CN213789334U

CN213789334U - Transfusion system plug

Info

Publication number: CN213789334U
Application number: CN202021449062.8U
Authority: CN
Inventors: 刘齐芬; 刘兴玲; 刘素敏; 张俊峰; 冯远衍; 梁土勇
Original assignee: Dongguan Songshanhu Central Hospital Dongguan Shilong People's Hospital Dongguan Third People's Hospital Dongguan Cardiovascular Disease Research Institute
Current assignee: Dongguan Songshanhu Central Hospital Dongguan Shilong People's Hospital Dongguan Third People's Hospital Dongguan Cardiovascular Disease Research Institute
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-07-27
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an infusion set plug, it includes infusion set body, operating parts and compresses tightly the piece, this internal syringe needle that is equipped with of infusion set, the operating parts is located movably the infusion set body, compress tightly the piece and locate the infusion set body with between the operating parts, compress tightly the piece and have the withdrawal position and be used for compressing tightly infusion piece open-ended extended position, operate the operating parts makes it is in to compress tightly the piece the withdrawal position with switch between the extended position. The infusion apparatus plug of the utility model has the advantages of high safety and avoidance of falling off.

Description

Transfusion system plug

Technical Field

The utility model relates to the field of medical supplies, especially, relate to an infusion apparatus plug.

Background

The transfusion system is a venous transfusion tool for clinical intravenous drip, which is a connecting tool for bagged or bottled medicines and veins of patients, nurses need to fix a medicine bag or a medicine bottle by hands firstly in clinical work, then use a plug of the transfusion system to insert into a bottle opening, and the operation is repeated by the nurses hundreds of times every day. In addition, if the patient slightly shakes or pulls the infusion set during the infusion, the plug of the infusion set is easy to fall off.

In order to solve the above problems, it is necessary to provide a plug for an infusion set.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high transfusion system plug who avoids droing of security.

In order to realize the above-mentioned purpose, the utility model provides an infusion apparatus plug includes infusion apparatus body, operating parts and compresses tightly the piece, this internal syringe needle that is equipped with of infusion apparatus, the operating parts is located with moving, compress tightly the piece and locate the infusion apparatus body with between the operating parts, compress tightly the piece and have the withdrawal position and be used for compressing tightly infusion piece open-ended and stretch out the position, operate the operating parts makes it is in to compress tightly the piece the withdrawal position with switch between the position of stretching out.

Preferably, the operating part is sleeved outside the infusion apparatus body, the operating part extends and retracts relative to the infusion apparatus body, the pressing part constantly has a trend of moving from the extending position to the retracting position, and the pressing part moves from the retracting position to the extending position under the pushing of the operating part when the operating part extends relative to the infusion apparatus body.

Specifically, the operating part is provided with an internal thread structure, the infusion apparatus body is provided with an external thread structure, and the operating part is made to stretch relative to the infusion apparatus body by means of the internal thread structure and the external thread structure.

Specifically, the infusion apparatus body is provided with a through hole, the operating piece is provided with a groove body corresponding to the through hole, and the pressing piece is arranged between the through hole and the groove body.

Specifically, the cell body includes dodges the groove and supports and press the groove, when the operating part is relative the transfusion system body stretches out, support and press the groove with compress tightly the piece and press to the through-hole so that compress tightly the piece and be in the extended position, when the operating part was relative the transfusion system body withdrawal, compress tightly the piece withdrawal dodge the groove so that compress tightly the piece and be in the withdrawal position.

Specifically, the pressing piece is a ball, and the through hole is a round hole.

Specifically, the diameter of the pressing piece is larger than that of the through hole.

In particular, the infusion set plug further comprises a resilient member providing a resilient force tending to cause the compression member to move from the extended position to the retracted position.

Preferably, the infusion apparatus body is provided with a cavity for an opening of the infusion part to extend into, and the needle is arranged in the cavity.

Compared with the prior art, the infusion apparatus plug of the utility model combines the infusion apparatus body, the operating part and the pressing part together, the needle head is arranged in the infusion apparatus body, not only the communication with the infusion part is realized, but also the built-in of the needle head can effectively avoid the phenomenon of puncture when the needle head is arranged outside, the operating part is movably arranged on the infusion apparatus body, the pressing part is arranged between the infusion apparatus body and the operating part, the pressing part is provided with a retraction position and an extension position for pressing the opening of the infusion part, when the pressing part is at the retraction position, a user can easily separate the infusion apparatus plug from the infusion part, when the pressing part is at the extension position, the pressing part can press the opening of the infusion part, thereby realizing the connection between the infusion apparatus plug and the infusion part, further leading the built-in needle head to be communicated with the infusion bottle, and simultaneously, the connection stability can be improved, the infusion apparatus is prevented from falling off, the safety is improved, and the pressing piece is switched between the retraction position and the extension position by operating the operating piece, so that the use convenience is improved.

Drawings

Fig. 1 is a schematic perspective view of the infusion set plug of the present invention.

Fig. 2 is a schematic perspective view of another angle of the infusion set plug of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the infusion set plug of the present invention.

Fig. 4 is a partial enlarged view of the infusion set plug a of fig. 3.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Referring to fig. 1 to 4, showing the specific structure of the infusion apparatus plug 100 of the present invention, the infusion apparatus plug 100 includes an infusion apparatus body 1, an operating member 2 and a pressing member 3, a needle 11 is disposed on the infusion apparatus body 1, the infusion apparatus body 1 has a cavity 14 for inserting a mouth of an infusion bottle, the cavity 14 is disposed in the needle 11, a solution cavity 15 is disposed below the cavity 14, the needle 11 is communicated with the solution cavity 15, not only the communication between the infusion apparatus plug 100 and the infusion member 200 is realized, but also the needle 11 is disposed in the cavity to effectively avoid the puncture phenomenon caused by the external arrangement of the needle 11, and the pollution of the needle 11 can be effectively avoided, the operating member 2 is movably disposed in the infusion apparatus body 1, the pressing member 3 is disposed between the infusion apparatus body 1 and the operating member 2, the pressing member 3 has a retraction position and an extension position for pressing an opening of the infusion member 200, when the pressing member 3 is in the retraction position, the user can be easily with transfusion system plug 100 with infusion 200 separation, when pressing down 3 and being in the extended position, pressing down 3 can compress down infusion 200 openings to realize the stability of being connected between transfusion system plug 100 and the infusion 200, avoided dropping of transfusion system plug 100, improve the security, operation operating parts 2 makes pressing down 3 and switches between the retracted position and the extended position, thereby improve the convenience of using. It is understood that the opening of the infusion member 200 can be, but is not limited to, the mouth of an infusion bottle or a rigid opening of an infusion bag. More specifically, the following:

referring to fig. 1 to 4, the infusion set plug 100 further includes an elastic member (not shown), the operating member 2 is externally sleeved on the infusion set body 1, the operating member 2 extends and retracts relative to the infusion set body 1, the operating member 2 moves along the axial direction of the infusion set body 1 to extend and retract the operating member 2 relative to the infusion set body 1, the pressing member 3 constantly has a trend of moving from the extended position to the retracted position, the elastic member provides an elastic force that enables the pressing member 3 to have a trend of moving from the extended position to the retracted position, when the operating member 2 extends relative to the infusion set body 1, the pressing member 3 moves from the retracted position to the extended position under the pushing of the operating member 2, and when the operating member 2 retracts relative to the infusion set body 1, the pressing member 3 moves from the extended position to the retracted position under the pushing of the operating member 2. It will be understood that the elastic element can be deleted by the manufacturer as required, and when the elastic element is deleted, the pressing element 3 is in a released state after the pushing of the operating element 2 is lost, so as to move from the extended position to the retracted position.

Referring to fig. 1 to 4, the operating element 2 is provided with an internal thread structure 21, the infusion apparatus body 1 is provided with an external thread structure 12, the operating element 2 is made to extend relative to the infusion apparatus body 1 by means of the internal thread structure 21 and the external thread structure 12, the external thread structure 12 and the internal thread structure 21 form a locking structure which is matched with each other, the operating element 2 is made to extend relative to the infusion apparatus body 1 by rotating the operating element 2, not only is the locking stability improved, but also the operation is convenient.

Referring to fig. 1 to 4, the infusion apparatus body 1 has a through hole 13, the operating element 2 has a trough 22 corresponding to the through hole 13, the pressing element 3 is disposed between the through hole 13 and the trough 22, the through hole 13 is located above the internal thread structure 21, and the trough 22 is located above the external thread structure 12. Specifically, the housing body 22 includes an avoiding groove 221 and a pressing groove 222, when the operating element 2 extends relative to the infusion set body 1, the pressing groove 222 presses the pressing element 3 towards the through hole 13, so that the pressing element 3 is in the extending position, and when the operating element 2 retracts relative to the infusion set body 1, the pressing element 3 retracts to avoid the avoiding groove 221, so that the pressing element 3 is in the retracting position. Preferably, the pressing piece 3 is a ball body, the through hole 13 is a round hole, the pressing piece 3 of the ball body structure is used for pressing the opening of the infusion piece 200, the stress is uniform, and the clamping stability is improved. The diameter of the pressing member 3 is larger than that of the through hole 13, thereby preventing the pressing member 3 from coming off.

In summary, referring to fig. 1 to 4, a detailed description will be made of the use process of the plug 100 of the infusion apparatus of the present invention:

when the plug 100 of the infusion apparatus is required to be connected with the infusion part 200, the opening of the infusion part 200 extends into the cavity 14, so that the needle 11 in the cavity 14 is inserted into the infusion part 200, and conduction is formed, the operating part 2 is rotated to extend the operating part 2 relative to the infusion apparatus body 1, so that the pressing groove 222 of the operating part 2 pushes the pressing part 3 to press the opening of the infusion part 200, the pressing part 3 is located at the extending position, and stable connection between the plug 100 of the infusion apparatus and the infusion part 200 is realized.

When the infusion set plug 100 needs to be separated from the infusion set 200, the operating part 2 is rotated to enable the operating part 2 to retract relative to the infusion set body 1, so that the pressing part 3 is located in the avoiding groove 221 of the operating part 2, the pressing part 3 is located at the retracting position, and stable connection between the infusion set plug 100 and the infusion set 200 is achieved.

By combining the infusion apparatus body 1, the operating part 2 and the pressing part 3 together, the needle 11 is arranged in the infusion apparatus body 1, not only the communication with the infusion part 200 is realized, but also the built-in of the needle 11 can effectively avoid the phenomenon of puncture when the needle 11 is externally arranged, the operating part 2 is movably arranged on the infusion apparatus body 1, the pressing part 3 is arranged between the infusion apparatus body 1 and the operating part 2, the pressing part 3 is provided with a retraction position and a stretching position for pressing the opening of the infusion part 200, when the pressing part 3 is at the retraction position, a user can easily separate the plug 100 of the infusion apparatus from the infusion part 200, when the pressing part 3 is at the stretching position, the pressing part 3 can press the opening of the infusion part 200, thereby realizing the connection between the plug 100 of the infusion apparatus and the infusion part 200, further leading the built-in needle 11 to be communicated with an infusion bottle, and simultaneously, the stability of the connection can be improved, the transfusion device is prevented from falling off, the safety is improved, and the pressing piece 3 is switched between the retraction position and the extension position by operating the operating piece 2, so that the use convenience is improved.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims

1. The plug of the infusion apparatus is characterized by comprising an infusion apparatus body, an operating part and a pressing part, wherein a needle head is arranged in the infusion apparatus body, the operating part is movably arranged on the infusion apparatus body, the pressing part is arranged between the infusion apparatus body and the operating part, the pressing part is provided with a retracting position and a protruding position for pressing an opening of the infusion part, and the operating part is operated to enable the pressing part to be switched between the retracting position and the protruding position.

2. The infusion set plug according to claim 1, wherein the operating member is externally sleeved on the infusion set body, the operating member extends and retracts relative to the infusion set body, the pressing member has a constant tendency to move from the extended position to the retracted position, and the pressing member moves from the retracted position to the extended position under the pushing of the operating member when the operating member extends relative to the infusion set body.

3. The infusion set plug according to claim 2, wherein the operating member is provided with an internal thread structure, the infusion set body is provided with an external thread structure, and the operating member is made to extend and retract relative to the infusion set body by means of the internal thread structure and the external thread structure.

4. The infusion set plug according to claim 2, wherein the infusion set body has a through hole, the operating member has a trough corresponding to the through hole, and the pressing member is disposed between the through hole and the trough.

5. The infusion set plug according to claim 4, wherein the housing includes an avoidance slot and a pressing slot, the pressing slot presses the pressing member toward the through hole to allow the pressing member to be in the extended position when the operating member is extended with respect to the infusion set body, and the pressing member retracts into the avoidance slot to allow the pressing member to be in the retracted position when the operating member is retracted with respect to the infusion set body.

6. The infusion set plug according to claim 4, wherein the compressing member is a sphere and the through hole is a circular hole.

7. The infusion set plug according to claim 6, wherein the compression member has a diameter greater than the diameter of the through hole.

8. The infusion set plug according to claim 2, further comprising a resilient member providing a spring force tending to cause the compression member to move from the extended position to the retracted position.

9. The infusion set plug according to claim 1, wherein the infusion set body has a cavity into which an opening of an infusion set extends, and the needle is disposed in the cavity.