CN218900198U - Medicine mixer for plastic ampoule - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to a medicine mixer for a plastic ampoule, which comprises a through needle and a shell, wherein the shell is of a cup-shaped structure, the through needle is arranged on the central axis of the shell, a notch is arranged at the opening of the shell, the lower part of the through needle penetrates through the bottom of the shell to be connected with a medicine mixing channel, the side wall of the through needle is provided with a long medicine inlet and a bottom medicine inlet, and the long medicine inlet and the bottom medicine inlet are communicated with the medicine mixing channel; the seal sleeve is sleeved outside the through needle, the inner wall of the seal sleeve is tightly attached to the outer wall of the through needle, the seal sleeve comprises a seal block plate, a waist portion and a limit plate, the seal block plate and the limit plate are respectively arranged at two ends of the waist portion, the waist portion is used as a shaft to be in a line roller structure, the outer side of the seal block plate is a taper surface, the limit plate is attached to the shell, and the seal sleeve covers the long medicine inlet and the bottom medicine inlet. The medicine mixer for the plastic ampoule is safe, sanitary, simple to operate and suitable for mass production.

Description

Medicine mixer for plastic ampoule

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a medicine mixer for a plastic ampoule.

Background

Currently, with the development of blow-fill-seal technology, more and more plastic ampoules are used in pharmaceutical production. On the other hand, the medicine mixer is applied to clinic, is used for the medicine mixing operation of penicillin bottles and injection, and plastic ampoule forming dies of various medicine production enterprises are different, so that the opening aperture is different after the product is twisted off, and the medicine mixer which can be applied to the plastic ampoule is not available in the medicine market, and the medicine in the plastic ampoule can be extracted by the needle-containing injector for medicine mixing operation, so that the needle penetration injury is easy to be caused, and the risk of cross contamination is increased.

Disclosure of Invention

The utility model aims to solve the technical problems of providing a medicine mixer for plastic ampoule, which is safe and sanitary, simple in use and operation and suitable for mass production.

The utility model relates to a medicine mixer for a plastic ampoule, which comprises a through needle and a shell, wherein the shell is of a cup-shaped structure, and the through needle is arranged on the central axis of the shell; the seal sleeve is sleeved outside the through needle, the inner wall of the seal sleeve is tightly attached to the outer wall of the through needle, the seal sleeve comprises a seal block plate, a waist portion and a limit plate, the seal block plate and the limit plate are respectively arranged at two ends of the waist portion, the waist portion is used as a shaft to be in a line roller structure, the outer side of the seal block plate is a taper surface, the limit plate is attached to the shell, and the seal sleeve covers the long medicine inlet and the bottom medicine inlet.

The opening of the shell is provided with a notch which is convenient for abutting the combined cover on the transfusion container.

Preferably, the housing and the through needle are of an integral injection molded construction.

Preferably, the outer wall of the through needle is provided with a jogged convex ring, the inner wall of the sealing sleeve is provided with a jogged concave ring, and the jogged concave ring and the jogged convex ring are jogged with each other.

Preferably, the medicine mixing channel is provided with a luer collar.

Preferably, the gland is a rubber gland, preferably made of one of halogenated butyl rubber or polyisoprene rubber.

The outside of the plugging plate is a taper surface, and the plugging plate can be attached to an open plastic ampoule, so that the sealing effect is achieved through pressure. The seal cover adopts the rubber material, and its unique thin waist design accessible extrusion makes waist deform, just exposes the medicine inlet when only carrying out the medicine operation of mixing, and the medicine is accomplished and is closed the medicine inlet, furthest guarantees clinical safety in utilization, takes place secondary pollution when avoiding mixing.

Preferably, the bottom inlet is smaller than the long inlet.

The side wall of the through needle is provided with 2-6 symmetrical long medicine inlets and 2-4 symmetrical bottom medicine inlets, and the long medicine inlets and the bottom medicine inlets are arranged to ensure that medicine taking operation can be carried out rapidly and without medicine liquid residues when various plastic ampoule in opening form are in butt joint. The bottom medicine inlet is smaller than the long medicine inlet, and the quantity of the bottom medicine inlet is smaller than the quantity of the long medicine inlet, so that the stability of penetration of the through needle is improved, and the through needle is prevented from being broken.

When the utility model is manufactured, the shell with the through needle is firstly formed by integral injection molding, and then the rubber sealing sleeve is combined on the shell.

Compared with the prior art, the utility model has the beneficial effects that:

1. the clinical use safety and sanitation are ensured, and secondary pollution is avoided when the medicines are mixed;

2. the liquid medicine transfer of the plastic ampoule can be realized, the operation is convenient, the workload of medical staff is reduced, a steel needle is not needed in the medicine mixing process, the needle penetration injury is avoided, and the safety of the medical staff is protected;

3. the main plastic material has light weight, is not easy to break, is convenient to transport, has simple production process and is suitable for mass production.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present utility model;

fig. 2, schematic diagram of the sealing sleeve in fig. 1;

figure 3, a cross-sectional view of the sealing sleeve of figure 1;

fig. 4, a cross-sectional view of the through needle in fig. 1;

fig. 5, top view of fig. 1;

FIG. 6-1 is a sectional view of an embodiment of the present utility model in use, a drug mixing state;

FIG. 6-2 is a sectional view of an embodiment of the present utility model in use, a drug mixing completion;

in the figure, 1, a through needle; 2. a housing; 3. sealing sleeve; 31. a plugging plate; 32. a waist portion; 33. a limiting plate; 4. luer collar; 5. fitting the concave ring; 6. a long medicine inlet; 7. a medicine inlet at the bottom end; 8. fitting the convex ring; 9. a notch; 10. a drug mixing channel; 11. a plastic ampoule.

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings.

As shown in fig. 1-5, the medicine mixer for plastic ampoule of the utility model comprises a through needle 1 and a shell 2, wherein the shell 2 is of a cup-shaped structure, the through needle 1 is arranged on the axis of the shell 2, a notch 9 is arranged at the opening of the shell 2, the lower part of the through needle 1 passes through the bottom of the shell 2 to be connected with a medicine mixing channel 10, the side wall of the through needle 1 is provided with a long medicine inlet 6 and a bottom medicine inlet 7, and the long medicine inlet 6 and the bottom medicine inlet 7 are communicated with the medicine mixing channel 10; the seal sleeve 3 is sleeved outside the through needle 1, the inner wall of the seal sleeve 3 is tightly attached to the outer wall of the through needle 1, the seal sleeve 3 comprises a plugging plate 31, a waist portion 32 and a limiting plate 33, the plugging plate 31 and the limiting plate 33 are respectively arranged at two ends of the waist portion 32, the waist portion 32 is used as a shaft to form a linear roller structure, the outer side of the plugging plate 31 is a taper surface, the limiting plate 33 is attached to the shell 2, and the seal sleeve 3 covers the long medicine inlet 6 and the bottom medicine inlet 7. The shell 2 and the through needle 1 are of an integral injection molding structure, the outer wall of the through needle 1 is provided with a jogged convex ring 8, the inner wall of the sealing sleeve 3 is provided with a jogged concave ring 5, the jogged concave ring 5 and the jogged convex ring 8 are jogged with each other, the medicine mixing channel 10 is provided with a luer collar 4, the medicine inlet 7 at the bottom end is smaller than the medicine inlet 6, the sealing sleeve 3 is a rubber sealing sleeve, and the medicine mixing device can be made of one of halogenated butyl rubber or polyisoprene rubber.

As shown in fig. 6-1 and 6-2, when the medicine mixer is used, the medicine mixer is connected with a syringe luer, the medicine mixer is arranged above an opened plastic ampoule 11, pressure is applied to enable the opening of the plastic ampoule 11 to be attached to a blocking plate 31 of a sealing sleeve 3, the bottom end of the plastic ampoule 11 is pressed to turn over, meanwhile, larger pressure is applied to press the bottom end of the plastic ampoule 11, the blocking plate 31 is displaced, then a long medicine inlet 6 or a bottom end medicine inlet 7 is opened, a syringe piston is pulled outwards, medicine liquid in the plastic ampoule 11 enters the syringe through the long medicine inlet 6 or the bottom end medicine inlet 7, medicine liquid transfer is completed, the plastic ampoule 11 is removed, the syringe and the medicine mixer after taking medicine liquid are inserted into a combined cover part of an infusion bottle or an infusion bag through a through needle 1, the blocking plate 31 is displaced again, and medicine liquid in the syringe enters the infusion container through the long medicine inlet 6 or the bottom end medicine inlet 7, and medicine mixing operation is completed.

Claims (6)

1. The utility model provides a medicine mixer for plastic ampoule, including perforating needle (1) and casing (2), casing (2) are cup-shaped structure, perforating needle (1) sets up on casing (2) axis, its characterized in that, casing (2) opening part is equipped with incision (9), perforating needle (1) lower part passes casing (2) bottom and connects medicine mixing passageway (10), perforating needle (1) lateral wall is equipped with long medicine inlet (6) and bottom medicine inlet (7), long medicine inlet (6) and bottom medicine inlet (7) all UNICOM medicine mixing passageway (10); the utility model provides a through needle (1) overcoat has seal cover (3), seal cover (3) inner wall and through needle (1) outer wall closely laminate, seal cover (3) are including shutoff board (31), waist (32) and limiting plate (33), and shutoff board (31) and limiting plate (33) are located waist (32) both ends respectively to take waist (32) to be the line roller structure as the axle, the outside of shutoff board (31) is the tapering face, limiting plate (33) laminate with casing (2), seal cover (3) cover long medicine inlet (6) and bottom medicine inlet (7).

2. A mixer for plastic ampoules according to claim 1, characterised in that the housing (2) and the through needle (1) are of one-piece injection-moulded construction.

3. The medicine mixer for plastic ampoule according to claim 1, characterized in that the outer wall of the through needle (1) is provided with a jogged convex ring (8), the inner wall of the sealing sleeve (3) is provided with a jogged concave ring (5), and the jogged concave ring (5) and the jogged convex ring (8) are jogged with each other.

4. A mixer for plastic ampoules according to claim 1, characterised in that the mixing channel (10) is provided with a luer collar (4).

5. A mixer for plastic ampoules according to claim 1, characterised in that the sealing sleeve (3) is a rubber sealing sleeve.

6. A mixer for plastic ampoules according to claim 1, characterised in that the bottom inlet (7) is smaller than the long inlet (6).

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