CN219814708U - Closed type dispensing connector - Google Patents

Abstract

The utility model discloses a closed dispensing connector, which comprises: the needle stand is provided with a guide protruding part, is provided with an inserting needle and is used for being connected with a syringe; a sleeve on which a stopper is formed; the movable seat is provided with a buckling part at the top end, a bending guide groove is formed on the side wall of the movable seat, the buckling part is matched with the stop part to prevent the needle seat from loosening on the sleeve, the movable seat and the sleeve are coaxially arranged, the sleeve surrounds the outer ring of the movable seat, and the needle seat is movably inserted in the sleeve; the needle seat can move in the sleeve, and the guide protruding part can slide in the bending guide groove and drive the movable seat to rotate.

Description

Closed type dispensing connector

Technical Field

The utility model belongs to the technical field of medical auxiliary instruments, and particularly relates to a closed dispensing connector.

Background

Often, the medicine needs to be filled in the dispensing connector in the dispensing process, but the medicine can be exposed to the air due to poor sealing performance of some dispensing devices in the dispensing process, so that the body health of medical staff can be adversely affected.

In view of the foregoing, it is desirable to provide a new sealed dispensing connector that overcomes the above-described drawbacks.

Disclosure of Invention

The utility model aims to provide a closed dispensing connector, which can prevent liquid medicine from leaking in the whole use process, can ensure that a penetrating needle cannot overflow medicine, has excellent sealing performance and can not bring adverse effects to the health of medical staff.

In order to achieve the above object, the present utility model provides a sealed dispensing connector comprising:

the needle stand is provided with a guide protruding part, is provided with an inserting needle and is used for being connected with a syringe;

a sleeve on which a stopper is formed;

the movable seat is provided with a buckling part at the top end, a bending guide groove is formed on the side wall of the movable seat, the buckling part is matched with the stop part to prevent the needle seat from loosening on the sleeve, the movable seat and the sleeve are coaxially arranged, the sleeve surrounds the outer ring of the movable seat, and the needle seat is movably inserted in the sleeve;

the needle seat can move in the sleeve, and the guide protruding part can slide in the bending guide groove and drive the movable seat to rotate.

Preferably, the hub comprises a catheter within which the penetrating needle is mounted.

Preferably, a guide piece is formed on the outer wall of the guide tube, and the guide boss is formed on the guide piece.

Preferably, the number of the guide plates is four, the four guide plates are distributed in a cross shape along the outer wall of the catheter, and the two opposite guide plates are provided with guide protruding parts.

Preferably, the top end of the catheter is connected with the injector, and an anti-slip tooth structure is arranged on the catheter.

Preferably, the sleeve and the movable seat are both cylindrical, and the inner diameter of the sleeve is larger than the outer diameter of the movable seat.

Preferably, a rubber pad is arranged at the bottom of the movable seat, and when the needle seat approaches the fixed seat in the sleeve, the inserted needle penetration rubber pad on the needle seat extends out of the movable seat.

Compared with the prior art, the beneficial effects are that: the penetration needle penetration rubber pad on the needle seat extends out of the movable seat so that the penetration needle can be inserted into the medicine bottle, the top end of the needle seat is connected with the injector, so that medicine in the medicine bottle can be sucked out in the environment with good sealing performance, the medicine liquid can not leak in the whole use process, the penetration needle can not overflow the medicine, the sealing performance is excellent, and adverse effects on the health of medical staff can not be brought.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a sealed dispensing connector provided by the present utility model.

Fig. 2 is a cross-sectional view of the sealed dispensing connector shown in fig. 1.

Fig. 3 is a perspective view of the movable mount of the sealed dispensing connector shown in fig. 1.

Reference numerals: 1. a needle stand; 11. a guide boss; 12. inserting a needle; 13. a conduit; 14. a guide piece; 15. an anti-slip tooth structure; 2. a sleeve; 21. a stop portion; 3. a movable seat; 31. a buckling part; 32. bending the guide groove; 33. rubber cushion; 4. a fixing seat; 5. a medicine bottle.

Detailed Description

In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.

It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. It will be apparent to those skilled in the art that the terms described above have the particular meaning in the present utility model, as the case may be.

Furthermore, the terms "first," "second," and the like, 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. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. Furthermore, the meaning of "a plurality of", "a number" means two or more, unless specifically defined otherwise.

Referring to fig. 1 to 3, the present utility model provides a sealed dispensing connector, comprising:

the needle stand 1, form the guide protruding part 11 on the said needle stand 1, there are penetrating needles 12 on the said needle stand 1, the said needle stand 1 is used for connecting the syringe;

a sleeve 2, wherein a stop part 21 is formed on the sleeve 2;

the movable seat 3, the top of the movable seat 3 forms the annular buckling part 31, the sidewall of the movable seat 3 is provided with the bending guide groove 32, the buckling part 31 cooperates with the stop part 21 to prevent the needle seat 1 from loosening on the sleeve 2, the movable seat 3 is arranged coaxially with the sleeve 2 and the sleeve 2 surrounds the outer ring of the movable seat 3, the needle seat 1 is movably inserted in the sleeve 2;

when the needle seat 1 approaches the bottom end of the movable seat 3 in the sleeve 2, the penetrating needle 12 on the needle seat 1 extends into the outside of the movable seat 3, and when the needle seat 1 abuts against the bottom end of the movable seat 3, the guide protruding part 11 can slide in the bending guide groove 32 and drive the movable seat 3 to rotate.

Further, the needle holder 1 includes a catheter 13, and the insertion needle 12 is mounted in the catheter 13.

Further, a guide piece 14 is formed on the outer wall of the catheter 13, the guide protrusion 11 is formed on the guide piece 14, and the guide piece 14 prevents the needle hub 1 from rotating. In this embodiment, the number of the guide pieces 14 is four, and the four guide pieces 14 are distributed in a cross shape along the outer wall of the catheter 13, wherein two guide pieces 14 are formed with guide protrusions 11.

Further, the tip of the catheter 13 is connected to the syringe and the catheter 13 is provided with an anti-slip tooth structure 15 to prevent the needle holder 1 from loosening when connected to the corresponding syringe.

Further, the sleeve 2 and the movable seat 3 are both cylindrical, and the inner diameter of the sleeve 2 is larger than the outer diameter of the movable seat 3.

Further, the bottom of the movable seat 3 is provided with a rubber pad 33, when the needle seat 1 approaches the fixed seat in the sleeve 2, the penetrating needle 12 on the needle seat 1 penetrates through the rubber pad 33 and extends out of the movable seat 3, so that the penetrating needle 12 is inserted into a medicine bottle (penicillin bottle), and the top end of the needle seat 1 is connected with a syringe to suck medicine in the medicine bottle in a good-sealing environment.

When the medicine bottle is used, the fixed seat is sleeved at the top end of the medicine bottle, the sleeve 2 of the closed dispensing connector is inserted on the top of the fixed seat, the rubber cushion 33 is tightly attached to the elastic sealing cover of the medicine bottle to prevent medicine leakage in the puncturing process, when the needle seat 1 continues to move downwards, the guide protruding part 11 can slide in the bending guide groove 32 and drive the movable seat 3 to rotate, at the moment, the penetrating needle 12 punctures the rubber cushion 33 and the elastic sealing cover of the medicine bottle to enter the penicillin bottle, a passage is formed between the syringe and the penicillin bottle, medicine liquid can be extracted, and sealing is ensured not to be loosened at the same time.

When the needle stand 1 is disconnected, the needle stand 1 moves upwards, the penetrating needle 12 is retracted into the movable stand 3 completely after exiting the medicine bottle and the rubber cushion 33, at the moment, the guide protruding part 11 slides in the bending guide groove 32 of the movable stand 3 to drive the movable stand 3 to rotate, the rubber cushion 33 is separated from the elastic sealing cover rubber cushion 33, at the moment, the penetrating needle 12 exits from the rubber cushion 33 and enters into the airtight space formed by the movable stand 3 and the rubber cushion 33, the elastic sealing cover of the medicine bottle can be automatically sealed due to the elasticity of the material after the penetrating needle 12 exits, and the medicine liquid can not leak in the whole use process, and can also be ensured that the penetrating needle 12 can not overflow the medicine.

The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and examples shown and described herein.

Claims (7)

1. A sealed dispensing connector comprising:

the needle stand (1), a guide protruding part (11) is formed on the needle stand (1), an inserting needle (12) is arranged on the needle stand (1), and the needle stand (1) is used for being connected with a syringe;

a sleeve (2), wherein a stop part (21) is formed on the sleeve (2);

the movable seat (3), the top of the movable seat (3) is formed with a buckling part (31), the side wall of the movable seat (3) is provided with a bending guide groove (32), the movable seat (3) and the sleeve (2) are coaxially arranged, the sleeve (2) is enclosed on the outer ring of the movable seat (3), and the needle seat (1) is movably inserted in the sleeve (2);

the needle seat (1) can move in the sleeve (2), and the guide protruding part (11) can slide in the bending guide groove (32) and drive the movable seat (3) to rotate.

2. A sealed dispensing connector according to claim 1, wherein the needle hub (1) comprises a catheter (13), the penetrating needle (12) being mounted within the catheter (13).

3. A sealed dispensing connector according to claim 2, wherein a guide piece (14) is formed on the outer wall of the conduit (13), and the guide boss (11) is formed on the guide piece (14).

4. A sealed dispensing connector according to claim 3, wherein the number of guide tabs (14) is four, the four guide tabs (14) being distributed in a cross along the outer wall of the conduit (13), wherein two opposing guide tabs (14) are formed with guide bosses (11).

5. A sealed dispensing connector according to claim 3, characterized in that the tip of the catheter (13) is connected to a syringe and that the catheter (13) is provided with an anti-slip tooth structure (15).

6. A sealed dispensing connector according to claim 1, wherein the sleeve (2) and the movable seat (3) are cylindrical, the inner diameter of the sleeve (2) being larger than the outer diameter of the movable seat (3).

7. A sealed dispensing connector according to claim 1, wherein a rubber pad (33) is mounted at the bottom of the movable seat (3), and when the needle seat (1) approaches the fixed seat in the sleeve (2), the rubber pad (33) is penetrated by a penetrating needle (12) on the needle seat (1) and extends out of the movable seat (3).