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110811490A (en) * | 2019-11-19 | 2020-02-21 | 武汉佑康科技有限公司 | Directional elastic deflection structure of flexible catheter of endoscope |
CN111714068A (en) * | 2020-07-24 | 2020-09-29 | 湖南省华芯医疗器械有限公司 | Snake bone assembly capable of preventing radial falling and endoscope |
CN113827169A (en) * | 2021-09-23 | 2021-12-24 | 湖南省华芯医疗器械有限公司 | Snake bone unit, snake bone assembly, insertion part, endoscope and connecting method |
CN115153391A (en) * | 2022-07-13 | 2022-10-11 | 广州奥立医疗设备有限公司 | Snake bone with integrated active reduction function |
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CN206295342U (en) * | 2016-08-26 | 2017-07-04 | 谢超 | Sight glass disposable plastic split snake bone |
CN206729858U (en) * | 2016-12-09 | 2017-12-12 | 深圳市先赞科技有限公司 | Double-screw type bending tubular construction on endoscope |
CN210408351U (en) * | 2018-10-11 | 2020-04-28 | 苏州中科先进技术研究院有限公司 | Unilateral-driven bidirectional snake bone and endoscope |
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JP2004298446A (en) * | 2003-03-31 | 2004-10-28 | Fuji Photo Optical Co Ltd | Endoscope |
WO2008060075A1 (en) * | 2006-11-13 | 2008-05-22 | Acts Vision Co., Ltd | The combined curve-hole for endoscope |
CN201894627U (en) * | 2010-10-26 | 2011-07-13 | 合肥华信电动科技发展有限公司 | Snake-bone structure capable of freely rotating |
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CN206295342U (en) * | 2016-08-26 | 2017-07-04 | 谢超 | Sight glass disposable plastic split snake bone |
CN206729858U (en) * | 2016-12-09 | 2017-12-12 | 深圳市先赞科技有限公司 | Double-screw type bending tubular construction on endoscope |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110811490A (en) * | 2019-11-19 | 2020-02-21 | 武汉佑康科技有限公司 | Directional elastic deflection structure of flexible catheter of endoscope |
CN110811490B (en) * | 2019-11-19 | 2022-03-15 | 武汉佑康科技有限公司 | Directional elastic deflection structure of flexible catheter of endoscope |
CN111714068A (en) * | 2020-07-24 | 2020-09-29 | 湖南省华芯医疗器械有限公司 | Snake bone assembly capable of preventing radial falling and endoscope |
CN113827169A (en) * | 2021-09-23 | 2021-12-24 | 湖南省华芯医疗器械有限公司 | Snake bone unit, snake bone assembly, insertion part, endoscope and connecting method |
CN113827169B (en) * | 2021-09-23 | 2022-08-02 | 湖南省华芯医疗器械有限公司 | Snake bone unit, snake bone assembly, insertion part, endoscope and connecting method |
WO2023045123A1 (en) * | 2021-09-23 | 2023-03-30 | 湖南省华芯医疗器械有限公司 | Serpentine unit, serpentine assembly, insertion portion, endoscope, and connection method |
CN115153391A (en) * | 2022-07-13 | 2022-10-11 | 广州奥立医疗设备有限公司 | Snake bone with integrated active reduction function |
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