CN106139335B

CN106139335B - Powder releasing device

Info

Publication number: CN106139335B
Application number: CN201510167571.9A
Authority: CN
Inventors: 李昌辉; 张喜全; 顾红梅; 董平
Original assignee: Chia Tai Tianqing Pharmaceutical Group Co Ltd
Current assignee: Chia Tai Tianqing Pharmaceutical Group Co Ltd
Priority date: 2015-04-09
Filing date: 2015-04-09
Publication date: 2022-12-16
Anticipated expiration: 2035-04-09
Also published as: CN106139335A

Abstract

The invention provides a medicine powder releasing device for a medicine releasing belt, which at least comprises a shell, wherein the shell is formed by buckling a top shell and a bottom shell, a cover sleeve which can rotate around a rotating shaft of the shell is detachably arranged outside the shell, a top shell bulge is arranged on the top shell, a bottom shell bulge is arranged on the bottom shell, the cover sleeve is provided with a top rotating hole matched with the top shell bulge in shape and a bottom rotating hole matched with the bottom shell bulge in shape, and an inclined surface is arranged at the tail end of at least one of the top shell bulge and the bottom shell bulge. By arranging the convex inclined plane, the problems that whether the front side and the back side of the shell are matched with each other or not is not easy to determine, the mounting position is not easy to determine and the mounting is laborious when the cover sleeve and the shell are mounted in the prior art are solved.

Description

Powder releasing device

Technical Field

The invention relates to a medicine powder releasing device for a medicine releasing belt, in particular to a medicine powder releasing device for an asthma inhalation powdery medicine releasing belt.

Background

Allergic diseases such as asthma and rhinitis are often treated by using inhalation drugs, for example, powdered or granular drugs are placed in drug blister strips of a sandwich structure, drug blisters are sequentially conveyed to a joint member through a drug powder releasing device, the drug blister strips are punctured or uncovered, and then the drugs are inhaled into the mouth, nose or lung of a patient through an inhalation mode to achieve the purpose of treatment.

US 6792945 B2 discloses a powder releasing apparatus of the above type, wherein the powder releasing apparatus comprises a cap housing and a housing, the housing is composed of a top case and a bottom case, an interface member for sucking out powder and a slide bar for releasing the powder are provided outside the housing, two rotation shaft protrusions are provided on both sides of the top case and the bottom case, the cap housing has two rotation holes, the two rotation shaft protrusions on the bottom case are respectively inserted into the rotation holes on the cap housing, the cap housing is peeled off from the housing and remounted, and the cap housing and the housing are rotated with the connection line of the two rotation shaft protrusions as a shaft to cover or expose the interface member in a state where the cap housing is mounted to the housing.

When the cover sleeve is installed on the shell, the interface piece and the sliding rod can be exposed or covered by rotating the cover sleeve, the interface piece is a medicine powder release opening contacting with a human body, and the sliding rod is a switch for puncturing or uncovering medicine bubbles and sequentially transmitting the medicine bubbles to the interface piece according to a certain step pitch. After the medicine powder releasing device is used, the sliding cover is sleeved to cover the interface piece and the sliding rod so as to avoid polluting the interface piece and triggering the sliding rod to cause misoperation.

The powder release device in the prior art has the following defects:

first, since the housing of the powder discharge apparatus is generally shaped like a circular cake without any obvious marks, and the cap cover needs to be fitted over the housing at a specific position for normal use, the user may have trouble in which position of the housing the cap cover is fitted.

Secondly, since the entire housing of the powder discharge apparatus is substantially symmetrical in the shape of a circular cake, a user needs to look over the cap housing protrusions inside the cap housing in advance and distinguish the bottom case from the top case to correctly mount the same on the housing, and since the cap housing protrusions inside the cap housing are not obvious, great inconvenience is caused to the user.

Finally, before the rotating shaft of the cover sleeve is embedded into the rotating hole of the shell, the cover sleeve needs to be broken off by external force to a certain caliber to be placed in, and two hands are usually required to be used for simultaneous processing for a user, so that the user is inconvenient to vacate hands to place the shell into the cover sleeve after the cover sleeve is unfolded, and the rotating shaft of the shell is further embedded into the rotating hole of the cover sleeve.

Disclosure of Invention

The technical problem underlying the present invention is to provide a medicament powder delivery device which reduces or avoids the aforementioned problems.

In order to solve the technical problem, the invention provides a medicine powder releasing device for a medicine releasing belt, which at least comprises a shell, wherein the shell is formed by buckling a top shell and a bottom shell, the medicine releasing belt is arranged in the shell, an interface member for sucking medicine powder and a sliding rod for releasing the medicine powder are arranged outside the shell, a cover sleeve which can rotate around a rotating shaft of the shell to cover or expose the interface member and the sliding rod is detachably arranged outside the shell, the rotating shaft is formed by an upward convex top shell bulge on the top shell and a downward convex bottom shell bulge on the bottom shell, the cover sleeve is provided with a top rotating hole matched with the shape of the top shell bulge and a bottom rotating hole matched with the shape of the bottom shell bulge, and an inclined plane is arranged at the tail end of at least one of the top shell bulge and the bottom shell bulge.

Preferably, the ends of the top case protrusion and the bottom case protrusion are respectively provided with a first inclined surface and a second inclined surface.

Preferably, the first inclined surface and the second inclined surface face in the same direction.

Preferably, the top case protrusion and the bottom case protrusion are located on the same axis.

Preferably, the top case protrusion and the bottom case protrusion have different sectional diameters.

The medicine powder releasing device provided by the invention provides improvement on shape and structure, so that a user can find an accurate position more easily to place the cover sleeve on the shell, the placement process is simpler and more labor-saving, the user only needs to make the inclined surface of the rotating shaft on the shell face the cover sleeve, the inclined surface is used for opening the cover sleeve, and the shell is directly inserted into the cover sleeve.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein the content of the first and second substances,

fig. 1 is a schematic view showing an external construction of a pharmaceutical powder delivery apparatus according to an embodiment of the present invention;

fig. 2 is an exploded perspective view of the pharmaceutical powder delivery apparatus shown in fig. 1, showing an upper portion of the top case;

fig. 3 is a schematic view showing the lower structure of the bottom case of the drug delivery device according to an embodiment of the present invention.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings. Wherein like parts are given like reference numerals.

Referring to fig. 1-2, there is shown a schematic diagram of a drug delivery device according to an embodiment of the present invention, which is a delivery device for delivering a powdered or granular drug, particularly for inhalation of a powdered drug for asthma, in an exploded perspective view. The basic principle of the drug powder releasing device shown in fig. 1-2 is similar to that of the prior art, and those skilled in the art can easily understand the mounting and using principle of the drug releasing strip of the present invention through the prior art provided by the background art, and the detailed description thereof is omitted.

Referring to fig. 1-2, the drug delivery device of the present invention comprises at least a housing 4, the housing 4 is formed by fastening a top shell 41 and a bottom shell 42, a drug delivery band (not shown) is disposed inside the housing 4, a mouthpiece 1 for sucking out drug powder and a sliding rod 2 for releasing drug powder are disposed outside the housing 4, and a cover 3 capable of rotating around a rotation axis of the housing 4 to cover or expose the mouthpiece 1 and the sliding rod 2 is detachably mounted outside the housing 4. Since the main structural improvement of the present invention is between the housing 4 and the cover 3, the structure inside the housing 4 is omitted from fig. 2.

The shell 4 and the cover sleeve 3 are of detachable structures, the shell is formed by buckling a top shell and a bottom shell, and the top shell and the bottom shell can be detached to open the internal structure of the medicine powder releasing device.

In view of the above-mentioned drawbacks of the prior art, the present invention provides an improvement, and more particularly, the aforementioned hinge of the present invention is formed by an upwardly protruding top-case protrusion 411 on the top case 41 and a downwardly protruding bottom-case protrusion 412 on the bottom case 42 (see fig. 3), the cover 3 has a top hinge hole 31 matching the shape of the top-case protrusion 411 and a bottom hinge hole (not shown) matching the shape of the bottom-case protrusion 412, and at least one of the top-case protrusion 411 and the bottom-case protrusion 412 is provided with a slant at its end.

Therefore, the inclined planes can be additionally arranged on the top shell bulge 411 or the bottom shell bulge 412 of the top shell 41 and the bottom shell 42, when the cover sleeve 3 is installed on the shell 4, the distance between the tail ends of the two

bulges

411 and 422 is larger than the caliber of the cover sleeve 3, and certain obstruction can be caused to installation. In fig. 3, the cover 3 is omitted for clarity, and a person skilled in the art can obtain the corresponding bottom rotary hole related structure from the exploded perspective view of fig. 2 and the top rotary hole 31, so that fig. 3 does not show the bottom rotary hole.

Further, in a preferred embodiment, as shown in fig. 2 and 3, a slope may be provided at the end of each of the top case protrusion 411 and the bottom case protrusion 412, that is, a first slope 4111 and a second slope 4221 may be provided, and the first slope and the second slope preferably face in the same direction. When the cover sleeve 3 is installed on the shell 4, the opening of the cover sleeve 3 is installed opposite to the inclined plane directions of the top shell protrusion 411 and the bottom shell protrusion 412, the inclined plane directions of the top shell protrusion 411 and the bottom shell protrusion 412 can play an indicating role in installation, the situation that the installation position is difficult to determine due to the fact that the shell 4 is circular is avoided, and installation is simpler

In another preferred embodiment, as shown in figures 2 and 3, the top shell protrusion 411 and the bottom shell protrusion 412 are located on the same axis, so that the cover 3 can be rotated about one axis instead of two, avoiding jamming. More preferably, the top protrusion 411 and the bottom protrusion 412 have different sectional diameters, and the user can visually check the sectional diameters of the top protrusion 411 and the bottom protrusion 412 and the diameters of the top rotation hole 31 and the bottom rotation hole to determine whether the cover 3 is matched with the housing 4 for one-time correct installation.

In conclusion, the medicine release device not only enables a user to find an accurate position to place the cover sleeve on the shell more easily, but also is easy to distinguish the front side and the back side in the placement process, simple and labor-saving, only needs to enable the inclined surface protruding from the rotating shaft on the shell to face the cover sleeve, utilizes the inclined surface to prop open the cover sleeve, and directly inserts the shell into the cover sleeve.

It should be appreciated by those of skill in the art that while the present invention has been described in terms of several embodiments, not every embodiment includes only a single embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including technical equivalents which are related to the embodiments and which are combined with each other to illustrate the scope of the present invention.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent alterations, modifications and combinations can be made by those skilled in the art without departing from the spirit and principles of the invention.

Claims

1. A drug powder releasing device for use with a drug releasing band, comprising at least one housing (4), wherein the housing (4) is formed by fastening a top case (41) and a bottom case (42), the drug releasing band is disposed inside the housing (4), an interface member (1) for sucking out drug powder and a sliding rod (2) for releasing drug powder are disposed outside the housing (4), the housing (4) is detachably mounted with a cover sleeve (3) which can rotate around a rotation axis of the housing (4) to cover or expose the interface member (1) and the sliding rod (2), characterized in that the rotation axis is formed by an upward protruding top case protrusion (411) on the top case (41) and a downward protruding bottom case protrusion (412) on the bottom case (42), the cover sleeve (3) has a top rotation hole (31) matching the shape of the top case protrusion (411) and a bottom rotation hole matching the shape of the bottom case protrusion (412), the top protrusion (411) and the bottom protrusion (412) are disposed with a first inclined surface (4111) and a second inclined surface (4221) respectively, and the top protrusion (411) and the second inclined surface (421) are disposed toward the same direction, the top shell protrusion (411) and the bottom shell protrusion (412) have different cross-sectional diameters.