CN210749127U

CN210749127U - Endoscope working channel connection structure

Info

Publication number: CN210749127U
Application number: CN201921009840.9U
Authority: CN
Inventors: 林敏�; 杨长胜
Original assignee: SCANMED (CHINA) Ltd
Current assignee: SCANMED (CHINA) Ltd; Simai Co Ltd
Priority date: 2019-04-29
Filing date: 2019-06-28
Publication date: 2020-06-16
Anticipated expiration: 2029-06-28
Also published as: CN210727707U; CN213309607U; CN110811525A; CN211985342U; CN210541478U; CN110811492A; CN210541480U; CN211985382U; CN210749119U; CN210541479U; CN212261315U; CN210643982U; CN210541477U; CN210749149U; CN111839423A

Abstract

The utility model discloses an endoscope working channel connection structure belongs to endoscope technical field. The connecting structure comprises a working channel arranged on a soft lens main body and an inlet joint arranged on a soft lens handle, wherein the inlet joint comprises a joint body with a connecting cavity, a connecting channel used for connecting the working channel is arranged in the joint body, and the connecting channel is communicated with the connecting cavity; a first chamfer is arranged at one end of the connecting channel, which is far away from the connecting cavity; the end part of the working channel is inserted into the connecting channel of the inlet joint, and the working channel is bonded with the first chamfer. The utility model discloses a connection structure is through adopting the chamfer design for the working channel is easily installed and is fixed, is provided with the bearing plate simultaneously, plays the supporting role to the working channel, effectively avoids the yielding, the easy problem that drops of working channel.

Description

Endoscope working channel connection structure

Technical Field

The utility model relates to an endoscope technical field, concretely relates to endoscope working channel connection structure.

Background

An endoscope is a commonly used medical device, which includes a handle control end and an insertion assembly, wherein the insertion assembly is controlled by the handle control end to enter the body through a natural orifice of the human body or an orifice formed by an operation. The insertion assembly comprises a working end and a bending part, the working end is arranged at the far end of the bending part, the control end of the endoscope controls the bending part to bend directionally through the control rope, and the working end is guided into the body. The endoscope inserting assembly is internally provided with a working channel for air/water supply, the working channel of the endoscope in the prior art is usually connected with a working interface arranged between the bending part and the handle control end, the endoscope inserting assembly is not easy to install and fix and is difficult to seal, and meanwhile, the working channel at the joint is easy to deform and fall off due to the fact that the working channel is not supported.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an endoscope working channel connecting structure, which is designed by adopting chamfers, so that the working channel is easy to install and fix, is provided with a bearing plate, plays a supporting role for the working channel, and effectively avoids the problem that the working channel is easy to deform and fall off.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

an endoscope working channel connecting structure comprises a working channel arranged on a soft lens main body and an inlet joint arranged on a soft lens handle, wherein the inlet joint comprises a joint body with a connecting cavity, a connecting channel used for connecting the working channel is arranged in the joint body, and the connecting channel is communicated with the connecting cavity; a first chamfer is arranged at one end of the connecting channel, which is far away from the connecting cavity; the end part of the working channel is inserted into the connecting channel of the inlet joint, and the working channel is bonded with the first chamfer.

As a preferred embodiment of the present invention, a support plate for supporting the working channel is provided at a position of the joint body near the first chamfer.

As a preferred embodiment of the present invention, the supporting plate is provided with a groove matched with the working channel.

As the preferred embodiment of the present invention, the junction of the connecting channel and the connecting cavity is provided with a second chamfer.

As the preferred embodiment of the present invention, a clamping groove for installing the joint body is provided on the outer surface of the joint body.

In a preferred embodiment of the present invention, the length of the support plate is 1/3 to 1/2 of the joint body.

As a preferred embodiment of the present invention, the present invention further comprises a lens holder; the lens support is internally provided with a through hole matched with the working channel, a third chamfer is arranged at the inlet of the through hole, and the end part of the other end of the working channel is inserted into the through hole of the lens support.

As a preferred embodiment of the present invention, the outer surface of the end portion of the joint body provided with the connecting passage has a flange extending outward.

As the preferred embodiment of the present invention, the working channel is one of a rubber hose, a silica gel hose and a plastic hose.

As the preferred embodiment of the present invention, the plastic hose is made of one of PE, PP, PS, PVC, PC, PU and PET.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the endoscope working channel connecting structure adopts the chamfer design at the joint of the working channel and the access joint, is convenient for doping and installing the working channel, and then adopts the adhesive mode to fix the working channel, so that the working channel is firm in connection, not easy to fall off, good in sealing property, easy to install and small in occupied space; in addition, the support plate is arranged on the inlet joint, so that the working channel is supported, and the problem that the working channel is easy to deform and fall off is effectively solved.

Drawings

Fig. 1 is a schematic structural view of a connection structure of an endoscope working channel according to the present invention;

FIG. 2 is a sectional view of the endoscope working channel connecting structure according to the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of a portion B of FIG. 2 according to the present invention;

FIG. 5 is a schematic view of an access fitting according to the present invention;

the reference numbers illustrate: 1. a soft lens main body; 2. a soft lens handle; 3. a lens holder; 4. a bending section; 5. a working channel; 6. entering a joint; 61. a connector body; 62. a connecting cavity; 63. a connecting channel; 64. a first chamfer; 65. a second chamfer; 66. a support plate; 67. a groove; 68. a card slot; 7. and (7) third chamfering.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, in order to provide the connecting structure of the working channel 5 of the endoscope of the present invention, the connecting structure comprises a working channel 5 and an access joint 6; the working channel 5 is arranged in the soft lens main body 1 and the bending part 4, one end part of the working channel 5 is connected with the lens bracket 3, and the other end part is connected with the inlet joint 6 arranged in the soft lens handle 2. Specifically, as shown in fig. 3 to 5, the access connector 6 includes a connector body 61 having a connecting cavity 62, a locking groove 68 for mounting the connector body 61 is provided on an outer surface of the connector body 61, and the access connector 6 is locked to the soft lens handle 2 through the locking groove 68. Further, the outer surface of the end of the joint body 61 provided with the connecting channel is extended with a flange, which plays a role in positioning the installation of the joint body 61. A connecting channel 63 for connecting the working channel 5 is arranged in the joint body 61, and the connecting channel 63 is communicated with the connecting cavity 62; it is further preferred that the junction of the connecting channel 63 and the connecting cavity 62 is provided with a second chamfer 65 to facilitate the installation and insertion of the fiber bundle. The inner diameter of the connecting channel 63 is matched with the outer diameter of the working channel 5, so that the working channel 5 can be inserted into the connecting channel 63 with skill, the installation is easy, and the sealing performance can be ensured. The end of the connecting channel 63 remote from the connecting chamber 62 is provided with a first chamfer 64 to facilitate the mounting and insertion of the end of the working channel 5. The end part of the working channel 5 is inserted into the connecting channel 63 of the inlet joint 6, the working channel 5 is bonded with the first chamfer 64, the working channel 5 is fixed in an adhesive mode, the operation is simple, the working channel 5 is firm and reliable in connection, is not easy to fall off, has good sealing performance, is easy to install and occupies less space.

Further, in order to avoid the easy deformation of the working channel 5, a support plate 66 for supporting the working channel 5 is arranged at a position of the joint body 61 close to the first chamfer 64, and the support plate 66 extends outwards from the end of the joint body 61 to support the working channel 5, so that the problem that the working channel 5 is easy to deform and fall off is effectively avoided. Further preferably, the support plate 66 is provided with an arc-shaped groove 67 matched with the working channel 5, so that the support plate 66 is better attached to the working channel 5, better supports the working channel 5, and further prevents the working channel 5 from being easily deformed and falling off. Preferably, the length of the support plate 66 is 1/3-1/2 of the joint body 61, so that the support effect can be effectively ensured.

Similarly, in order to avoid the tip of working channel 5 to drop from lens holder 3, set up in lens holder 3 with working channel 5 assorted through-hole, the entrance of through-hole is provided with third chamfer 7, working channel 5's other end tip is pegged graft in lens holder 3's through-hole, and working channel 5 bonds with third chamfer 7, adopts sticky mode fixed working channel 5, easy operation, easily installation, firm in connection is reliable, be difficult for droing, the leakproofness is good. In order to increase the connection sealing performance of the working channel 5, the working channel 5 is one of a rubber hose, a silica gel hose and a plastic hose; wherein, the plastic hose is made of one of PE, PP, PS, PVC, PC, PU and PET.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. An endoscope working channel connection structure, characterized in that: the flexible endoscope comprises a working channel arranged on a flexible endoscope main body and an access joint arranged on a flexible endoscope handle, wherein the access joint comprises a joint body with a connecting cavity, a connecting channel used for connecting the working channel is arranged in the joint body, and the connecting channel is communicated with the connecting cavity; a first chamfer is arranged at one end of the connecting channel, which is far away from the connecting cavity; the end part of the working channel is inserted into the connecting channel of the inlet joint, and the working channel is bonded with the first chamfer.

2. The endoscope working channel connection structure according to claim 1, wherein: and a bearing plate for supporting the working channel is arranged at the position, close to the first chamfer, of the joint body.

3. The endoscope working channel connection structure according to claim 2, wherein: and the bearing plate is provided with a groove matched with the working channel.

4. The endoscope working channel connection structure according to claim 2, wherein: the length of the support plate is 1/3-1/2 of the joint body.

5. The endoscope working channel connection structure according to claim 1 or 2, wherein: and a second chamfer is arranged at the joint of the connecting channel and the connecting cavity.

6. The endoscope working channel connection structure according to claim 1 or 2, wherein: the outer surface of the joint body is provided with a clamping groove for mounting the joint body.

7. The endoscope working channel connection structure according to claim 1 or 2, wherein: the device also comprises a lens bracket; the lens support is internally provided with a through hole matched with the working channel, a third chamfer is arranged at the inlet of the through hole, and the end part of the other end of the working channel is inserted into the through hole of the lens support.

8. The endoscope working channel connection structure according to claim 1 or 2, wherein: the outer surface of the end part of the joint body, which is provided with the connecting channel, extends outwards to form a flange.

9. The endoscope working channel connection structure according to claim 1 or 2, wherein: the working channel is one of a rubber hose, a silica gel hose and a plastic hose.

10. The endoscope working channel connection structure of claim 9, wherein: the plastic hose is made of one of PE, PP, PS, PVC, PC, PU and PET.