CN213252470U

CN213252470U - Portable drug delivery device

Info

Publication number: CN213252470U
Application number: CN202021125204.5U
Authority: CN
Inventors: 蔡建华
Original assignee: Jiangsu Dream Biotechnology Co ltd
Current assignee: Jiangsu Dream Biotechnology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-25
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a portable drug delivery device, which comprises a ceramic coat, wherein the ceramic coat comprises a coat main body, a metal lining is arranged on the inner wall of the coat main body, one side of the position of the metal lining, which is close to the upper end, is provided with a drug inlet which protrudes out of the coat main body, and one side of the metal lining, which is close to the lower end, is provided with a drug outlet, the interior of the metal lining is provided with a first piston and a second piston which are arranged side by side up and down, the space between the first piston and the second piston forms a liquid drug cavity, a spring is fixed between the second piston and the position of the first piston, which is close to the two sides, the spring is sheathed with a guide rod, the upper end of the guide rod passes through the upper surface of the first piston, and the lower end of the guide rod is fixed with the upper surface of the second piston, the utility model, the liquid medicine can be fed into the anus only by continuously pushing the piston.

Description

Portable drug delivery device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a portable drug delivery device.

Background

For the treatment of haemorrhoids, can adopt the solid medicine to fill in the inside of anus, but the solid medicine is difficult for absorbing, so the current liquid medicine that has more pours into the anus into and treats, and current liquid medicine is for convenient the medicine of dosing, generally sets up to pack into a small bottle by flexible plastic bottle, with inside the medicine extrudeing the anus through flexible plastic bottle when waiting to use, but the extravagant packing bottle of this kind of mode to it is also not convenient enough to dose, so need the medicine feeder who conveniently carries to solve this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable device of dosing to solve the extravagant packing bottle of the mode of dosing among the prior art, so need a problem that this problem was solved to the device of dosing that conveniently carries.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable device of dosing, includes the ceramic overcoat, the ceramic overcoat includes the overcoat main part, be provided with the metal inside lining on the inner wall of overcoat main part, the metal inside lining is close to position one side of upper end and is provided with the protrusion in the medicine inlet of overcoat main part, and one side that the metal inside lining is close to the lower extreme is provided with out the medicine mouth, the inside of metal inside lining is provided with upper and lower first piston and second piston side by side, space between first piston and the second piston forms the liquid medicine cavity, the second piston is fixed with the spring with first piston between being close to the position of both sides, the inside cover of spring is equipped with the guide arm, the upper surface of first piston is passed to the upper end of guide arm, and the lower extreme of guide arm is fixed mutually with the upper surface.

Preferably, the upper end of the guide rod is integrally formed with a limiting plate, and the guide rod and the limiting plate are made of stainless steel.

Preferably, the one end that advances the medicine mouth and keep away from metal inside lining is installed sealed lid, and sealed lid and advance medicine mouth and pass through the screw thread and rotate the connection.

Preferably, a piston main rod is installed in the middle of the upper surface of the first piston, and the upper end of the piston main rod penetrates through the upper surface of the ceramic outer sleeve.

Preferably, the pressing plate is integrally formed at the upper end of the piston main rod, and the piston main rod and the pressing plate are made of stainless steel.

Preferably, the lower end of the jacket main body is integrally formed with a bullet head.

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

1. the utility model has small volume and is convenient to carry;

2. the utility model discloses inside only needing to last to promote the piston can give into the anus with liquid medicine, whole operation is comparatively convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the spring assembly of the present invention;

fig. 3 is a first position diagram of the downward movement of the piston according to the present invention;

fig. 4 is a second position diagram of the downward movement of the piston according to the present invention;

fig. 5 is a third position diagram of the downward movement of the piston according to the present invention.

In the figure: 1. a sealing cover; 2. a ceramic outer sleeve; 21. a jacket main body; 22. a bullet head; 3. a spring; 4. a guide bar; 41. a limiting plate; 5. a second piston; 6. a liquid medicine chamber; 7. a piston main rod; 8. pressing a plate; 9. a first piston; 10. a medicine outlet; 11. a medicine inlet; 12. and (3) a metal lining.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a portable drug delivery device includes a ceramic outer cover 2, the ceramic outer cover 2 includes an outer cover main body 21, a bullet head 22 is integrally formed at a lower end of the outer cover main body 21, the bullet head 22 enables the ceramic outer cover 2 to be conveniently inserted into an anus, and an outer surface of the ceramic outer cover 2 should be polished to be smooth to avoid an uncomfortable phenomenon caused by unsmooth outer portion of the outer cover when the outer cover is inserted into the anus;

with reference to fig. 1, a metal lining 12 is arranged on the inner wall of the jacket main body 21, a medicine inlet 11 protruding out of the jacket main body 21 is arranged on one side of the metal lining 12 close to the upper end, a sealing cover 1 is arranged on one end of the medicine inlet 11 far away from the metal lining 12, the sealing cover 1 is rotatably connected with the medicine inlet 11 through threads, a medicine outlet 10 is arranged on one side of the metal lining 12 close to the lower end, the inside of the metal lining 12 is smooth, and liquid medicine to be used enters through the medicine inlet 11 and is discharged from the medicine outlet 10 by opening the sealing cover 1;

as shown in fig. 1 and 2, a first piston 9 and a second piston 5 are arranged in parallel in the metal liner 12, a space between the first piston 9 and the second piston 5 forms a liquid medicine chamber 6, and liquid medicine entering the metal liner 12 from a medicine inlet 11 temporarily stores the liquid medicine entering the liquid medicine chamber 6;

continuing to refer to fig. 1, a piston main rod 7 is installed in the middle of the upper surface of the first piston 9, the upper end of the piston main rod 7 penetrates through the upper surface of the ceramic outer sleeve 2, a pressing plate 8 is integrally formed at the upper end of the piston main rod 7, the piston main rod 7 and the pressing plate 8 are made of stainless steel, and when the pressing plate 8 is pushed, the piston main rod 7 can push the first piston 9 and the first piston 9 downwards;

as shown in fig. 1 and 2, a spring 3 is fixed between the second piston 5 and the first piston 9 near to both sides, a guide rod 4 is sleeved inside the spring 3, the upper end of the guide rod 4 passes through the upper surface of the first piston 9, and the lower end of the guide rod 4 is fixed to the upper surface of the second piston 5, because the liquid medicine chamber 6 is filled with liquid medicine and the piston main rod 7 moves downward, the second piston 5 moves along with the liquid medicine chamber, the spring 3 is not compressed at this time, the whole liquid medicine chamber 6 moves downward until the second piston 5 reaches the lowest part of the metal liner 12 (as shown in fig. 4), and when the pressing plate 8 is further pressed downward, the spring 3 is compressed, the first piston 9 moves downward along the guide rod 4, and the liquid medicine can be pressed into the medicine outlet 10 for medicine discharge (as shown in fig. 5);

as shown in fig. 2, a limiting plate 41 is integrally formed at the upper end of the guide rod 4, and the guide rod 4 and the limiting plate 41 are made of stainless steel, so that the limiting plate 41 can prevent the guide rod 4 and the first piston 9 from being separated from each other when the first piston 9 moves upward.

The utility model discloses a theory of operation and use flow: when the device is used, firstly, the sealing cover 1 is opened to send liquid medicine into the liquid medicine chamber 6 from the medicine inlet 11, then the sealing cover 1 is closed, then the device is inserted into the anus through the bullet head 22, the pressing plate 8 is pushed, so that the pressing plate 8 drives the piston main rod 7 to push the first piston 9, as the liquid medicine chamber 6 is filled with the liquid medicine, when the piston main rod 7 moves downwards, the second piston 5 moves along with the liquid medicine, the spring 3 is not compressed at the moment, the whole liquid medicine chamber 6 moves downwards (the device is changed from the state shown in figure 1 to the state shown in figure 3), until the second piston 5 reaches the lowest part of the metal lining 12 (the device is changed from the state shown in figure 3 to the state shown in figure 4), when the pressing plate 8 is pressed downwards again, the spring 3 is compressed, the first piston 9 moves downwards along the guide rod 4, the volume of the liquid medicine chamber 6 is smaller, the liquid medicine can be pressed into the medicine outlet 10 to be discharged (the device is changed from the state shown in fig. 4 to the state shown in fig. 5), the medicine can be administered, the piston main rod 7 is pulled after the medicine is administered, the spring 3 provides an upward thrust for the first piston 9, the liquid medicine chamber 6 is restored to the original size, and the device can be restored to the state shown in fig. 1 by continuously pulling the piston main rod 7.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable medication delivery device, characterized by: comprises a ceramic coat (2), the ceramic coat (2) comprises a coat main body (21), a metal lining (12) is arranged on the inner wall of the coat main body (21), one side of the position of the metal lining (12) close to the upper end is provided with a medicine inlet (11) protruding out of the coat main body (21), one side of the metal lining (12) close to the lower end is provided with a medicine outlet (10), the inside of the metal lining (12) is provided with a first piston (9) and a second piston (5) which are arranged side by side up and down, the space between the first piston (9) and the second piston (5) forms a liquid medicine chamber (6), a spring (3) is fixed between the positions of the second piston (5) and the first piston (9) close to the two sides, a guide rod (4) is sleeved inside the spring (3), and the upper end of the guide rod (4) passes through the upper surface of the first piston (9), and the lower end of the guide rod (4) is fixed with the upper surface of the second piston (5).

2. A portable medication delivery device according to claim 1, wherein: the upper end of the guide rod (4) is integrally formed with a limiting plate (41), and the guide rod (4) and the limiting plate (41) are made of stainless steel.

3. A portable medication delivery device according to claim 1, wherein: the one end that advances medicine mouth (11) and keep away from metal inside lining (12) is installed sealed lid (1), and sealed lid (1) passes through the screw thread rotation with advancing medicine mouth (11) and is connected.

4. A portable medication delivery device according to claim 1, wherein: the middle of the upper surface of the first piston (9) is provided with a piston main rod (7), and the upper end of the piston main rod (7) penetrates through the upper surface of the ceramic outer sleeve (2).

5. A portable medication delivery device according to claim 4, wherein: the upper end of the piston main rod (7) is integrally formed with a pressing plate (8), and the piston main rod (7) and the pressing plate (8) are made of stainless steel.

6. A portable medication delivery device according to claim 1, wherein: the lower end of the jacket main body (21) is integrally formed with a bullet head (22).