CN216855415U

CN216855415U - Draw and push integration intravenous route ware subassembly

Info

Publication number: CN216855415U
Application number: CN202122922138.5U
Authority: CN
Inventors: 杨艾华; 陈海珠; 易如梦
Original assignee: Zhuhai Hospital Of Guangdong Hospital Of Traditional Chinese Medicine
Current assignee: Zhuhai Hospital Of Guangdong Hospital Of Traditional Chinese Medicine
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-01
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to the technical field of medical appliances, in particular to a drawing and pushing integrated intravenous injector assembly, which comprises: a syringe body having an injection port; the two ends of the extension pipe are respectively provided with a first pipe orifice and a second pipe orifice; the extension tube and the injector main body are integrally formed, and the first tube orifice is communicated with the injection port; a thread fixing structure is arranged on the second pipe orifice and matched with a first external thread at the end part of the medical tee joint; according to the utility model, one end of the extension tube and the injector are integrally formed, the other end of the extension tube is provided with the thread fixing structure, the thread fixing structure is matched with the external thread at the end part of the traditional medical tee joint, and the extension tube is connected with the medical tee joint through the thread, so that the problem that the extension tube is disconnected with the injector or the medical tee joint due to the fact that a patient or family members pull the extension tube can be effectively avoided, and the life safety of the patient, especially a severe patient, is ensured.

Description

Draw and push integration intravenous route ware subassembly

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a drawing and pushing integrated intravenous injector component.

Background

Intravenous injection is a medical procedure in which a medical fluid is injected directly into a vein. Intensive care therapy patients need intravenous injection of medicines such as adrenalin and the like to maintain vital signs, the specific operation is to implant an indwelling needle or other intravenous infusion devices such as deep veins, PICCs and the like into veins of the patients, a connector end is connected by adopting a medical tee joint or other infusion ports, the intravenous injector is installed on an infusion pump and is connected with the medical tee joint/other infusion ports through an extension pipe, two ends of the existing extension pipe are connected with the intravenous injector and the medical tee joint/other infusion ports in a hole-shaft matching mode, and the sealing connection is realized through the elasticity of the extension pipe material, so that medical workers can conveniently plug and pull the infusion pump, however, the phenomenon that the patients or families touch or pull the extension pipe by mistake to disconnect one end of the extension pipe from the injector or the medical tee joint is caused, and the life safety of the patients is threatened.

Furthermore, the chinese utility model patent No. cn201721363135.x discloses a medical high-pressure tee, which in the accompanying drawings discloses that an external thread is provided at the port; chinese utility model patent CN201220109296.7 discloses a three-way valve for medical use, which explicitly indicates that one end of the three-way valve casing is equipped with a sheath, and the sheath is in threaded connection with the end of the three-way valve casing.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a pumping and pushing integrated intravenous injector assembly which can effectively avoid the problem that an extension pipe is disconnected with an injector or a medical tee joint/other infusion ports due to the pulling of a patient or family members, and ensure the life safety of the patient.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: a pull-push integrated intravenous syringe assembly comprising: a syringe body having an injection port; the two ends of the extension pipe are respectively provided with a first pipe orifice and a second pipe orifice; the extension tube is integrally formed with the injector body, and the first nozzle is communicated with the injection port; and a thread fixing structure is arranged on the second pipe orifice and matched with the first external thread at the end part of the medical tee joint.

Further, the thread fixing structure comprises a sleeve arranged at the second pipe orifice, and an internal thread is arranged on the sleeve.

Further, the thread fixing structure and the extension pipe are integrally formed.

Furthermore, a limiting groove is formed in the part, close to the first pipe orifice, of the extension pipe, a limiting bulge is arranged on the sleeve and sleeved on the limiting groove and can move in the limiting groove along the axial direction, and the limiting bulge can rotate along with the sleeve relative to the extension pipe.

Furthermore, the outer surface of the sleeve is provided with anti-skidding reticulate patterns.

Furthermore, the sleeve is made of a silica gel material.

Furthermore, the needle further comprises a needle head, and a second external thread matched with the thread fixing structure is arranged at one end, connected with the extension pipe, of the needle head.

Furthermore, one end of the needle head connected with the extension tube is gradually increased in a horn mouth shape.

Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the structure that one end of the extension tube is integrated with the injector, the other end is provided with the thread fixing structure, the thread fixing structure is matched with the external thread at the end part of the traditional medical tee joint, and the extension tube is connected with the medical tee joint/other infusion ports through threads, so that the problem that the extension tube is disconnected with the injector or the medical tee joint/other infusion ports due to the fact that a patient or family members pull the extension tube can be effectively avoided, and the life safety of the patient, particularly a severe patient, is ensured.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a pull and push integrated IV syringe assembly according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view of a threaded fastener component according to an embodiment of the utility model;

fig. 3 is a schematic view of the structure of the needle portion of the embodiment of the present invention.

The reference numbers illustrate: a syringe main body 100; an extension pipe 200; a first nozzle 201; a second nozzle 202; a screw fixing structure 300; a sleeve 301; an internal thread 302; a limit groove 203; a limiting bulge 303; a needle 400; a second external thread 401; end 500 of the medical tee; a first external thread 501.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 2, a drawing and pushing integrated intravenous injector assembly includes an injector body 100 and an extension tube 200, the extension tube 200 and the injector body 100 are integrally formed, which can avoid the problem that the extension tube 200 is disconnected from the injector body 100 due to pulling, specifically, the injector body 100 is provided with an injection port, two ends of the extension tube 200 are respectively defined as a first tube port 201 and a second tube port 202, the first tube port 201 is communicated with the injection port, the second tube port 202 is provided with a thread fixing structure 300, the thread fixing structure 300 is matched with a first external thread 501 of an end 500 of a medical tee, when in use, the injector is connected with a needle 400 through the second tube port 202 and draws the liquid medicine in a medicine bottle, then the needle 400 is detached and the second tube port 202 is inserted into the end 500 of the medical tee, the second tube port 202 is inserted into the end 500 of the medical tee through the thread fixing structure 300 and the first external thread 501, because the thread fixing structure 300 is matched with the first external thread 501 to have a self-locking effect, the problem that the second pipe orifice 202 is disconnected from the medical tee joint due to mistaken pulling can be effectively avoided, the life safety of a patient is guaranteed, and it needs to be explained that when the thread fixing structure 300 is screwed on the first external thread 501, the second pipe orifice 202 is gradually inserted and pressed to be tightly attached to one end of the medical tee joint, and a sealing effect can be effectively achieved.

In some embodiments, referring to fig. 2, the thread fixing structure 300 includes a sleeve 301 disposed at the second nozzle 202, the sleeve 301 is provided with an internal thread 302, that is, the internal thread 302 on the sleeve 301 is matched with the first external thread 501 to ensure that the second nozzle 202 is fixed at the end 500 of the medical tee, so as to avoid the problem of disconnection between the extension tube 200 and the medical tee due to pulling by mistake, when in use, the medical tee is usually implanted in the epidermis of the human body and fixed, at this time, the second nozzle 202 is aligned with one end of the medical tee, and the sleeve 301 rotates relative to the medical tee, that is, the sleeve 301 can be screwed to gradually insert and press the second nozzle 202 tightly to one end of the medical tee.

In some embodiments, the threaded fastener 300 is integrally formed with the extension tube 200, so as to reduce the number of parts of the entire syringe assembly, reduce the manufacturing and assembling costs, and ensure that the extension tube 200 can rotate with the threaded fastener 300 when in use, thereby ensuring that the second nozzle 202 is sealingly connected to one end of the medical tee.

In some embodiments, a limiting groove 203 is formed in a portion, close to the first nozzle 201, of the extension tube 200, a limiting protrusion 303303 which is sleeved at the limiting groove 203 and can move in the limiting groove 203 along the axial direction is formed on the sleeve 301, the limiting protrusion 303303 can rotate relative to the extension tube 200 along with the sleeve 301, the extension tube 200 and the sleeve 301 of the embodiment are separately arranged, and the extension tube 200 does not rotate along with the sleeve 301 when being connected with the medical tee, so that the operation is convenient; further, the sleeve 301 is made of a silica gel material, when the sleeve 301 is assembled, the sleeve 301 can be elastically deformed to ensure that the limiting protrusion 303 can be clamped in the limiting groove 203, and at the moment, the range of the sleeve 301 moving along the axis on the extension pipe 200 is limited, so that the sleeve 301 is prevented from falling out of the extension pipe 200.

In some embodiments, the outer surface of the sleeve 301 is provided with anti-slip webbing to facilitate manipulation by medical personnel to ensure that the sleeve 301 is securely threaded onto the medical tee.

In some embodiments, referring to fig. 3, the syringe assembly further includes a needle 400, the needle 400 is detachably connected to the second nozzle 202 of the extension tube 200, when a liquid medicine in the medicine bottle is to be extracted, the needle 400 may be first installed at the second nozzle 202 and communicated with the second nozzle 202, in order to ensure that the needle 400 is securely connected to the second nozzle 202 during use, the end of the needle 400 connected to the second nozzle 202 is further provided with a second external thread 401 cooperating with the thread fixing structure 300, further, the end of the needle 400 connected to the second nozzle 202 is in an increasingly flared shape, that is, the connection between the needle 400 and the second nozzle 202 is a hole-shaft fit connection, and the connection between the thread fixing structure 300 and the second external thread 401 ensures fixation, so as to avoid the problem that the needle 400 is disconnected from the extension tube 200 due to an accidental pulling.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A pull and push integrated intravenous syringe assembly, comprising:

a syringe body (100) having an injection port;

an extension pipe (200), two ends of which are respectively a first pipe orifice (201) and a second pipe orifice (202);

the extension tube (200) is integrally formed with the syringe body (100), and the first nozzle (201) is in communication with the injection port;

the second pipe orifice (202) is provided with a thread fixing structure (300), and the thread fixing structure (300) is matched with a first external thread (501) of the end part (500) of the medical tee joint.

2. The pull-push integrated intravenous syringe assembly of claim 1, wherein the threaded securing structure (300) comprises a sleeve (301) disposed at the second nozzle (202), the sleeve (301) having internal threads (302) disposed thereon.

3. A pull and push integrated iv syringe assembly according to claim 1 or 2, wherein the screw thread securing structure (300) is provided integrally with the extension tube (200).

4. The pull-push integrated intravenous injector assembly according to claim 2, wherein a portion of the extension tube (200) close to the first nozzle (201) is provided with a limiting groove (203), the sleeve (301) is provided with a limiting protrusion (303) sleeved in the limiting groove (203) and capable of moving in the limiting groove (203) along the axial direction, and the limiting protrusion (303) can rotate along with the sleeve (301) relative to the extension tube (200).

5. The pull-push integrated intravenous syringe assembly of claim 2, wherein an outer surface of said sleeve (301) is provided with anti-slip webbing.

6. The pull-push integrated iv syringe assembly of claim 2 wherein the sleeve (301) is made of a silicone material.

7. The pull-push integrated intravenous syringe assembly according to claim 1, further comprising a needle (400), wherein the end of the needle (400) connected to the extension tube (200) is provided with a second external thread (401) cooperating with the thread fixing structure (300).

8. The pull-push integrated iv syringe assembly of claim 7 wherein the end of the needle (400) connected to the extension tube (200) is increasingly flared.