JP2006280630A - Inhalation-type powder administration device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inhalation-type powder administration device so constituted that a user inhales powder in a storage chamber R from a mouthpiece 3, allowing the user to highly efficiently inhale the powder in a short period of time, having a simple structure, and easily manufactured at a low cost. <P>SOLUTION: A powder container 4 having a lid plate 32 closing the opening part of a storage plate part 31 recessedly formed in a base plate 30, peelably fixed thereto, and foldably extended, is so constituted that the storage plate part 31 is stored in a storage chamber and locked by a locking means, the end of the folded lid plate 32 is outward projectingly mounted, and the opening part of the storage plate 31 is opened by pulling-out of the lid plate. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a suction type powder administration device.

  As a method for administering medicinal powder, there has been proposed a method of inhaling medicinal powder filled in a capsule with a suction-type administration device (see, for example, Patent Document 1) or inhaling medicinal powder contained in a blister pack. A method of inhaling with a dispenser (see, for example, Patent Document 2) has been proposed.

  The former is a device for dispensing a powdered medicament, a housing with means for piercing the capsule containing the powdered medicament, and suitable for containing the capsule, in which the capsule can rotate freely And a generally cylindrical storage chamber capable of releasing the powdered medicine, and a base through which the powdered medicine can be sucked from the storage room. Three air inlets are attached at intervals around the cylindrical side wall.

The latter includes a bottom plate formed with a bulging portion, and a lid plate provided on the surface side of the bottom plate to close the bulging portion and define a drug powder storage portion. A blister pack is shown in which a throttle passage is provided between an inflow hole and an outflow hole drilled through. Further, as a suction type prescription device using this blister pack, a disk-shaped holder is detachably mounted in a holder mounting groove of the prescription device main body and is rotatably mounted, and a blister is provided in a fitting recess provided on the surface of the holder. It is configured so that the pack is attached, and a punching tool is provided in the prescription device body so that the blister pack can be pushed in. The punching tool is configured to break the blister pack at a predetermined position. Further, the blister pack is communicated with the broken portion. An inflow side air passage and an outflow side air passage that are configured to be sucked from a suction port that communicates with the front end of the outflow side air passage are shown.
Japanese National Patent Publication No. 3-505679 JP 2001-161788 A

  Any of the above-described conventional administration devices or suction-type dispensers using capsules or blister packs are configured to open the capsules or blister packs by perforating them to suck the stored powder. Therefore, it is possible to open the storage part only partly, and the wall part of the perforated part is pushed into the inside in a burr shape, which becomes an obstacle when sucking the powder, and sucking the stored powder There is a risk that the efficiency may be lowered, and there is a problem that the suction time must be extended in order to increase the suction efficiency.

  The present invention has been made in view of the above points, and an object of the present invention is to propose a suction-type powder administration device that can perform efficient suction of powder in a short time. It is an object of the present invention to propose a suction type powder administration device that is simple, easy to manufacture and inexpensive.

  As a first means, the main body 2a and the lid 2b define a storage chamber R inside, and the case 2, 2A provided with a ventilation path p communicating the storage chamber with the outside; A suction-type powder administration device having suction ports 3 and 3A communicating with each other and configured to suck powder in the storage chamber R from the suction ports 3 and 3A. A container for powder 4 and 4A, in which a cover plate 32 is fixed so that it can be peeled off and the cover plate 32 is extended so that it can be folded, is stored in a storage chamber R. The front end of the lid plate 32 that is folded by the stopper means is mounted so as to protrude outward from the cases 2 and 2A, and the opening of the storage tray portion 31 is opened by pulling out the lid plate 32. .

  As a second means, in the first means, the powder container 4 is stored and locked in the storage chamber R with the cover plate 32 facing upward, and the base end portion of the suction port 3 The air passage p is configured to open at the opposing position and above the locked storage tray portion 31. The said base end part opposing position shows the position which opposes the base end opening surface of the cylinder part which forms the suction inlet 3. FIG.

  As the third means, in the first means, the powder container 4A is stored and locked in the storage chamber R with the cover plate 32 facing downward, A powder reservoir recess 14 communicating with the inside of the suction port 3A is provided in the storage chamber R, and the air passage p is opened at a position opposite to the proximal end of the suction port 3A and above the powder reservoir recess 14. It was.

  As a fourth means, in any one of the first means, the second means, or the third means, a plurality of through holes 25 are formed at the boundary between the storage chamber R and the suction ports 3 and 3A. The provided partition wall 10 was provided.

  As a fifth means, in any one of the first means, the second means, the third means, or the fourth means, the diffusion rod 26 along the axis line in the central portion of the suction port 3, 3A. Was provided.

  The suction-type powder administration device of the present invention is a powder in which an opening of a storage tray portion 31 provided in a recess in the substrate 30 is closed, the lid plate 32 is fixed in a peelable manner and the lid plate 32 is extended so as to be folded back. The body containers 4 and 4A are stored in the storage chamber R by storing the storage tray portion 31 and locked by locking means, and the front end portion of the folded lid plate 32 is protruded outward from the cases 2 and 2A. Because it is configured to open and open the opening of the storage tray 31 by pulling out the cover plate 32, it is shorter in time than the one that perforates and opens a powder storage body such as a capsule like the conventional product. There is an advantage that the stored powder can be used efficiently. In addition, the powder containers 4 and 4A can be easily attached and opened, which is very convenient in handling.

  In addition, the powder container 4 is stored and locked in the storage chamber R with the cover plate 32 facing upward, and the storage tray portion 31 locked at the position facing the base end of the suction port 3 is also provided. If the air passage p is configured to open upward, the air flow passes above the powder in the storage tray 31 so that smooth suction can be performed.

  The powder container 4A is stored and locked in the storage chamber R with the cover plate 32 facing downward, and the powder communicated with the interior of the suction port 3 in the storage chamber R below the storage tray portion 31. In the case where the reservoir recess 14 is provided, and the air passage p is opened at the position facing the base end of the suction port 3A and above the powder reservoir recess 14, the flow of air is similarly reduced. Therefore, smooth suction can be performed.

  In addition, when the partition wall 10 having a plurality of through holes 25 is provided at the boundary between the storage chamber R and the suction ports 3 and 3A, the lump is pulverized even when a lump is formed in a part of the powder. Can be sucked as a uniform powder and can be removed even when foreign matter is mixed.

  Furthermore, in the case where the diffusion rod 26 along the axis is provided in the central portion in the suction mouths 3 and 3A, the powder passing through the suction mouths 3 and 3A is more dispersed and suctioned more uniformly. Can do.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 to 4 show an example of a suction type powder administration device 1 of the present invention. The powder administration device 1 includes a case 2 and a mouthpiece 3. Reference numeral 4 denotes a powder container used in the powder administration device 1.

  The case 2 includes a main body 2a and a lid 2b that define a storage chamber R inside, and a ventilation path p that communicates the storage chamber R with the outside. The main body 2a has a box shape with an open lower end extending rearward from the lower rear surface of the partition wall 10, and a spherical fitting recess 11 is formed in the center of the top surface, and a rectangular shape is formed behind the A locking recess 12 is provided. Further, a locking projection 13 is provided on one side surface.

  The lid 2b has a hollow box shape, and is rotatably connected to the upper part of the side surface of the main body 2a via the hinge 20 so that the upper surface of the main body 2a can be opened and closed. Is configured such that an engaging plate having an engaging protrusion 21 protruding from the inner surface is protruded, and the engaging protrusion 21 is detachably engaged with the locking protrusion 13 to maintain a closed state. . A recess 22 having a semi-elliptical shape in plan view is formed rearward from the center of the front edge of the lower surface, and a storage chamber R is formed by the recess 22 and the upper surface of the case body 2a including the fitting recess 11 below the recess 22. Yes. One end is opened above the rear part of the fitting recess 11 to provide a ventilation path p. This opening portion is configured as a plurality of through holes 23 provided on the bottom surface of the lid body 2b, and the other end opening portion of the air passage p is configured as a through hole 24 provided on the rear surface of the lid body 2b. Accordingly, the air passage p allows the outside and the storage chamber R to communicate with each other through the through hole 24 and through the inside of the lid 2b. Note that the lid 2b is formed of a separate member at the portion forming the lower surface.

  The suction port 3 has a cylindrical shape projecting forward from the front surface of the partition wall 10, and its base end communicates with the inside of the storage chamber R. In the illustrated example, a plurality of through holes 25 are provided in the partition wall 10 to communicate with each other. The mesh may be adjusted instead of the partition plate of this part. Further, a diffusion rod 26 along the axis is provided at the central portion in the mouthpiece 3. The diffusion rod 26 is configured to project a mountain-shaped projection 26a on the left and right sides of the central portion in the front-rear direction so as to diffuse the powder flow, and the projection position or number of the projection 26a is appropriately selected. For example, it may project up and down, or project up and down and left and right.

  In the powder container 4, the opening of the storage tray 31 recessed in the substrate 30 is closed, the lid plate 32 is fixed in a peelable manner, and the lid plate 32 is extended so as to be folded back. The substrate 30 and the cover plate 32 can be formed of a single film or sheet of synthetic resin, a laminated film or sheet of synthetic resin, or a laminated film or sheet of synthetic resin and metal. In the illustrated example, the substrate 30 has a vertically long rectangular shape, with a hemispherical storage tray portion 31 recessed in the center, and an engagement convex portion 33 having a rectangular shape in plan view protruding from the rear position thereof. is doing. In addition, the cover plate 32 closes the opening of the storage tray 31 and is fixed to the upper surface of the substrate 30 so as to be peeled off, and the tip portion extends so as to be folded back. In the illustrated example, the lid plate 32 is detachably fixed to a portion of the upper surface of the substrate 30 excluding the tip portion. Then, as shown in FIG. 6, when the cover plate 32 is folded back from the front end edge of the fixed portion, it is configured to project a predetermined length rearward from the rear end edge of the substrate 30. The predetermined length here refers to the extent to which the tip portion protrudes in a pullable manner when mounted on the powder administration device 1. In the figure, reference numeral 40 denotes a cap, which is configured to cover the suction port 3 by detachably fitting an opening to the outer periphery of the large diameter portion of the outer peripheral base end portion of the suction port 3.

  The case of using the suction type powder administration device 1 configured as described above will be described. First, the lid 2b of the powder administration device 1 is opened and the powder container 4 is attached. The powder container 4 is inserted or fitted into the fitting recess 11 of the body 2a with the cover plate 2b folded back, and the engaging projection 33 is fitted into the locking recess 12. Install. Next, the lid 2b is closed, and the engaging protrusion 21 is engaged with the locking protrusion 13. At this time, the front end of the cover plate 2b protrudes outward from the case 2. Next, when the cover plate 32 protruding from the case 2 is pulled, the fixed portion is peeled off and the cover plate 32 is peeled off from the substrate 30 and can be removed. At this time, as shown in FIG. The opening is opened. Since the lid plate 2b is a thin wall formed of a film or a sheet as described above, it can be pulled out even if there is no gap between the main body 2a and the lid body 2b. For example, a small gap through which the lid plate 2b passes may be formed by denting the main body 2a and / or the lid body 2b. Next, if the suction port 3 is sucked into the mouth after the cap 40 is removed, the outside air is introduced into the storage chamber R through the ventilation path p, and the powder in the storage chamber R is passed through the through holes 25. The suction port 3 can be sucked through. After use, the lid 2b is opened and the remaining substrate 30 is removed.

  FIGS. 7 to 10 show other embodiments. In this example, the powder container 4A is stored and locked in the storage chamber R so that the cover plate 32 faces downward. The case 2A in this example is also composed of a main body 2Aa and a lid body 2Ab. The main body 2Aa is a hollow box type projecting rearward from the lower back of the partition wall 10, and has a square shape in plan view at the center of the top surface. A concave portion 14 for storing powder is provided, and a connecting concave portion 15 having a trapezoidal shape in plan view shallower than the concave portion 14 for storing powder is provided in front of the concave portion 14 for storing powder. The connecting recess 15, the powder reservoir recess 14 and the inside of the lid 2Aa constitute a storage chamber R. In addition, the storage chamber R communicates with the inside of the suction port 3 </ b> A through a large number of through holes 25 provided in the partition wall 10. Further, one end of the air passage is opened as a through hole 16 in the rear wall portion of the concave portion 14 for storing powder, and this air passage p passes through the lower portion of each concave portion as a through hole 17 at the front end of the lower surface of the main body. The other end is opened. In this case, the main body 2Aa has a portion forming the top surface as a separate member.

  The lid 2Ab is connected to the main body 2Aa so that it can be opened and closed via a hinge 20 as in the example of FIG. 1, and has a box shape with the front and bottom surfaces open. A recess 27 is provided to project upward so that the bottom of the container 4A fits, and a pair of locking cylinders 28 are suspended from the rear surface of the top wall of the front portion. Further, the suction port 3A protrudes forward from the front surface of the partition wall 10 as in the example of FIG.

  The powder container 4A in this example includes a rectangular substrate 30 having a size that is placed in contact with the top surface of the main body 2Aa around the concave portion 14 and the connecting concave portion 15 for storing the powder. A hemispherical storage tray portion 31 is recessed in the central portion. In addition, a pair of fitting holes 34 are formed in front of the storage tray portion 31. The cover plate 32 has a vertically long rectangular shape whose lateral width is shorter than that of the substrate 30, and closes the opening of the storage tray portion 31 so as to be peeled and fixed to the upper surface of the substrate 30 at the central portion in the left-right direction. Moreover, the front-end | tip part is extended so that folding | turning is possible.

  In the case of this example, the cap 40 covers the suction port 3A, and its base end is removably fitted to the outer periphery of the front end of the main body 2Aa and the lid 2Ab. 17 is configured to be closed. Further, an outside air introduction hole 41 is provided in the suction port 3A.

  The case where the suction type powder administration device 1 of this example is used will be described. First, the lid 2Ab of the powder administration device 1 is opened and the powder container 4A is mounted. In the powder container 4A, for example, with the lid plate 32 folded back, each fitting hole 34 is fitted to the locking cylinder 28 of the lid 2Ab at the tip, and the bottom thereof is positioned in the recess 27. After the lid 2Ab is mounted, the lid 2Ab is closed to mount the lid plate 32 in a state of facing downward. At this time, the concave portion 14 for storing powder is located below the storage tray portion 31. Next, when the cover plate 32 protruding from the case 2A is pulled, the fixed portion is peeled off and the cover plate 32 is peeled off from the substrate 30 and can be removed. In this case, as shown in FIG. The powder falls into the recess 14 for storing the powder. Next, if the suction port 3A is sucked into the mouth after removing the cap 40, the outside air is introduced into the storage chamber R through the ventilation path p, and the powder in the storage chamber R passes through the through holes 25. Can be sucked through the suction port 3A.

It is a perspective view of the open state of the powder administration device of the present invention. Example 1 It is a longitudinal cross-sectional view of this invention powder administration device. Example 1 It is a longitudinal cross-sectional view of the opened state of this invention powder administration device. Example 1 It is a top view of the container for powders used for this invention administration device. Example 1 It is a perspective view of the container for powders used for this invention administration device. Example 1 It is a perspective view of the cover plate folding state of the powder container used for the administration device of the present invention. Example 1 It is a top view of the lid opening state of the present powder administration device. (Example 2) It is a longitudinal cross-sectional view of this invention powder administration device. (Example 2) It is a principal part expanded longitudinal sectional view of the opening state of this invention powder administration device. (Example 2) It is a perspective view of the container for powders used for this invention administration device. (Example 2)

Explanation of symbols

2, 2A ... case, 2a, 2Aa ... main body, 2b, 2Ab ... lid, 3, 3A ... inlet,
4, 4A ... container for powder, 10 ... partition wall, 14 ... recess for storing powder, 25 ... through hole,
26 ... Diffusion rod, 30 ... Substrate, 31 ... Storage plate, 32 ... Cover plate, R ... Storage room, p ... Air passage

Claims (5)

  The main body 2a and the lid body 2b define a storage chamber R inside, and the case 2, 2A having a ventilation path p communicating the storage chamber with the outside, and the suction port 3, 3A communicating with the storage chamber R A suction type powder administration device configured to suck the powder in the storage chamber R from the suction ports 3 and 3A, and closes the opening of the storage dish portion 31 provided in the base plate 30. The powder container 4, 4A having the cover plate 32 fixed so as to be peelable and extended so that the cover plate 32 can be folded back is stored in the storage chamber R and locked by the locking means. In addition, the suction is characterized in that the front end portion of the folded lid plate 32 is mounted so as to protrude outward from the cases 2 and 2A, and the opening portion of the storage tray portion 31 is opened by pulling out the lid plate 32. Formula powder dispenser.   The powder container 4 is stored and locked in the storage chamber R with the cover plate 32 facing upward, and at a position opposite to the proximal end of the suction port 3 and above the locked storage tray 31. The suction-type powder administration device according to claim 1, wherein the aeration channel p is configured to open.   The powder container 4A is stored and locked in the storage chamber R with the cover plate 32 facing downward, and the powder reservoir for communicating with the inside of the suction port 3 is stored in the storage chamber R below the storage tray portion 31. The suction-type powder dosing device according to claim 1, wherein the recess 14 is provided, and the air passage p is opened at a position facing the base end of the suction port 3A and above the recess 14 for storing powder.   The suction-type powder administration device according to any one of claims 1 to 3, wherein a partition wall 10 having a plurality of through holes 25 is provided at a boundary between the storage chamber R and the suction ports 3 and 3A.   The suction-type powder administration device according to any one of claims 1 to 4, wherein a diffusion rod 26 along the axis is provided in the central portion of the suction mouth 3, 3A.

Images