JP4475530B2 - Suction powder dispenser - Google Patents

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 mounted, and a punching tool is provided in the prescription device body so that the blister pack can be pushed. 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 reduced, 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. The object of the present invention is 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 body 2b provided so that the upper surface of the main body 2a can be opened and closed define a storage chamber R inside, and an air passage p is provided for communicating the storage chamber with the outside. A suction-type powder administration device comprising a case 2 and a suction port 3 communicating with the storage chamber R, wherein the powder in the storage chamber R is sucked from the suction port 3. 2a extends backward from the lid 2b , and the main body 2a is composed of a semi-tubular support wall 11 and a top plate 12 that is slidably fitted with the upper end opening of the support wall 11 closed, and The main body 2a has a locking plate 2c that can be opened and closed in parallel with the lid 2b, and is a powder that has a lid 42 that is detachable by closing the opening of the storage plate 41 recessed in the substrate 40. the-body container 4, on the top plate 12 drawn out from the support wall portion 11, inserting the housing pan 41 into the fitting recess 17 which is recessed in the top plate 12 or engaged thereby and housed in the cover plate 42 Erected clamping portion e which is provided on the R side tip between the lid 2b and the locking plate 2c, is placed in a state of being sandwiched, storage room defined by the lid 2b by pushing the top plate 12 The storage tray 41 with the upper end opened and the cover plate 42 peeled off is moved into the R.

  As a second means, in the first means, an engaging convex portion 45 is projected on the lower surface of the substrate 40 of the powder container 4 and an engaging convex portion 45 is provided on the top plate 12 of the main body 2a. A locking recess 18 to be fitted is provided in a recessed manner.

  As a third means, in any one of the first means and the second means, the clamping plate e is extended from the front end of the lid plate 42, the lid plate extension 43, and the lid The plate extension 43 is composed of a protective plate 44 fixed to the back surface.

  As a fourth means, in any one of the first means, the second means, or the third means, a plurality of through holes 28 are provided at the boundary between the storage chamber R and the inside of the suction port 3. A partition wall 10 was provided.

The suction-type powder administration device according to the present invention is configured so that the powder container 4 having the cover plate 42 fixedly peeled off from the support wall portion 11 by closing the opening of the storage dish portion 41 provided in the substrate 40 is provided. On the pulled-out top plate 12, the storage tray portion 41 is inserted or fitted into the fitting recess 17 provided in the top plate 12 and the holding portion e provided at the front end of the storage chamber R side of the lid plate 42 is connected to the lid body 2b. Placed in a state of standing and sandwiched between the locking plate 2c, and the top plate 12 is pushed in, and the top plate 12 is pushed into the storage chamber R defined by the lid 2b. Since the plate portion 41 is configured to be moved, there is an advantage that the stored powder can be used efficiently in a short time as compared with a conventional product in which a powder storage body such as a capsule is punched and opened. In addition, the powder container 4 can be easily attached and opened, which is very convenient in handling.

  In addition, when the engaging convex portion 45 protrudes from the lower surface of the substrate 40 of the powder container 4 and the engaging concave portion 18 for fitting the engaging convex portion 45 is provided in the top plate 12 of the main body 2a, Because the powder container 4 can be firmly fixed to the top plate 12 regardless of the shape of the storage plate 41, the top plate 12 is slid to peel off the lid plate 42 more smoothly and reliably. Can do.

  Further, in the case where the clamping part e is composed of a lid plate extension part 43 extending from the tip part of the lid plate 42 and a protective plate part 44 fixed to the back surface of the lid plate extension part 43, the clamping part is Since the thickness is sufficient and the clamping part e is more securely fixed, it is possible to more reliably prevent inconveniences such as the clamping part e coming off from the clamping between the lid 2b and the locking plate 2c when the top plate 12 is pushed. It can be done.

  Further, when a partition wall 10 having a plurality of through holes 28 is provided at the boundary between the storage chamber R and the inside of the suction port 3, even when a lump is formed in a part of the powder, the lump is crushed and uniform. Can be sucked as a simple powder and can be removed even when foreign matter is mixed.

  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 body 2b provided so that the upper surface of the main body 2a is openable and closable. The case 2 includes an air passage p that communicates the storage chamber with the outside. The main body 2a extends rearward from the lid 2b, and its top plate is slidably formed. Further, a locking plate 2c that can open and close the upper surface of the main body 2a is juxtaposed with the lid 2b. In the illustrated example, the main body 2a protrudes rearward from the lower rear surface of the partition wall 10 and has a semi-tubular support wall portion 11 having side walls standing from both sides of the bottom wall, and an upper end of the support wall portion. The top plate 12 is configured such that the opening is closed and slidably fitted. The top plate 12 has a hanging wall portion 13 suspended downward from the peripheral edge thereof, and the hanging wall portion at the rear edge is suspended downward longer as a finger hanging portion 14. Further, sliding protrusions 15 are provided at the front end portions on both sides of the vertical wall portion 13, and the sliding protrusions 15 are slidably fitted into guide grooves 16 provided on both sides of the inner surface of the support wall portion 11. . A spherical fitting recess 17 is formed in the front portion of the top plate 12, and a rectangular locking recess 18 is provided in the rear thereof. Further, a first locking projection 19 for the lid and a second locking projection 20 for the locking plate are respectively provided in a pair of recesses formed on the one side surface at a predetermined interval.

  The lid 2b has a hollow box shape, and the lower side of the main body 2a is pivotably connected to the upper side of the main body 2a via the first hinge 21 so that the upper surface of the main body 2a can be opened and closed. On the opposite side, an engagement plate having a first engagement protrusion 22 protruding from the inner surface is suspended, and the first engagement protrusion 22 is detachably engaged with the first locking protrusion 19 to close the lid. It is configured to maintain the state. Further, a concave portion 23 having a semi-elliptical shape in plan view is provided rearward from the central portion of the front edge of the lower surface, and a storage chamber R is formed by the concave portion 23 and the upper surface of the main body 2a including the fitting concave portion 17 below the concave portion 23. Yes. One end is opened above the rear portion of the fitting recess 17 to provide a ventilation path p. This opening portion is configured as a plurality of through holes 24 provided in the rear wall surface of the recess 23 of the lid body 2b, and the other end opening portion of the air passage p is configured as a through hole 25 provided in the rear surface of the lid body 2b. is doing. Therefore, the ventilation path p allows the outside and the storage chamber R to communicate from the through hole 25 through the lid 2b and through the through hole 24. Note that the lid 2b is formed of a separate member at the portion forming the lower surface.

  The locking plate 2c is pivotally connected to the upper part of the side surface of the main body 2a behind the lid 2b via the second hinge 26 so as to be able to open and close the upper surface of the main body 2a. On the opposite side, an engagement plate having a second engagement projection 27 projecting from the inner surface is suspended, and the second engagement projection 27 is detachably engaged with the second engagement projection 20 to engage the engagement plate. The stop state is maintained. A gap is provided between the locking plate 2c and the lid 2b so that the holding portion e of the powder container 4 can be held.

  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 28 are provided in the partition wall 10 to communicate with the inside of the storage chamber R. A mesh may be stretched instead of the partition wall of this part.

  The powder container 4 closes the opening of the storage tray 41 that is recessed in the substrate 40 and fixes the lid 42 so that it can be peeled off. The tip of the lid 42 is engaged with the lid 2b. A clamping portion e is provided between the plate 2c and the plate 2c. In the example shown in the figure, the clamping part e is composed of a cover plate extension 43 extending from the tip of the cover plate 42 and a protective plate 44 fixed to the back surface of the cover plate extension 43. Further, the protection plate portion 44 is connected to the substrate 40 by a thin broken portion 46. The form of the fractured portion is not limited to this, and may be constituted by an easily cut portion such as a perforation, or may not necessarily be provided. The substrate 40 has a vertically long rectangular shape, a hemispherical storage tray 41 is provided in the center, and an engagement protrusion 45 having a quadrangular shape in plan view is provided in a depressed state at a rear position thereof. The cover plate 42 closes the opening of the storage tray 41 and is fixed to the upper surface of the substrate 40 so as to be peeled off. The lower surface of the cover plate extension 43 extending from the tip of the cover plate 42 has substantially the same shape. The protective plate 44 is fixed. In addition, the clamping part e is not restricted to the above example, but may be constituted only by the cover plate extension part, or the cover plate extension part may be formed thick.

  The substrate 40, the cover plate 42, and the sandwiching portion e 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 figure, reference numeral 1 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 base end portion of the suction port 3.

  The case where the suction type powder administration device 1 configured as described above is used will be described. First, as shown in FIG. 2, the lid 2b of the powder administration device 1 is closed and the locking plate 2c is opened. The top plate 12 is pulled out to a predetermined position, and the receiving tray 41 is fitted into the fitting recess 17 and the engaging projection 45 is fitted into the locking recess 18, and the clamping portion e is raised to contact the rear surface of the lid plate 42. The powder container 4 is mounted in contact. Next, as shown in FIG. 3, the locking plate 2c is closed and the second engagement projection 27 is engaged with the second locking projection 20, and the clamping portion e is formed between the rear surface of the lid 2b and the front surface of the locking plate 2c. Clamp and fix. Next, as shown in FIG. 4, the top plate 12 is pushed in, and the storage chamber R is defined by the lid plate 42 and the front portion of the top plate 12. At this time, the cover plate 42 of the powder container 4 has the sandwiching portion e fixed, so that the break portion 46 is cut as the top plate 12 is pushed, and is sequentially peeled off from the substrate 40 and finally the storage plate portion 41 Open the opening. The rear end portion of the cover plate 42 is not peeled off and is fixed to the substrate 40 as it is, and the peeled portion remains on the fixed portion in a folded state. Next, if the suction port 3 is sucked into the mouth after removing the cap 50, 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 28. The suction port 3 can be sucked through.

It is a perspective view of the open state of the powder administration device of the present invention. Example 1 It is a perspective view at the time of the powder container mounting | wearing of this invention powder administration device. Example 1 It is a longitudinal cross-sectional view of the state before the container for powders of this invention administration device is opened. Example 1 It is a longitudinal cross-sectional view after opening the container for powders of 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 vertical section of a container for powder used for the administration device of the present invention. Example 1

Explanation of symbols

2 ... Case, 2a ... Main body, 2b ... Cover, 2c ... Locking plate, 3 ... Suction port, 4 ... Powder container,
12 ... Top plate, 17 ... Fitting recess, 18 ... Locking recess, 28 ... Through hole, 40 ... Substrate, 41 ... Storage pan,
42: Cover plate, 43: Cover plate extension, 44: Protection plate, 45: Engaging projection, R: Storage chamber, p: Air passage, e: Clamping portion

Claims (4)

The main body 2a and the lid 2b provided with the upper surface of the main body 2a openable and closable define a storage chamber R inside, and a case 2 having an air passage p communicating the storage chamber with the outside, A suction-type powder administration device comprising a suction port 3 communicating with the chamber R, and configured to suck the powder in the storage chamber R from the suction port 3, wherein the main body 2a of the case 2 is disposed behind the lid 2b. The main body 2a is composed of a semi-tubular support wall portion 11 and a top plate 12 that is slidably fitted by closing the upper end opening of the support wall portion 11, and opens and closes the upper surface of the main body 2a. A container 4 for powder 4 in which a locking plate 2c that can be arranged in parallel with the lid 2b, the opening of the storage tray 41 that is recessed in the substrate 40 is closed and the lid 42 is fixed so as to be peeled off, On the top plate 12 drawn out from the support wall portion 11, the storage tray portion 41 is inserted or fitted into the fitting recess 17 provided in the top plate 12 and provided at the front end of the lid plate 42 on the storage chamber R side. The lifting portion e standing between the lid 2b and the locking plate 2c, is placed in a state of being sandwiched, the containing chamber R which is defined by the lid 2b by pushing the top plate 12, cover plate A suction-type powder dosing device characterized in that it is configured to move the upper-end-opening storage tray 41 from which 42 is peeled off.   An engaging projection 45 is provided on the lower surface of the substrate 40 of the powder container 4 and an engaging recess 18 is provided on the top plate 12 of the main body 2a to engage the engaging projection 45. The suction-type powder administration device according to 1.   The said clamping part e is comprised by the cover plate extension part 43 extended from the said cover plate 42 front-end | tip part, and the protection board part 44 fixed to this cover plate extension part 43 back surface. The suction type powder administration device according to any one of the above.   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 28 is provided at a boundary between the storage chamber R and the inside of the suction port 3.

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