CN213723573U

CN213723573U - Instant-mixing type double-head needle cover for large-capacity injection container

Info

Publication number: CN213723573U
Application number: CN202020799789.2U
Authority: CN
Inventors: 王振刚
Original assignee: Hebei Tiancheng Pharmaceutical Co ltd
Current assignee: Hebei Tiancheng Pharmaceutical Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-07-20
Anticipated expiration: 2030-05-14

Abstract

The utility model provides an instant double-head needle cover for a large-capacity injection container, which comprises a supporting cylinder and a guiding piece, wherein the guiding piece is sleeved in the supporting cylinder; the supporting cylinder comprises an upper silo and a lower silo, the outer diameter of the lower silo is smaller than the inner diameter of the upper silo, the guiding piece comprises a circular base, a double-ended needle and a clamping block, a clamping head is arranged at the upper end of the clamping block, and the double-ended needle penetrates through the center of the circular base; the circular base of the guide piece is positioned on the upper edge of the lower silo and forms sliding fit with the lower silo. The utility model is simple in operation, quick, the liquid-tight, the phenomenon that can effectively prevent to pollute the medicine in the operation process takes place.

Description

Instant-mixing type double-head needle cover for large-capacity injection container

Technical Field

The utility model belongs to the field of medicine packaging containers, specificly relate to a formula double-end needle lid is joined in marriage promptly to large capacity injection container.

Background

When clinical medicines are used, powder injection medicines or small-volume injections are often mixed with a large-volume injection bottle preparation solution and then injected for use. When the preparation is sterile powder for injection, the conventional common method comprises injecting a certain amount of liquid into a powder bottle by an injector, dissolving and diluting, extracting the mixed liquid from the powder bottle by the injector, and finally injecting into a large-capacity injection bottle; when the dosage form to be prepared is a plastic ampoule bottle of small-volume injection, the injection in the ampoule bottle needs to be extracted by a syringe and then injected into a large-volume injection bottle. The traditional method has complex operation steps, cross infection or environmental pollution is easily caused in a complex operation process, the work load of nurses is increased, the risk of aseptic operation is increased, and great hidden danger is brought to the medication safety.

The existing double-ended needle injection bottle cap has higher preparation process requirement and high preparation cost; and some liquid leakage phenomena are easy to occur in the liquid preparation process. Not only can the burden of patients be increased invisibly, but also the medicine pollution is easily caused by improper operation.

Disclosure of Invention

The utility model provides a high-capacity injection container that solves the prior art problem is with joining in marriage formula double-end needle lid promptly that novel structure, production simple process, leakproofness are good.

The utility model adopts the technical proposal that: an instant double-head needle cover for a large-capacity injection container comprises a supporting cylinder and a guide piece, wherein the guide piece is sleeved in the supporting cylinder; the supporting cylinder comprises an upper silo and a lower silo, the outer diameter of the lower silo is smaller than the inner diameter of the upper silo, the guiding piece comprises a circular base, a double-ended needle and a clamping block, a clamping head is arranged at the upper end of the clamping block, and the double-ended needle penetrates through the center of the circular base; the circular base of the guide piece is positioned on the upper edge of the lower silo and forms sliding fit with the lower silo.

Furthermore, the bottom of the supporting cylinder is also provided with a connecting seat, and the connecting seat comprises an outer wall, a rubber plug cylinder and an inner cover; the rubber plug cylinder and the inner cover are both positioned inside the connecting seat, the rubber plug cylinder is arranged on the inner cover, and a rubber plug is arranged in the rubber plug cylinder.

Furthermore, the edge of the bottom of the supporting cylinder is integrally connected with the upper edge of the wall of the connecting seat.

Furthermore, the round base is provided with a sliding block at the edge, and the inner wall of the supporting cylinder is provided with a slideway matched with the sliding block.

Furthermore, a sealing opening device is arranged at the upper opening of the supporting cylinder, and the opening device is one of a pull ring, an easily-torn film or aluminum foil.

Further, the bottom of the lower silo is also provided with a barrel bottom with a through hole.

Furthermore, the bottom of the lower silo is not provided with a bottom.

Furthermore, a handle is further arranged on the supporting cylinder.

Furthermore, a circle of lug boss is arranged on the upper surface of the upper edge of the wall of the connecting seat, and the lug boss is sleeved in the lower silo.

The utility model discloses the beneficial effect who obtains does: the supporting cylinder, the guiding piece and the connecting seat of the utility model can be produced independently and finally used together; the supporting barrel and the guide piece can also be directly welded with a large-capacity injection bottle for use after being connected. The guide piece has a simple structure and strong practicability, greatly simplifies the production process and reduces the production cost; support simultaneously and connect through the seam between a section of thick bamboo and the connecting seat, stability is high, the leakproofness is strong. The utility model discloses when making things convenient for medical worker to use, also can reduce patient's expense of using medicine, the leakproofness is good moreover, the practicality is strong, does benefit to and uses widely.

The utility model is simple in operation, quick, the liquid-tight, the phenomenon that can effectively prevent to pollute the medicine in the operation process takes place. Utilize the up-and-down motion of guide piece in a support section of thick bamboo and double needle head liquid channel, can realize the dissolving of powder in aseptic powder needle or the plastics ampoule and liquid fast and mix, greatly improve nurse's work efficiency and factor of safety.

Drawings

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

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a first cross-sectional view of the present invention;

fig. 4 is a second cross-sectional view of the present invention;

fig. 5 is a perspective view of the guide of the present invention;

fig. 6 is a third cross-sectional view of the present invention;

fig. 7 is a fourth cross-sectional view of the present invention;

wherein: 1-1 represents an upper silo, 1-2 represents a lower silo, 1-3 represents a circular base, 1-4 represents a double-ended needle, 1-5 represents a fixture block, 1-6 represents a pull ring, 1-7 represents a slideway and 1-8 represents a sliding block; 2 represents a connecting seat, and 3 represents a handle; 2-1 represents a boss, 2-2 represents a rubber plug cylinder, and 2-3 represents an inner cover.

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.

As shown in fig. 1-7, an instant double-ended needle cover for a large-volume injection container comprises a supporting cylinder and a guide piece, wherein the guide piece is sleeved in the supporting cylinder; the supporting cylinder comprises an upper silo 1-1 and a lower silo 1-2, the outer diameter of the lower silo 1-2 is smaller than the inner diameter of the upper silo 1-1, the guiding piece comprises a circular base 1-3, a double-ended needle 1-4 and a clamping block 1-5, a clamping head is arranged at the upper end of the clamping block 1-5, and the double-ended needle 1-4 penetrates through the center of the circular base 1-3; the circular base 1-3 of the guide piece is positioned on the upper edge of the lower silo 1-2 and forms sliding fit with the lower silo 1-2. The bottom of the supporting cylinder is also provided with a connecting seat 2, and the connecting seat 2 comprises an outer wall, a rubber plug cylinder 2-2 and an inner cover 2-3; the rubber plug cylinder 2-2 and the inner cover 2-3 are both positioned in the connecting seat 2, the rubber plug cylinder 2-2 is seated on the inner cover 2-3, and a rubber plug is arranged in the rubber plug cylinder 2-2. The edge of the bottom of the supporting cylinder is integrally connected with the upper edge of the wall of the connecting seat 2. The edge of the round base 1-3 is provided with a slide block 1-8, and the inner wall of the supporting cylinder is provided with a slide way 1-7 matched with the slide block 1-8. The upper opening of the supporting cylinder is provided with a sealing opening device, and the opening device is one of pull rings 1-6 or an easily-torn film or aluminum foil. The supporting cylinder is also provided with a handle 3. A circle of lug boss 2-1 is arranged on the upper surface of the wall of the connecting seat 2, and the lug boss 2-1 is sleeved in the lower silo 1-2.

The inner lid includes, but is not limited to, square, circular, or oval.

The bottom of the lower silo 1-2 can be provided with a cylinder bottom with a through hole or without the cylinder bottom. Fig. 3 and 4 are sectional views of the double-ended needle cover lower silo without a barrel bottom. Fig. 6 and 7 are sectional views of the integrated connection of the bottom opening of the silo with the through hole and the bottom of the silo with the double-head needle cover.

In the specific implementation: a instant double-head needle cover for a large-capacity injection container, a supporting cylinder, a guide piece and a connecting seat 2 can be independently prepared and produced, and then are sequentially combined and welded; in addition, the supporting cylinder and the connecting seat 2 can also be integrally molded.

When the double-ended needle is not used in a sealing state, the guide piece is sleeved in the supporting cylinder, and the double-ended needle sealing cover is fixed at the upper opening of the large-capacity injection solvent container. When dispensing, the opening device is opened, the injection powder or plastic ampoule bottle containing the reagent to be dispensed is inversely inserted into the guide piece, the needle head at the upper end of the double needle heads 1-4 is inserted into the rubber plug of the medicine bottle, the medicine bottle is slightly pushed downwards, and the guide piece starts to move downwards; when the guiding piece moves to the bottom of the lower silo 1-2, the clamping head 1-5 clamps the bottleneck of the medicine bottle, the medicine bottle is firm and safe, the needle head at the lower end of the double-ended needle 1-4 penetrates through the rubber plug in the connecting seat 2 at the moment, and the needle tip is exposed in the large-capacity injection solvent container; the solution in the large-volume injection solvent container flows into the medicine bottle by overturning, and the medicine powder or the solution in the medicine bottle is dissolved and mixed by repeatedly overturning and finally flows into the large-volume injection solvent container. The slideways 1-7 on the inner wall of the supporting cylinder are matched with the slide blocks 1-8 to ensure the stability of the guide piece, and the connecting seat 2 is internally provided with a rubber plug to ensure that liquid does not leak. When in transfusion, the lifting handle 3 is used for hanging the transfusion bottle.

Claims

1. The utility model provides a large capacity injection container is with joining in marriage formula double-end needle lid promptly which characterized in that: the guide piece is sleeved in the support cylinder; the supporting cylinder comprises an upper silo (1-1) and a lower silo (1-2), the outer diameter of the lower silo (1-2) is smaller than the inner diameter of the upper silo (1-1), the guide piece comprises a circular base (1-3), a double-ended needle (1-4) and a clamping block (1-5), a clamping head is arranged at the upper end of the clamping block (1-5), and the double-ended needle (1-4) penetrates through the central part of the circular base (1-3); the circular base (1-3) of the guide piece is positioned on the upper edge of the lower silo (1-2) and forms sliding fit with the lower silo (1-2).

2. A ready-to-use double-ended needle cap for large volume injection containers as defined in claim 1 wherein: the bottom of the supporting cylinder is also provided with a connecting seat (2), and the connecting seat (2) comprises an outer wall, a rubber plug cylinder (2-2) and an inner cover (2-3); the rubber plug cylinder (2-2) and the inner cover (2-3) are both positioned in the connecting seat (2), the rubber plug cylinder (2-2) is seated on the inner cover (2-3), and a rubber plug is arranged in the rubber plug cylinder (2-2).

3. A ready-to-use double-ended needle cap for large volume injection containers as defined in claim 1 wherein: the edge of the bottom of the supporting cylinder is integrally connected with the upper edge of the wall of the connecting seat (2).

4. A ready-to-use double-ended needle cap for large volume injection containers as defined in claim 1 wherein: the edge of the round base (1-3) is provided with a sliding block (1-8), and the inner wall of the supporting cylinder is provided with a slideway (1-7) matched with the sliding block (1-8).

5. A ready-to-use double-ended needle cap for large volume injection containers as defined in claim 1 wherein: the upper opening of the supporting cylinder is provided with a sealing opening device, and the opening device is one of pull rings (1-6), an easily-torn film or aluminum foil.

6. A ready-to-use double-ended needle cap for large volume injection containers as defined in claim 1 wherein: the bottom of the lower silo (1-2) is also provided with a cylinder bottom with a through hole.

7. A ready-to-use double-ended needle cap for large volume injection containers as defined in claim 1 wherein: the bottom of the lower silo (1-2) is not provided with a cylinder bottom.

8. A ready-to-use double-ended needle cap for large volume injection containers as defined in claim 1 wherein: the supporting cylinder is also provided with a handle (3).

9. The ready-to-use double-ended needle cap for large volume injection containers as set forth in claim 2, wherein: a circle of lug boss (2-1) is arranged on the upper surface of the wall of the connecting seat (2), and the lug boss (2-1) is sleeved in the lower silo (1-2).