Dry powder inhalation administration device

By linking the annular array drug capsule placement slots with the drug delivery turntable, the powder aerosol drug delivery device achieves uninterrupted continuous drug delivery, solving the problem of manual drug capsule replacement required in existing devices and improving ease of use and compliance.

CN224099778UActive Publication Date: 2026-04-10SICHUAN OTSUKA PHARM CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN OTSUKA PHARM CO LTD
Filing Date
2025-03-13
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing powder inhaler delivery devices can only load one capsule at a time, requiring manual replacement, which cannot meet the needs of rapid and continuous drug administration, especially for acute conditions such as asthma and COPD.

Method used

A powder aerosol drug delivery device was designed, which uses a ring array of drug capsule placement slots linked with a drug loading turntable to achieve pre-storage of multiple drug capsules. The slots are exposed through extended deep holes for drug loading, and the linkage of springs and push rods enables uninterrupted continuous drug delivery, simplifying the operation process.

Benefits of technology

It enables uninterrupted continuous drug delivery, simplifies drug loading and administration, reduces the rate of operational errors, improves medication adherence, and is suitable for independent use by elderly patients and children.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a powder inhalation administration device, which relates to the technical field of administration devices and comprises a holding shell, a mist suction opening is fixedly connected above the holding shell, a fixing plate is fixedly connected to the inner side of the mist suction opening, and a medicine bag wall breaking pipe is fixedly connected below the fixing plate. By means of the linkage design of the annular array medicine bag containing grooves and the medicine feeding rotary disc, pre-storage and continuous medicine feeding of multiple medicine bags are achieved, when a patient uses the current medicine bag, an operator can synchronously put new medicine bags into the groove positions exposed through extension deep holes, after the rotary disc rotates, the medicine bags filled with the medicine bags are automatically moved to the standby positions, and continuous treatment is guaranteed; meanwhile, an epitaxial deep-hole single-groove exposed type charging structure is adopted, operation is completed only through three steps of charging, shifting and pressing, parts do not need to be disassembled or a baffle does not need to be adjusted, the manual alignment requirement is eliminated through spring reset and ejector rod accurate alignment design, the operation error rate is reduced by over 80%, the integrated process is adaptive to independent operation of old and child patients, and the operation efficiency is improved. The medication convenience and compliance are obviously improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a medicine administration device technical field especially, relate to a powder aerosol medicine administration device. BACKGROUND

[0002] The powder aerosol refers to one or more than one medicine powder filling in the special medicine administration device, and the medicine is sprayed in the medicine administration site in the dry powder form, and the whole body or local effect is played one kind of medicine dosage form;

[0003] Through the search, the existing device generally adopts the single medicine cabin design, and only one medicine capsule can be loaded each time, and the patient needs to refill after each medication, and when the medicine capsule is exhausted, the treatment process must be interrupted, and the new medicine capsule is taken out from the external storage plate and loaded, which cannot meet the emergency demand of asthma, slow obstructive lung and the like needing rapid continuous medication, and the powder aerosol medicine administration device is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a powder aerosol medicine administration device, which can conveniently and continuously administer medicine without interruption, has the advantages of simple loading and administering operation, and solves the problems in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a powder aerosol medicine administration device, which comprises a holding shell, a suction port is fixedly connected to the upper portion of the holding shell, a fixed plate is fixedly connected to the inner side of the suction port, a medicine capsule breaking wall pipe is fixedly connected to the lower portion of the fixed plate, a medicine loading turntable is rotatably connected to the inner side of the holding shell, a plurality of groups of medicine capsule placing grooves are annularly arranged on the upper portion of the medicine loading turntable, a plurality of groups of arc-shaped clamping grooves are annularly arranged on the side surface of the medicine loading turntable, a medicine capsule lifting through hole that penetrates through to the bottom of the medicine loading turntable is formed in the inner side of each group of medicine capsule placing grooves, a limiting through hole is formed in the lower portion of the holding shell, a connecting push rod is slidably connected to the inner side of the limiting through hole, a first supporting spring is arranged on the outer side of the connecting push rod, a medicine capsule lifting rod is fixedly connected to the upper portion of the connecting push rod, a fixed groove block is fixedly connected to the inner side wall of the holding shell, a second supporting spring is fixedly connected to the inner side of the fixed groove block, a round head top plate is fixedly connected to the other end of the second supporting spring, and an extension deep hole is formed in the side surface of the holding shell.

[0006] As a further scheme of the utility model: the medicine capsule breaking wall pipe penetrates through to the upper portion of the fixed plate, three groups of vertical blades are fixedly connected to the inner side of the medicine capsule breaking wall pipe, and the inner diameter of the medicine capsule breaking wall pipe is matched with the size of the medicine capsule.

[0007] As a further scheme of the utility model: the number and position of the medicine capsule placing grooves and the arc-shaped clamping grooves correspond to each other, and the inner diameter of the medicine capsule placing grooves is matched with the size of the medicine capsule.

[0008] As a further scheme of the utility model: two ends of the first supporting spring are fixedly connected with the side surface of the connecting push rod and the inner bottom wall of the holding shell respectively.

[0009] As a further scheme of the utility model: the position and size of the medicine bag top rod are matched with the medicine bag top-up through hole, when the first supporting spring is not subjected to external force and is naturally elongated, the medicine bag top rod is located below one group of medicine bag top-up through holes, when the connecting push rod is pushed to the highest position, the top end of the medicine bag top rod is slightly higher than the upper side of the medicine bag wall breaking pipe.

[0010] As a further scheme of the utility model: the round head of the round head top plate is matched with the arc-shaped clamping groove.

[0011] As a further scheme of the utility model: the upper medicine rotating disc partially extends from the outer extension deep hole, and the outer extension deep hole allows one group of medicine bag placing grooves to be exposed.

[0012] As a further scheme of the utility model: when the second supporting spring is not subjected to external force and is naturally elongated, the round head top plate can just abut against the inside of one group of arc-shaped clamping grooves.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a linkage design of the annular array medicine bag placing groove and the upper medicine rotating disc, realizes multiple medicine bag pre-storage and continuous drug delivery, when the patient uses the current medicine bag, the operator can simultaneously load a new medicine bag through the groove exposed by the outer extension deep hole, the loaded medicine bag automatically enters the standby position when the rotating disc rotates, and the drug delivery process does not need to be interrupted to wait for loading medicine, so that the user can realize uninterrupted continuous drug delivery, and the use is convenient and fast.

[0015] 2. The utility model discloses an outer extension deep hole single-groove exposed type medicine loading structure, the operator only needs to put the medicine bag into the visible groove, and rotates the arc-shaped clamping groove to complete rotating disc transposition, and presses the connecting push rod to trigger the wall breaking drug delivery, and the whole process does not need to disassemble components or adjust the baffle, the automatic reset function of the spring and the accurate alignment design of the medicine bag top rod eliminate the alignment operation when the traditional device changes the medicine bag, greatly reduce the operation failure rate, and the integrated process enables the old patients and children to independently complete the drug delivery, and significantly improves the drug delivery compliance. DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the structure schematic view of the second view angle of the utility model;

[0018] Figure 3 It is the structure schematic view of the arc-shaped clamping groove in the utility model;

[0019] Figure 4 is the structure diagram inside the holding shell in the utility model;

[0020] Figure 5 is the structure diagram in the utility model;

[0021] Figure 6 is the structure diagram in the utility model.

[0022] In the drawing: 1, holding shell; 2, mist suction port; 3, fixed plate; 4, medicine bag wall breaking pipe; 5, upper medicine rotating disc; 6, medicine bag placing groove; 7, medicine bag jacking through hole; 8, limiting through hole; 9, connecting push rod; 10, first supporting spring; 11, medicine bag jacking rod; 12, fixed groove block; 13, second supporting spring; 14, round head top plate; 15, arc clamping groove; 16, outer extension deep hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0025] Referring to Figures 1 to 6The utility model discloses an embodiment of a powder aerosol administration device, comprising: a holding shell 1, the upper fixed connection of holding shell 1 has suction mouth 2, the inboard fixed connection of suction mouth 2 has fixed plate 3, the fixed connection of fixed plate 3 below has medicine bag broken wall pipe 4, the inboard rotation of holding shell 1 is connected with the medicine disc 5, the annular array of medicine disc 5 top is opened with multiple medicine bag placement groove 6, the annular array of medicine disc 5 side is opened with multiple arc clamping groove 15, the inboard of every medicine bag placement groove 6 is opened with medicine bag jack through hole 7 that reaches medicine disc 5 bottom, the lower of holding shell 1 is opened with limit through hole 8, the inboard sliding of limit through hole 8 is connected with the connecting push link 9, the outside of connecting push link 9 is equipped with the first support spring 10, the fixed connection of connecting push link 9 top has medicine bag jack rod 11, the inboard wall fixed connection of holding shell 1 has fixed groove block 12, the fixed connection of fixed groove block 12 slot inboard has the second support spring 13, the other end fixed connection of second support spring 13 has round head top plate 14, the lateral of holding shell 1 is opened with extension deep hole 16;

[0026] When the connecting push link 9 is pushed by external force, the medicine bag jack rod 11 pushes the medicine bag into the medicine bag broken wall pipe 4 through the medicine bag jack through hole 7, after the blade completes the broken wall, the patient inhales the medicine through the suction mouth 2, after releasing the external force, the first support spring 10 drives the connecting push link 9 to reset, at this time, the medicine disc 5 can be rotated to inhale the next group of medicine bag, or a new medicine bag is installed;

[0027] The medicine bag broken wall pipe 4 is penetrated to the top of the fixed plate 3, the medicine bag broken wall pipe 4 is fixedly connected with three groups of vertical blades, the inner diameter of the medicine bag broken wall pipe 4 is matched with the size of the medicine bag, the three groups of blades are distributed in a 120° annular shape, when the medicine bag jack rod 11 pushes the medicine bag upward, the blades implement shearing broken wall on the outer wall of the medicine bag, and the matched inner diameter of the medicine bag broken wall pipe 4 ensures that the medicine bag accurately enters the broken wall area;

[0028] The number and position of the medicine bag placement groove 6 and the arc clamping groove 15 correspond, and the inner diameter of the medicine bag placement groove 6 is matched with the size of the medicine bag, each medicine bag placement groove 6 corresponds to an arc clamping groove 15, when the round head top plate 14 is clamped into a certain arc clamping groove 15, the corresponding medicine bag placement groove 6 is just located directly above the medicine bag jack rod 11, ensuring that each rotation of the disc can accurately align the administration position;

[0029] The two ends of the first support spring 10 are fixedly connected with the side of the connecting push link 9 and the inner bottom wall of the holding shell 1, respectively, and the first support spring 10 stores elastic potential energy when the connecting push link 9 is pressed, and drives the connecting push link 9 to reset after the external force is removed;

[0030] The position and size of the blister ejector rod 11 are matched with the blister ejecting through hole 7, when the first supporting spring 10 is not subjected to external force and is naturally elongated, the blister ejector rod 11 is located below one set of the blister ejecting through hole 7, when the connecting push rod 9 is pushed to the highest position, the top end of the blister ejector rod 11 is slightly higher than the blister breaking tube 4, when the blister ejector rod 11 is fully extended, the blister can be ensured to be completely pushed into the blister breaking tube 4, and the top end is designed to be higher so that the empty blister is ejected from the suction port 2 and is convenient to take out, and the top rod is retracted in the natural state to avoid hindering the rotation of the rotating disc;

[0031] The round head of the round head top plate 14 is matched with the arc-shaped clamping groove 15, the spherical surface contact design of the round head top plate 14 reduces the rotating friction, when the rotating disc rotates, the round head slides along the curved surface of the arc-shaped clamping groove 15, the second supporting spring 13 is deformed under pressure to provide positioning resistance, and after being positioned, the spring rebounds to realize accurate positioning;

[0032] The upper medicine rotating disc 5 is partially extended from the outer extension deep hole 16, the outer extension deep hole 16 allows one set of the blister placing groove 6 to be exposed, the single blister placing groove 6 exposed by the outer extension deep hole 16 forms a visual loading window, the powder aerosol blister can be directly placed into the exposed groove in the loading process, and the loaded blister is automatically hidden after the rotating disc rotates, dust protection and sequential drug delivery are realized;

[0033] When the second supporting spring 13 is not subjected to external force and is naturally elongated, the round head top plate 14 can just abut against the inside of one set of the arc-shaped clamping groove 15.

[0034] The working principle of the utility model is as follows: firstly, in the loading stage, the operator places the powder aerosol blister into the blister placing groove 6 of the upper medicine rotating disc 5 through the blister placing groove 6 exposed by the outer extension deep hole 16, the inner diameter of the blister placing groove 6 is matched with the size of the blister, and the stable placement of the blister is ensured;

[0035] After the single blister is placed, the operator drives the arc-shaped clamping groove 15 of the upper medicine rotating disc 5 to rotate the rotating disc, the round head top plate 14 slides along the curved surface of the arc-shaped clamping groove 15, the second supporting spring 13 is deformed under pressure, and rotating resistance is provided, when the round head top plate 14 is clamped into the next set of the arc-shaped clamping groove 15, the second supporting spring 13 rebounds, accurate positioning of the rotating disc is realized, and the next set of the blister placing groove 6 is ensured to be aligned with the blister ejector rod 11;

[0036] After the whole charging stage is finished, the operator presses the connecting push rod 9 upward, the first supporting spring 10 is compressed to store elastic potential energy, the medicine bag top rod 11 pushes the medicine bag into the medicine bag wall breaking pipe 4 through the medicine bag lifting hole 7, the three groups of 120° annular distributed blades in the medicine bag wall breaking pipe 4 implement shearing wall breaking on the outer wall of the medicine bag, the adaptive inner diameter of the medicine bag wall breaking pipe 4 ensures that the medicine bag enters the wall breaking area accurately, the medicine powder after wall breaking forms atomized airflow through the suction port 2, the patient inhales the medicine through the suction port 2, when the medicine bag has been completely used, the connecting push rod 9 can be continuously pressed to the highest point, the design that the top end of the medicine bag top rod 11 is slightly higher than the medicine bag wall breaking pipe 4 can push the empty medicine bag out of the suction port 2, which is convenient for the operator to take out;

[0037] After the external force of the connecting push rod 9 is released, the first supporting spring 10 rebounds to drive the connecting push rod 9 and the medicine bag top rod 11 to reset, the medicine bag top rod 11 is retracted below the medicine bag lifting hole 7, so as to avoid hindering the rotation of the medicine feeding turntable 5;

[0038] After the medicine feeding of a single medicine bag is finished, the operator can again drive the arc-shaped clamping groove 15 of the medicine feeding turntable 5, so that the turntable rotates to the next group of medicine bag placing grooves 6 to align with the medicine bag top rod 11, the above-mentioned charging, wall breaking and medicine feeding and resetting steps are repeated, and continuous medicine feeding is realized.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A powder aerosol administration device, characterized in that, Include: Hold the shell (1), the upper fixed connection of the hold the shell (1) has the suction mouth (2), the inboard fixed connection of the suction mouth (2) has the fixed plate (3), the lower fixed connection of the fixed plate (3) has the medicine bag broken wall pipe (4), the inboard rotation connection of the hold the shell (1) has the upper medicine turntable (5), the upper medicine turntable (5) upper annular array is set up with multiple groups medicine bag placement slot (6), the side of the upper medicine turntable (5) annular array is set up with multiple groups arc clamping groove (15), every group medicine bag placement slot (6) inboard is set up with medicine bag pops up through hole (7) that goes through to the bottom of upper medicine turntable (5), the lower opening of hold the shell (1) has the limit through -hole (8), the inboard sliding connection of the limit through -hole (8) has the connection push rod (9), the outer sleeve of the connection push rod (9) has the first support spring (10), the upper fixed connection of the connection push rod (9) has the medicine bag top rod (11), the inboard wall fixed connection of the hold the shell (1) has the fixed slot block (12), the fixed slot block (12) opening inboard fixed connection has the second support spring (13), the other end fixed connection of the second support spring (13) has the round head top plate (14), the side opening of hold the shell (1) has the outer extension deep hole (16).

2. A powder aerosol dispenser according to claim 1, wherein The inboard of the medicine bag broken wall pipe (4) goes through to the upper of fixed plate (3), the inboard fixed connection of the medicine bag broken wall pipe (4) has three groups vertical blades, the inner diameter of the medicine bag broken wall pipe (4) and the size of medicine bag are adapted.

3. A powder inhaler according to claim 1, wherein The quantity and position of the medicine bag placement slot (6) and arc clamping groove (15) correspond, and the inner diameter of the medicine bag placement slot (6) is adapted to the size of the medicine bag.

4. A powder inhaler according to claim 1, wherein The two ends of the first support spring (10) are fixedly connected with the side of the connection push rod (9) and the inner bottom wall of the holding shell (1) respectively.

5. A powder inhaler according to claim 1, wherein The position and size of the medicine bag top rod (11) are adapted to the medicine bag pops up through hole (7), when the first support spring (10) is not subjected to external force and naturally elongated, the medicine bag top rod (11) is located below one of the medicine bag pops up through holes (7), when the connection push rod (9) is pushed to the highest position, the top end of the medicine bag top rod (11) is slightly higher than the upper side of the medicine bag broken wall pipe (4).

6. A powder inhaler according to claim 1, wherein The round head of the round head top plate (14) is adapted to the arc clamping groove (15).

7. A powder inhaler according to claim 1, wherein The upper medicine turntable (5) partially protrudes from the outer extension deep hole (16), and the outer extension deep hole (16) allows one group of medicine bag placement slots (6) to be exposed.

8. A powder inhaler according to claim 1, wherein When the second support spring (13) is not subjected to external force and naturally elongated, the round head top plate (14) can just abut with one of the arc clamping grooves (15) inside.