CN216258734U

CN216258734U - Conduit connecting device

Info

Publication number: CN216258734U
Application number: CN202122515553.9U
Authority: CN
Inventors: 张洁; 熊冬梅; 张媛媛; 毕雪婷
Original assignee: Zigong First Peoples Hospital
Current assignee: Zigong First Peoples Hospital
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-12
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a catheter connecting device, which relates to the field of medical catheter connection and comprises a main connecting pipe and an auxiliary connecting pipe, wherein the pipe diameters of two ends of the auxiliary connecting pipe are different, the maximum pipe diameter of the main connecting pipe is smaller than that of the auxiliary connecting pipe, the main connecting pipe is matched with the auxiliary connecting pipe, and the pipe diameters of the main connecting pipe extending from the middle part to the two ends are gradually reduced. The diameters of the interfaces at the two ends are similar, and the middle part of the main connecting pipe is connected with the guide pipe; when one of the two end interfaces has overlarge pipe diameter, the auxiliary connecting pipe is matched with the main connecting pipe, and the end with the large pipe diameter of the auxiliary connecting pipe is used for being connected with the guide pipe; when one of the pipe diameters of the two end connectors is smaller, the threads at the main connecting pipe are provided with different large diameters, so that the problem that the pipe diameters of the two end connectors are not consistent and are not easy to connect or take down is solved.

Description

Conduit connecting device

Technical Field

The utility model relates to the field of medical catheter connection, in particular to a catheter connecting device.

Background

Various catheters are often involved in clinical work, sometimes for drainage purposes and sometimes for infusion purposes, and then in their use, a connecting tube is required. At present, the pipe diameters of connecting ports of most of catheters are unequal, and when the catheters need to be replaced or used, the replaced port and the replaced port are different in pipe diameter, so that the problems of difficult connection or difficult removal exist. The pipe diameter of the replaced interface is too small, so that the connection is not good or difficult, the replaced interface is too large and cannot be connected firmly, and the risk of separation is generated at any time; when the catheter is difficult to take down, the medical staff pulls out the catheter with force, the catheter can be damaged or liquid can splash, bed sheets, hands or bodies of the medical staff are polluted, the workload of the medical staff is increased, occupational exposure is caused, infectious related diseases are infected, and materials are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the pipe joints at two ends are not easy to connect or take down due to different pipe diameters, and aims to provide a pipe connecting device which solves the problem that the pipe joints are not easy to connect or take down due to different pipe diameters of the pipe bodies to be replaced.

The utility model is realized by the following technical scheme:

the utility model provides a pipe connecting device, includes main connecting pipe and vice connecting pipe, and above-mentioned vice connecting pipe both ends pipe diameter is different, and the biggest pipe diameter of above-mentioned main connecting pipe is less than the biggest pipe diameter of vice connecting pipe, above-mentioned main connecting pipe and vice connecting pipe looks adaptation.

The diameters of the interfaces at the two ends are similar, and the middle part of the main connecting pipe is connected with the guide pipe;

when one of the pipe diameters of the interfaces at the two ends is overlarge, the auxiliary connecting pipe is matched with the main connecting pipe, the end with the large pipe diameter of the auxiliary connecting pipe is used for being connected with the guide pipe, and the end with the small pipe diameter of the auxiliary connecting pipe is used for being connected with the main connecting pipe.

Furthermore, the big one end of above-mentioned vice connecting pipe diameter adopts the toughness material to make, and the preferred silica gel and the rubber that have of above-mentioned toughness material, when vice connecting pipe cup joints with the pipe, because of the connector of vice connecting pipe has toughness, even the pipe diameter is big also be applicable than the biggest pipe diameter of vice connecting pipe a lot of, and the compactness is good after connecting.

Furthermore, the main connecting pipe is of a pipe body structure with a large middle part and small two ends, when one pipe diameter of the interfaces at the two ends is small, the two ends of the main connecting pipe with small pipe diameter are connected with the catheter, and the main connecting pipe can also play a role in connection and drainage.

Furthermore, the pipe diameter of the main connecting pipe is gradually reduced from the middle part to the two ends, and when one pipe diameter of the two-end connector is smaller, the two ends of the main connecting pipe are connected with the guide pipe.

Further, a check valve is arranged in the main connecting pipe, and the check valve is preferably a duckbill valve to prevent liquid from flowing back to cause infection.

Furthermore, the two ends of the main connecting pipe are symmetrical, the same conduit can be connected with the two ends of the main connecting pipe, but the effect achieved by connecting the conduit with the different ends of the main connecting pipe is different.

Further, still include the pipe box, the mid portion of main connecting pipe is located to above-mentioned pipe box cover, and above-mentioned sleeve pipe adopts the foam to make, avoids the uncomfortable that rigid connector brought, also avoids causing the crushing wound to skin, and the sleeve pipe can be dismantled with main connecting pipe, is convenient for observe the inside condition.

Furthermore, the outside of the pipe sleeve is provided with an anti-skid structure, and the anti-skid structure preferably has anti-skid grains, anti-skid particles or anti-skid grooves.

Furthermore, the pipe sleeve is provided with a through hole for the adhesive tape to pass through, so as to achieve the purpose of fixing the catheter.

Furthermore, the outer wall of the auxiliary connecting pipe is provided with anti-skid particles, the pipe diameter of the joint of the auxiliary connecting pipe and the pipe is smaller than that of the pipe, force needs to be applied to the auxiliary connecting pipe during connection, and the anti-skid particles are arranged to have force application points during force application.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the maximum pipe diameter of the main connecting pipe is smaller than that of the auxiliary connecting pipe, the main connecting pipe is matched with the auxiliary connecting pipe, the pipe diameters of the interfaces at two ends are close, and the middle part of the main connecting pipe is connected with the guide pipe; when one of the pipe diameters of the interfaces at the two ends is too large, the auxiliary connecting pipe is matched with the main connecting pipe, and the large end of the pipe diameter of the auxiliary connecting pipe is used for being connected with the guide pipe, so that the problem that the pipe diameters of the interfaces at the two ends are not uniform and the connection is not easy or the connection is difficult to take down is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic view of a connection structure of a main connection pipe, an auxiliary connection pipe and a pipe sleeve according to the present invention;

FIG. 2 is a schematic structural diagram of a main connection pipe according to the present invention;

FIG. 3 is a cross-sectional view of a main connection pipe provided in the present invention;

FIG. 4 is a schematic structural view of a secondary connecting tube according to the present invention;

FIG. 5 is a schematic structural diagram of a pipe sleeve provided by the present invention;

FIG. 6 is a schematic view of a connection structure of a main connection pipe and an auxiliary connection pipe according to the present invention;

FIG. 7 is a schematic view of a connection structure of a main connection pipe and a pipe sleeve according to the present invention;

fig. 8 is a schematic structural view of a main connection pipe provided in embodiment 2;

FIG. 9 is a schematic structural view of a sub-connection pipe provided in embodiment 2;

fig. 10 is a sectional view of a sub-connection pipe provided in embodiment 2;

FIG. 11 is a sectional view of another auxiliary connecting pipe provided in example 2;

FIG. 12 is a schematic view of example 3.

Reference numbers and corresponding part names in the drawings:

1-main connection pipe, 11-check valve, 2-auxiliary connection pipe, 21-first part, 22-second part, 3-pipe sleeve, 31-perforation.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

Referring to fig. 1 to 7, in embodiment 1, a catheter connecting device is provided, which includes a main connecting tube 1 and an auxiliary connecting tube 2, wherein the auxiliary connecting tube 2 includes a first portion 21 and a second portion 22, the first portion 21 is a circular truncated cone-shaped tube, the second portion 22 is a cylindrical tube, an end of the first portion 21 having a smallest tube diameter is connected to the second portion 22, and the main connecting tube 1 and the second portion 22 are in interference fit.

Specifically, the middle portion of the main connection pipe 1 is a cylindrical pipe body, the middle portion just can put down the check valve 11, and the check valve 11 is a duckbill valve.

Specifically, the pipe diameter of the main connecting pipe 1 is gradually reduced from the middle part to the two ends, and when one pipe diameter of the two-end interfaces is smaller, the two ends of the main connecting pipe 1 are in interference fit with the guide pipe.

Specifically, the pipe diameter of the second portion 22 of the secondary connecting pipe 2 is smaller than the maximum pipe diameter of the primary connecting pipe 1.

Specifically, the two ends of the main connecting pipe 1 are symmetrical.

Specifically, the device further comprises a pipe sleeve 3, the pipe sleeve 3 is sleeved at the middle part of the main connecting pipe 1, the pipe sleeve 3 is made of foam, and the pipe sleeve 3 and the main connecting pipe 1 are detachable.

Specifically, the outer wall of the pipe sleeve 3 is provided with small grooves which are uniformly distributed.

Specifically, the tube housing 3 is provided with a through hole 31, and an adhesive tape is inserted through the through hole 31 for fixing the catheter.

Specifically, the outer wall of the auxiliary connecting pipe 2 is provided with anti-skid particles.

Specifically, the pipe diameter of the middle part of the main connecting pipe 1 is 1 cm, the pipe diameters of the two ends are 0.3 cm, and the maximum pipe diameter of the auxiliary connecting pipe 2 is 2 cm.

Specifically, above-mentioned main connecting pipe 1 is the body of adopting transparent plastic to make, is convenient for observe duckbill valve's in service behavior.

Example 2

Referring to fig. 8 to 11, the embodiment 2 provides a conduit connection device, which includes a main connection pipe 1 and an auxiliary connection pipe 2, wherein the auxiliary connection pipe 2 includes a first portion 21 and a second portion 22, the first portion 21 is a cylindrical pipe, the second portion 22 is a cylindrical pipe, a pipe diameter of the first portion 21 is larger than a pipe diameter of the second portion 22, the pipe diameter of the first portion 21 is connected to the second portion 22 through an annular bottom plate, and the main connection pipe 1 is in threaded connection with the second portion 22.

Specifically, the main connection pipe 1 has a pipe diameter gradually decreasing from the middle portion to the two ends, and is provided with external threads with the same diameter depth.

Specifically, the second portion 22 of the secondary connecting pipe 2 is provided with internal threads, the small diameter of the internal threads of the second portion is reduced along with the reduction of the pipe diameter of the main connecting pipe 1, and the diameter depth of the internal threads is the same; or, the minor diameter of the internal thread of the second part 22 is not larger than the minor diameter of the external thread at the maximum pipe diameter of the main connecting pipe 1, and the minor diameter and the depth of the internal thread of the second part 22 are the same; the main connecting pipe 1 is connected with the auxiliary connecting pipe 2 through threads, so that the installation is convenient.

Specifically, the two ends of the main connecting pipe 1 are symmetrical.

Specifically, the outer wall of the pipe sleeve 3 is provided with anti-skid grains.

Example 3

With reference to fig. 1, 2 and 12, this embodiment 3 provides a method for using a catheter connection device, when a liquid in an abdominal cavity or an internal organ is introduced to the outside of a body through a drainage tube, when a tube diameter of a catheter port connected to the body and a tube diameter of a catheter port connected to a drainage bag are both close to or smaller than a tube diameter of a main connection tube 1, the catheter port connected to the body and one end of the main connection tube 1 away from a duckbill valve opening are connected, and the catheter port connected to the drainage bag and one end of the main connection tube 1 facing the duckbill valve opening are connected;

the pipe diameter of the pipe interface connected with the human body is close to or smaller than that of the main connecting pipe 1, when the pipe diameter of the pipe interface connected with the drainage bag is far larger than that of the main connecting pipe 1, the pipe interface connected with the human body is connected with one end of the main connecting pipe 1 departing from the duckbill valve opening, one end of the main connecting pipe 1 facing the duckbill valve opening is connected with the second part 22 of the auxiliary connecting pipe 2, and the pipe interface connected with the drainage bag is connected with the first part 21 of the auxiliary connecting pipe 2;

the pipe diameter of the pipe interface connected with the human body is far larger than that of the main connecting pipe 1, when the pipe diameter of the pipe interface connected with the drainage bag is close to or smaller than that of the main connecting pipe 1, the pipe interface connected with the human body is connected with the first part 21 of the auxiliary connecting pipe 2, the second part 22 of the auxiliary connecting pipe 2 is connected with one end of the main connecting pipe 1, which is far away from the duckbill valve opening, and the pipe interface connected with the drainage bag is connected with one end of the main connecting pipe 1, which faces the duckbill valve opening;

the pipe diameter of the pipe interface that meets with the human body and the pipe diameter of the pipe interface that meets with the drainage bag all are greater than when main connecting pipe 1's pipe diameter, the pipe interface that meets with the human body is connected with the first part 21 of vice connecting pipe 2, the second part 22 of vice connecting pipe 2 and the one end that main connecting pipe 1 deviates from the duckbill valve opening are connected, main connecting pipe 1 is connected towards the one end of duckbill valve opening and the second part 22 of another vice connecting pipe 2, the pipe interface that meets with the drainage bag is connected with the first part 21 of another vice connecting pipe 2.

When the medicine is injected into the human body through the infusion tube, the connection mode is equal to the method, and the only difference is that the opening of the duckbill valve in the main connecting tube 1 faces to the proximal end.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a pipe connecting device, its characterized in that includes main connecting pipe (1) and vice connecting pipe (2), vice connecting pipe (2) both ends pipe diameter is different, the biggest pipe diameter of main connecting pipe (1) is less than the biggest pipe diameter of vice connecting pipe (2), main connecting pipe (1) and vice connecting pipe (2) looks adaptation.

2. A pipe connecting device according to claim 1, wherein the end of the secondary connecting pipe (2) with a large pipe diameter is made of flexible material.

3. A pipe connection device according to claim 1, wherein the main connection pipe (1) is a pipe body structure with a large middle part and small two ends.

4. A conduit connection device according to claim 3, characterized in that the main connection pipe (1) extends from a middle portion to both ends with a decreasing pipe diameter.

5. A catheter connection device according to claim 4, characterized in that a non-return valve (11) is arranged in the main connection tube (1).

6. A pipe connection device according to claim 5, characterised in that the main connection pipe (1) is symmetrical at both ends.

7. A pipe connection device according to claim 1, further comprising a tube housing (3), said tube housing (3) being fitted over a middle portion of the main connection pipe (1).

8. A pipe connection device according to claim 7, characterised in that the sleeve (3) is provided externally with anti-slip means.

9. A catheter connection device according to claim 8, characterized in that the sleeve (3) is provided with perforations (31) through which a glue cloth can be passed.

10. A catheter connecting device according to claim 2, characterized in that the outer wall of the secondary connecting tube (2) is provided with anti-slip particles.