CN219089208U - Endoscope and insertion assembly thereof - Google Patents

Abstract

The utility model relates to an endoscope and an insertion assembly thereof, wherein the endoscope comprises a handle and the insertion assembly, the insertion assembly comprises a traction wire, a protection tube and a snake bone, the protection tube is sleeved on the traction wire, a mounting hole and a wiring hole communicated with the mounting hole are formed in the snake bone, the wiring hole and the mounting hole extend along the length direction of the snake bone, and the protection tube is arranged in the mounting hole in a penetrating manner so that the traction wire is arranged in the wiring hole in a penetrating manner. The outer wall of the snake bone is also provided with the glue filling hole communicated with the mounting hole, so that when the snake bone is connected, the connecting glue is filled between the protection tube and the snake bone only through the glue filling hole, and the protection tube is fixed on the snake bone through the connecting glue. The endoscope and the insertion component thereof have simple connection process of the protection tube and the snake bone. When in use, the rotating wheel of the handle is rotated, and the traction wire is adjusted through the winding piece so as to adjust and realize the bending of the snake bone. And in the adjusting process, the traction wire can be effectively protected through the protection tube, so that the influence of external factors is avoided, and the stability of normal use is ensured.

Description

Endoscope and insertion assembly thereof

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an endoscope and an insertion assembly thereof.

Background

With the development of medical technology, endoscopic technology has emerged. Endoscopes are used to visually inspect difficult-to-reach locations of organs and the like in the human body to observe pathological conditions. Generally, the endoscope comprises a traction wire, a snake bone and a handle, one end of the traction wire is connected with the handle, the other end of the traction wire is connected with the snake bone, and the traction wire is pulled by operating the handle, so that the snake bone is controlled to bend in different directions, and the use and the observation are facilitated. The traction wire may be affected by external factors in the traction process, so that the adjustment of the bending angle of the snake bone is affected. Traditional mode is through setting up the protective sheath on the traction wire in order to guarantee that the traction wire can not receive external factor influence. However, the conventional traction wire protective case has a complicated installation structure, thereby resulting in a complicated assembly process.

Disclosure of Invention

Based on this, it is necessary to provide an endoscope and an insertion assembly thereof against the problem that the conventional pull wire protective cover is complicated in mounting structure, thereby resulting in complicated assembly process.

An insertion assembly of an endoscope, the insertion assembly comprises a traction wire, a protection tube and a snake bone, and the protection tube is sleeved on the traction wire; the snake bone is provided with a mounting hole, the snake bone is also provided with a wiring hole communicated with the mounting hole, the wiring hole and the mounting hole extend along the length direction of the snake bone, the protection tube is arranged in the mounting hole in a penetrating way, and the traction wire is arranged in the wiring hole in a penetrating way; the outer wall of the snake bone is also provided with a glue filling hole which is communicated with the mounting hole; the glue filling hole is used for setting connection glue between the protection tube and the snake bone.

In one embodiment, the glue filling hole is formed in the outer wall of the snake bone corresponding to the mounting hole, and the glue filling hole is located at a position close to the communication position of the wiring hole and the mounting hole.

In one embodiment, the glue-pouring hole is a strip-shaped hole along the length direction of the snake bone.

In one embodiment, a limiting structure is arranged at the communication part of the wiring hole and the mounting hole, and the protection tube is limited on the limiting structure.

In one embodiment, the aperture of the mounting hole is larger than the aperture of the wiring hole, and the aperture fall at the communication position of the mounting hole and the wiring hole forms the limit structure.

In one embodiment, the protective tube is a capillary tube or a spring tube.

In one embodiment, the connection glue is UV glue.

In one embodiment, the insertion assembly of the endoscope further comprises an insertion tube, a communication hole is formed in the insertion tube, the insertion tube is connected to one end of the snake bone, the communication hole is communicated with the mounting hole, one end of the protection tube penetrates through the mounting hole, and the other end of the protection tube penetrates through the communication hole.

In one embodiment, the snake bone is provided with a first clamping structure, the insertion tube is provided with a second clamping structure, and the second clamping structure is clamped with the first clamping structure.

In one embodiment, the endoscope insertion assembly further comprises a tip attached to the other end of the snake bone remote from the insertion tube.

An endoscope comprising a handle and an insertion assembly as described above, the handle comprising a housing, a runner rotatably disposed within the housing, and a wire wrap disposed on the runner; the traction wire penetrates through the protection tube and is connected to the winding piece.

Above-mentioned endoscope and insert subassembly thereof, the protection pipe is located on the traction wire, has seted up the mounting hole on the snake bone and has walked the line hole with the mounting hole intercommunication, walks line hole and mounting hole and all extends along the length direction of snake bone, and the traction wire passes the protection pipe and wears to locate to walk in the line hole. The outer wall of the snake bone is also provided with the glue filling hole communicated with the mounting hole, so that when the snake bone is connected, the connecting glue is filled between the protection tube and the snake bone only through the glue filling hole, and the protection tube is fixed on the snake bone through the connecting glue, so that the fixation of the snake bone and the protection tube is realized. The endoscope and the insertion component thereof have simple connection process of the protection tube and the snake bone. When in use, the rotating wheel of the handle is rotated, and the traction wire is adjusted through the winding piece so as to adjust and realize the bending of the snake bone. And in the adjusting process, the traction wire can be effectively protected through the protection tube, so that the influence of external factors is avoided, and the stability of normal use is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Moreover, the figures are not drawn to a 1:1 scale, and the relative sizes of various elements are merely exemplary in the figures, and are not necessarily drawn to true scale. In the drawings:

FIG. 1 is a schematic illustration of an insert assembly in one embodiment;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a cross-sectional view of the insert assembly shown in fig. 2.

Reference numerals illustrate:

100. an insert assembly; 110. a traction wire; 120. a protective tube; 130. snake bone; 131. a mounting hole; 132. a wiring hole; 133. a glue filling hole; 134. a first clamping structure; 135. a connection part; 140. an insertion tube; 142. a communication hole; 144. a second clamping structure; 150. a tip.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 3, an endoscope according to an embodiment of the present utility model includes a handle and an insertion assembly 100, wherein the insertion assembly 100 is connected to the handle, and the insertion assembly 100 is conveniently manipulated by the handle.

Specifically, the insertion assembly 100 includes a traction wire 110, a protection tube 120, and a snake bone 130, wherein the protection tube 120 is sleeved on the traction wire 110; the snake bone 130 is provided with a mounting hole 131, the snake bone 130 is also provided with a wiring hole 132 communicated with the mounting hole 131, the wiring hole 132 and the mounting hole 131 extend along the length direction of the snake bone 130, the protection tube 120 is arranged in the mounting hole 131 in a penetrating manner, and the traction wire 110 is arranged in the wiring hole 132 in a penetrating manner; the outer wall of the snake bone 130 is also provided with a glue filling hole 133, and the glue filling hole 133 is communicated with the mounting hole 131; the glue filling hole 133 is used for setting a connection glue between the protection tube 120 and the snake bone 130.

The endoscope and the insertion assembly 100 thereof are provided, the protection tube 120 is sleeved on the traction wire 110, the snake bone 130 is provided with a mounting hole 131 and a wiring hole 132 communicated with the mounting hole 131, the wiring hole 132 and the mounting hole 131 extend along the length direction of the snake bone 130, and the traction wire 132 passes through the protection tube 120 and is arranged in the wiring hole 132. Since the outer wall of the snake bone 130 is also provided with the glue filling hole 133 communicated with the mounting hole 131, when in connection, the connecting glue is only required to be filled between the protection tube 120 and the snake bone 130 through the glue filling hole 133, and the protection tube 120 is fixed on the snake bone 130 through the connecting glue, so that the fixation of the snake bone 130 and the protection tube 120 is realized. The endoscope and the insertion assembly 100 thereof have simple connection process of the protection tube 120 and the snake bone 130.

In an embodiment, the glue filling hole 133 is formed on an outer wall of the snake bone 130 corresponding to the mounting hole 131, and the glue filling hole 133 is located near a communication position between the routing hole 132 and the mounting hole 131. By arranging the glue filling holes 133 to correspond to the mounting holes 131, the connection glue is conveniently arranged between the protection tube 120 and the snake bone 130. Meanwhile, the glue filling hole 133 is located near the connection position between the wire hole 132 and the mounting hole 131, so as to ensure that the protection tube 120 is stably arranged in the mounting hole 131, and avoid the protection tube 120 from moving due to the movement of the traction wire 110 in the wire hole 132.

In one embodiment, the glue-pouring hole 133 is a bar-shaped hole along the length direction of the snake bone 130. Through the glue filling hole 133 that sets up the bar, be convenient for increase and set up the setting area that connects the glue, increase the fixed connection length of protection tube 120 and snake bone 130 at the length direction of snake bone 130, improve the stability of connection. In other embodiments, the glue-pouring hole 133 may be a hole with other shapes such as a round hole.

In this embodiment, the connection glue is UV glue. The UV glue has high bonding strength, high curing speed, high transparency after curing, no yellowing for a long time and no whitening; meanwhile, the UV glue has no VOC volatile matter and no pollution to the ambient air. In other embodiments, the connection glue may be other glue that can achieve connection of the protective tube 120 to the snake bone 130.

In an embodiment, a limiting structure is disposed at a communication position between the routing hole 132 and the mounting hole 131, and the protection tube 120 is limited on the limiting structure. The protective tube 120 can be effectively limited in the mounting hole 131 by arranging the limiting structure, and the mounting position of the protective tube 120 is ensured.

Specifically, the aperture of the mounting hole 131 is larger than the aperture of the routing hole 132, and the aperture drop at the communication position of the mounting hole 131 and the routing hole 132 forms the limit structure. When the protection tube 120 is installed in the mounting hole 131 through the side of the mounting hole 131 away from the routing hole 132, the protection tube can be abutted to the limiting structure.

In other embodiments, a limiting protrusion may be further disposed at the connection position between the mounting hole 131 and the routing hole 132 to form a limiting structure, and the protection tube 120 is abutted to the limiting protrusion. In another embodiment, a limiting protrusion may be further disposed at the end of the protection tube 120, where the connection between the routing hole 132 and the mounting hole 131 is provided with a limiting groove, and the limiting protrusion is disposed in the limiting groove for limiting.

In one embodiment, the protecting tube 120 is a capillary tube, so as to avoid the influence of the diameter of the insertion assembly 100 increased by the protecting tube 120. In another embodiment, the protective tube 120 may also be a spring tube. The spring tube has a deformation allowance, and the protection tube 120 can effectively adapt to the change of the traction wire 110 in the process of pulling the traction wire 110, thereby effectively protecting the traction wire 110. In other embodiments, the protection tube 120 may be other types of tubes, so long as the pull wire 110 can be effectively protected, and the pull wire 110 is not affected by external factors.

In an embodiment, the insertion assembly 100 of the endoscope further includes an insertion tube 140, a communication hole 142 is formed in the insertion tube 140, the insertion tube 140 is connected to one end of the snake bone 130, the communication hole 142 is communicated with the mounting hole 131, one end of the protection tube 120 is disposed in the mounting hole 131 in a penetrating manner, and the other end of the protection tube is disposed in the communication hole 142 in a penetrating manner. In this embodiment, the insertion tube 140 is connected to one end of the snake bone 130 provided with the mounting hole 131.

Specifically, the snake bone 130 is provided with a first clamping structure 134, the insertion tube 140 is provided with a second clamping structure 144, and the second clamping structure 144 is clamped with the first clamping structure 134. By the cooperation of the first clamping structure 134 and the second clamping structure 144, the effective connection between the insertion tube 140 and the snake bone 130 is ensured.

Further, a connection portion 135 is formed at one end of the snake bone 130 provided with the mounting hole 131, a first clamping structure 134 is formed on the connection portion 135, and the second clamping structure 144 is clamped with the first clamping structure 134. In this embodiment, a clamping hole communicating with the mounting hole 131 is formed on the inner wall of the connecting portion 135, the clamping hole is a first clamping structure 134, a buckle is formed on the outer wall of the insertion tube 140, the buckle is a second clamping structure 144, and one end of the insertion tube 140 is inserted into the snake bone 130, so that the buckle can be clamped in the clamping hole.

In other embodiments, the second clamping structure 144 may also be a clamping hole, and the first clamping structure 134 may also be a buckle, so long as the clamping between the first clamping structure 134 and the second clamping structure 144 can be ensured.

Referring to fig. 1, in one embodiment, the insertion assembly 100 further includes a tip 150, the tip 150 being connected to the other end of the snake bone 130 remote from the insertion tube 140. By arranging the tip 150, components such as a camera and a light source are conveniently installed on the tip 150, and further the use is convenient.

In one embodiment, the handle of the endoscope comprises a housing, a rotating wheel and a winding piece, wherein the rotating wheel is rotatably arranged in the housing, and the winding piece is arranged on the rotating wheel; the traction wire 110 is connected to the winding member through the protection tube 120.

In use, the handle is turned to rotate the wheel, and the pull wire 110 is adjusted by the wire winding member to adjust and achieve bending of the snake bone 130. In the adjusting process, the traction wire 110 can be effectively protected through the protection tube 120, so that the influence of external factors is avoided, and the stability of normal use is ensured.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Claims (10)

1. An insertion assembly for an endoscope, the insertion assembly comprising:

a traction wire;

the protection pipe is sleeved on the traction wire; a kind of electronic device with high-pressure air-conditioning system

The snake bone is provided with a mounting hole, the snake bone is also provided with a wiring hole communicated with the mounting hole, the wiring hole and the mounting hole extend along the length direction of the snake bone, the protection tube is arranged in the mounting hole in a penetrating manner, and the traction wire is arranged in the wiring hole in a penetrating manner; the outer wall of the snake bone is also provided with a glue filling hole which is communicated with the mounting hole; the glue filling hole is used for setting connection glue between the protection tube and the snake bone.

2. The endoscope insertion assembly of claim 1, wherein the glue-pouring hole is formed in an outer wall of the snake bone corresponding to the mounting hole, and the glue-pouring hole is located at a position close to a communication position of the wiring hole and the mounting hole.

3. The endoscope insertion assembly of claim 2, wherein the glue-pouring aperture is a bar-shaped aperture along a length of the snake bone.

4. The endoscope insertion assembly according to claim 1, wherein a limiting structure is arranged at a communication position of the wiring hole and the mounting hole, and the protection tube is limited on the limiting structure.

5. The endoscope insertion assembly of claim 4, wherein the mounting hole has a larger aperture than the trace hole, and wherein an aperture drop at which the mounting hole communicates with the trace hole forms the limit structure.

6. The endoscope insertion assembly of any one of claims 1-5, wherein the protective tube is a capillary tube or a spring tube; and/or

The connecting glue is UV glue.

7. The endoscope insertion assembly according to any one of claims 1 to 5, further comprising an insertion tube, wherein a communication hole is formed in the insertion tube, the insertion tube is connected to one end of the snake bone, the communication hole is communicated with the mounting hole, one end of the protection tube is inserted into the mounting hole, and the other end of the protection tube is inserted into the communication hole.

8. The endoscope insertion assembly of claim 7, wherein the snake bone is provided with a first clamping structure and the insertion tube is provided with a second clamping structure, the second clamping structure being clamped with the first clamping structure.

9. The endoscope insertion assembly of claim 7, further comprising a tip attached to the other end of the snake bone remote from the insertion tube.

10. An endoscope, the endoscope comprising:

the handle comprises a shell, a rotating wheel and a winding piece, wherein the rotating wheel is rotatably arranged in the shell, and the winding piece is arranged on the rotating wheel; a kind of electronic device with high-pressure air-conditioning system

The insert assembly as claimed in any one of claims 1 to 9, wherein the pull wire is connected to the wire winding member through the protective tube.

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