CN216317504U - Waterproof handheld device and endoscope - Google Patents

Abstract

The utility model discloses a waterproof handheld device for an endoscope and the endoscope, wherein the waterproof handheld device comprises a shell, a guide pipe and a working pipe, the shell is provided with an assembling hole, the guide pipe is assembled in the shell, at least part of the working pipe is assembled in the assembling hole, the working pipe is sleeved outside the guide pipe, a first sealing element for sealing is arranged between the working pipe and the guide pipe, and a second sealing element for sealing is arranged between the outer wall of the working pipe and the wall of the assembling hole. The utility model improves the sealing performance by arranging the plurality of sealing elements, can prevent the disinfection liquid from entering the interior in the disinfection process and prolongs the service life.

Description

Waterproof handheld device and endoscope

Technical Field

The utility model relates to the technical field of endoscopes, in particular to a waterproof handheld device for an endoscope and an endoscope with the waterproof handheld device.

Background

With the development of science and technology, endoscopes have been widely used in medical fields, which can be inserted into body cavities and internal organs of a human body for observation, so as to facilitate diagnosis by doctors. The endoscope comprises a handheld part and an insertion part, the insertion part comprises a snake bone and an imaging component arranged on the snake bone, the snake bone can be bent at a certain angle under the control of the handheld part to drive the imaging component to move to a required position, and the imaging component can further acquire an image of a corresponding position to diagnose by a doctor. At present, an instrument channel is usually arranged on a handheld part of an endoscope, and a corresponding instrument can enter a human body through an inserting part to take part of human tissue for examination. For some reusable endoscopes, a sterilization process is required before reuse. However, some existing endoscope hand-held parts have sealing performance, but have complex structures and high cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waterproof handheld device for an endoscope, which has the advantages of simple structure, low cost and good sealing performance, and also provides an endoscope with the waterproof handheld device.

In order to achieve the above object, the present invention provides a waterproof handset for an endoscope, comprising:

the shell is provided with an assembling hole;

a guide tube fitted within the housing;

the working pipe is at least partially assembled in the assembly hole, the working pipe is sleeved outside the guide pipe, a first sealing piece for sealing is arranged between the working pipe and the guide pipe, and a second sealing piece for sealing is arranged between the outer wall of the working pipe and the hole wall of the assembly hole.

Preferably, waterproof hand-held device still includes the retaining member, the retaining member assemble in the mounting hole is located to the cover the outside of working tube, the retaining member with mounting hole threaded connection.

Preferably, the waterproof hand-held device further comprises a third sealing member fitted in the fitting hole, and the locking member is located between the third sealing member and the second sealing member.

Preferably, the locking member is provided with at least one mounting groove, the third sealing member is provided with at least one mounting protrusion, and each mounting protrusion is assembled in one mounting groove.

Preferably, an accommodating groove is formed in the outer wall of the working pipe, and the second sealing element is arranged in the accommodating groove.

Preferably, the outer wall of the working pipe is provided with a first limiting part, and a second limiting part matched with the first limiting part to realize limiting is arranged in the assembling hole.

Preferably, the housing is internally provided with a mounting seat for assembling the guide tube, the mounting seat comprises a base and an extension part formed by extending from the base to the outside, and the first sealing element is sleeved on the extension part.

Preferably, the casing includes first casing and second casing, first casing outwards extends and forms the installation department, the second casing cover is located on the installation department and be connected with first casing detachably, the junction of first casing and second casing is equipped with the fourth sealing member.

Preferably, the first shell comprises a body provided with an opening and a covering piece covering the opening, and a fifth sealing piece is arranged between the covering piece and the opening.

The utility model also discloses an endoscope which comprises the waterproof handheld device.

The utility model has the beneficial effects that:

the utility model improves the sealing performance by arranging the plurality of sealing elements, has the advantage of good sealing performance, can prevent the disinfectant from entering the interior in the disinfection process, prolongs the service life, and has the advantages of simple structure and low cost.

Drawings

FIG. 1 is a perspective schematic view of a waterproof hand held device;

FIG. 2 is a schematic cross-sectional view of the waterproof hand held device of FIG. 1;

FIG. 3 is an exploded view of the waterproof handset of FIG. 1;

FIG. 4 is an enlarged schematic view of portion A of FIG. 2;

FIG. 5 is an enlarged schematic view of portion B of FIG. 2;

fig. 6 is an enlarged schematic view of part C of fig. 3.

Reference numerals:

10. the sealing device comprises a shell, 11, an assembling hole, 12, a first limiting part, 13, a mounting seat, 131, a base, 132, an extending part, 14, a first shell, 14a, a body, 14b, a covering part, 15, a second shell, 20, a guide pipe, 30, a working pipe, 31, an accommodating groove, 32, a second limiting part, 33, a resisting part, 40, a first sealing element, 50, a second sealing element, 60, a locking element, 61, a mounting groove, 70, a third sealing element, 71 and a mounting protrusion.

Detailed Description

The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

Referring to fig. 1 to 3, a waterproof handheld device according to an embodiment of the present invention is disclosed, which is connected to an insertion portion (not shown) for manipulating the insertion portion, such as bending the insertion portion, and the like, wherein the insertion portion refers to a portion of an endoscope that can be inserted into a body cavity or an internal organ cavity of a human body. The waterproof handheld device comprises a shell 10, a guide pipe 20 and a working pipe 30, wherein the shell 10 is provided with an assembly hole 11, and the assembly hole 11 is used for installing the working pipe 30; a guide tube 20 is fitted in the housing 10 for moving the liquid or the instrument in a guide direction to enter the insertion portion; the working tube 30 is fitted into the fitting hole 11 of the housing 10, and the working tube 30 communicates with the guide tube 20 for allowing external liquid or instruments to enter the housing 10 and to enter the insertion portion through the guide tube 20.

As shown in fig. 2, the guide tube 20 is of a tubular member structure, and the working tube 30 is also of a tubular member structure. Since the working pipe 30 communicates with the guide pipe 20, a problem of liquid leakage is avoided in order to improve sealing performance. Between the working tube 30 and the guide tube 20, a first seal 40 is provided, namely: the first sealing member 40 is sleeved outside the guide tube 20, and the working tube 30 is sleeved outside the first sealing member 40. By arranging the first sealing element 40, the problem of liquid leakage in the communication process of the working pipe 30 and the guide pipe 20 can be avoided, and the service life is prolonged.

Referring to fig. 2 and 4, in order to prevent liquid (such as disinfectant) from entering the interior of the housing 10 through the fitting hole 11, at least one second sealing member 50 is further provided between the outer wall of the working tube 30 and the inner wall of the fitting hole 11. Through setting up second sealing member 50, can realize realizing sealed processing to pilot hole 11, avoid inside liquid gets into casing 10 through pilot hole 11, improve life. In this embodiment, the second sealing member 50 is a rubber ring, and the number of the second sealing members 50 can be set according to actual requirements.

Further, at least one receiving groove 31 is formed on an outer wall of the working tube 30, and a second sealing member 50 is received in each receiving groove 31. Of course, in other embodiments, the receiving groove 31 may be provided on the hole wall of the mounting hole 11, and may be provided according to actual requirements.

Further, in order to prevent the working pipe 30 from moving in the assembling hole 11, a first limiting portion 12 is disposed on a hole wall of the assembling hole 11, and a second limiting portion 32 which is matched with the first limiting portion 12 to realize limiting is disposed on the working pipe 30. In this embodiment, the first position-limiting portion 12 is a position-limiting step, and the second position-limiting portion 32 is a position-limiting protrusion, but in other embodiments, the first position-limiting portion 12 may also be a position-limiting protrusion, and the second position-limiting portion 32 is a position-limiting step, which may be set according to actual requirements.

Further, in order to achieve stable assembly of the working tube 30 in the assembly hole 11, the waterproof hand-held device further includes a locking member 60, the locking member 60 is assembled in the assembly hole 11 and sleeved outside the working tube 30, and the locking member 60 is threadedly coupled to the assembly hole 11. Meanwhile, the working tube 30 is provided with a stopper 33 abutting against the locking member 60 to prevent the working tube 30 from moving relative to the locking member 60. In practice, after the working tube 30 is fitted into the fitting hole 11, the locker 60 is further placed in the fitting hole 11 and rotated. When the locking member 60 is rotated into position, the locking member 60 abuts the abutment 33 on the work tube 30. The work tube 30 can be stably fitted into the fitting hole 11 by the second stopper portion 32 and the abutting portion 33.

Referring to fig. 2, 3 and 5, in order to prevent liquid from further entering the interior of the housing 10 through the assembly hole 11, a third sealing member 70 is further disposed in the assembly hole 11, the third sealing member 70 is sleeved outside the working tube 30, and the locking member 60 is located between the second sealing member 50 and the third sealing member 70. In practice, a third seal 70 is preferably provided at the entrance of the mounting hole 11 to prevent liquid from entering the mounting hole 11. In this embodiment, the third seal 70 is preferably a rubber pad.

Further, in order to prevent the third sealing member 70 from being separated from the fitting hole 11, the locker 60 is provided with at least one fitting groove 61, and the third sealing member 70 is provided with at least one fitting protrusion 71, each fitting protrusion 71 being detachably fitted in one fitting groove 61. In practice, after the third sealing member 70 is assembled in the assembly hole 11, each of the installation protrusions 71 is further installed in the corresponding installation groove 61, so as to fix the third sealing member 70. The connection is carried out by adopting a physical connection mode, so that connection modes such as bolts are avoided, the installation efficiency can be improved, and the maintenance is convenient.

Referring to fig. 3 and 6, in order to mount and fix the guide tube 20, a mounting seat 13 for mounting the guide tube 20 is disposed in the housing 10, the mounting seat 13 includes a base 131 and an extending portion 132 extending from the base 131 to the outside, a first receiving groove is formed on the base 131, and a second receiving groove communicated with the first receiving groove is formed on the extending portion 132. In practice, the guiding tube 20 is partially disposed in the first receiving groove, partially disposed in the second receiving groove, and the first sealing element 40 is disposed on the extending portion 132. The guide tube 20 can be assembled by providing the first receiving groove and the second receiving groove.

As shown in fig. 3, the housing 10 includes a first housing 14 and a second housing 15, and the first housing 14 is detachably connected to the second housing 15. Specifically, the first housing 14 is formed with a mounting portion 16 extending outward, and the mounting portion 16 is used for mounting the guide tube 20. The second housing 15 is sleeved outside the mounting portion 16 and detachably connected to the first housing 14, and the mounting hole 11 is formed in the second housing 15. In practice, the first housing 14 and the second housing 15 are connected by a screw connection, but in other embodiments, the first housing 14 and the second housing 15 may be detachably connected by other connection methods, such as a snap connection method, and the like.

Further, a fourth sealing member (not shown) is disposed at the connection between the first housing 14 and the second housing 15. By arranging the fourth sealing element, external liquid (such as disinfectant) can be prevented from entering the shell 10, and the service life is prolonged.

Further, the first housing 14 includes a body 14a provided with an opening and a cover 14b, and the cover 14b is used for covering the opening on the body 14 a. Some components, such as wheels, etc., may be fitted into the first housing 14 through the openings. A fifth seal is also provided on the closure 14 b. By providing the fifth sealing member, external liquid (such as disinfectant) can be prevented from entering the interior of the housing 10, and the service life of the housing can be prolonged.

The utility model also discloses an endoscope which comprises the snake bone control device. The endoscope may be a reusable electronic endoscope or a disposable electronic endoscope, which may be a bronchoscope, gastroscope, or the like.

The utility model has simple structure and low cost, improves the sealing performance by arranging a plurality of sealing elements, has the advantage of good sealing performance, can prevent the disinfectant from entering the interior in the disinfection process and prolongs the service life.

Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present patent application.

Claims (10)

1. A waterproof handset for an endoscope, the waterproof handset comprising:

the shell is provided with an assembling hole;

a guide tube fitted within the housing;

the working pipe is at least partially assembled in the assembly hole, the working pipe is sleeved outside the guide pipe, a first sealing piece for sealing is arranged between the working pipe and the guide pipe, and a second sealing piece for sealing is arranged between the outer wall of the working pipe and the hole wall of the assembly hole.

2. The waterproof handheld device of claim 1, further comprising a retaining member, wherein the retaining member is assembled in the assembly hole and sleeved outside the working tube, and the retaining member is in threaded connection with the assembly hole.

3. The waterproof handset of claim 2, further comprising a third seal that fits within the mounting aperture, the retaining member being positioned between the third seal and the second seal.

4. The waterproof handheld device of claim 3, said retaining member having at least one mounting groove therein, said third sealing member having at least one mounting protrusion thereon, each of said mounting protrusions fitting in one of said mounting grooves.

5. The waterproof handheld device of claim 1, wherein an accommodating groove is formed in an outer wall of the working tube, and the second sealing member is disposed in the accommodating groove.

6. The waterproof handheld device of claim 1, wherein the outer wall of the working tube is provided with a first limiting portion, and a second limiting portion which is matched with the first limiting portion to realize limiting is arranged in the assembly hole.

7. The waterproof handheld device of claim 1, wherein a mounting seat for mounting the guide tube is disposed in the housing, the mounting seat includes a base and an extension portion extending from the base to the outside, and the first sealing member is sleeved on the extension portion.

8. The waterproof handheld device of claim 1, the housing comprising a first housing and a second housing, the first housing extending outwardly to form an installation portion, the second housing being sleeved on the installation portion and detachably connected to the first housing, the joint of the first housing and the second housing being provided with a fourth sealing member.

9. The waterproof handheld device of claim 8, the first housing comprising a body having an opening and a closure member covering the opening, a fifth seal being disposed between the closure member and the opening.

10. An endoscope comprising the waterproof hand-held device of any one of claims 1 to 9.

Images