CN218900485U

CN218900485U - Multi-dose dry powder drug delivery device

Info

Publication number: CN218900485U
Application number: CN202223585974.XU
Authority: CN
Inventors: 吴刚; 胡晋
Original assignee: Apta China Investment Co ltd; Apta Packaging Technology Daqing Co ltd; Apta Packaging Technology Harbin Co ltd; Guangzhou Yitong Packaging Co ltd; Apta Packaging Technology Suzhou Co ltd; Aptar Suzhou Dispensing Systems Co Ltd
Current assignee: Apta China Investment Co ltd; Apta Packaging Technology Daqing Co ltd; Apta Packaging Technology Harbin Co ltd; Guangzhou Yitong Packaging Co ltd; Apta Packaging Technology Suzhou Co ltd; Aptar Suzhou Dispensing Systems Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-25
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a multi-dose dry powder drug delivery device, which comprises a main body part and a drug bin part arranged in a sliding space of the main body part in a sliding way, wherein the drug bin part comprises a plurality of drug storage bins, and each drug storage bin is provided with at least one pair of vent holes; the medicine bin part slides in the sliding space to realize the switching between the medicine feeding state and the non-medicine feeding state. The utility model has simple structure, saves cost and is convenient to operate.

Description

Multi-dose dry powder drug delivery device

Technical Field

The utility model relates to the field of medical equipment, in particular to a multi-dose dry powder drug delivery device.

Background

The dry powder drug delivery device is a device for delivering a powdered drug through the nasal cavity or the oral cavity by active inhalation or spraying, wherein a sealed container is generally used for accommodating the powdered drug in the drug delivery device for the powdered drug inhaled into the respiratory tract, and when the dry powder drug delivery device is used, a user performs drug delivery by air flow generated by suction.

The drug delivery device is usually designed to be disposable in order to ensure safety, but in order to save cost, the existing drug delivery device is designed to have a structure with a plurality of drug cabins, but the existing drug delivery device has more parts and complex structure, thus not only being inconvenient to use, but also possibly causing the user to operate wrongly and not to be capable of delivering drugs.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a multi-dose dry powder drug delivery device.

The main content of the utility model comprises:

a multi-dose dry powder drug delivery device comprising:

a main body portion having a nozzle opening and a sliding space;

the medicine bin part is arranged in the sliding space in a sliding way so as to switch between a medicine feeding state and a non-medicine feeding state, and comprises a plurality of independent separated medicine storage bins; the single medicine storage bin comprises a medicine outlet and at least one pair of vent holes;

in the administration state, the medicine outlet of one medicine storage bin is opposite to the nozzle opening, and the vent hole of the medicine storage bin is communicated with the outside air;

in a non-administration state, the sliding space closes the medicine outlet and the vent hole.

Preferably, the sliding space has a pair of air grooves, and in the administration state, the vent hole of one of the medicine storage bins is disposed opposite to the air groove.

Preferably, a pair of said ventilation holes are offset in height from each other.

Preferably, one of the at least one pair of vent holes is arranged at the bottom of the side face of the medicine storage bin, and the other vent hole is arranged at the upper part of the side face of the medicine storage bin.

Preferably, the main body part comprises a main body casing with two open ends; the main body shell comprises a bottom wall with a platy inner surface, two side walls and at least one top wall, wherein the two side walls extend upwards from two sides of the bottom wall, and the bottom wall, the side walls and the top wall enclose the sliding space; the nozzle opening is arranged above the top wall; the air grooves are formed in two sides of the top wall.

Preferably, the inner surface of the top wall is an arc surface; the medicine bin part comprises a base and a powder bin body, and the outer surface of the powder bin body is an arc surface matched with the inner surface of the top wall; the medicine storage bin is arranged in the powder bin body; the outer surface of the base is plate-shaped; the base slides along the bottom wall.

Preferably, the number of the medicine storage bins is two, and a stop block is arranged on the inner surface of one side wall in a protruding way; a limiting block is convexly arranged on one side of the base corresponding to the single medicine storage bin; when one of the medicine storage bins is in a medicine feeding state, the corresponding limiting block abuts against the stop block.

Preferably, two stop ribs are further convexly arranged on the inner surface of one side wall; when one of the medicine storage bins is in a medicine feeding state, the corresponding limiting block is located between the stop block and the corresponding stop rib.

Preferably, one end of the limiting block away from each other is provided with a guiding inclined plane.

Preferably, two medicine storage bins are formed on two end faces of the powder bin body, and the opening part of each medicine storage bin is provided with a cover body.

The utility model has the beneficial effects that: the utility model provides a multi-dose dry powder drug delivery device, which can realize multi-dose drug delivery by pushing and pulling a drug bin part in a sliding space of a main body part, has a simple structure, saves cost and is convenient to operate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the main body of the present utility model;

FIG. 3 is a schematic view of the structure of the drug cartridge of the present utility model;

FIG. 4 is a schematic view of the structure in the administration state;

reference numerals:

1-a main body part; 10-nozzle opening; 100-sliding space; 11-a bottom wall; 110-an air tank; 12-side walls; 13-top wall; 14-stop blocks; 15-stop ribs;

2-a medicine bin part; 2 a-a medicine storage bin; 20-a medicine outlet; 200-vent holes; 21-a base; 22-a powder bin body; 23-limiting blocks;

230-guiding inclined plane;

3-cover.

Detailed Description

The technical scheme protected by the utility model is specifically described below with reference to the accompanying drawings.

As shown in fig. 1, the present utility model proposes a multi-dose dry powder drug delivery device, comprising a main body part 1 and a drug chamber part 2, wherein the main body part 1 is provided with a nozzle opening 10 and a sliding space 100, the drug chamber part 2 is provided with at least two drug storage chambers 2a, a plurality of the drug storage chambers 2a are sequentially arranged at intervals, and when the drug chamber part 2 slides in the sliding space 100, the drug delivery state and the non-drug delivery state can be switched; further, in the administration state, the user aligns the nozzle 10 to the nasal cavity or the oral cavity, and can inhale the powder medicine in one of the medicine storage bins 2a through active inhalation, and after one of the medicine storage bins 2a is used, the other medicine storage bin 2a can be placed in the administration position by sliding the medicine storage bin 2; and when not dosing, each medicine storage bin 2a can realize better sealing without the problem of leakage of dry powder medicament.

In one embodiment, the number of the medicine storage bins 2a can be more than two, and the medicine storage bins 2a can be sequentially arranged in parallel, and can be sequentially switched by pushing and pulling.

In order to generate air flow, each medicine storage bin 2a further has at least one pair of vent holes 200 and a medicine outlet 20, and a pair of air grooves 110 are formed in the main body 1, and in the administration state, the medicine outlet 20 of the corresponding medicine storage bin 2a corresponds to the nozzle opening 10, and at least one pair of vent holes 200 of the medicine storage bin 2a are respectively communicated with the air grooves 110 to be communicated with the outside air, so that air flow can be formed when the medicine is actively inhaled.

Still further, to achieve administration of large doses, at least one pair of said ventilation holes 200 are offset from each other in height, i.e. not at equal heights, in one embodiment one of them is located close to the underside of the drug storage bin 2a and the other is located close to the upper side of the drug storage bin 2a.

Fig. 1 to 3 show an embodiment having two medicine storage bins 2a, specifically, the main body part 1 includes a main body housing having both ends open; further, the main body housing includes a bottom wall 11 having a plate-like inner surface, two side walls 12 extending upward from both sides of the bottom wall 11, and at least one top wall 13, and the bottom wall 11, the side walls 12, and the top wall 13 enclose the sliding space 100; the nozzle opening 10 is arranged above the top wall 13; the air grooves 110 are provided on both sides of the top wall 13.

The inner surfaces of the bottom wall 11 and the side wall 12 are both plane, and similarly, the medicine compartment portion 2 comprises a base 21 and a powder compartment body 22 arranged on the base 21, and the outer surface of the base 21 is plane, so that the medicine compartment portion 2 can slide in a space enclosed by the bottom wall 11 and the side wall 12 by means of the base 21; meanwhile, in order to achieve better sealing in a non-administration state, the inner surface of the top wall 13 is designed to be an arc surface, and the outer surface of the powder bin body 22 is designed to be an arc surface matched with the powder bin body, so that the powder bin body can be better sealed, and smooth sliding is facilitated.

In this embodiment, the powder bin 22 has a hollow structure, and a partition is disposed in the middle of the powder bin 22 to obtain two medicine storage bins 2a; in order to facilitate the addition of the dry powder agent, the powder bin body 22 is designed to have a structure with two open ends, namely, two end surfaces of the powder bin body are respectively provided with corresponding cavities to obtain corresponding medicine storage bins 2a, and corresponding cover bodies 3 are arranged at the respective opening parts.

In order to ensure the accuracy of the administration position, a stop block 14 is arranged on the inner surface of one side wall in a protruding manner; meanwhile, a limiting block 23 is convexly arranged on one side of the base 21 corresponding to the single medicine storage bin; when one of the medicine storage bins 2a is in the medicine feeding state, the corresponding limiting block 23 abuts against the stop block 14, and at the moment, the medicine storage bin is indicated to slide in place, so that medicine can be fed.

Further, two stop ribs 15 are further convexly arranged on the inner surface of one side wall 12; when one of the medicine storage bins 2a is in the medicine feeding state, the corresponding limiting block 23 is positioned between the limiting block 14 and the corresponding limiting rib 15; thereby ensuring a stable position of the drug cartridge portion 2 within the sliding space 100 in the drug administration state.

Further, in order to smoothly switch between the administration state and the non-administration state, a guide slope 230 is provided at an end of the stopper 23 away from each other, i.e., resistance of the stopper rib 15 to the stopper 23 is reduced.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A multi-dose dry powder drug delivery device, comprising:

a main body portion having a nozzle opening and a sliding space;

2. A multi-dose dry powder dispensing apparatus as claimed in claim 1, wherein the sliding space has a pair of air slots, and wherein in the dispensing state one of the air vents of the cartridge is disposed opposite the air slot.

3. A multi-dose dry powder dispensing device as claimed in claim 2, wherein a pair of the vent holes are offset in height from each other.

4. A multi-dose dry powder dispensing apparatus as claimed in claim 3, wherein one of the at least one pair of vent holes is formed in a bottom side portion of the cartridge and the other is formed in an upper side portion of the cartridge.

5. A multi-dose dry powder drug delivery device as claimed in claim 2, wherein the body portion comprises a body housing open at both ends; the main body shell comprises a bottom wall with a platy inner surface, two side walls and at least one top wall, wherein the two side walls extend upwards from two sides of the bottom wall, and the bottom wall, the side walls and the top wall enclose the sliding space; the nozzle opening is arranged above the top wall; the air grooves are formed in two sides of the top wall.

6. The multi-dose dry powder delivery device of claim 5, wherein the inner surface of the top wall is rounded; the medicine bin part comprises a base and a powder bin body, and the outer surface of the powder bin body is an arc surface matched with the inner surface of the top wall; the medicine storage bin is arranged in the powder bin body; the outer surface of the base is plate-shaped; the base slides along the bottom wall.

7. The multi-dose dry powder dispensing apparatus of claim 6, wherein said number of reservoirs is two, wherein one of said side walls has a stop protruding from an inner surface thereof; a limiting block is convexly arranged on one side of the base corresponding to the single medicine storage bin; when one of the medicine storage bins is in a medicine feeding state, the corresponding limiting block abuts against the stop block.

8. A multi-dose dry powder dispensing apparatus as claimed in claim 7, wherein one of said side walls has two stop ribs protruding from an inner surface thereof; when one of the medicine storage bins is in a medicine feeding state, the corresponding limiting block is located between the stop block and the corresponding stop rib.

9. A multi-dose dry powder dispensing apparatus as claimed in claim 8, wherein the stopper has a guide ramp at an end remote from each other.

10. The multi-dose dry powder drug delivery device of claim 7, wherein two drug storage chambers are formed on two end surfaces of the powder chamber body, and the opening of the drug storage chamber is provided with a cover body.