CN220141609U - Endoscope's transmission structure and endoscope thereof - Google Patents
Endoscope's transmission structure and endoscope thereof Download PDFInfo
- Publication number
- CN220141609U CN220141609U CN202320622425.0U CN202320622425U CN220141609U CN 220141609 U CN220141609 U CN 220141609U CN 202320622425 U CN202320622425 U CN 202320622425U CN 220141609 U CN220141609 U CN 220141609U
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- China
- Prior art keywords
- endoscope
- steel wire
- snake bone
- transmission structure
- steel
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 241000270295 Serpentes Species 0.000 claims abstract description 38
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 38
- 238000005452 bending Methods 0.000 claims abstract description 15
- 238000003384 imaging method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
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- Endoscopes (AREA)
Abstract
The utility model discloses a transmission structure of an endoscope and the endoscope thereof, which are used for driving bending and deflection of a distal lens of the endoscope, and comprise a camera assembly, a snake bone and at least two groups of steel wire ropes, wherein the camera assembly is arranged at the distal end part of the snake bone; all steel wire ropes are sleeved on the snake bones from back to front, and the front ends of the steel wire ropes are directly connected to the camera shooting assembly; the part of the steel wire rope positioned at the outer side of the snake bone is sleeved in a steel pipe or a spring pipe arranged at the rear side; the outer diameter of the tail joint at the rear end of the snake bone is formed by shrinkage from large to small, and the tail joint is nested and matched with the main hose at the rear end; the rear end of the step joint cylinder is provided with an open slot which is arranged along the axial cylinder wall and is opened at the opposite end face, so that steel pipes or spring pipes which are convenient for sleeving steel wires are sleeved, and the front ends of the spring pipes are sleeved and integrally connected; through snake bone end joint and steel pipe or spring pipe body coupling, effectively improve endoscope transmission structure's reliability and practicality, improve the quality of product.
Description
[ field of technology ]
The utility model relates to an endoscope lens transmission technology, in particular to a transmission structure of an endoscope and the endoscope thereof.
[ background Art ]
The medical endoscope consists of a head end part, a bending part, a main hose, an operating part, an ocular, a light guide hose, a light guide plug and a cold light source, and utilizes the light transmission and image transmission principle of an optical fiber and the soft bending performance of the optical fiber to conveniently and directly check the pathological change part in a human body, so that the head end part connected with the far end of the bending part can be effectively controlled by the operating part.
In the existing medical endoscope, the head end at the far end is mainly connected with the control part of the operation part through a steel wire rope, so that the bending and deflection of the head end are controlled, the steel wire rope is generally protected by a steel tube or a spring tube outside the steel wire rope, one end of the steel tube or the spring tube close to a snake bone is clamped on a snake bone end joint of the bending part, and the steel wire rope is influenced by the resilience force of the snake bone part due to small space and high precision of the endoscope, so that the steel tube or the spring tube connected with the endoscope is easily influenced by stronger resilience force, the space is limited, the steel tube or the spring tube is limited in installation and connection, and after long-time use, the steel tube or the spring tube fixed on the snake bone end joint is easily loosened and misplaced, and further the steel wire rope is damaged or the bending angle is influenced; therefore, improvement of the wire rope installation connection structure of the existing medical endoscope is urgently needed to improve the use safety.
[ utility model ]
The utility model provides a transmission structure of an endoscope and the endoscope thereof, which adopt a snake bone powder joint to be integrally welded with a steel pipe or a spring pipe, thereby effectively improving the reliability and the practicability of the transmission structure and improving the quality of products.
The technical scheme adopted by the utility model is as follows:
the transmission structure of the endoscope is used for driving the bending and deflection of a distal lens of the endoscope and comprises an imaging component positioned at the end part of the head, a snake bone positioned at the bending part and at least two groups of steel wire ropes, wherein the imaging component is arranged at the distal end part of the snake bone;
all the steel wire ropes are arranged on the snake bones from the back to the front in a penetrating way, and the front ends of the steel wire ropes are directly connected to the camera shooting assembly;
the part of the steel wire rope positioned at the outer side of the snake bone is sleeved in a steel pipe or a spring pipe arranged at the rear side;
the outer diameter of the tail joint of the rear end of the snake bone is formed by shrinkage from large to small, and the tail joint is in nested fit with the main hose at the rear end;
the rear end of the step joint cylinder is provided with an open slot which is arranged along the axial cylinder wall and is opened at the opposite end face, so that the steel tube or the spring tube sleeved by the steel wire rope can be conveniently integrally connected after the front end of the spring tube is sleeved.
Preferably, the outer wall of the front end of the steel pipe or the spring pipe is integrally connected to the outer edge of the open slot at the rear end of the step joint cylinder by adopting a welding process.
Preferably, the upper and lower sides of adjacent joints on the snake bones are respectively and inwards concavely provided with an inner elastic sheet for axially limiting and fixing the steel wire rope which is installed through the sleeve.
Preferably, the two sides of the inner spring plate are respectively provided with a yielding groove.
Preferably, the inner spring plates are respectively arranged at the upper side and the lower side of the adjacent joints at intervals.
An endoscope, the bending part of which adopts the transmission structure of the endoscope.
The beneficial effects of the utility model are as follows:
according to the utility model, the snake bone powder joint is integrally welded with the steel tube or the spring tube, and the upper side and the lower side of the adjacent joint on the snake bone are respectively and inwards concavely provided with the inner elastic sheet for axially limiting and fixing the steel wire rope which is installed through the sleeve, so that the steel wire rope is effectively installed and fixed, meanwhile, the reliable connection between the steel tube or the spring tube and the snake bone powder joint is stably realized, the reliability and the practicability of a transmission structure are effectively improved, and the quality of a product is improved.
[ description of the drawings ]
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the joint of the snake bone according to the utility model;
FIG. 3 is a schematic view of the longitudinal cross-sectional structure of the snake bone joint according to the utility model;
fig. 4 is a schematic view of the axial cross-sectional structure of the snake bone joint according to the utility model.
[ detailed description ] of the utility model
Technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The transmission structure of the endoscope, as shown in fig. 1 to 4, is used for driving the bending and deflection of the distal lens of the endoscope, and comprises a camera shooting assembly (not shown in the figure) positioned at the end part of the head, a snake bone 1 positioned at the bending part and two groups of steel wire ropes 2, wherein the camera shooting assembly is arranged at the distal end part of the snake bone 1; all the steel wire ropes 2 are sleeved on the snake bone 1 from back to front, the front ends of the steel wire ropes 2 are directly connected to the camera shooting assembly, and the part of the steel wire ropes 2 positioned outside the snake bone 1 is sleeved in a steel pipe or a spring pipe 3 arranged at the back side; the outer diameter of the tail joint of the rear end of the snake bone 1 is contracted from large to small to form a step joint cylinder 4 which is nested and matched with a main hose (not shown in the figure), the rear end of the step joint cylinder 4 is provided with an opening groove 5 which is arranged along the axial cylinder wall and is convenient for integrally connecting a steel pipe or a spring pipe 3 sleeved by the steel wire rope 2 after the front end of the steel pipe or the spring pipe 3 is sleeved, wherein the outer wall of the front end of the steel pipe or the spring pipe 3 is integrally connected to the outer edge of the opening groove 5 at the rear end of the step joint cylinder 4 by adopting a welding process.
As shown in fig. 2 to 4, the upper and lower sides of the adjacent joints on the snake bone 1 are respectively provided with an inner spring plate 6 which is concavely arranged inwards and is used for axially limiting and fixing the steel wire rope 2 which is sleeved and installed, two sides of the inner spring plate 6 are respectively provided with a yielding groove 7, and the distance between the eight joints of the inner spring plate 6 is respectively arranged on the upper and lower sides of the adjacent joints.
In this example, adopt 1 last joints of snake bone and steel pipe or 3 integrative welded connection of spring to and the upper and lower side of the adjacent joint on the snake bone 1 is with interval a section distance, inwards sunken be provided with respectively carry out the spacing fixed interior shell fragment 6 of axial to the wire rope 2 of wearing the cover installation, like this, when effectively installing fixedly to wire rope 2, firm realization steel pipe or spring pipe 3 is connected reliably with 1 last joints of snake bone between, effectively improves transmission structure's reliability and practicality, improves the quality of product.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "front", "rear", "top", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
The above embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but all equivalent changes according to the shape, construction and principle of the present utility model are intended to be included in the scope of the present utility model.
Claims (6)
1. The transmission structure of the endoscope is used for driving the bending and deflection of a distal lens of the endoscope and is characterized by comprising an imaging component positioned at the end part of the head, a snake bone positioned at the bending part and at least two groups of steel wire ropes, wherein the imaging component is arranged at the distal end part of the snake bone;
all the steel wire ropes are arranged on the snake bones from the back to the front in a penetrating way, and the front ends of the steel wire ropes are directly connected to the camera shooting assembly;
the part of the steel wire rope positioned at the outer side of the snake bone is sleeved in a steel pipe or a spring pipe arranged at the rear side;
the outer diameter of the tail joint of the rear end of the snake bone is formed by shrinkage from large to small, and the tail joint is in nested fit with the main hose at the rear end;
the rear end of the step joint cylinder is provided with an open slot which is arranged along the axial cylinder wall and is opened at the opposite end face, so that the steel tube or the spring tube sleeved by the steel wire rope can be conveniently integrally connected after the front end of the spring tube is sleeved.
2. A transmission structure of an endoscope according to claim 1 and wherein: the outer wall of the front end of the steel pipe or the spring pipe is integrally connected to the outer edge of the open slot at the rear end of the step joint barrel by adopting a welding process.
3. A transmission structure of an endoscope according to claim 1 and wherein: the upper side and the lower side of the adjacent joints on the snake bones are respectively provided with an inner elastic sheet which is inwards sunken and is used for axially limiting and fixing the steel wire rope which is installed through the sleeve.
4. A transmission structure for an endoscope according to claim 3 and wherein: and two sides of the inner elastic sheet are respectively provided with a yielding groove.
5. A transmission structure for an endoscope according to claim 3 and wherein: the inner elastic sheets are arranged on the upper side and the lower side of the adjacent joints respectively at intervals.
6. An endoscope, characterized in that: the bending part of the endoscope adopts the transmission structure of the endoscope of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320622425.0U CN220141609U (en) | 2023-03-24 | 2023-03-24 | Endoscope's transmission structure and endoscope thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320622425.0U CN220141609U (en) | 2023-03-24 | 2023-03-24 | Endoscope's transmission structure and endoscope thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220141609U true CN220141609U (en) | 2023-12-08 |
Family
ID=89019284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320622425.0U Active CN220141609U (en) | 2023-03-24 | 2023-03-24 | Endoscope's transmission structure and endoscope thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220141609U (en) |
-
2023
- 2023-03-24 CN CN202320622425.0U patent/CN220141609U/en active Active
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