CN111297304B - Endoscope bending angle control structure - Google Patents
Endoscope bending angle control structureInfo
- Publication number
- CN111297304B CN111297304B CN202010134072.0A CN202010134072A CN111297304B CN 111297304 B CN111297304 B CN 111297304B CN 202010134072 A CN202010134072 A CN 202010134072A CN 111297304 B CN111297304 B CN 111297304B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- angle control
- control structure
- bending angle
- endoscope bending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
本发明公开了一种内窥镜弯曲角度控制结构，包括本体，呈圆柱状，对称设置有2n个第一滑槽，n≥2，本体底部对应第一滑槽的位置均设置有与所述第一滑槽连通的通孔；轴套，滑动套接在所述本体上，所述轴套内侧设置有2n‑1个第二滑槽，每个所述第二滑槽均与一个所述第一滑槽对应设置；滑块，一一对应地滑动设置在所述第一滑槽内，所述滑块上端设置有一个向外突出所述第一滑槽的凸块，其中一个所述凸块抵接在所述轴套的端部，剩余所述凸块分别与所述第二滑槽一一对应，所述第二滑槽可容纳所述凸块且允许所述凸块滑动；钢丝，穿过所述通孔，且一端连接所述滑块；用于驱动所述滑块复位的弹性复位件，一端连接所述滑块，另一端连接所述本体。
The present invention discloses an endoscope bending angle control structure, including a main body, which is cylindrical and symmetrically provided with 2n first slide grooves, n≥2, and the positions of the first slide grooves at the bottom of the main body are all provided with through holes connected to the first slide grooves; a sleeve, which is slidably sleeved on the main body, and 2n‑1 second slide grooves are provided on the inner side of the sleeve, and each second slide groove is corresponding to one of the first slide grooves; a slider is slidably arranged in the first slide groove in a one-to-one correspondence, and a protrusion protruding outward from the first slide groove is provided at the upper end of the slider, one of the protrusions abuts against the end of the sleeve, and the remaining protrusions respectively correspond to the second slide grooves one-to-one, and the second slide groove can accommodate the protrusion and allow the protrusion to slide; a steel wire passes through the through hole and is connected to the slider at one end; an elastic reset member for driving the slider to reset, one end of which is connected to the slider and the other end is connected to the main body.
Description
Technical Field
The invention relates to the field of endoscope products, in particular to an endoscope bending angle control structure.
Background
The angle control structure of the medical endoscope is mainly characterized in that a steel wire is connected with a bending snake bone, and the bending snake bone is driven to bend by traction steel wires, so that the angle of the endoscope is adjusted.
The angle control system of the current soft medical endoscope mainly comprises a four-direction bending control system with double control handles for a large endoscope and a two-direction angle control system with single control handles for a small endoscope. Both control systems have certain defects that the four-direction control system has a complex structure, high processing and manufacturing cost and huge volume, and the two-direction control system can only control two direction angles and cannot meet the requirement of complex angle control.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides an endoscope bending angle control structure which has a simple structure and can control multi-directional angles.
The endoscope bending angle control structure comprises a cylindrical body, a shaft sleeve, a sliding block, an elastic reset piece, a sliding block and a body, wherein 2n first sliding grooves are symmetrically arranged on the cylindrical body, n is larger than or equal to 2, through holes communicated with the first sliding grooves are formed in the bottom of the body, the positions, corresponding to the first sliding grooves, of the bottom of the body are respectively provided with a through hole communicated with the first sliding grooves, the shaft sleeve is sleeved on the body in a sliding mode, 2n-1 second sliding grooves are formed in the inner side of the shaft sleeve, each second sliding groove is arranged corresponding to one first sliding groove, the sliding block is correspondingly arranged in the first sliding groove in a sliding mode, the upper end of the sliding block is provided with a protruding block protruding outwards from the first sliding groove, one protruding block abuts against the end of the shaft sleeve, the other protruding blocks are respectively corresponding to the second sliding grooves in a one-to-one mode, the second sliding grooves can be accommodated by the protruding blocks, steel wires penetrate through the through holes, one end of the sliding block is connected with the sliding block, one end of the elastic reset piece is used for driving the sliding block to reset, one end of the sliding block is connected with the sliding block, and the other end of the sliding block is connected with the body.
The endoscope bending angle control structure at least has the advantages that the shaft sleeve is rotated to enable the corresponding protruding blocks to be abutted to the shaft sleeve, the remaining protruding blocks correspond to the second sliding grooves, the shaft sleeve is moved upwards to drive the corresponding protruding blocks to move upwards, the corresponding sliding blocks also move upwards to enable the steel wire to drive the bending snake bone (a structure which is not shown in the drawing) to bend upwards, the other sliding blocks symmetrically arranged with the sliding blocks moving upwards move in the opposite direction in the bending process of the snake bone, the elastic reset piece is compressed in the downward moving process of the sliding blocks, the shaft sleeve is moved downwards, the sliding blocks are restored to the original positions, and the other sliding blocks symmetrically arranged are restored to the original positions under the action of the elastic reset piece. According to the angle that the endoscope needs to be adjusted, the shaft sleeve is moved upwards to drive the corresponding sliding block to move upwards, the steel wire pulls the snake bone to bend, so that the angle of the endoscope is adjusted, n parameters are designed according to requirements, for example, n is 2, namely, the angle of the endoscope in 4 directions can be adjusted, and if n is 3, the angle of the endoscope in 6 directions can be adjusted, and the like, so that the structure is simple, and multi-directional angle control of the endoscope can be realized.
According to the embodiment of the invention, the steel wire is connected with the bottom of the body through the through hole, and the steel wire passes through the elastic sleeve.
According to the embodiment of the invention, the through hole is arranged into a first stepped hole with a small upper part and a large lower part, the lower part of the first stepped hole is in threaded connection with the adjusting sleeve, a second stepped hole with a small upper part and a large lower part is arranged in the adjusting sleeve, and the lower part of the second stepped hole is sleeved with the elastic sleeve.
According to the embodiment of the invention, the elastic reset piece is a reset spring.
According to the embodiment of the invention, the outer side of the shaft sleeve is rough.
According to the embodiment of the invention, a plurality of concave grooves are vertically arranged at intervals on the outer side of the shaft sleeve.
According to the embodiment of the invention, the device further comprises a limiting cover, wherein the limiting cover is sleeved at the upper end of the body, and a limiting block is arranged on the upper end face of the shaft sleeve.
According to the embodiment of the invention, the limiting block is provided with the avoiding groove for accommodating the convex block.
According to the embodiment of the invention, the upper surface of the limit cover is provided with the connecting holes corresponding to the first sliding grooves one by one, and each connecting hole is correspondingly provided with a screw which is inserted into the connecting hole and is in threaded connection with the first sliding groove.
According to the embodiment of the invention, the number of the first sliding grooves and the number of the steel wires are 4.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of an endoscope bending angle control structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a portion of the structure of the bending angle control structure of one type of endoscope of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of a bending angle control structure of the endoscope of FIG. 1;
FIG. 4 is a schematic view of a sleeve of the bending angle control structure of the endoscope of FIG. 1;
FIG. 5 is a schematic view of an adjustment sleeve of the bending angle control structure of the endoscope of FIG. 1;
FIG. 6 is a schematic view of the body of an endoscope bend angle control structure of FIG. 1;
reference numerals:
The device comprises a body 1, a shaft sleeve 2, a first chute 3, a second chute 4, a sliding block 5, a convex block 6, an elastic reset piece 7, an elastic sleeve 8, a through hole 9, an adjusting sleeve 10, a steel wire 11, a concave groove 12, a limiting cover 13, a limiting block 14 and a screw 15.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, top, bottom, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the description of the first and second embodiments is for the purpose of distinguishing between technical features only, and should not be taken as indicating or implying a relative importance or implying a number of technical features or a precedence relationship between the technical features indicated
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by those skilled in the art in combination with the specific contents of the technical scheme.
An endoscope bending angle control structure according to an embodiment of the present invention is described below with reference to fig. 1 to 6.
As shown in fig. 1 to 6, an endoscope bending angle control structure according to an embodiment of the present invention is described, and the endoscope bending angle control structure comprises a cylindrical body 1, wherein 2n first sliding grooves 3, n is equal to or greater than 2, through holes 9 which are communicated with the first sliding grooves 3 are symmetrically arranged at positions corresponding to the first sliding grooves 3 at the bottom of the body 1, a shaft sleeve 2 is sleeved on the body 1 in a sliding manner, 2n-1 second sliding grooves 4 are arranged at the inner side of the shaft sleeve 2, each second sliding groove 4 is correspondingly arranged with one first sliding groove 3, sliding blocks 5 are correspondingly arranged in the first sliding grooves 3 in a sliding manner, a protruding block 6 protruding outwards from the first sliding groove 3 is arranged at the upper end of each sliding block 5, one protruding block 6 is abutted against the end of the shaft sleeve 2, the remaining protruding blocks 6 are respectively and correspondingly arranged with the second sliding grooves 4, the second sliding grooves 4 can accommodate the protruding blocks 6 and allow the protruding blocks 6 to slide, a steel wire 11 passes through the through holes 9, one end of the sliding blocks 5 is connected with one end of the sliding blocks 5, and the other end of the sliding blocks 5 is connected with one end of the sliding block 5, and the other end of the sliding block 5 is elastically reset member 7 is connected with one end 1.
In order to enable the shaft sleeve 2 to rotate around the body 1, the body 1 is arranged to be cylindrical, in order to enable the sliding block 5 to pull the steel wire 11 to move upwards, the shaft sleeve 2 is rotated, one of the protruding blocks 6 is abutted to the shaft sleeve 2, when the shaft sleeve 2 moves upwards, the protruding block 6 abutted to the shaft sleeve 2 is subjected to upward force, the sliding block 5 and the steel wire 11 are driven to move upwards, the steel wire 11 is further driven to drive the bending snake bone (the structure is not shown in the figure) to bend upwards, the other protruding block 6 symmetrically arranged with the protruding block 6 moves towards the opposite direction in the bending process of the snake bone, and therefore the second sliding groove 4 is arranged, the other protruding block 6 can slide in the second sliding groove 4, the sliding block 5 corresponding to the other protruding block 6 can downwards press the elastic reset piece 7 in the moving process, when the shaft sleeve 2 moves downwards, the protruding block 6 is restored to the original position, and the other protruding block 6 is restored to the original position under the action of the elastic reset piece 7.
Specifically, the shaft sleeve 2 is rotated to make the corresponding protruding blocks 6 abut against the shaft sleeve 2, the remaining protruding blocks 6 correspond to the second sliding grooves 4, the shaft sleeve 2 is moved upwards, the shaft sleeve 2 drives the corresponding protruding blocks 6 to move upwards, the corresponding sliding blocks 5 also move upwards to drive the steel wires 11 to drive the bending snake bones (the structure is not shown in the figure) to bend upwards, the other sliding blocks 5 symmetrically arranged with the sliding blocks 5 moving upwards move in the reverse direction in the bending process of the snake bones, the elastic reset piece 7 is compressed in the downward movement process of the sliding blocks 5, the shaft sleeve 2 is moved downwards, the sliding blocks 5 are restored to the original positions, and the other sliding blocks 5 symmetrically arranged are restored to the original positions under the action of the elastic reset piece 7 due to the fact that the reaction of the other sliding blocks 5 symmetrically arranged is eliminated. According to the angle that the endoscope needs to be adjusted, the shaft sleeve 2 is moved upwards to drive the corresponding sliding blocks 5 to move upwards, the steel wire 11 pulls the snake bones to bend, so that the angle of the endoscope is adjusted, n parameters are designed according to the needs, for example, n is 2, namely, the angle of the endoscope in 4 directions can be adjusted, if n is 3, the angle of the endoscope in 6 directions can be adjusted, and the like, the structure is simple, the multidirectional angle control of the endoscope can be realized, and the problem that when different sliding blocks 5 are driven to move upwards, the rotation direction of the endoscope is inconsistent, namely, each sliding block 5 represents one direction to drive the corresponding sliding block 5 to ascend, and the endoscope rotates in the corresponding direction is solved.
In other embodiments, the endoscope further comprises an elastic sleeve 8, the elastic sleeve 8 is connected to the bottom of the body 1 through a through hole 9, the steel wire 11 passes through the elastic sleeve 8, the elastic sleeve 8 can play a role in guiding the movement of the steel wire 11, the sleeve is arranged to be elastic, the steel wire 11 is convenient to bend, and if the sleeve is a rigid sleeve, once the steel wire 11 drives the endoscope to turn, the bending cannot be realized, and it is noted that in the embodiment, the steel wire 11 is very thin and is a steel wire 11 with a diameter of several millimeters, and the minimum available diameter is 0.15 millimeter.
In other embodiments, referring to fig. 2, the through hole 9 is configured as a first stepped hole with a small upper part and a large lower part, the lower part of the first stepped hole is in threaded connection with the adjusting sleeve 10, the adjusting sleeve 10 is internally provided with a second stepped hole with a small upper part and a large lower part, the lower part of the second stepped hole is sleeved with the elastic sleeve 8, the elastic sleeve 8 needs to be cut to a certain length in the process of processing, but a certain error is inevitably generated in the cutting process, the endoscope is a medical product, the precision of the components is strictly required, for example, the error of the elastic sleeve is a large error even a few millimeters in the cutting process, the errors cannot be avoided, if the elastic sleeve 8 is cut to be installed in the endoscope, if the elastic sleeve 8 is cut to be short, the elastic sleeve 8 generates a gap with the endoscope, when the steel wire 11 moves, the elastic sleeve 8 cannot be limited, the movement of the steel wire 11 can be influenced, the elastic sleeve 10 is rotated to rise, if the elastic sleeve 8 is cut to be cut to a certain error, and if the elastic sleeve 8 is cut to be moved down, and the elastic sleeve 8 can be prevented from moving slightly when the inner wall 8 is moved down, and the elastic sleeve 8 is just small when the elastic sleeve 8 is moved down, and the small inner wall 8 is moved down, and the elastic sleeve 8 is difficult to move, and the elastic sleeve is prevented from moving slightly when the inner wall 8 is moved.
In this embodiment, the elastic restoring member 7 is a restoring spring, and in other embodiments, the elastic restoring member may be restored in a form of being attracted by a magnet.
In other embodiments, the outer surface of the shaft sleeve 2 is provided with a rough shape, so that the friction force of the outer surface of the shaft sleeve 2 is increased, and the shaft sleeve 2 is more convenient to rotate.
In this embodiment, the outer surface of the sleeve 2 is vertically provided with a plurality of concave grooves 12 at intervals, and in other embodiments, the outer surface of the sleeve 2 may be provided with other shapes, such as a plurality of protruding strips at intervals, so long as the shape of increasing friction force can be achieved.
In other embodiments, the device further comprises a limit cover 13, the limit cover 13 is sleeved at the upper end of the body 1, a limit block 14 is arranged on the upper end face of the shaft sleeve 2, when the shaft sleeve 2 moves upwards, the limit block 14 is propped against the limit cover 13, and the shaft sleeve 2 stops moving upwards.
In other embodiments, the limiting block 14 is provided with a recess for accommodating the bump 6, so that the shaft sleeve 2 is rotated according to the direction in which the endoscope needs to be adjusted, so that the corresponding bump 6 can abut against the shaft sleeve 2.
In other embodiments, the upper surface of the limit cover is provided with connecting holes corresponding to the first sliding grooves 3 one by one, each connecting hole is provided with a screw 15, and the screw 15 is inserted into the connecting hole and is in threaded connection with the first sliding groove 3, so that the limit cover 13 and the body 1 can be fastened and connected.
In other embodiments, the number of the first sliding grooves 3 and the number of the steel wires 11 are 4, and correspondingly, the number of the steel wires 11 is also 4, so that the 4 directions of the endoscope can be adjusted.
When in use, the adjusting sleeve 10 is firstly adjusted, so that the length of the elastic sleeve 8 protruding out of the bottom of the body 1 is consistent, the structure can be arranged in an endoscope (the structure is not shown in the figure), after the structure is arranged, the corresponding sliding block 5 is adjusted to rise according to the requirement, and the steel wire 11 drives the bending snake bone (the structure is not shown in the figure) to bend, so that the direction of the lens of the endoscope is adjusted.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134072.0A CN111297304B (en) | 2020-03-02 | 2020-03-02 | Endoscope bending angle control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134072.0A CN111297304B (en) | 2020-03-02 | 2020-03-02 | Endoscope bending angle control structure |
Publications (2)
| Publication Number | Publication Date |
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| CN111297304A CN111297304A (en) | 2020-06-19 |
| CN111297304B true CN111297304B (en) | 2025-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010134072.0A Active CN111297304B (en) | 2020-03-02 | 2020-03-02 | Endoscope bending angle control structure |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209951219U (en) * | 2019-03-25 | 2020-01-17 | 乔志立 | Novel neurosurgery endoscope |
| CN212489828U (en) * | 2020-03-02 | 2021-02-09 | 珠海视新医用科技有限公司 | Endoscope bending angle control structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19534112A1 (en) * | 1995-09-14 | 1997-03-20 | Wolf Gmbh Richard | Endoscopic instrument with steerable distal end |
| US10617283B2 (en) * | 2015-06-02 | 2020-04-14 | Youcare Technology Co., Ltd. (Wuhan) | Self-locking angle adjustment mechanism for endoscope |
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2020
- 2020-03-02 CN CN202010134072.0A patent/CN111297304B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209951219U (en) * | 2019-03-25 | 2020-01-17 | 乔志立 | Novel neurosurgery endoscope |
| CN212489828U (en) * | 2020-03-02 | 2021-02-09 | 珠海视新医用科技有限公司 | Endoscope bending angle control structure |
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| CN111297304A (en) | 2020-06-19 |
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Country or region after: China Address after: Floors 4-8, Building 1, No. 199 Shui'an 1st Road, Xiangzhou District, Zhuhai City, Guangdong Province Applicant after: Zhuhai Shixin Medical Technology Co.,Ltd. Address before: 4th Floor, Building B, No. 6 Pingxi 10th Road, Nanping Science and Technology Industrial Park, Xiangzhou District, Zhuhai City, Guangdong Province Applicant before: ZHUHAI SEESHEEN MEDICAL TECHNOLOGY CO.,LTD. Country or region before: China |
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