CN212509990U

CN212509990U - Connecting piece for connecting medical extension pipe and three-way pipe

Info

Publication number: CN212509990U
Application number: CN202020729780.4U
Authority: CN
Inventors: 赖璇; 唐双凤; 邓溪; 刘瑶菡; 李峰
Original assignee: Peoples Hospital of Deyang City
Current assignee: Peoples Hospital of Deyang City
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-02-09
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a medical extension pipe is connected with three-way pipe and is used connecting piece relates to medical three-way pipe accessory technical field, including three-way pipe body, extension pipe body and connecting pipe, the fixed spacing head that is provided with of one end of connecting pipe, the one end of spacing head is provided with the plug, the lock sleeve has been cup jointed in the outside of connecting pipe, the one end inboard of lock sleeve is provided with the internal thread, the one end of connecting pipe is provided with the hole enlargement head, the extrusion ring has been cup jointed in the outside of connecting pipe. Compared with the prior art, the beneficial effects of the utility model are that: the plug through setting up can insert the three-way pipe body internally, utilizes the lock sleeve can threaded connection on the external screw thread connector, can guarantee the stability between connecting pipe and the three-way pipe body, and the extension pipe is pegged graft in the connecting pipe, can extrude the hole enlargement head through the extrusion ring that sets up for the inner wall of connecting pipe is exerted pressure to the extension pipe body, guarantees the stability between extension pipe body and the connecting pipe.

Description

Connecting piece for connecting medical extension pipe and three-way pipe

Technical Field

The utility model relates to a medical three-way pipe accessory technical field specifically is a medical extension pipe is connected with three-way pipe and is used connecting piece.

Background

After conventional puncture, the puncture needle is connected with one end of the three-way pipe, the injector or the drainage bag is connected with the side hole of the three-way pipe, when the injector is replaced, the switch valve of the three-way pipe is closed, medicine can be injected from the other side hole when medicine is injected into the cavity, and liquid discharge and medicine injection can be alternately carried out.

At present, the medical extension pipe and the three-way pipe are connected in the using process in a plugging mode, the patient is easy to pull when moving, the medical extension pipe and the three-way pipe are separated, liquid leakage is further caused, the medical extension pipe and the three-way pipe are difficult to extract if the medical extension pipe and the three-way pipe are plugged too tightly, and the connecting piece for connecting the medical extension pipe and the three-way pipe is provided according to the existing foot to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical extension pipe is connected with connecting piece for three-way pipe to solve and connect through the mode of pegging graft more before medical extension pipe and the three-way pipe, cause easily when patient removes and drag, just lead to medical extension pipe and three-way pipe separation, and then lead to the weeping, and if medical extension pipe and three-way pipe peg graft the problem that can lead to being difficult to extract tightly.

In order to achieve the above object, the utility model provides a following technical scheme: the connecting piece comprises a three-way pipe body, an extension pipe body and a connecting pipe, wherein a limiting head is fixedly arranged at one end of the connecting pipe, a plug is arranged at one end of the limiting head, a locking sleeve is sleeved on the outer side of the connecting pipe, an internal thread is arranged on the inner side of one end of the locking sleeve, an expanding head is arranged at one end of the connecting pipe, and an extrusion ring is sleeved on the outer side of the connecting pipe.

Preferably, the three-way pipe body comprises a tee body, a switch and an external thread connector, and one end of the locking sleeve is in threaded connection with the outer side of the external thread connector.

Preferably, one end of the extension pipe body is inserted into the connecting pipe, and one end of the plug is inserted into the three-way pipe body.

Preferably, the material of the extrusion ring is firstly made of rubber material, and the inner diameter size of the extrusion ring is not larger than the outer diameter size of the expanding head.

Preferably, one end of the locking sleeve is tightly attached to the outer side of the limiting head, and one side of the limiting head is abutted to one end of the three-way pipe body.

Preferably, the diameter of one end of the expanding head, which is far away from the plug, is gradually increased, and the expanding head is connected with the three-way pipe body in an arc manner.

Compared with the prior art, the beneficial effects of the utility model are that: this medical extension pipe is connected with the three-way pipe and is used connecting piece: the plug through setting up can insert the three-way pipe body internally, utilizes the lock sleeve can threaded connection on the external screw thread connector for the connecting pipe can be together fixed with the three-way pipe body, can guarantee the stability between connecting pipe and the three-way pipe body, and the extension pipe is pegged graft in the connecting pipe, can extrude the hole enlargement head through the extrusion ring that sets up, makes the inner wall of connecting pipe exert pressure to the extension pipe body, guarantees the stability between extension pipe body and the connecting pipe.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a general exploded view of the present invention;

FIG. 3 is a schematic structural view of the utility model after being assembled integrally;

FIG. 4 is a schematic structural diagram of the connecting tube and its components of the present invention;

fig. 5 is a cross-sectional view of the locking sleeve of the present invention.

In the figure: 10. a three-way pipe body; 11. an extension pipe body; 12. a tee body; 13. a switch; 14. an external thread connector; 16. a plug; 17. a connecting pipe; 18. a limiting head; 19. a locking sleeve; 20. an internal thread; 21. an expanding head; 22. the ring is pressed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a connecting piece for connecting a medical extension pipe and a three-way pipe comprises a three-way pipe body 10, an extension pipe body 11 and a connecting pipe 17, wherein a limiting head 18 is fixedly arranged at one end of the connecting pipe 17, a plug 16 is arranged at one end of the limiting head 18, the plug 16 is inserted into the three-way pipe body 10, a locking sleeve 19 is sleeved outside the connecting pipe 17, an internal thread 20 is arranged inside one end of the locking sleeve 19, the locking sleeve 19 can be connected with the three-way pipe body 10 in a threaded manner, an expanding head 21 is arranged at one end of the connecting pipe 17, the external diameter of one end of the connecting pipe 17 is expanded by the expanding head 21, a squeezing ring 22 is sleeved outside the connecting pipe 17, the squeezing ring 22 has a squeezing effect on the expanding head 21, the extension pipe body 11 is, the expanding head 21 can be extruded by the extrusion ring 22, so that the inner wall of the connecting pipe 17 applies pressure to the extension pipe body 11, and the stability between the extension pipe body 11 and the connecting pipe 17 is ensured.

Referring to fig. 3, the tee pipe body 10 includes a tee body 12, a switch 13, an external thread connector 14, one end of a locking sleeve 19 is connected to the outer side of the external thread connector 14 in a threaded manner, the external thread connector 14 belongs to the prior art characteristic of the tee pipe body 10, the switch 13 is used for controlling the three-way pipe body 10 to be closed and opened, one end of an extension pipe body 11 is inserted into the connecting pipe 17, one end of a plug 16 is inserted into the tee pipe body 10, the plug 16 can be inserted into the tee pipe body 10, one end of the locking sleeve 19 clings to the outer side of a limiting head 18, one side of the limiting head 18 butts against one end of the tee pipe body 10, the locking sleeve 19 can be connected to the external thread connector 14 in a threaded manner, the connecting pipe 17 can be fixed with the tee pipe body 10, and the stability between the connecting pipe 17.

Referring to fig. 1, the material of the extrusion ring 22 is firstly rubber material, the inner diameter of the extrusion ring 22 is not larger than the outer diameter of the expanding head 21, the diameter of one end of the expanding head 21 far away from the plug 16 is gradually increased, the expanding head 21 and the tee pipe body 10 are connected in an arc shape, after the extension pipe body 11 is inserted into the connecting pipe 17, the extrusion ring 22 moves towards the expanding head 21, the diameter of the expanding head 21 is larger, the extrusion ring 22 extrudes the expanding head 21, so that the inner wall of the connecting pipe 17 applies pressure to the extension pipe body 11, and the extension pipe body 11 can be reinforced.

The utility model discloses when concrete implementation: during the use process, firstly, the plug 16 is required to be inserted into the tee pipe body 10, the locking sleeve 19 is moved to be positioned on one side of the external thread connector 14, the locking sleeve 19 is rotated to enable the locking sleeve 19 to be in threaded connection with the outer side of the external thread connector 14, the connecting pipe 17 can be fixed with the tee pipe body 10, the extension pipe body 11 is inserted into the other end of the connecting pipe 17, the extrusion ring 22 is moved towards the expanding head 21, under the action of the elastic force of the extrusion ring 22, the inner wall of the connecting pipe 17 applies pressure to the extension pipe body 11, and then the extension pipe body 11 can be reinforced and fixed in the connecting pipe 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medical extension pipe is connected with three-way pipe and is used connecting piece, includes three-way pipe body (10), extension pipe body (11) and connecting pipe (17), its characterized in that: the novel pipe connector is characterized in that a limiting head (18) is fixedly arranged at one end of the connecting pipe (17), a plug (16) is arranged at one end of the limiting head (18), a locking sleeve (19) is sleeved on the outer side of the connecting pipe (17), an internal thread (20) is arranged on the inner side of one end of the locking sleeve (19), an expanding head (21) is arranged at one end of the connecting pipe (17), and an extrusion ring (22) is sleeved on the outer side of the connecting pipe (17).

2. The connector for connecting a medical extension pipe and a three-way pipe according to claim 1, wherein: the three-way pipe body (10) comprises a tee body (12), a switch (13) and an external thread connector (14), and one end of the locking sleeve (19) is in threaded connection with the outer side of the external thread connector (14).

3. The connector for connecting a medical extension pipe and a three-way pipe according to claim 1, wherein: one end of the extension pipe body (11) is inserted into the connecting pipe (17), and one end of the plug (16) is inserted into the three-way pipe body (10).

4. The connector for connecting a medical extension pipe and a three-way pipe according to claim 1, wherein: the material of the extrusion ring (22) is firstly made of rubber material, and the inner diameter size of the extrusion ring (22) is not larger than the outer diameter size of the expanding head (21).

5. The connector for connecting a medical extension pipe and a three-way pipe according to claim 1, wherein: one end of the locking sleeve (19) is tightly attached to the outer side of the limiting head (18), and one side of the limiting head (18) is abutted to one end of the three-way pipe body (10).

6. The connector for connecting a medical extension pipe and a three-way pipe according to claim 1, wherein: the diameter of one end of the expanding head (21) far away from the plug (16) is gradually increased, and the expanding head (21) is connected with the three-way pipe body (10) in an arc manner.