CN217365784U - Haulage rope pretension structure, endoscope handle and endoscope - Google Patents
Haulage rope pretension structure, endoscope handle and endoscope Download PDFInfo
- Publication number
- CN217365784U CN217365784U CN202221191263.1U CN202221191263U CN217365784U CN 217365784 U CN217365784 U CN 217365784U CN 202221191263 U CN202221191263 U CN 202221191263U CN 217365784 U CN217365784 U CN 217365784U
- Authority
- CN
- China
- Prior art keywords
- layer
- endoscope
- connecting piece
- haulage rope
- adjusting layer
- 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.)
- Active
Links
Images
Landscapes
- Endoscopes (AREA)
Abstract
The utility model is suitable for an endoscope technical field provides a haulage rope pretension structure, endoscope handle and endoscope, a haulage rope pretension structure, include: one end of the adjusting layer is connected with the traction rope; the fixing layers are distributed along the axial direction of the adjusting layer; the fixing layer is used for limiting the axial sliding of the adjusting layer along the fixing layer. The application provides an endoscope pretension structure carries out the pretension through the pulling force that utilizes the adjustment layer, can the length adjustment of self-adaptation haulage rope, does not need the manual work to adjust the pretightning force of haulage rope many times through the driving lever on the handle, and is simple and convenient.
Description
Technical Field
The utility model belongs to the technical field of the endoscope technique and specifically relates to a haulage rope pretension structure, endoscope handle and endoscope are related to.
Background
An endoscope is a common medical instrument, can directly enter a natural pipeline of a human body, and can provide sufficient diagnosis information for doctors to treat diseases. When in use, the inserting part of the endoscope enters the human body through the natural pore canal of the human body or a small incision made by operation, and a doctor can directly peep the change of the relevant part.
The insertion portion of the endoscope generally includes a snake bone segment, a passive bending segment, and an insertion tube segment. The snake bone segment drives the snake bone to rotate in different directions by adjusting the tension of the traction rope, the pre-tightening tension of the traction rope is adjusted by manually controlling the pre-tightening tension of the traction rope for multiple times, and the magnitude of the adjusting force cannot be accurately controlled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a haulage rope pretension structure, endoscope handle and endoscope solve the above-mentioned technical problem who exists among the prior art, mainly include following three aspect:
the utility model discloses the first aspect provides a haulage rope pretension structure, include:
one end of the adjusting layer is connected with the traction rope;
the fixing layers are distributed along the axial direction of the adjusting layer;
the fixing layer is used for limiting the axial sliding of the adjusting layer along the fixing layer;
the adjusting layer is an elastic element.
Furthermore, the pre-tightening structure also comprises a first connecting piece and a second connecting piece;
one end of the first connecting piece is fixedly connected with one end of the adjusting layer;
one end of the second connecting piece is fixedly connected with the other end of the adjusting layer, and the other end of the second connecting piece is fixedly connected with the traction rope.
Further, the adjusting layer is a spring.
Further, the fixed layer is a heat shrinkable tube.
Furthermore, the hot melt adhesive is arranged inside the heat shrink tube, and the adjusting layer is limited by the hot melt adhesive to slide relative to the fixing layer along the axial direction of the fixing layer.
Further, one end of at least one of the first connecting piece and the second connecting piece is provided with a guiding part.
Further, the cross-sectional diameters of the first connecting piece and the second connecting piece are respectively equal to the cross-sectional diameter of the adjusting layer.
A second aspect of the present invention provides an endoscope handle, comprising: the device comprises a rotary table and the traction rope pre-tightening structure, wherein one end of the pre-tightening structure is fixedly connected with the rotary table;
or one end of the pre-tightening structure is fixedly connected with the rotary disc through a traction rope.
Furthermore, the traction rope rounds the edge of the turntable, and two ends of the traction rope are connected with the pre-tightening structure.
A third aspect of the present invention provides an endoscope, comprising the above-mentioned endoscope handle.
The utility model discloses relative to prior art have following technological effect at least:
(1) the application provides an endoscope pretension structure carries out the pretension through the pulling force that utilizes the adjustment layer, can the length adjustment of self-adaptation haulage rope, does not need the manual work to adjust the pretightning force of haulage rope many times through the driving lever on the handle, and is simple and convenient.
(2) The utility model provides a set up the adjustment layer into the spring, utilize the spring when receiving external force and being in the extension state, can produce the pulling force that corresponds with external force, carry out the shrink of self, this application utilizes this kind of pulling force effect that the spring produced to carry out the pretension to the haulage rope, and according to the length of the deformation self-adaptation regulation haulage rope that the spring produced under the effect of pulling force, do not need the manual work to carry out the pretension adjustment to the haulage rope many times, moreover, the steam generator is simple in structure, need not artificial pretension that can realize the haulage rope.
(3) Be provided with the guide portion in this application on at least one of first connecting piece and second connecting piece, when the pyrocondensation pipe was followed in first connecting piece and the second connecting piece arbitrary one end and is gone into, the guide portion that corresponds can make the quick smooth entering spring surface of pyrocondensation pipe wrap up it.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first structural schematic view of an endoscope handle of the present invention;
FIG. 2 is a second schematic view of an endoscope handle of the present invention;
fig. 3 is a schematic diagram of a pre-tightening structure of a traction rope according to the present invention;
fig. 4 is a first schematic cross-sectional view of a pull-cord pretensioning structure according to the present invention;
fig. 5 is a second schematic cross-sectional view of a traction rope pre-tightening structure in the present invention
FIG. 6 is a schematic structural view of the adjustment layer and the first and second connection members of the present invention;
in the figure: 10-a turntable; 20-pre-tightening structure; 21-a fixing layer; 22-a tuning layer; 23-a first connector; 24-a second connector; 231-a guide; 241-a guide part; 30-pulling the rope.
Detailed Description
The following description provides many different embodiments, or examples, for implementing different features of the invention. The particular examples set forth below are intended as illustrations of a matter of simplicity of description and are not intended as limitations on the invention.
To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The utility model aims at providing a haulage rope pretension structure, endoscope handle and endoscope solve the above-mentioned technical problem who exists among the prior art, mainly include following three aspect:
the first embodiment is as follows:
the embodiment of the utility model provides a haulage rope pretension structure 20 is provided, include:
the adjusting layer 22, one end of the adjusting layer 22 is connected with the hauling rope 30;
a fixed layer 21, the fixed layer 21 being distributed along an axial direction of the adjustment layer 22;
the fixing layer 21 is used for limiting the axial sliding of the adjusting layer 22 along the fixing layer 21;
the adjustment layer (22) is an elastic element.
As shown in fig. 1 to 6, the pull rope pre-tightening structure 20 is cylindrical, two layers are distributed along the radial direction of the pull rope pre-tightening structure 20, one layer is an adjusting layer 22, one end of the adjusting layer 22 is connected with other components for fixing the adjusting layer, the other end is connected with the pull rope 30, and the pull rope connected with the snake bone is pre-tightened by the elastic tension of the adjusting layer 22; the fixing layer 21 is sleeved outside the adjusting layer 22, the inner wall of the fixing layer 21 is fixedly connected with the outer wall of the adjusting layer 22, and the adjusting layer 22 is limited to move along the axial direction of the fixing layer 21, so that the rigidity of the adjusting layer 22 is increased, the hauling rope is rigidly driven, and meanwhile, the hauling rope 30 can be pre-tightened.
The application provides an endoscope pretension structure carries out the pretension through the pulling force that utilizes the adjustment layer, can the length adjustment of self-adaptation haulage rope, does not need the manual work to adjust the pretightning force of haulage rope many times through the driving lever on the handle, and is simple and convenient.
Further, the pre-tightening structure 20 further comprises a first connecting piece 23 and a second connecting piece 24;
one end of the first connecting piece 23 is fixedly connected with one end of the adjusting layer 22;
one end of the second connector 24 is fixedly connected with the other end of the adjustment layer 22, and the other end of the second connector 24 is fixedly connected with the traction rope 30.
In the above scheme, as shown in fig. 4, a first connecting piece 23 and a second connecting piece 24 are further disposed at two ends of the adjusting layer 22, and both the first connecting piece 23 and the second connecting piece 24 are fixedly connected with two corresponding ends of the adjusting layer 22, and the fixed connection manner may be integrated, welded, glued, screwed, or the like, which is not limited herein; the first connecting piece 23 and the second connecting piece 24 are arranged at the two ends of the adjusting layer 22, so that the adjusting layer can be connected with the pulling rope 30 or other components conveniently, and the situation that the adjusting layer 22 is not directly connected with the pulling rope 30 or other components or is easy to fall off and break after connection is avoided.
Further, the adjustment layer 22 is a spring.
Among the above-mentioned scheme, in this application be the spring with adjustment layer 22 optimization, utilize the spring when receiving external force and be in the extension state, can produce the pulling force that corresponds with external force, carry out the shrink of self, this application utilizes this kind of pulling force effect that the spring produced to carry out the pretension to the haulage rope, and according to the deformation self-adaptation regulation haulage rope's that the spring produced under the effect of pulling force length, do not need the manual work to carry out pretension adjustment to the haulage rope many times, moreover, the steam generator is simple in structure, need not artificial participation and can realize the pretension to the haulage rope.
Further, the fixing layer 21 is a heat shrinkable tube.
Further, the inside of the heat shrink tube has a hot melt adhesive, and the adjustment layer 22 is restricted by the hot melt adhesive from sliding relative to the fixing layer 21 along the axial direction of the fixing layer 21.
In the above scheme, the fixing layer 21 is preferably a heat shrink tube, and the heat shrink tube is made of one of TPE, TPU, PU, PTFE, LDPE, HDPE, PEBAX, PE, EVA, PVC, and PET; the heat shrink tube at least wraps the whole outer wall of the spring, and at the same time, the heat shrink tube can wrap at least part of the first connecting piece 23 and the second connecting piece 24, at least part of the heat shrink tube refers to the part of the first connecting piece 23 and the second connecting piece 24 which are respectively connected with the spring, and the heat shrink tube can wrap the first connecting piece 23 and the second connecting piece 24 completely; work as after the spring is connected well with first connecting piece 23 and second connecting piece 24, locate the three surface with the pyrocondensation pipe cover, because the inside of pyrocondensation pipe has the hot melt adhesive, through heating the pyrocondensation pipe, the hot melt adhesive can permeate in the gap of spring, and the spring is fixed by the hot melt adhesive this moment, no longer has elasticity, has restricted the spring and has been in slip and rotation in the pyrocondensation pipe have avoided the haulage rope to take place to twist reverse, and the haulage rope pretension mechanism that forms this moment can the rigid drive haulage rope, realizes the snake bone that is connected with the haulage rope along the bending of equidirectional not.
In addition, a core rod, a core tube, a heat shrinkable tube, and the like may be provided inside the spring, and the spring may be fixedly connected to the core rod, the core tube, the heat shrinkable tube, and the like by means of gluing or the like, so that the spring can rigidly drive the pulling rope to move.
Further, at least one end of the first connector 23 and the second connector 24 is provided with a guide portion (231, 241).
In the above solution, as shown in fig. 5, a guiding portion 231 is disposed at one end of the first connecting member 23 far from the spring, and a guiding portion 241 is disposed at one end of the second connecting member 24 far from the spring, so that when the heat shrinkable tube enters from any one end of the first connecting member 23 and the second connecting member 24, the heat shrinkable tube can enter the surface of the spring quickly and smoothly to wrap the spring by the corresponding guiding portion.
It should be noted that, the specific shapes of the first connecting member 23 and the second connecting member 24 are not limited in this application, and may be a cylinder, a hexagonal prism, or the like; the material of the first connecting member 23 and the second connecting member 24 is not limited herein, and may be metal, such as iron, copper, or the like.
Further, the cross-sectional diameters of the first connecting member 23 and the second connecting member 24 are respectively equal to the cross-sectional diameter of the adjustment layer 22.
In the above scheme, the diameters of the cross sections of the first connecting piece 23 and the second connecting piece 24 are respectively equal to the diameter of the spring tube, so that after the heat shrinkable tube is subjected to heat shrinkage, a step surface is formed at the joint of the spring and the corresponding connecting piece, the heat shrinkable tube is prevented from being broken, and the like.
In this application, adopt pretension structure to realize like this to the pretension of haulage rope: before pre-tightening, the heat-shrinkable tube is only sleeved on the spring and is not subjected to heat-shrinkage; during pre-tightening, if the actual length of the traction rope is smaller than the preset length of the traction rope, the spring is in a stretched state, and the stretching amount of the spring and the actual length of the traction rope are equal to the preset length of the traction rope; if the actual length of the provided traction rope is greater than the preset length of the traction rope, external force can be applied to the spring to enable the spring to stretch along the direction far away from the snake bone, one end, close to the snake bone, of the spring is in a contraction state, the traction rope is stretched along the direction far away from the snake bone, and the contraction amount of the spring subtracted from the actual length of the traction rope is equal to the preset length of the traction rope; after the pretension is accomplished, heat the pyrocondensation pipe for during the hot melt adhesive can permeate the gap of spring, the spring was fixed by the hot melt adhesive this moment, no longer has elasticity, has restricted the spring and has been in slip and rotation in the pyrocondensation pipe have avoided the haulage rope to take place to twist reverse, and the haulage rope pretension mechanism that forms this moment can be rigid drive haulage rope, realizes the snake bone that is connected with the haulage rope along the bending of equidirectional not.
Example two:
the embodiment two of the utility model provides an endoscope handle, a serial communication port, include: the device comprises a turntable 10 and a traction rope pre-tightening structure 20 as described above, wherein one end of the pre-tightening structure 20 is fixedly connected with the turntable 10;
alternatively, one end of the pretensioning structure 20 is fixedly connected with the turntable 10 through a pulling rope 30.
Further, the pulling rope 30 goes around the edge of the turntable 10, and both ends of the pulling rope 30 are connected to the pre-tightening structure 20.
In the above solution, the turntable 10 and the pre-tightening structure 20 are both installed in the handle of the endoscope, and the connection mode between the pre-tightening structure 20 and the turntable can be three types as follows:
in the first type, as shown in fig. 1, the connecting parts are symmetrically arranged along the center in the groove at the edge of the turntable, and one end of the first connecting piece 23 in the pre-tightening structure 20, which is far away from the spring, is fixedly connected with the connecting parts.
Secondly, as shown in fig. 2, the connecting parts are symmetrically arranged along the center in the groove at the edge of the turntable, and one end of the first connecting piece 23 in the pre-tightening structure 20, which is far away from the spring, is connected with the connecting part on the turntable through a traction rope 30.
Thirdly, two pre-tightening structures 20 are respectively arranged along two sides of the rotary disc, the traction rope 30 goes around the groove on the edge of the rotary disc 10, and two ends of the traction rope are respectively fixedly connected with one end, far away from the spring, of the first connecting piece 23 in the pre-tightening structure 20 on the corresponding side.
Example three:
the third embodiment of the utility model provides an endoscope, including foretell endoscope handle.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A leash pretensioning structure (20), characterized in that it comprises:
the adjusting device comprises an adjusting layer (22), wherein one end of the adjusting layer (22) is connected with a traction rope (30);
a fixing layer (21), the fixing layer (21) being distributed along an axial direction of the adjustment layer (22);
the fixing layer (21) is used for limiting the axial sliding of the adjusting layer (22) along the fixing layer (21);
the adjusting layer (22) is an elastic element.
2. A pull-cord pretensioning structure (20) according to claim 1, characterized in that the pretensioning structure (20) further comprises a first coupling member (23) and a second coupling member (24);
one end of the first connecting piece (23) is fixedly connected with one end of the adjusting layer (22);
one end of the second connecting piece (24) is fixedly connected with the other end of the adjusting layer (22), and the other end of the second connecting piece (24) is fixedly connected with the traction rope (30).
3. The leash pretensioning structure (20) of claim 1, wherein the adjustment layer (22) is a spring.
4. The leash pretensioning structure (20) of claim 1, wherein the anchoring layer (21) is a heat shrink tube.
5. The pull-cord pretensioning structure (20) according to claim 4, wherein the heat-shrinkable tube has a hot-melt adhesive inside, by which the adjustment layer (22) is restricted from sliding relative to the fixing layer (21) in the axial direction of the fixing layer (21).
6. A pull-cord pretensioning arrangement (20) according to claim 2, characterized in that at least one of the first (23) and second (24) coupling elements is provided with a guide (231,241) at one end.
7. The pull-cord pretensioning structure (20) according to claim 2, characterized in that the first (23) and second (24) connectors each have a cross-sectional diameter equal to the cross-sectional diameter of the adjustment layer (22).
8. An endoscope handle, comprising: -a turntable (10) and a pull-cord pretensioning structure (20) according to any of claims 1-5, one end of the pretensioning structure (20) being fixedly connected to the turntable (10);
or one end of the pre-tightening structure (20) is fixedly connected with the turntable (10) through a traction rope (30).
9. An endoscope handle according to claim 8, characterized in that said pull cord (30) is passed around the edge of said turntable (10), both ends of said pull cord (30) being connected to said pretensioning structure (20).
10. An endoscope, comprising an endoscope handle according to any of claims 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221191263.1U CN217365784U (en) | 2022-05-18 | 2022-05-18 | Haulage rope pretension structure, endoscope handle and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221191263.1U CN217365784U (en) | 2022-05-18 | 2022-05-18 | Haulage rope pretension structure, endoscope handle and endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217365784U true CN217365784U (en) | 2022-09-06 |
Family
ID=83086850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221191263.1U Active CN217365784U (en) | 2022-05-18 | 2022-05-18 | Haulage rope pretension structure, endoscope handle and endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217365784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2022
- 2022-05-18 CN CN202221191263.1U patent/CN217365784U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2023221617A1 (en) * | 2022-05-18 | 2023-11-23 | 湖南省华芯医疗器械有限公司 | Traction rope pre-tightening 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114938937A (en) | Haulage rope pretension structure, endoscope handle and endoscope | |
| US8083879B2 (en) | Non-metallic, multi-strand control cable for steerable instruments | |
| CN108968890B (en) | Master-slave flexible robotic endoscope system | |
| JP6167041B2 (en) | Introduction assembly for articulated robotic probes | |
| CN217365784U (en) | Haulage rope pretension structure, endoscope handle and endoscope | |
| US20100198016A1 (en) | Biological navigation device | |
| ATE284729T1 (en) | MEDICAL GUIDE WIRE | |
| JPH0288024A (en) | Mini scope | |
| CN103931067B (en) | Anchoring for cable distribution | |
| WO2015096740A1 (en) | Adjustable bent sheath tube | |
| CN101822573A (en) | Deflectable sheath introducer | |
| CN103189017A (en) | Device intended to be attached to or interconnected with a catheter, catheter and method | |
| CN112076379B (en) | Hand-held multi-degree-of-freedom controllable intervention guide wire and intervention device | |
| JP6427673B2 (en) | manipulator | |
| CN114010914A (en) | Children hemodialysis pipe fixing device | |
| EP2030884A3 (en) | Aerobar assembly | |
| EP2401952B1 (en) | Endoscope apparatus | |
| CN210871993U (en) | Orthopedic minimally invasive steel wire guiding structure | |
| CN114631891A (en) | Flexible surgical robot | |
| CN114668432A (en) | Integral type surgical robot is diagnose through natural chamber way | |
| TWI757564B (en) | Artificial contractile structure, medical device and method of manufacturing an artificial contractile structure | |
| CN216676033U (en) | Sheath pipe, intervention apparatus conveyor and conveying system | |
| JP3739515B2 (en) | Endoscope | |
| CN220089435U (en) | Skeleton texture and endoscope of endoscope | |
| CN220735791U (en) | Stomach tube fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |