Disposable endoscope operation part

Abstract

The utility model relates to the technical field of endoscopes, in particular to a disposable endoscope operation part. The disposable endoscope operation part comprises a shell and a three-way connector arranged in the shell, a clamping part used for installing the three-way connector is arranged on the inner wall of the shell, and a fixing groove used for being matched with the clamping part and a connecting groove used for being connected with a working channel pipe are formed in the outer surface of the three-way connector. The three-way connector comprises a first end pipe, a second end pipe connected with the first end pipe and a branch through pipe connected with the first end pipe and the second end pipe. The utility model has the advantages of simple structure and low cost, and is convenient to install in a clamping way.

Description

Technical Field

[0001] The utility model relates to the technical field of endoscopes, in particular to a disposable endoscope operating part. Background Art

[0002] An endoscope usually consists of an insertion part, a connection part, and an operating part. The operating part of an existing endoscope generally uses a three-way connector to realize functions such as working channels and cleaning, and is usually composed of more than a dozen parts such as a three-way connector, a stainless steel pipe, and a plug clamp. The traditional endoscope has a precise structure, and it is difficult to disassemble the parts one by one for cleaning and disinfection, which increases the risk of cross-infection among patients.

[0003] To solve the above problems, disposable endoscope products have appeared in the field. However, the operating part of the endoscope, especially the three-way joint used for the operating part, is usually relatively complex in structure and has a high cost. In the application of disposable endoscopes, reuse is still required, and when used in disposable endoscopes, installation is inconvenient. Utility Model Content

[0004] The utility model aims to solve the problems of the existing endoscope operating part, especially the three-way joint, which has a complex structure, high cost and inconvenient installation.

[0005] In order to solve the above problems, the utility model proposes a disposable endoscope operating part, including a shell and a three-way joint arranged in the shell, the inner wall of the shell is provided with a clamping part for installing the three-way joint, the outer surface of the three-way joint is provided with a fixing groove for cooperating with the clamping part, and a connecting groove for connecting a working channel tube; and the three-way joint includes a first end tube, a second end tube connected to the first end tube, and a branch tube connected to both the first end tube and the second end tube.

[0006] Further, the first end tube includes a first end tube head end and a first end tube tail end, the second end tube includes a second end tube head end and a second end tube tail end, and the branch tube includes a branch tube head end and a branch tube tail end; the first end tube tail end, the second end tube tail end and the branch tube tail end are connected to each other; and the first end tube has a first interface located at the first end tube head end, the second end tube includes a second interface located at the second end tube head end, and the branch tube includes a third interface located at the branch tube head end.

[0007] Further, the fixing groove includes a first fixing groove provided on the outer surface of the first end tube, a second fixing groove provided on the outer surface of the second end tube, and a third fixing groove provided on the outer surface of the branch tube. The clamping part includes a first clamping piece connected to the first fixing groove, a second clamping piece connected to the second fixing groove, and a third clamping piece connected to the third fixing groove. The connecting groove includes a first connecting groove provided on the outer surface of the first end tube and located between the first fixing groove and the first interface, and a second connecting groove provided on the outer surface of the second end tube and located between the second fixing groove and the second interface.

[0008] Furthermore, the outer diameter of the first end tube tail end is greater than the outer diameter of the first end tube head end; the outer diameter of the second end tube tail end is greater than the outer diameter of the second end tube head end. The outer diameter of the first interface gradually increases from the first end tube head end to the first end tube tail end, and the outer diameter of the second interface gradually increases from the second end tube head end to the second end tube tail end.

[0009] Preferably, the center line of the first end tube coincides with the center line of the second end tube. The center line of the branch tube and the center line of the second end tube are arranged at an angle of 40 to 60 degrees.

[0010] Preferably, the third interface is a Luer interface.

[0011] Compared with the prior art, the technical solution of the utility model has the following beneficial effects: simple structure, low cost, and convenient installation through a snap-on method. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is an isometric sectional view of the three-way joint of the utility model.

[0014] Figure 2 It is a cross-sectional view of the three-way joint of the utility model.

[0015] Figure 3 It is a schematic diagram of the partial assembly of the endoscope operating part of the utility model.

[0016] Figure 4 It is a partial exploded structural diagram of the endoscope operating part of the utility model.

[0017] In the figure:

[0018] 1-shell; 11-clamping part; 111-first clamping piece; 112-second clamping piece; 113-third clamping piece; 12-branch channel; 2-first end tube; 21-first interface; 22-first fixing groove; 23-first connecting groove; 24-first end tube head end; 25-first end tube tail end; 3-second end tube; 31-second interface; 32-second fixing groove; 33-second connecting groove; 34-second end tube head end; 35-second end tube tail end; 4-branch through tube; 41-third interface; 42-third fixing groove; 43-branch through tube head end; 44-branch through tube tail end. DETAILED DESCRIPTION

[0019] The following will describe in detail a specific embodiment of the utility model in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the description of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The orientation or position relationship indicated by the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of description and simplified description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation on the utility model.

[0021] The terms "first", "second", etc. are merely used to distinguish elements of similar nature, and do not indicate or imply relative importance or a particular order.

[0022] The terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of the elements listed and may also include additional elements not expressly listed.

[0023] See also Figure 1-4The utility model provides a disposable endoscope operating part, comprising a shell 1 and a three-way joint arranged in the shell 1. The three-way joint comprises a first end tube 2, a second end tube 3 connected to the first end tube 2, and a branch tube 4 connected to both the first end tube 2 and the second end tube 3; the first end tube 2 comprises a first end tube head end 24 and a first end tube tail end 25, the second end tube 3 comprises a second end tube head end 34 and a second end tube tail end 35, the branch tube 4 comprises a branch tube head end 43 and a branch tube tail end 44; the first end tube tail end 25, the second end tube tail end 35 and the branch tube tail end 44 are connected to each other; and the first end tube 2 comprises a first interface 21 located at the first end tube head end 24, the second end tube 3 comprises a second interface 31 located at the second end tube head end 34, and the branch tube 4 comprises a third interface 41 located at the branch tube head end 43.

[0024] Furthermore, the shell 1 is prismatic or conical, and the first end tube 2 and the second end tube 3 are accommodated in the shell 1, constituting a part of the working channel of the endoscope; a through hole for the passage of instruments is opened on the side wall of the shell 1, and preferably, the shell 1 protrudes outward in a direction of 40 to 60 degrees with its center line to form a branch channel 12 for the passage of instruments, and the branch tube 4 is accommodated in the branch channel 12 and extends therefrom.

[0025] During installation, the first interface 21 and the second interface 31 are connected to the first working channel tube and the second working channel tube respectively. For example, when used for a bronchial endoscope, the second working channel tube is a suction tube, and the second interface 31 is connected to the suction tube to form a working channel for the circulation of liquids, etc. The third connector is used to connect to surgical instruments. In a specific embodiment, the third interface 41 is a Luer connector, which can be connected to a surgical instrument adapted to the third interface, so as to perform sampling and other operations.

[0026] like Figure 1 As shown, preferably, the three-way connector is Y-shaped. In a specific embodiment, the center line of the first end tube 2 coincides with the center line of the second end tube 3, thereby improving the smoothness of liquid flow in the first end tube 2 and the second end tube 3 when in use. The center line of the first end tube 2 and the center line of the second end tube 3 may not coincide, for example, they may be arranged at an acute angle, which can adapt to different internal structures of the operating parts.

[0027] like Figure 2 As shown, further, the center line of the branch tube 4 and the center line of the second end tube 3 are arranged at an angle of 40 to 60 degrees, so as to facilitate the surgical instrument to enter the first end tube 2 through the branch tube 4.

[0028] Furthermore, the outer diameter of the first end tube tail end 25 of the first end tube 2 is larger than the outer diameter of the first end tube head end 24; the outer diameter of the second end tube tail end 35 of the second end tube 3 is larger than the outer diameter of the second end tube head end 34. Thus, the strength of the first end tube 2, the second end tube 3 and the branch through tube 4 at the connection is increased.

[0029] like Figure 3 , Figure 4 As shown, further, in a specific embodiment, a clamping portion 11 for mounting a three-way joint is provided on the inner wall of the housing 1, and the clamping portion 11 is preferably U-shaped, and a fixing groove for matching with the clamping portion 11 is provided on the outer surface of the three-way joint. When in use, by mounting the fixing groove on the three-way joint in the clamping portion 11 on the operating portion, installation can be facilitated. The number of the clamping portions 11 can be 1-3, and preferably 3, and the number of the fixing grooves is the same as the number of the clamping portions 11.

[0030] Preferably, the fixing groove includes a first fixing groove 22 provided on the outer surface of the first end tube 2, a second fixing groove 32 provided on the outer surface of the second end tube 3, and a third fixing groove 42 provided on the outer surface of the branch tube 4; and the clamping portion 11 includes a first clamping member 111 connected to the first fixing groove 22, a second clamping member 112 connected to the second fixing groove 32, and a third clamping member 113 connected to the third fixing groove 42; by fixing the three positions on the three-way joint, the installation is convenient and the connection reliability is improved. In another specific embodiment, the three-way joint and the operating portion can also be connected by means of threads, glue, etc.

[0031] Furthermore, the outer surface of the three-way joint is also provided with a connection groove for connecting the working channel tube, and the connection groove includes a first connection groove 23 provided on the outer surface of the first end tube 2 and located between the first fixed groove 22 and the first interface 21, and a second connection groove 33 provided on the outer surface of the second end tube 3 and located between the second fixed groove 32 and the second interface 31. When in use, the first working channel tube is sleeved at the first connection groove 23, and the second working channel tube is sleeved at the second connection groove 33. Further, the connection grooves are wrapped with a wire or a cable tie to improve the connection strength between the first end tube 2 and the first connection groove 23, and between the second end tube 3 and the second connection groove 33. Preferably, glue is applied to the connection groove after the wire or cable tie is connected to further improve the connection reliability. In addition, it is also possible to achieve connection by only applying glue when the working channel tube is sleeved at the connection groove without using a wire or a cable tie.

[0032] Furthermore, the outer diameter of the first interface 21 gradually increases from the first end tube head end 24 to the first end tube tail end 25, and the outer diameter of the second interface 31 gradually increases from the second end tube head end 34 to the second end tube tail end 35, thereby facilitating the connection of the first interface 21 and the second interface 31 with the first working channel tube and the second channel tube respectively.

[0033] Preferably, the three-way joint is an integrally formed structure, and the three-way joint can also be a structure formed by gluing the tail ends of the first end pipe 2, the second end pipe 3, and the branch pipe 4. The three-way joint of the utility model has a simple structure and low cost.

[0034] The above is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A disposable endoscope operating unit, characterized in that: The invention comprises a shell (1) and a three-way joint arranged in the shell (1); a clamping portion (11) for mounting the three-way joint is provided on the inner wall of the shell (1); a fixing groove for matching with the clamping portion (11) and a connecting groove for connecting a working channel pipe are provided on the outer surface of the three-way joint; and the three-way joint comprises a first end pipe (2), a second end pipe (3) connected to the first end pipe (2), and a branch pipe (4) connected to both the first end pipe (2) and the second end pipe (3).

2. The disposable endoscope operating part according to claim 1, characterized in that: The first end tube (2) comprises a first end tube head end (24) and a first end tube tail end (25), the second end tube (3) comprises a second end tube head end (34) and a second end tube tail end (35), and the branch tube (4) comprises a branch tube head end (43) and a branch tube tail end (44); the first end tube tail end (25), the second end tube tail end (35) and the branch tube tail end (44) are interconnected; and the first end tube (2) comprises a first interface (21) located at the first end tube head end (24), the second end tube (3) comprises a second interface (31) located at the second end tube head end (34), and the branch tube (4) comprises a third interface (41) located at the branch tube head end (43).

3. The disposable endoscope operating part according to claim 2, characterized in that: The fixing groove comprises a first fixing groove (22) provided on the outer surface of the first end tube (2), a second fixing groove (32) provided on the outer surface of the second end tube (3), and a third fixing groove (42) provided on the outer surface of the branch tube (4).

4. The disposable endoscope operating part according to claim 3, characterized in that: The clamping portion (11) comprises a first clamping piece (111) connected to the first fixing groove (22), a second clamping piece (112) connected to the second fixing groove (32), and a third clamping piece (113) connected to the third fixing groove (42).

5. The disposable endoscope operating part according to claim 3, characterized in that: The connecting groove comprises a first connecting groove (23) provided on the outer surface of the first end tube (2) and located between the first fixing groove (22) and the first interface (21), and a second connecting groove (33) provided on the outer surface of the second end tube (3) and located between the second fixing groove (32) and the second interface (31).

6. The disposable endoscope operating part according to claim 2, characterized in that: The outer diameter of the first end tube tail end (25) is greater than the outer diameter of the first end tube head end (24); and the outer diameter of the second end tube tail end (35) is greater than the outer diameter of the second end tube head end (34).

7. The disposable endoscope operating part according to claim 2, characterized in that: The outer diameter of the first interface (21) gradually increases from the first end pipe head end (24) to the first end pipe tail end (25), and the outer diameter of the second interface (31) gradually increases from the second end pipe head end (34) to the second end pipe tail end (35).

8. The disposable endoscope operating part according to claim 1, characterized in that: The center line of the first end tube (2) coincides with the center line of the second end tube (3).

9. The disposable endoscope operating part according to claim 8, characterized in that: The center line of the branch pipe (4) and the center line of the second end pipe (3) are arranged at an angle of 40 to 60 degrees.

10. The disposable endoscope operating part according to claim 2, characterized in that: The third interface (41) is a Luer interface.

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