CN211245181U

CN211245181U - Connecting pipe assembly

Info

Publication number: CN211245181U
Application number: CN201921457967.7U
Authority: CN
Inventors: 宋小军
Original assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Current assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-08-14
Anticipated expiration: 2029-09-02

Abstract

The utility model relates to a medical appliance, and discloses a connecting pipe assembly, which comprises a connecting pipe (1), a first connecting head (2) and a second connecting head (3), wherein the connecting pipe (1) comprises three pipelines (11) which are communicated with each other, and the outer wall surface of each pipeline (11) is provided with an external thread; the first connector (2) is of a tapered structure with the caliber gradually reduced from the middle to the opening end (21) of the first connector, a sleeve (4) is sleeved on the first connector (2), and internal threads are arranged on the inner wall surface of the sleeve (4) and the inner wall surface of the second connector (3); wherein, two pipeline (11) detachably be connected with first connector (2), another pipeline (11) detachably be connected with second connector (3). The utility model provides a connecting tube subassembly can realize the intercommunication of two pipe sheaths, can connect the pipe of multiple specification moreover.

Description

Connecting pipe assembly

Technical Field

The utility model relates to a medical instrument specifically, relates to a connecting pipe subassembly.

Background

In each large hospital, common medical connecting pipes comprise medical infusion pipes and abdominal cavity flushing pipes, and sometimes a three-way connecting pipe is needed to communicate a plurality of pipelines, so that the purposes of multi-path infusion, bypass liquid taking, multi-path liquid drainage and the like are achieved.

At present, some complicated interventional operations need to connect the side tubes of two catheter sheaths to play a role of diversion, but the connecting tubes in the prior art cannot achieve the purpose. The pipeline of the existing three-way pipe can only be connected with one type of catheter, if the catheter needs to be replaced in the operation process, and the type of the catheter after replacement is different from that of the catheter before replacement, the three-way connecting pipe needs to be replaced together, so that the complexity of the whole operation can be increased, the operation time is prolonged, and the workload of medical staff and the pain of the staff to be operated are increased.

In view of the above, there is a need for a new connector assembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a connecting pipe subassembly is provided, this connecting pipe subassembly can realize the intercommunication of two pipe sheaths, can connect the pipe of multiple specification moreover.

In order to solve the technical problem, the utility model provides a connecting pipe assembly, which comprises a connecting pipe, a first connector and a second connector, wherein the connecting pipe comprises three pipelines which are mutually communicated, and the outer wall surface of each pipeline is provided with an external thread; the first connector is of a tapered structure with the caliber gradually reduced from the middle to the opening end of the first connector, a sleeve is sleeved on the first connector, and internal threads are arranged on the inner wall surface of the sleeve and the inner wall surface of the second connector; wherein, two pipeline detachably be connected with first connector, another pipeline detachably is connected with the second connector.

Preferably, the joints of the three pipelines are provided with three-way valves for controlling the communication of the pipelines.

Preferably, the sleeve and the first connector are detachably connected; or the sleeve and the first connector are non-detachably connected.

Preferably, the end of each of the pipes is provided with a sealing ring.

Preferably, the first connector is provided with a plurality of circles of protrusions at intervals along the radial direction.

Further preferably, the first connector open end and the second connector open end of second connector all are equipped with dustproof cap.

More preferably, the connecting pipe, the first connector, the second connector and the sleeve are all made of high polymer transparent materials.

Through the technical scheme, the connecting pipe assembly of the utility model can be detachably connected to the pipeline of the connecting pipe through the first connector and the second connector, when the pipe diameters of the pipes to be connected are moderate, the pipes can be directly sleeved on the pipeline of the connecting pipe or the pipes are in threaded connection with the connecting pipe; when the caliber of the conduit is larger and the connecting end of the conduit is provided with an external thread, the first connector can be connected to the pipeline, and then the conduit is fixed through the sleeve arranged on the first connector; when the caliber of a conduit to be connected is small and the outer wall of the conduit is provided with an external thread, a second connector can be sleeved on the pipeline of the connecting pipe, and the conduit is connected with the external thread of the second connector through a thread; when the calibers of the conduits to be connected are smaller and the outer wall of the conduit is not provided with external threads, the first connector can be sleeved on the pipeline, and then the conduit is sleeved on the first connector. Furthermore, the utility model discloses an all be connected with on two pipelines of connecting pipe and be suitable for the first connector of connecting the catheter sheath side pipe can conveniently pass through the connecting pipe subassembly with the side pipe of two catheter sheaths like this and connect to can play the purpose of changeing the flow, the convenience is used in the intervention operation.

Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a connecting tube according to an embodiment of the present invention;

FIG. 3 is a schematic view of a first connector according to an embodiment of the present invention;

FIG. 4 is a schematic view of a first connector according to another embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second connecting head according to an embodiment of the present invention.

Description of the reference numerals

1 connecting pipe 2 first joint

3 second connector 4 sleeve

5 dust cap

11 pipeline 12 three-way valve

13 sealing ring 21 first connector open end

22 bulge 23 first connector connection end

31 second connection head open end 32 second connection head connection end

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" 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, and therefore the features defined "first", "second" may explicitly or implicitly include one or more of the features described.

In the basic embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, a connecting pipe assembly is provided, which includes a connecting pipe 1, a first connecting joint 2 and a second connecting joint 3, the connecting pipe 1 includes three pipes 11 that are communicated with each other, and the outer wall surface of each of the pipes 11 is provided with an external thread; the first connector 2 is of a tapered structure with the caliber gradually reduced from the middle to the opening end 21 of the first connector, a sleeve 4 is sleeved on the first connector 2, and internal threads are arranged on the inner wall surface of the sleeve 4 and the inner wall surface of the second connector 3; wherein, two pipeline 11 detachably is connected with first connector 2, another pipeline 11 detachably is connected with second connector 3.

Any detachable connection method can be adopted between the first connecting pipe 2 and the pipeline 11 and between the second connecting pipe 3 and the pipeline 11. Specifically, inner walls of the first connector 2 and the second connector 3 may be provided with inner threads matching the outer threads, and the first connector 2 and the connecting pipe 1 and the second connector 3 and the connecting pipe 1 are connected by threads; or, a clamping block may be disposed on an outer wall of the pipeline 11, and a clamping groove suitable for the clamping block to be clamped into is disposed on an inner wall of the second connecting pipe 3 of the first connecting pipe 2; or, the first connecting pipe 2 and the second connecting pipe 3 are provided with clamping blocks inside, and the outer wall of the pipeline 11 is provided with clamping grooves suitable for the clamping blocks to be clamped in. Of course, what has been described above is only a partial implementation manner of the detachable connection between the first connection pipe 2 and the pipeline 11 and between the second connection pipe 3 and the pipeline 11, and the implementation manner of the detachable connection between the first connection pipe 2 and the pipeline 11 and between the second connection pipe 3 and the pipeline 11 cannot be taken as a specific limitation, and there are many ways of implementing the detachable connection between the two, and details are not described here.

More specifically, one end of the first connector 2 connected to the pipeline 11 is set as a first connector connection end 23, and the other end is set as a first connector opening end 21; one end of the second connector 3 connected with the pipeline 11 is set as a second connector connecting end 32, and the other end is set as a second connector opening end 31; the one end of three pipeline 11 interconnect is established to the pipeline link, and the other end is established to the pipeline open end. The "middle" in the present invention means any position between the first joint open end 21 and the first joint connection end 23.

More specifically, the external thread on the outer wall of the pipe 11 may be disposed at the opening end of the pipe, or may be disposed at a certain distance from the opening end of the pipe, and the distance may be set according to the actual condition of the pipe, which is not limited herein. The second connector 3 is arranged to be a cylindrical structure matched with the pipeline 11.

The utility model discloses the connecting tube subassembly during operation that above-mentioned basic scheme provided, the size of the bore of the pipe that connects as required and the type selection suitable mode of pipe. When the diameter of the conduit to be connected is in the same diameter, the conduit can be directly sleeved on the pipeline 11 or connected to the pipeline 11 through a threaded connection; or, when the caliber of the catheter to be connected is large and the connecting end of the catheter is provided with external threads, such as a side tube of a catheter sheath, the first connector 2 is connected to the pipeline 11, then the catheter is connected to the first connector 2, and the catheter can be well fixed through the threaded connection of the internal threads of the inner wall of the sleeve 4 on the first connector 2 and the external threads of the connecting end of the catheter; or, when the caliber of the conduit to be connected is small and medium, and the conduit connecting end is provided with an external thread, the second connector 3 is connected to the pipeline 11, and is connected with the conduit through the internal thread arranged on the inner wall of the second connector 3; or, when the diameter of the conduit to be connected is smaller, the first connector 2 is connected to the pipeline 11, the conduit 11 is sleeved on the first connector 2, and the first connector 2 is set to be a tapered structure with the gradually reduced caliber from the middle to the opening end 21 of the first connector, so that the conduit is suitable for being connected with conduits with different calibers. And the utility model discloses an all be connected with on two pipelines 11 be suitable for with the first connector 2 of catheter sheath side union coupling can realize the intercommunication of the side pipe of two catheter sheaths, reaches the purpose of changeing the flow, and the convenience is used in the intervention operation.

In some operations or treatment processes, it is not necessary to communicate the three conduits 11 simultaneously, but only to communicate two designated conduits 11, and of course, the number of conduits 11 to be communicated and which two conduits 11 need to be communicated specifically are determined according to specific treatment or operation conditions. In order to control the connection condition of the three pipes 11 in the connection pipe 1, in a specific embodiment of the present invention, it is three that the joint of the pipes 11 is provided with a three-way valve 12 for controlling the connection of the pipes 11, and the connection condition of the three pipes 11 can be controlled by adjusting the three-way valve 12.

In an embodiment of the present invention, the sleeve 4 and the first connector 2 may be detachably connected or non-detachably connected, and of course, preferably detachably connected, and it is possible to select whether the sleeve 4 needs to be connected to the first connector 2 according to actual conditions, so as to prevent the first connector 2 from being connected to the catheter.

In order to guarantee the leakproofness of pipeline 11 and

first connector

2 or 3 junctions of second connector, in the utility model discloses a specific embodiment, each the tip of pipeline 11 all is equipped with sealing washer 13, also all is equipped with sealing washer 13 in each affiliated pipeline opening end department.

In order to ensure that the catheter can be effectively fixed on the first connector 2, in an embodiment of the present invention, as shown in fig. 3, a plurality of circles of protrusions 22 are arranged on the first connector 2 along the radial direction at intervals, each protrusion 22 is arranged on the first connector 2 along the circumferential direction, and the arrangement position of the protrusion 22 may be set from the position on the first connector 2 where the sleeve 4 is close to the end of the first connector open end 21, which corresponds to the end of the first connector open end 21, and set up to the first connector open end 21, the interval distance between two adjacent protrusions 22 may be the same or different, and the specific arrangement position of the protrusion 22 is equal to the size of the corresponding catheter caliber.

In a specific embodiment of the present invention, the first connector open end 21 and the second connector open end 31 are both provided with the dust cap 5, which can prevent dust in the air from entering the connecting pipe when not in use, thereby affecting the safety of the user.

In order to clearly observe the specific situation of the liquid flow or the liquid in the connecting pipe assembly, in a specific embodiment of the present invention, the connecting pipe 1, the first connector 2, the second connector 3 and the sleeve 4 are parts made of a polymer transparent material, and the polymer transparent material can be specifically polyurethane, silicone rubber, polyester fiber, polymethyl methacrylate, polyvinyl alcohol, polyethylene, etc.

In a relatively preferred embodiment of the present invention, as shown in fig. 1-5, the connecting pipe assembly includes a connecting pipe 1, a first connecting head 2 and a second connecting head 3, the connecting pipe 1 includes three pipes 11 communicated with each other, the outer wall surface of the pipe 11 is provided with an external thread, the end of the pipe 11 is provided with a sealing ring 13, and the joint of the three pipes 11 is provided with a three-way valve 12 for controlling the communication of the pipe 11; the first connector 2 is of a taper structure with the caliber gradually reduced from the middle to the opening end 21 of the first connector, a sleeve 4 is sleeved on the first connector 2, the sleeve 4 is detachably connected with the first connector 2, a plurality of circles of protrusions are arranged on the first connector 2 along the radial direction at intervals, inner wall surfaces of the sleeve 4 and inner wall surfaces of the second connector 3 are provided with internal threads, the opening end 21 of the first connector and the opening end 31 of the second connector 3 are provided with dustproof caps 5, and the connecting pipe 1, the first connector 2, the second connector 3 and the sleeve 4 are made of high polymer transparent materials.

The utility model discloses the mode of connection is selected to the connecting tube subassembly that some embodiments provided, the pipe bore that can connect as required, can guarantee the whole leakproofness in the connection process through sealing washer 13, can guarantee the stability of connecting through designs such as screw thread, arch 22 moreover. Meanwhile, the first connecting joints 2 suitable for connecting the side pipes of the catheter sheaths are connected to the two pipelines 11 of the connecting pipe 1, so that the side pipes of the two catheter sheaths can be conveniently connected through the connecting pipe assembly, the purpose of diversion can be achieved, and the device is convenient to use in interventional operations.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A connecting pipe assembly is characterized by comprising a connecting pipe (1), a first connector (2) and a second connector (3), wherein the connecting pipe (1) comprises three pipelines (11) which are communicated with each other, and the outer wall surface of each pipeline (11) is provided with an external thread; the first connector (2) is of a tapered structure with the caliber gradually reduced from the middle to the opening end (21) of the first connector, a sleeve (4) is sleeved on the first connector (2), and internal threads are arranged on the inner wall surface of the sleeve (4) and the inner wall surface of the second connector (3); wherein, two pipeline (11) detachably be connected with first connector (2), another pipeline (11) detachably be connected with second connector (3).

2. A connecting tube assembly according to claim 1, characterized in that the junction of three said tubes (11) is provided with a three-way valve (12) for controlling the communication of said tubes (11).

3. Connecting tube assembly according to claim 1, characterized in that the sleeve (4) and the first connecting head (2) are detachably connected; or

The sleeve (4) and the first connection head (2) are connected in an unreleasable manner.

4. A connector tube assembly according to claim 1, wherein the end of each of the tubes (11) is provided with a sealing ring (13).

5. A connector tube assembly according to claim 1, wherein the first connector (2) is provided with a plurality of radially spaced rings of protrusions (22).

6. A connection tube assembly according to any of claims 1-5, characterized in that the first connection head open end (21) and the second connection head open end (31) of the second connection head (3) are provided with dust caps (5).

7. A connecting tube assembly according to claim 6, characterized in that the connecting tube (1), the first connector (2), the second connector (3) and the sleeve (4) are all parts of a transparent polymer material.