JP2005021669A - Inhaler type medication apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To comfortably inhale medical powder, dissolving discomfort caused by gustation by preventing the inhaled medical powder from sticking to the tongue, the oral cavity inner surface, or the like. <P>SOLUTION: A mouthpiece 15 is provided with a plurality of air blowoff ports 22 located around an inhalation port 20 to blow off air surrounding medical powder flow flowing out of the inhalation port 20. Consequently, when holding an outer body 21 of the mouthpiece 15 in the mouth to inhale, air blown out of the respective air blowoff ports 22 forms an air curtain 24 surrounding the medical powder flow 23 flowing out of the inhalation port 20. The air curtain 24 thereby prevents medical powder included in the medical powder flow 23, from sticking to the tongue surface, the oral cavity inner surface, or the like, and the medical powder can be comfortably inhaled without sensing unnecessary taste such as sweet taste, salty taste, acid taste or bitter taste. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an inhalation-type dispenser suitable for administering a powdery medicine (medicine powder) to, for example, the lung by inhaling a patient's breath.

  In general, as a method of administering a drug to the lungs or the like of an asthmatic patient, a method of inhaling a powdered drug (hereinafter referred to as drug powder) filled in a drug powder storage chamber using a dedicated dosing device is known. ing.

  The inhalation-type dispensing device includes a powder storage chamber for storing the powder inside, and a mouthpiece that is attached to the mouth when the powder in the powder storage chamber is inhaled. A suction port is provided for inhaling a powder flow including the powder that has opened and has flowed out of the powder storage chamber. In addition, the mouthpiece has a tip that exceeds the front teeth when held in the mouth, that is, the length dimension of the portion added to the mouth is set to about 15 to 25 mm, for example (see, for example, Patent Document 1). .

And when inhaling medicinal powder using the inhalation type prescription device according to the prior art, medicinal powder is filled in the medicinal powder storage chamber, and the mouthpiece is added to the mouth, and the breath is inhaled. As a result, outside air flows into the powder powder storage chamber, is mixed with the air flow, and the powder in the powder powder storage chamber is supplied to the suction port side, and is discharged from the suction port to be administered to the lungs or the like.
JP 7-313599 A

  By the way, in the inhalation-type prescription device according to the above-described prior art, the powder that flows out together with air from the inlet spreads and flows out into the oral cavity, so a part of the powder is on the surface of the tongue, the inner surface of the oral cavity, etc. It will stick. At this time, since the tongue feels a bitter taste due to the adhesion of the powder, there is a problem that the powder cannot be inhaled comfortably.

  In addition, since the mouthpiece is set to a length dimension (for example, about 15 to 25 mm) that exceeds the front teeth when it is put in the mouth, the powder that has flowed out of the inhalation port easily adheres to the tongue, causing bitterness and the like. There is a problem of feeling.

  The present invention has been made in view of the above-described problems of the prior art, and the object of the present invention is to eliminate discomfort caused by taste by preventing the inhaled powder from adhering to the tongue, the inner surface of the oral cavity, and the like. Another object of the present invention is to provide an inhalation-type dispenser that can comfortably inhale the powder.

  Accordingly, the invention according to claim 1 is provided with an air outlet for blowing air to the mouthpiece for inhaling the powder flow, so that when the mouthpiece is added to the mouth and inhaled, While the powder flow flows out from the mouth, air can be blown out from the air outlet to the suction port, and air can be blown out around the powder flow. For this reason, the air which blows off from an air blower outlet suppresses spread of a chemical | medical powder in an oral cavity, and prevents that a chemical | medical powder adheres to the surface of a tongue, the inner surface of an oral cavity, etc. Thus, the patient can inhale the medicine comfortably without feeling an unnecessary taste such as sweet taste, salty taste, sour taste, bitter taste and the like.

  In the invention according to claim 2, the air blown out from the air blower outlet to the tip of the mouthpiece is opened by opening the air blower outlet at a position that enters the heel side from the tip of the mouthpiece. The air curtain can be formed stably.

  In the third aspect of the present invention, the direction of the powder flow can be reliably controlled by the air blown out from the air outlet by opening the air outlet at the tip of the mouthpiece.

  In the invention according to claim 4, since the air outlet is set so as to blow out air surrounding the powder flow flowing out from the suction port, the curtain-shaped air spreads the powder in the oral cavity. Can be suppressed. For this reason, it is possible to prevent the medicinal powder from adhering to the surface of the tongue, the inner surface of the oral cavity, and the like. Thus, the patient can inhale the medicine comfortably without feeling an unnecessary taste such as sweet taste, salty taste, sour taste, bitter taste and the like.

  The invention according to claim 5 can insert the tip of the mouthpiece to the mouth of the oral cavity by setting the length of the mouthpiece in the mouthpiece to a range of 30 to 80 mm. The drug powder can flow out at a position beyond the gustatory. Thereby, when inhaling medicinal powder, medicinal powder can be comfortably inhaled without feeling sweetness, salty taste, acidity, bitterness and the like. In addition, by setting the length to such a length, the mouthpiece can press the tongue that becomes an obstacle and flow the medicinal powder directly toward the airway, and the medicinal powder on the tongue, the oral cavity inner surface, etc. Can be prevented from adhering.

  According to the present invention, when a mouthpiece is put in the mouth and a breath is taken in, a powder flow flows out from the suction port, and air is blown out from the air outlet to the suction port. It becomes possible to blow out. For this reason, the air which blows off from an air blower outlet suppresses spread of a chemical | medical powder in an oral cavity, and prevents that a chemical | medical powder adheres to the surface of a tongue, the inner surface of an oral cavity, etc. Thus, the patient can inhale the medicine comfortably without feeling an unnecessary taste such as sweet taste, salty taste, sour taste, bitter taste and the like.

  Further, in the present invention, by opening the air outlet at a position that enters the heel side from the tip of the mouthpiece, the air blown out from the air outlet is arranged between the tip of the mouthpiece. The air curtain can be formed stably.

  Furthermore, in the present invention, by opening the air outlet at the tip of the mouthpiece, the direction of the powder flow can be reliably controlled with the air blown out from the air outlet.

  Further, in the present invention, since the air outlet is set to blow out air surrounding the powder flow that flows out from the suction port, the curtain-shaped air can suppress the spread of the powder in the oral cavity. it can. For this reason, it is possible to prevent the medicinal powder from adhering to the surface of the tongue, the inner surface of the oral cavity, and the like. Thus, the patient can inhale the medicine comfortably without feeling an unnecessary taste such as sweet taste, salty taste, sour taste, bitter taste and the like.

  Furthermore, in the present invention, the length dimension of the mouthpiece in the mouthpiece is set in the range of 30 to 80 mm, so that the tip of the mouthpiece can be inserted into the mouth of the mouth, for example, the taste of the tongue The powder can flow out at a position beyond the vessel. Thereby, when inhaling medicinal powder, medicinal powder can be comfortably inhaled without feeling sweetness, salty taste, acidity, bitterness and the like. In addition, by setting the length to such a length, the mouthpiece can press the tongue that becomes an obstacle and flow the medicinal powder directly toward the airway, and the medicinal powder on the tongue, the oral cavity inner surface, etc. Can be prevented from adhering.

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

  An inhalation-type prescription device according to the present invention is an inhalation-type prescription device comprising a powder storage chamber for storing drug powder and a mouthpiece. Air is blown into the mouthpiece's inlet. The gist is that an air outlet is provided. In addition, an air blower outlet contains the structure opened to the position which entered the heel side rather than the front-end | tip part of a mouthpiece, and the structure opened to the front-end | tip part of a mouthpiece. Moreover, it is preferable that this air blower outlet is formed so that the air which wraps around the powder flow which flowed out from the inlet of the mouthpiece may be blown out.

  Hereinafter, the inhalation-type dispenser according to each embodiment of the present invention will be described in detail with reference to the accompanying drawings, taking as an example the case of administering powder to a patient with bronchial asthma.

(First embodiment)
First, FIG. 1 thru | or FIG. 9 has shown the 1st Embodiment of this invention. In FIG. 1, the code | symbol 1 has shown the prescription device main body which makes the base of an inhalation-type prescription device. The prescription device main body 1 is roughly constituted by a body 2, a capsule holder 5, a capsule storage chamber 8 serving as a drug powder storage chamber, and the like, which will be described later.

  The body 2 is located on one side of the prescription device main body 1 and constitutes the outer shape of the prescription device main body 1. As shown in FIGS. 1 and 2, the body 2 has a cylindrical body 2A formed in a substantially cylindrical shape, and is projected upward from the outer periphery of the cylindrical body 2A, and a support portion 14A of a punching tool 14 described later. And a long cylindrical drill guide 2B that movably supports. Further, a screw portion 2C to which a cap 7 described later is screwed is engraved on one side of the cylindrical body 2A, and another screw portion to which a screw tube 17 of a mouthpiece 15 described later is screwed on the other side. 2D is engraved. Furthermore, a holder accommodating portion 3 described later is formed on the inner peripheral side of the cylindrical body 2A.

  The holder accommodating portion 3 is formed on the inner peripheral side of the cylindrical body 2 </ b> A of the body 2. This holder accommodating part 3 accommodates the capsule holding | maintenance part 6 of the capsule holder 5 mentioned later so that insertion / extraction is possible. Further, as shown in FIG. 4, the holder accommodating portion 3 is located near the lower center of the cylindrical body 2 </ b> A as a rectangular bottomed hole that extends in the axial direction of the cylindrical body 2 </ b> A and opens to one side. Is formed.

  A capsule fitting groove 4 is formed on the upper surface side in the holder accommodating portion 3. The capsule fitting groove 4 forms a capsule housing chamber 8 together with a capsule fitting recess 6B of the capsule holding portion 6 described later. The capsule fitting groove 4 holds the capsule K (see FIG. 9) from above, and is formed as a semicircular arc-shaped groove corresponding to the outer diameter of the capsule K.

  The capsule holder 5 is detachably attached to the body 2. The capsule holder 5 constitutes the prescription device body 1 together with the body 2 and the like described above. The capsule holder 5 is generally composed of a capsule holding portion 6 and a cap 7 which will be described later.

  The capsule holding part 6 constitutes the main body of the capsule holder 5 and is provided so as to be able to be put in and out of the holder accommodating part 3. Specifically, as shown in FIG. 5, the capsule holding portion 6 includes a drawer portion 6A formed extending in the axial direction in the holder housing portion 3, and a cross-sectional half that is long in the axial direction on the upper surface side of the drawer portion 6A. Capsule fitting recess 6B formed as an arcuate groove, and an engaging shaft portion that protrudes in the axial direction from one end portion of drawer portion 6A and engages with inner cylinder portion 7A of cap 7 in a rotatable and retaining state 6C.

  The cap 7 is attached to one end side of the capsule holding unit 6. As shown in FIGS. 3 and 5, the cap 7 is positioned at the center and has a small-diameter inner cylindrical portion 7A into which the engagement shaft portion 6C of the capsule holding portion 6 is inserted, and is positioned at the outer peripheral side. A diameter outer cylinder portion 7B, a plurality of, for example, four leg portions 7C formed radially to connect the outer cylinder portion 7B to the inner cylinder portion 7A, and the leg portions 7C are formed respectively. The air intake port 7D and the screw portion 7E that is engraved on the inner periphery of the outer cylinder portion 7B and screwed to the screw portion 2C of the body 2 are roughly constituted. Here, the air intake port 7 </ b> D communicates with the inflow side passage 11 and the auxiliary air passage 13 and takes in external air.

  As shown in FIGS. 2 and 9, the capsule housing chamber 8 is formed between the capsule fitting groove 4 and the capsule fitting recess 6B when the capsule holding portion 6 is pushed into the holder containing portion 3. .

  The capsule storage chamber 8 stores and holds a capsule K filled with a powdery medicine (medicine powder).

  The capsule holder 5 thus formed loosens the cap 7 by gripping the cap 7 and rotating it, for example, counterclockwise. At this time, since the cap 7 and the capsule holding portion 6 are rotatably engaged, only the cap 7 can be rotated. When the cap 7 is loosened, the capsule holding part 6 can be placed in the drawing position by pulling out the capsule holding part 6. In this drawing position, the capsule K filled with the drug powder can be fitted into the capsule fitting recess 6B formed in the drawer 6A, or the used capsule K can be taken out from the capsule fitting recess 6B. .

  Further, in the state in which the capsule K is fitted in the capsule fitting recess 6B, the drawer portion 6A is pushed into the holder accommodating portion 3, and the cap 7 is rotated clockwise to tighten, as shown in FIG. The capsule holding part 6 can be arranged at the pushing position, and the capsule K can be held in the capsule housing chamber 8.

  Next, in FIG. 2, reference numeral 9 denotes an inflow side pin insertion hole that is provided near one side of the capsule housing chamber 8. The pin insertion hole 9 penetrates the capsule housing chamber 8 in the radial direction. A body side insertion hole 9A formed in the body 2 and a holder side insertion hole 9B formed in the capsule holder 5 corresponding to the body side insertion hole 9A.

  Further, a pin insertion hole 10 on the outflow side is formed at a position near the other side of the capsule housing chamber 8. The pin insertion hole 10 is constituted by a body side insertion hole 10A and a holder side insertion hole 10B penetrating the capsule housing chamber 8 in parallel with the pin insertion hole 9 on the inflow side.

  The body 2 is provided with a pair of inflow side passages 11. These inflow side passages 11 allow air to flow into the capsule K in the capsule housing chamber 8. Each inflow side passage 11 communicates with the atmosphere side at one end via the air intake port 7D of the cap 7 and communicates with the pin insertion hole 9 on the inflow side on the other side.

  In addition, the body 2 is provided with two outflow passages 12 through which an air flow containing medicinal powder flows out from the capsule K in the capsule housing chamber 8. One end of each outflow side passage 12 communicates with the pin insertion hole 10 on the outflow side, and the other side communicates with an eccentric passage 18 described later.

  The pin insertion hole 9 and the inflow side passage 11 described above constitute an inflow side air passage that supplies outside air taken in from the air intake port 7D of the capsule holding portion 6 to the capsule housing chamber 8 (capsule K). The pin insertion hole 10 and the outflow side passage 12 constitute an outflow side air passage through which the powder filled in the capsule K flows out to the suction port 20 side together with air.

  As shown in FIGS. 3, 4, and 6, reference numeral 13 denotes two pieces that are formed so as to penetrate the cylindrical body 2 </ b> A of the body 2 in the axial direction at positions shifted by 90 degrees from the passages 11 and 12. This is an auxiliary air passage. One end of each auxiliary ventilation path 13 communicates with the atmosphere side, and the other end communicates with the eccentric path 18. Here, the auxiliary air passage 13 has a role of increasing the flow rate of air flowing when inhaling, thereby eliminating the difficulty of breathing at this time and diffusing medicinal powder through communication with the eccentric passage 18. It is.

  The punch 14 is provided in the body 2. The punch 14 is used to punch the capsule K accommodated in the capsule storage chamber 8. Further, as shown in FIG. 2, the punch 14 includes a support portion 14A movably supported in the punch guide 2B of the body 2, and a pin 14B extending from the support portion 14A toward the pin insertion holes 9 and 10. , 14B, and a return spring 14C provided between the support portion 14A and the cylindrical body 2A.

  The return spring 14C biases the support portion 14A in a direction in which each pin 14B is separated from the capsule K, and returns the support portion 14A and each pin 14B to the initial position after the capsule K is drilled. The tip of each pin 14B has a sharp needle tip shape due to the inclined surface.

  In this way, the punching tool 14 pushes the support portion 14A into the drilling tool guide 2B against the return spring 14C and inserts the pins 14B and 14B into the pin insertion holes 9 and 10, as shown in FIG. The tip of each pin 14B is pierced into the capsule K in the capsule housing chamber 8, and four holes H penetrating the capsule K in the radial direction are formed.

  Next, the mouthpiece 15 is provided at the other end of the body 2. The mouthpiece 15 is added to the mouth when the powder in the capsule K is inhaled. The mouthpiece 15 is roughly constituted by an inner body 16, a screw cylinder 17, a suction port 20, an outer body 21, an air outlet 22 and the like which will be described later.

  The inner body 16 constitutes the main body of the mouthpiece 15. The inner body 16 is formed as a stepped cylindrical body by a large diameter portion 16A fitted to the other end portion of the body 2 and a small diameter portion 16B protruding coaxially from the large diameter portion 16A to one side. The inner body 16 is attached to the body 2 by screwing a screw cylinder 17 engaged with the outer peripheral side of the large diameter portion 16A into the screw portion 2D of the body 2.

  Further, as shown in FIG. 6, reference numeral 18 indicates a plurality of, for example, four eccentric passages provided across the body 2 and the inner body 16. As shown in FIG. 6, each eccentric passage 18 extends radially. Of the four eccentric passages 18, two of the eccentric passages 18 communicate with the outflow side passage 12 at one end and the other two communicate with the auxiliary ventilation passage 13. Further, the other end side of each eccentric passage 18 opens into the diffusion passage 19 at a position eccentric in the tangential direction of the diffusion passage 19. Thereby, the eccentric passage 18 can turn the air flow flowing into the diffusion passage 19 into a swirl flow along the inner surface of the diffusion passage 19.

  The diffusion passage 19 is provided in the axial center portion of the inner body 16 so as to extend in the axial direction. In the diffusion passage 19, a swirl flow is formed by each eccentric passage 18, whereby the powder is diffused and atomized by the swirl flow.

  The suction port 20 is provided to be opened on the other side of the inner body 16. The suction port 20 is disposed on substantially the same axis as the diffusion passage 19 described above. In addition, the suction port 20 flows out (releases) the powder powder that has been diffused and atomized in the diffusion passage 19 and is formed so as to gradually expand from the diffusion passage 19 toward the other side.

  The outer body 21 is a cylindrical member provided on the outer peripheral side of the small-diameter portion 16B of the inner body 16, and constitutes a holding portion that allows the patient to hold the mouth. As shown in FIGS. 7 and 8, the outer body 21 has a laterally long elliptical shape so that it can be easily held. Further, the outer body 21 is integrally attached to the small-diameter portion 16B of the inner body 16 by using means such as adhesion, welding, and uneven fitting.

  Here, as shown in FIGS. 1 and 7, the outer body 21 is provided with two air intake holes 21A located near the large-diameter portion 16A, and the inner peripheral side corresponding to the air intake holes 21A. Is provided with an arc passage 21B having an arcuate cross section extending in the axial direction between the small-diameter portion 16B. Further, as shown in FIG. 8, a cylindrical passage 21 </ b> C communicating with the downstream side (the other side) of the arc passage 21 </ b> B is provided on the inner peripheral side of the outer body 21. Further, one end portion of the outer body 21 is an extension portion 21D extending forward from the suction port 20, and an air outlet 22 described later is provided on the inner peripheral side of the extension portion 21D.

  A plurality of air outlets 22 are provided on the inner peripheral side of the extending portion 21 </ b> D of the outer body 21. Each air outlet 22 is formed as a circular hole arranged in the circumferential direction so as to surround the inlet 20. Further, each air outlet 22 blows out air in a state of being arranged in the circumferential direction, thereby, as shown in FIG. 9, an air curtain 24 that surrounds the periphery of the powder flow 23 that has flowed out from the suction port 20. The air curtain 24 prevents the powder from adhering to the surface of the tongue, the inner surface of the oral cavity, and the like.

  In addition, each air outlet 22 is provided at a position entering the heel side (one side) of the distal end of the outer body 21 serving as the distal end portion of the mouthpiece 16, whereby the air blown out from the air outlet 22 is supplied to the outer body 21. Thus, the air curtain 24 can be stably formed in a cylindrical shape by adjusting the distance up to the tip of 21.

  Here, the structure of the mouth will be described. The inside of the mouth becomes the oral cavity, and the distance from the lips to the esophagus located at the most distal part, the pharynx leading to the trachea is about 80 mm. In addition, there is a taste sensation device that senses the taste on the tongue in the oral cavity, and this taste sensation device is arranged in the order of the sweet taste sensation part, salty taste sensation part, sour taste sensation part, bitter taste sensation part (all not shown) Has been. Further, the sweet taste sensation part is arranged up to a position about 30 mm from the lips, and the bitter taste sensation part is arranged up to a position about 60 mm from the lips. And each sensory part which comprises a gustatory device has the important function which senses these tastes, when the food and drink put in the oral cavity adhere. However, each sensory part feels the taste even when the powder that does not need to be tasted adheres, so the patient may feel uncomfortable when inhaling the powder.

  Therefore, the outer body 21 constituting the holding portion has an axial length L1 set in a range of 30 to 80 mm, for example, about 30 mm. Thereby, when inhaling medicinal powder, medicinal powder can flow out at a position beyond the sweet taste sensation part on the tip side of the tongue, and medicinal powder can be inhaled comfortably.

  The inhalation-type dispenser according to the first embodiment has the above-described configuration. Next, an operation when the patient inhales the powder will be described.

  First, the capsule holder 5 is pulled out from the holder accommodating portion 3, and the capsule K is fitted into the capsule fitting recess 6 </ b> B of the capsule holding portion 6. In this state, the capsule holding part 6 is pushed into the holder accommodating part 3 and the capsule K is set in the capsule accommodating chamber 8. Next, the four holes H are formed in the capsule K by each pin 14B by pushing the support portion 14A of the punch 14 along the punch guide 2B.

  When each hole H is opened in the capsule K in the capsule housing chamber 8 in this way, the patient adds the outer body 21 of the mouthpiece 15 to the mouth and inhales, so that the powder flowing out from the suction port 20 (powder flow) 23) can be inhaled.

  Moreover, when the powder is inhaled, air is blown out from the air outlet 22 to form an air curtain 24 that wraps the powder flow 23 from the surroundings, so that the powder contained in the powder flow 23 is on the surface of the tongue, the oral cavity Can be prevented from adhering to the inner surface or the like. Thus, the patient can inhale a prescribed amount of the powder without feeling the taste due to the sweet, salty, sour, and bitter components of the powder.

  In addition, since the outer body 21 has an axial length L1 set to 30 mm, the powder can flow out to a position beyond the sweet taste sensation portion arranged at the tip of the tongue, and the taste due to the sweet taste component can be obtained. You can inhale the powder without feeling.

  Thus, according to the first embodiment, the mouthpiece 15 is provided with a plurality of air blasts that are located around the suction port 20 and blow out the air surrounding the powder flow 23 flowing out from the suction port 20. The outlet 22 is provided. Therefore, when the outer body 21 of the mouthpiece 15 is put in the mouth and breathed in, the air curtain 24 that wraps around the powder flow 23 that flows out from the suction port 20 is blown by the air blown out from each air blower port 22. Can be formed.

  As a result, the air curtain 24 can prevent the powder contained in the powder flow 23 from adhering to the surface of the tongue, the inner surface of the oral cavity, etc. You can comfortably inhale the powder without feeling sour or bitter.

  Further, since each air outlet 22 is opened at a position that is closer to the heel side than the tip of the mouthpiece 15, the air blown from each air outlet 22 is supplied to the tip of the mouthpiece 15. The air curtain 24 can be formed stably.

  Furthermore, since the length dimension L1 of the outer body 21 which is a part to be added to the mouth is set to about 30 mm, for example, the medicinal powder can flow out at a position beyond the sweet taste sensing portion of the tongue, and the sweetness can be felt. And can comfortably inhale the powder.

(Second Embodiment)
Next, FIG. 10 shows a second embodiment of the present invention. The feature of the second embodiment is that the mouthpiece has a configuration in which the length dimension of the portion to be added to the mouth is set to about 80 mm. In the second embodiment, the same components as those in the first embodiment described above are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIG. 10, reference numeral 31 denotes a mouthpiece according to the second embodiment provided on the other end side of the body 2. The mouthpiece 31 includes an inner body 32 formed as a stepped cylindrical body from a large diameter portion 32A and a small diameter portion 32B, and the inner body 32 in substantially the same manner as the mouthpiece 15 according to the first embodiment described above. A screw cylinder 33 that attaches to the body 2, an eccentric passage 34 provided between the body 2 and the inner body 32, a diffusion passage 35 provided at the axial center position of the inner body 32, a suction port 36, and an inner body The outer body 37 is provided on the outer peripheral side of the small-diameter portion 32 </ b> B of 32, and an air outlet 38 is provided on the outer body 37.

  However, in the mouthpiece 31 according to the second embodiment, the outer body 37 that forms the holding portion that is added to the mouth is formed in a long shape, and the small-diameter portion 32B and the like of the inner body 32 are formed in a corresponding shape. This is different from the mouthpiece 15 according to the first embodiment described above.

  Specifically, the outer body 37 of the mouthpiece 31 has an axial length L2 set to about 80 mm. In this way, by setting the length L2 of the mouth portion to 80 mm, when the outer body 37 is inserted deeply into the oral cavity, the tip of the outer body 37 exceeds the taste sensation device of the tongue that feels sweet, salty, sour, and bitter. Can be opened to a position. Moreover, the 80-mm outer body 37 can press the tongue that becomes an obstacle in the oral cavity, and can directly discharge the medicinal powder toward the throat.

  Thus, also in the second embodiment configured as described above, it is possible to obtain substantially the same operational effects as those of the above-described first embodiment. In particular, according to the second embodiment, since the medicinal powder can flow out directly to the throat beyond the taste sensation of the tongue, the medicinal powder contains a sweet taste component, a salty taste component, a sour taste component, and a bitter taste component. Even things can be inhaled comfortably without taste.

  In addition, since the long outer body 37 can hold the tongue as an obstacle, it prevents the powder from adhering to the tongue, oral cavity, etc., and efficiently administers a prescribed amount of powder to the bronchi and the like. be able to.

(Other embodiments)
It should not be understood that the description and drawings which form part of the disclosure of the above-described embodiments limit the present invention. From this disclosure, various alternative embodiments, examples and operational techniques will be apparent to those skilled in the art.

  For example, in each of the above-described embodiments, the case where the capsule holder 5 is taken in and out of the body 2 and the capsule K is attached and detached has been described as an example. However, the present invention is not limited thereto, and for example, It is good also as a structure which inserts / withdraws a capsule directly with respect to a capsule storage chamber like 7-313599 gazette.

  Moreover, in each embodiment mentioned above, it was set as the structure which accommodates the capsule K with which the medicinal powder was filled in the capsule accommodating chamber 8, However, This invention is not limited to this, For example, a medicinal powder accommodating chamber in a prescription device main body. It is good also as a structure which fills this powder powder chamber directly with powder, and inhales this powder.

  Further, in the first embodiment described above, the case where the plurality of air outlets 22 are formed as circular holes arranged in the circumferential direction so as to surround the inlet 20 has been described as an example. The present invention is not limited to this. For example, the air outlet may be formed by an arc-shaped slit or an annular slit. This configuration can be similarly applied to the second embodiment.

  Furthermore, in the first embodiment described above, a case where the length dimension L1 of the outer body 21 that becomes the holding portion of the mouthpiece 15 is set to about 30 mm is illustrated. In the second embodiment, the mouthpiece 31 The case where the length L2 of the outer body 37 serving as the holding portion is set to about 80 mm has been described as an example. However, the present invention is not limited to this. For example, the length of the outer body is appropriately set for each purpose within a range of 30 to 80 mm according to components such as sweetness, salty taste, sourness, and bitterness contained in the powder. It is something that can be done.

1 is a front view showing an inhalation-type dispensing device according to a first embodiment of the present invention. It is a longitudinal cross-sectional view which shows the inhalation-type prescription device which concerns on the 1st Embodiment of this invention. FIG. 2 is a right side view of the inhalation-type dispensing device shown in FIG. 1. It is a right view of the prescription device main body which removed the capsule holder. It is an expanded vertical sectional view which expands and shows a capsule holder. It is a cross-sectional view which expands and shows an eccentric channel | path etc. from the arrow VI-VI direction in FIG. It is a cross-sectional view which expands and shows an inner body and an outer body from the arrow VII-VII direction in FIG. It is a cross-sectional view which expands and shows an inner body and an outer body from the arrow VIII-VIII direction in FIG. It is a longitudinal cross-sectional view which shows the inhalation-type prescription device in the state which is inhaling air from an inhalation port. It is a longitudinal cross-sectional view which shows the inhalation-type prescription device which concerns on the 2nd Embodiment of this invention.

Explanation of symbols

2 Body 8 Capsule storage room (powder storage room)
15, 31 Mouthpiece 16, 32 Inner body 20, 36 Suction port 21, 37 Outer body (portion)
22,38 Air outlet 23 Powder flow 24 Air curtain K Capsule

Claims (5)

A powder storage chamber for storing powder inside, a mouthpiece to be added to the mouth when the powder in the powder storage chamber is inhaled, and powder discharged from the powder storage chamber provided in the mouthpiece An inhalation-type dispenser comprising an inhalation port for inhaling a powder flow containing
The mouthpiece is provided with an air outlet for blowing air to the inlet.   The inhalation-type prescription device according to claim 1, wherein the air blow-out opening opens at a position entering the heel side from the distal end of the mouthpiece.   The inhalation-type prescription device according to claim 1, wherein the air blow-out opening opens at a distal end portion of the mouthpiece.   The said air blower outlet is set so that the air which wraps the circumference | surroundings of the powder flow which flowed out from the said suction inlet may be blown out, It described in any one of Claim 1 thru | or 3 characterized by the above-mentioned. Inhalation dosing device.   The inhalation-type dosing device according to any one of claims 1 to 4, wherein a length dimension of a portion of the mouthpiece that is attached to a mouth is set in a range of 30 to 80 mm.

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