JPH08276023A - Medicating device for nasal cavity - Google Patents

Abstract

PURPOSE: To provide a medicating device for nasal cavity capable of surely boring capsule and simultaneously medicating both right and left nasal cavities with the drug in the capsule. CONSTITUTION: A capsule storage hole 5 and a supply valve 9 are mounted on a capsule holder 2. A pump part 11 with a suction valve 12 is mounted on the air inlet side of the capsule holder 2, and a drug spray part 15 with two drug passages 20 and 20 branched from the capsule storage hole 5 and spray openings 21 and 21 are mounted on the outlet side. A borer 25 is stored in the drug spray part 15. A capsule is stored in the capsule storage hole 5, a through hole is bored with the borer 25, and the drug in the capsule can be supplied for medication to both right and left nasal cavities of a patient by air from the pump part 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nasal drug dispenser suitable for intranasal administration of powdered medicine.

[0002]

2. Description of the Related Art In general, a method of treating a patient with nasal allergy, asthma or the like by administering a powdered drug through the nasal cavity has been adopted. Further, in this treatment method, a powdery drug filled in a capsule is administered into the nasal cavity by using a dedicated device (medication for nasal cavity).

Further, as an apparatus used for this treatment method, there is known one shown in Japanese Patent Application Laid-Open No. 59-34267 (hereinafter referred to as "prior art").

In this conventional apparatus, a pump portion is provided on the air inlet side of the cylindrical member, and a concave portion into which a capsule is inserted is formed on the air outlet side of the cylindrical member. The capsule housing portion is formed by fitting the distal end portions, and the air introduction passage is formed from the capsule housing portion toward the pump portion. Further, a valve mechanism is provided on the other side of the pump portion, and by the valve mechanism, air is supplied to the capsule housing portion through the air introduction passage when the pump portion is pressed, and air is supplied from the outside when the pump portion returns. It is designed to suck into the pump section. Furthermore, a state in which a cap that fits the cylindrical member and the tip end portion is provided, and a pin that extends in the axial direction is provided in the cap, and the concave portion of the cylindrical member and the tip end portion that has the opening portion are fitted together The capsule is perforated by fitting the cap with.

In the prior art constructed as described above, first, in preparation of drug administration, a capsule filled with a drug in powder form is inserted into the concave portion of the cylindrical member, and then the tip portion is fitted. Then, the capsule is inserted into the capsule housing portion, and the cap is attached so that the pin is inserted into the opening of the tip portion, so that the pin provided in the cap makes holes on both sides in the axial direction of the capsule. .

Next, in order to administer the drug, the cap is removed from the cylindrical member and the tip portion is inserted into one nasal cavity of the patient,
By pressing the pump part, the air from the pump part circulates in the capsule through the air introduction passage, and the drug in the capsule is transported into the nasal cavity of the patient through the opening, so that it can be inserted into the nasal cavity. By alternately exchanging and repeating the operation, the drug is administered to the patient.

Further, in the prior art, since the nasal cavity is dosed alternately to the left and right nasal cavities, a gap is provided between the capsule container and the capsule, and the pump section is pressed only once. The medicine in the capsule is not entirely administered by the operation, and the medicine in the capsule is administered by the operation of about 4 times only in one nasal cavity.

[0008]

By the way, in the above-mentioned device according to the prior art, since the nasal cavity is dosed one by one, the pump is repeatedly pumped in order to evenly supply the left and right nasal cavities. The pressing operation of the part and the insertion of the cylindrical member into the nasal cavity must be repeated, and the dispensing operation is troublesome.

Further, when the capsule is bored, the removable cap is attached to the cylindrical member, so that if the cap is lost, it cannot be used as a medication device.

Further, the powdery drug in the capsule falls into the pump portion when the hole is punched. In this case, the drug in the capsule is lower than the specified amount, and the specified amount of the drug required by the patient is reduced. There is a problem in that it becomes impossible to administer the drug and it is necessary to frequently clean the medicine that has fallen into the pump section.

The present invention has been made in view of the above-mentioned various problems of the prior art, and an object of the present invention is to provide a nasal drug dispenser capable of administering a drug by a simple dosing operation.

[0012]

In order to solve the above-mentioned problems, the nasal drug dispenser according to the invention of claim 1 has a capsule holding portion for holding a capsule filled with powdery medicine inside, A pump unit provided in the capsule holding unit to supply air to the capsules of the capsule holding unit, and the air supplied from the pump unit directs the drug in the capsule into the left and right nasal cavities of the patient. For spraying by spraying, the capsule holding part is provided with two drug passages branching from each other, and each tip has a separate spray port, and an axial through hole is formed in the capsule in the capsule holding part. To this end, the chemical spraying section is composed of a hole punching tool that is provided so as to be movable in the axial direction.

According to the second aspect of the present invention, the capsule holding portion is provided with a housing hole for housing the capsule in the axial direction, and the axial dimension of the housing hole is slightly shorter than the axial dimension of the capsule. It is in.

According to a third aspect of the present invention, a medicine capturing section for capturing a medicine falling from the capsule when a through hole is formed in the capsule between the capsule holding section and the pump section by the pin of the hole making tool. Has been formed.

According to a fourth aspect of the invention, the chemical spraying section is provided with a seal rubber for sliding the pins of the hole making tool in a powder-tight manner with respect to the chemical paths.

According to a fifth aspect of the present invention, the capsule holder is provided with a capsule discharging tool that is axially displaced.

According to the sixth aspect of the present invention, a linear portion is formed in the chemical passage of the chemical jet portion, and the linear portion is configured as an acceleration passage.

[0018]

In the structure according to the first aspect of the present invention, at the time of making a hole, after holding the capsule in the capsule holding portion, the pin of the hole making tool is moved to the capsule side, and a through hole is made in the capsule by the tip of the pin. Further, at the time of administration, air is supplied from the pump part, and this air flows through the perforated through-hole into the capsule, and the drug flows from the capsule to each of the left and right side along with each drug through each drug passage of the drug spraying part. It is delivered from the spray mouth to the left and right nasal cavity of the patient, respectively. This allows the drug to be simultaneously administered to both the left and right nasal cavities of the patient.

According to the second aspect of the present invention, by making the axial dimension of the capsule accommodating hole provided in the capsule holding portion slightly shorter than the axial dimension of the capsule, the capsule is securely fixed and accommodated in the capsule accommodating hole. In addition, since the capsule hole can be brought into close contact with the air inflow side and the air outflow side, all the air from the pump portion can flow into the capsule at the time of medication and the medicine can be efficiently ejected.

According to the third aspect of the present invention, since the medicine catching section is formed between the capsule holding section and the pump section, the medicine catching section can catch the medicine falling into the pump section at the time of drilling. The captured drug can be sent to the left and right nasal cavities of the patient together with the drug in the capsule through the capsule holding part and the drug spraying part by the air from the pump part during administration.

According to the invention of claim 4, a seal rubber for sliding the pin of the hole punching tool in a powder-tight manner with respect to each of the medicine passages is provided in the medicine spraying section, so that the pump can be pumped through the capsule holding section during administration. The air supplied from the part can be prevented from flowing into the punching tool side.

According to the fifth aspect of the present invention, since the capsule holder is provided with the capsule discharging tool which is displaced in the axial direction, the capsule discharging tool is operated after the administration, so that the capsule in which the medicine is exhausted is removed. It can be removed by popping it out of the capsule holder.

According to the sixth aspect of the present invention, by forming a linear portion in the chemical passage of the chemical spraying section and using this linear portion as an acceleration passage, the chemical passing through the acceleration passage can be straightened or straightened. Can be jetted toward the nasal cavity of the patient in a state in which the medicine is accelerated and accelerated.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.

First, a first embodiment of the nasal drug dispenser according to the present invention will be described with reference to FIGS.

In the figure, reference numeral 1 denotes a nasal cavity drug dispenser according to the present embodiment. The nasal cavity drug dispenser 1 is a capsule holding part for holding a capsule K together with a drug spraying part 15 which will be described later and which is located at the axial center. Holder 2 and the capsule holder 2
Is provided on the air inflow side of the capsule holder 2
A pump unit 11 for supplying air to the capsule K of
The drug spraying unit 15 is provided on the air outflow side of the capsule holder 2 and a part thereof constitutes a capsule holding unit together with the capsule holder 2 and sprays the drug to the left and right nasal cavities of the patient. And a hole making tool 25 for making a hole in the capsule K housed in the capsule holder 2 and provided in the medicine spraying section 15. In addition,
The capsule holder 2 is integrated with the pump unit 11, and the capsule holder 2 is detachable from the chemical spray unit 15.

Reference numeral 2 denotes a capsule holder which constitutes a capsule holding portion, and the capsule holder 2 is formed of a resin material in a cylindrical shape having a small diameter, and the capsule holder 2 is provided on the other side in the axial direction (air outflow side) thereof. The screw portion 3 is formed on the outer peripheral surface, and the one side capsule hole 4 that opens to the end surface is formed on the inner periphery. The one side capsule hole 4 and the other side capsule hole 18 to be described later of the chemical spraying section 15. The capsule housing hole 5 is formed by being integrated. Further, an air supply passage 6 for supplying air from the pump portion 11 and an air supply passage 6 are provided on one axial side (air inflow side) of the one side capsule hole 4.
A large-diameter supply valve chamber 7 that communicates with the small-diameter capsule inflow passage 8 that opens from the supply valve chamber 7 to the capsule hole 4 is formed. 30 is formed.

Reference numeral 9 denotes a supply valve. The supply valve 9 comprises a valve body 10 provided in the supply valve chamber 7, and the valve body 10 opens when air is supplied from the pump section 11. At the time of suction, it is seated to close the air supply passage 6.

Reference numeral 11 denotes a pump portion provided on the air inflow side of the capsule holder 2. The pump portion 11 is made of a rubber material and has an opening portion 11A, a bottom portion 11B and a pressing portion 1 on the peripheral surface.
1C is formed into a bottomed cylindrical shape, and its opening 11A
An outer peripheral surface on one side of the capsule holder 2 is hermetically attached to the inside of the capsule holder 2, and a suction valve 12 described later is attached to the center of the bottom portion 11B.

Reference numeral 12 denotes a suction valve. The suction valve 12 is formed in the bottom portion 11B of the pump portion 11 and has a suction passage 13 located at the center and a valve body 14 for opening and closing the suction passage 13.
The valve body 14 is closed when air is supplied from the pump portion 11 and opened when sucking air to suck air into the pump portion 11 from the outside.

Reference numeral 15 denotes a chemical spraying portion provided on the air outflow side of the capsule holder 2. The chemical spraying portion 15 is made of a resin material and has an outer shape in which one side in the axial direction is a small diameter portion 15A having the same diameter as the capsule holder 2 and the other side is. The large diameter portion 15B is formed in a cylindrical shape, and the large diameter portion 15B has a pair of nasal cavity insertion portions 1
Projections 6 and 16 are formed. Further, the small-diameter portion 15A is formed with an internal thread portion 17 that is screwed to the external thread portion 3 of the capsule holder 2 on the inner peripheral side thereof, and has an end face with the one-side capsule hole 4 and a capsule housing hole. 5, the other side capsule hole 18 is formed, and the other side capsule hole 1 is formed.
In the inner part of 8, there is a capsule outflow side passage 19 communicating with the other side capsule hole 18, and two long chemical passages 20, 2 branched from the capsule outflow side passage 19 and extending in a substantially U-shape.
0 is formed, and the tip end side of each drug passage 20 is located inside the nasal cavity insertion portion 16 and serves as independent spray ports 21 and 21.

Here, the drug passages 20 and 20 are branched passage portions 20A and 20A which are branched leftward and rightward from the capsule outflow side passageway 19 and curved upward, and the respective branched passage portions 20A.
From the nasal cavity insertion portions 16 and 16, which are straight passage portions 20B and 20B serving as acceleration passages. Since each of the linear passage portions 20B is formed linearly and long, the chemicals passing through the linear passage portion 20B can be imparted with rectification and straightness to the air flow from the pump portion 11. The chemicals can be vigorously ejected from the spray port 21 while being accelerated.

Further, a pair of axially-extending axially extending holes are formed in the chemical spray passage 15 in the radial middle of each chemical passage 20 so as to accommodate a hole punch 25 in the axial direction. The punching tool mounting hole 22 having the long holes 22A and 22A (see FIG. 3) is formed. And in the vicinity of the capsule outflow side passage 19 of the punching tool attachment hole 22, a pin insertion hole 23 through which a pin 27 described later is inserted, and is located between the pin insertion hole 23 and each chemical passage 20, The seal mounting step portion 24 for mounting the seal rubber 29 is formed coaxially with each other.

Here, as shown in FIG. 2, by screwing the external thread 3 of the capsule holder 2 and the internal thread 17 of the chemical spraying section 15, the one-side capsule hole 4 and the other-side capsule hole 18 are formed. Cooperate with each other to form the capsule-accommodating hole 5, and the axial dimension L0 of the capsule-accommodating hole 5 is made slightly shorter than the axial dimension LK of the capsule K, so that the capsule K is prevented from moving in the axial direction. It is fixed firmly in the direction.

Numeral 25 is a hole forming tool mounting hole 2 of the chemical spraying section 15.
2 shows a drilling tool provided in 2, and the drilling tool 25 is
A disk portion 26A and a pair of protruding portions 26B, 26 protruding in the radial direction from the disk portion 26A and fitted into the slots 22A, 22A.
A pusher 26 (see FIG. 3) integrally formed from B,
A pin 27 having a pierced portion 27A whose proximal end is fixed to the central portion of the disk portion 26A of the pusher 26 and whose distal end extends toward one side in the axial direction to form an inclined cut needle, and the pusher 26 The disc portion 26 of the pusher 26 is provided in the punching tool mounting hole 22 so as to be pressed to one side in the direction.
And a spring 28 that biases A in the extension direction. Further, as shown in FIG. 4, the projecting portions 26B and 26B of the pusher 26 project into the oblong holes 22A and 22A of the punching tool mounting hole 22 so as to be displaceable in the axial direction. Further, the pin 27 remains inserted in the pin insertion hole 23, and the punched portion 27 at the tip is
A is located within the seal rubber 29.

Here, in the punch 25, the pusher 26
By displacing each of the protruding portions 26B in the direction of the arrow A in FIG. 4 along the elongated hole 22A, the perforated portion 27A of the pin 27 penetrates the capsule K in the capsule housing hole 5 in the axial direction, and the capsule K Through holes H, H can be easily formed in the hole (see FIG. 6).

Reference numeral 29 denotes a seal rubber attached to the seal mounting step portion 24 of the chemical spraying section 15. The seal rubber 29 is made of an elastic material and surrounds the perforated portion 27A of the pin 27 to form a capsule. It becomes powder-tight with respect to the chemicals flowing through the outflow side passage 19 and each chemical passage 20, and becomes slidable with respect to the pins 27, so that the chemicals can be prevented from entering the punching tool mounting holes 22 through the pin insertion holes 23. To prevent.

Reference numeral 30 denotes a drug trap portion formed in a cylindrical shape having a small diameter so as to face the feed valve 9 in the feed valve chamber 7 of the capsule holder 2, and the capsule inflow side in the diameter direction of the drug trap portion 30. Capture passage 3 for connecting passage 8 and supply valve chamber 7 to each other
1 is formed. Then, in the medicine capturing portion 30, when the perforated portion 27A of the pin 27 penetrates the capsule K at the time of drilling, the medicine that falls to the supply valve 9 side is captured in the capturing passage 31.

The nasal drug dispenser 1 according to the present embodiment is constructed as described above. Next, the operation at the time of opening the capsule will be described with reference to FIGS. 4 to 7.

First, as shown in FIG. 4, the capsule K is inserted into the capsule hole 4 on one side of the capsule holder 2, and the male screw portion 3 of the capsule holder 2 and the female screw portion 17 of the chemical spraying portion 15 are inserted.
As shown in FIG. 5, the capsule K is housed in the capsule housing hole 5 formed by the one side capsule hole 4 of the capsule holder 2 and the other side capsule hole 18 of the medicine spraying portion 15 by screwing.

Then, as shown in FIG. 6, by manually displacing each protruding portion 26B of the pusher 26 constituting the hole making tool 25 toward the lower side (direction of arrow A in FIG. 4),
The perforated portion 27A of the pin 27 is removed from the axial direction of the capsule K through the capsule outflow side passage 19 to form through holes H, H on both axial sides of the capsule K. At this time, pin 27
Although the drug in the capsule K drops toward the capsule inflow side passage 8 by the perforation 27A, the drug is trapped by the trap passage 31 of the drug trap 30.

Further, after the punching, the pusher 26 is automatically returned by the spring 28, and as shown in FIG. 7, with the through holes H, H opened on both sides of the capsule K in the axial direction, the capsule outlet passage 19 is opened. And each chemical passage 20 can communicate with each other. Further, the punched portion 27A of the pin 27 is held in a powder-tight manner by the seal rubber 29. Further, as described above, the chemicals that drop from the capsule K generated when the holes are drilled by the pin 27 are captured by the chemical capturing unit 30 and prevent the chemicals from dropping to the supply valve 9 and the pump unit 11 sides.

As described above, at the time of drilling the nasal drug dispenser 1 according to the present embodiment, the through holes H, H can be easily drilled by the drilling tool 25 in the axial direction of the capsule K, and the drug catching portion 30. With this, chemicals that fall when drilling can be captured.

Next, referring to FIG. 8, description will be given of the operation at the time of dosing in which the patient is dosed after the capsule K is punched as described above.

First, the left and right nasal cavity insertion parts 16 of the drug spraying part 15 are inserted into the left and right nasal cavities of the patient respectively, and as shown in FIG. 8, the pressing part 11C of the pump part 11 is moved in the arrow P direction. By pressing to, the valve body 10 of the supply valve 9 opens,
Air is supplied from the pump unit 11 toward the capsule K in the capsule holder 2.

As a result, the air from the pump unit 11 is
Each drug passage 20 from the inside of capsule K, spray port 21 on the left and right
Through the nasal cavity of the patient. At this time, the chemicals in the capsule K are agitated by the air flowing into the capsule K, and the chemicals are sent to the nasal cavity of the patient together with the air.

Further, the drug spraying section 15 is formed with drug passages 20 and 20 that branch the capsule outflow side passage 19 into two, and the tip of each drug passage 20 and 20 is located in the left and right nasal cavity of the patient. The nasal cavity insertion portion 16, 16 (spray port 21,
Due to the formation of 21), the drug to be delivered together with air can be evenly divided in each drug passage 20 and simultaneously administered to the left and right nasal cavities of the patient.

Further, since each chemical passage 20 is formed with a straight passage portion 20B, each straight passage portion 20B is formed.
The medicine is rectified while passing through and the medicine can be vigorously ejected into the nasal cavity of the patient while being imparted with straightness and accelerated.

The axial dimension L0 of the capsule accommodating hole 5 according to this embodiment is formed to be slightly shorter than the axial dimension LK of the capsule K so that the looseness of the capsule K in the accommodating hole 5 is reduced. In addition, the through-hole H on the inflow side of the capsule K and the capsule inflow-side passage 8 and the through-hole H on the outflow side of the capsule K and the capsule outflow-side passage 19 are brought into close contact with each other so that the air from the pump portion 11 is completely absorbed. Since the medicine can be flown into the inside and the medicine can be guided from the through hole H of the capsule K to the outflow side passage 19, the amount of the medicine sprayed from each spray port 21 is stabilized and the pump portion 11 is pressed about three times. By doing so, most of the drug in the capsule K can be administered into the left and right nasal cavities of the patient. As a result,
It is possible to eliminate the hassle when the patient administers the medication.

Further, the medicine trapped in the trapping passage 31 of the medicine trap 30 at the time of punching is delivered by this air while spraying the air and the medicine, and together with the medicine in the capsule K, left side of the patient, Can be delivered to the right nasal cavity. As a result, the amount of the drug remaining in the nasal drug dispenser 1 can be reduced, the prescribed amount of the drug filled in the capsule K can be reliably administered to the patient, and the frequency of cleaning the nasal drug dispenser 1 can be increased. Can be reduced.

On the other hand, when the pump portion 11 is returned, the supply valve 9 is closed, the valve body 14 of the suction valve 12 is opened, and air is sucked into the pump portion 11 from the outside through the suction passage 13.
The pressing portion 11C of the pump portion 11 is returned in the arrow R direction indicated by the chain double-dashed line.

However, in the nasal drug dispenser 1 according to this embodiment, the drug spraying section 15 has the capsule outflow-side passage 1
Two drug passages 20, 20 separating from 9 and the patient's left,
Nasal cavity insertion parts 16 and 16 (spray port 2) to be inserted into the right nasal cavity
1, 21) are formed, the axial dimension L0 of the capsule housing hole 5 is made slightly shorter than the axial dimension LK of the capsule K, and the capsule K is firmly fixed, and the inflow side of the capsule K is formed. The through hole H of the capsule K and the capsule inflow passage 8 and the through hole H of the capsule K on the outflow side of the capsule K and the capsule outflow passage 19 are brought into close contact with each other so that all the air from the pump unit 11 can flow into the capsule K. Can be guided from the through hole H of the capsule K to the outflow side passage 19, and therefore, the medicine can be almost uniformly administered to the nasal cavity of the patient during the administration. As a result, as in the prior art, the medication device is inserted into each nasal cavity of the patient,
By repeatedly pushing the pump portion 11 about three times without repeatedly administering medicine to the left and right nasal cavities many times,
The medicine can be dispensed to the patient, and the dispensing operation can be simplified.

Further, since the punching tool 25 is built in the chemical spraying section 15, after the capsule K is accommodated in the capsule accommodating hole 5, the pusher 26 can be axially displaced so that the capsule K moves in the axial direction. Through holes H, H can be easily formed in the hole. Further, since the hole punching tool 25 is built in the chemical spraying section 15, there is no fear of losing it as compared with the conventional art in which the pin is provided on the cap,
It is also safe to handle.

Further, in the capsule holder 2, the medicine capturing section 3
The drug that forms 0 and drops when the capsule K is opened is trapped in the trap passage 31 of the drug trap 30, and the trapped drug can be administered to the patient together with air. The amount of the drug remaining in 1 can be almost eliminated, and the drug filled in the capsule K can be reliably administered to the patient. Further, the number of times of cleaning the nasal medication device 1 can be significantly reduced as compared with the conventional technique.

Further, the seal mounting step portion 2 of the chemical spraying portion 15
4 is provided with a sealing rubber 29 formed of an elastic material, and the sealing rubber 29 causes the perforated portion 27A of the pin 27.
Since the surroundings are surrounded, the chemical passages 20 and the punching tool mounting holes 22 can be powder-tightly separated, and the chemicals in the air flowing through the chemicals passages 20 can be separated from the punching tool mounting holes 22.
It is possible to prevent the intrusion.

Further, the straight passage portion 20B formed in the medicine passage 20 imparts rectifying and straightening properties to the medicine, and in a state in which the medicine is accelerated, it is vigorously ejected from each spray port 21 toward the nasal cavity of the patient. can do. Then, it is possible to administer the drug to a predetermined position in the nasal cavity of the patient for each administration operation, and it is possible to improve the absorption efficiency of the drug in the nasal cavity of the patient.

Next, FIG. 9 to FIG. 13 show a second embodiment. The feature of this embodiment is that a capsule ejector is provided in the capsule holding portion. In this embodiment, the same components as those in the first embodiment described above are designated by the same reference numerals, and the description thereof will be omitted.

In the figure, reference numeral 41 denotes a capsule holder according to the present embodiment, which is used in place of the capsule holder 2 described in the first embodiment, and the capsule holder 41 has substantially the same structure as the capsule holder 2. Slide holes 42, 42 extending in the axial direction are formed in the radial direction of the one-side capsule hole 4.

Reference numeral 43 denotes a capsule ejector, which has substantially the same size as the cross section of the capsule K, and has a disc having an insertion hole 44A at the center thereof, into which the hole 27A of the pin 27 is inserted. Each of the beam portions 45 comprises a portion 44, beam portions 45, 45 extending in the diametrical direction of the disc portion 44, and a tubular portion 46 that holds the disc portion 44 by the beam portions 45. It is inserted in the slide hole 42 so as to be movable in the axial direction.

Next, the operation of the capsule ejector will be described with reference to FIGS. 12 and 13.

FIG. 12 shows a state in which the medicine spraying section 15 is removed from the capsule holder 41 after the administration of the medicine has been completed. An empty capsule K is provided in the one-side capsule hole 4.
Only the disc portion 44 of the capsule ejector 43 is in contact with the lower side of the capsule K. In this state, by moving the tubular portion 46 of the capsule ejector 43 in the direction of the arrow B, the capsule K spontaneously separates from the one-side capsule hole 4 as shown in FIG. 13, and the capsule K is easily discarded. can do.

In the nasal drug dispenser of the present embodiment constructed as described above, not only the same operational effects as those of the first embodiment described above are obtained, but also by providing the capsule ejector 43 in the capsule holder 41. The capsule K after use can be easily removed, it is not necessary to directly grasp the capsule K by hand when removing it, and the disposal process of the capsule K can be easily performed.

Next, FIG. 14 shows a third embodiment, which is characteristic of this embodiment in that the supply valve 9 and the suction valve 52 are provided between the capsule holder 51 and the pump portion 11. . In this embodiment, the same components as those in the first embodiment described above are designated by the same reference numerals, and the description thereof will be omitted.

In the figure, reference numeral 51 denotes a capsule holder used in this embodiment in place of the capsule holder 2 according to the first embodiment. The capsule holder 51 is provided with a supply valve 9 at an axially intermediate portion, and A suction valve 52 is provided on one side in the axial direction, and a one-side capsule hole 4 is provided on the other side in the axial direction.

That is, in the supply valve 9, one side in the axial direction of the valve body 10 is the air supply passage 6, and the other side in the axial direction is the large-diameter supply valve chamber 7 and the capsule inflow side passage 8. On the other hand, the suction valve 52 has its valve body 53 provided in the suction valve chamber 54, one side of which opens and closes the pump side air supply passage 55, and the other side opens and closes the valve seat 56 protruding into the suction valve chamber 54. The capsule holder 51 is provided with a communication passage 57 for communicating the suction valve chamber 54 with the atmosphere at all times.
When 3 is seated on the valve seat 56, the communication passage 57 is closed.

The valve body 53 of the suction valve 52 is provided with a plurality of small diameter passages 53A, 53A, ... Which communicate the suction valve chamber 54 and the pump side air supply passage 55.

Here, in the suction valve 52, when the air is supplied to the pump portion 11, the valve body 53 is seated on the valve seat 56, and
The small diameter passage 5 formed in the valve body 53 by closing the communication passage 57.
Air from the pump unit 11 is supplied to the supply valve 9 via the capsule inflow side passage 8 via 3A, 53A, .... On the other hand, when the pump portion 11 is sucking, the valve body 53 is
It moves to the 1 side, and each small diameter passage 53 of the communication passage 57 and the valve body 53.
Air is sucked into the pump portion 11 via A. At this time,
Since the supply valve 9 is closed, air is not sucked into the pump portion 11 from the capsule holder 51 side.

As described above, also in the nasal cavity drug dispenser according to the present embodiment, the same operational effects as those of the first embodiment described above can be obtained, and it is not necessary to provide the suction valve in the pump portion 11, and the pump is not required. The configuration of the part 11 can be simplified.

Next, FIG. 15 shows a fourth embodiment. The feature of this embodiment is that the nasal cavity insertion parts 16, 1 of the chemical spraying part 61 are provided.
Between 6 and 6, the contact part 62 which makes an arc surface is formed so that the nasal cavity of a patient may contact. In this embodiment, the same components as those in the first embodiment described above are designated by the same reference numerals, and the description thereof will be omitted.

In this embodiment having such a structure, not only can the same effects as those of the first embodiment described above be obtained, but also by providing the abutting portion 62 which contacts the nasal cavity of the patient, It is possible to eliminate variations in the insertion size of the nasal cavity insertion portion 16 and to always perform constant medication.

Further, FIG. 16 shows a fifth embodiment according to the present invention. The feature of this embodiment is that the capsule accommodating portion and the chemical spraying portion are integrally formed, and the capsule is accommodated in the capsule accommodating portion. After that, the pump unit is attached to the capsule housing unit. In this embodiment, the same components as those in the first embodiment described above are designated by the same reference numerals,
The description will be omitted.

In the figure, reference numeral 71 denotes a nasal cavity drug dispenser according to the present embodiment, and the nasal cavity drug dispenser 71 is a drug dispenser main body 72 in which a capsule holder 74 and a drug spraying section 84 described later are integrally formed.
And a pump portion 82 for supplying air toward the capsule housed in the drug dispenser body 72, and a punching tool 90 provided in the drug dispenser body 72 for drilling a capsule. .

Reference numeral 72 designates the main body of the dispenser, and the main body 7 of the dispenser.
2 is formed of a resin material in a cylindrical shape, and one side in the axial direction (air inflow side) of the drug dispenser main body 72 is a small diameter portion 72A, and a female screw portion 77 of a pump holder 76 described later is screwed onto the outer peripheral surface thereof. The external thread portion 73 to be formed is formed,
The small diameter portion 72A serves as a capsule holder 74. Also, the other side in the axial direction (air outflow side) becomes the large diameter portion 72B,
The large diameter portion 72B serves as a chemical spraying portion 84.

Reference numeral 74 denotes a capsule holder which is formed in the small diameter portion 72A of the main body 72 of the drug dispenser and constitutes a capsule holding portion. The capsule holder 74 is formed in a small diameter cylindrical shape, and the inside thereof is opened toward the end face. Capsule receiving hole 75
The capsule K is held in the capsule accommodating hole 75 by inserting the capsule K into the capsule accommodating hole 75 and then inserting the capsule pressing protrusion 76E of the pump holder 76 described later. ing.

Reference numeral 76 denotes a pump holder for holding the capsule K in the capsule receiving hole 75.
Is formed in a tubular shape with a bottom from the cylinder portion 76A, the opening portion 76B and the bottom portion 76C, and a partition wall portion 76D that defines a supply valve chamber 78 described later between the bottom wall portion 76C and the partition wall portion 76D. A capsule pressing protrusion 76E that protrudes toward the opening 76B and presses the capsule K by being inserted into the capsule housing hole 75 is formed.

A female thread portion 77 screwed to the male thread portion 73 is engraved on the inner peripheral surface of the cylindrical portion 76A, and a supply valve chamber 78 is defined between the bottom portion 76C and the partition wall portion 76D. The bottom portion 76C has an air supply passage 79 for supplying air from a pump portion 82 described later. Further, a capsule inflow passage 80 having a small diameter that communicates with the supply valve chamber 78 from the partition wall portion 76D to the capsule pressing projection 76E.
And a partitioning portion 76D is formed with a chemical capturing portion 95 described later.

Reference numeral 81 denotes a supply valve which is located in the supply valve chamber 78 of the pump holder 76 and is openably and closably provided in the air supply passage 79. The supply valve 81 is provided when air is supplied from the pump portion 82. The valve is opened and seated when inhaling to close the air supply passage 79.

Reference numeral 82 denotes a pump portion provided on the outer circumference of the pump holder 76 so as to accommodate the pump holder 76. The pump portion 82 is made of a rubber material and has an opening 82.
A, the bottom portion 82B and the peripheral surface are formed in an oblong shape with a pressing portion 82C, and the opening portion 82A is integrally fixed to the opening portion 76B of the pump holder 76 by means such as welding or adhesion, and the bottom portion 82B A suction valve 83 described later is attached to the central portion.

Reference numeral 83 designates a suction valve, which is formed on the bottom portion 82B of the pump portion 82, is closed when air is supplied from the pump portion 82, is opened when sucked, and is pumped from outside by the pump portion 82. It is designed to take in air.

Reference numeral 84 denotes a chemical spraying portion formed on the large diameter portion 72B of the main body 72 of the drug dispenser. The chemical spraying portion 84 is formed in a large diameter columnar shape, and a pair of nasal cavity is formed on the end surface of the large diameter portion 72B. The insertion portions 85, 85 are formed to project. Further, in the medicine spraying portion 84, a capsule outflow side passage 86 communicating with the capsule accommodating hole 75 of the capsule holder 74, and a left and right branch from the capsule outflow side passage 86 to extend in a substantially U shape. Two drug passages 87, 87 are formed, and on the tip side of each drug passage 87 are independent spray ports 88, 88 located inside the nasal cavity insertion portion 85.

Here, the medicine passages 87, 87 are branched passage portions 87A, 87A which are branched to the left and right from the capsule outflow side passage 86 and curved upward, and the respective branch passage portions 87A.
From the nasal cavity insertion portions 85, 85 to linear acceleration passages 87B, 87B serving as acceleration passages. Further, since each of the linear passage portions 87B is formed linearly and long, it is possible to impart rectification and straightness to the chemicals passing through the linear passage portion 87B by the air flow from the pump portion 82. Therefore, the chemical can be vigorously ejected from the spray port 88 while being accelerated.

Reference numeral 89 denotes a diffusion chamber located in the middle of the capsule outflow side passage 86 and provided in the medicine spraying portion 84. The diffusion chamber 89 is formed so as to have a diameter larger than that of the capsule outflow side passage 86. The diffusion chamber 89 has a capsule outflow side passage 86.
The air flow collides with each other in the diffusion chamber 89 due to the difference in the radial dimension thereof, and the chemicals and the air are well mixed to make the mixing degree uniform.

Reference numeral 90 denotes a hole punching tool provided in the chemical spraying section 84 in the axial direction. The hole punching tool 90 is substantially the same as the hole punching tool 25 described in the first embodiment.
And a pin 92 having a perforated portion 92A fixed to the central portion of the pusher 91 and having a distal end extending toward the one side in the axial direction to form an inclined cut needle, and the pusher 91 is pressed to the one side in the axial direction. Therefore, it is generally constituted by a spring 93 for urging the pusher 91 in the extending direction.

94 is a seal rubber, and the seal rubber 94 is made of an elastic material and surrounds the pin 92 so that it is powder-tight to the medicine flowing through the capsule outflow side passage 86 and each medicine passage 87 and the pin. It is slidable with respect to 92.

Further, 95 is provided on the partition wall 76D of the pump holder 76 coaxially with the capsule pressing projection 76E and at the supply valve 8
1 is a drug trapping portion that is provided so as to project into the supply valve chamber 78, and in the diameter direction of the drug trapping portion 95, there is a trap passage 96 that connects the capsule inflow side passage 80 and the supply valve chamber 78. Has been formed. Then, the medicine capturing section 95
Is configured to capture a drug, which falls to the supply valve 81 side when the perforated portion 92A of the pin 92 penetrates the capsule K at the time of drilling, in the capture passage 96.

The pump holder 76 and the pump portion 82 are integrated by fixing the opening portion 76B and the opening portion 82A, and constitute the pump unit 97 together with the supply valve 81 and the suction valve 83, and the pump unit 97 as a whole. Is attachable to and detachable from the capsule holder 74 of the medication device main body 72.

The nasal drug dispenser 71 according to the present embodiment is constructed as described above. Next, the insertion of the capsule K, which is the drug preparation operation, will be described.

First, the nasal drug dispenser 71 includes a drug dispenser main body 72 in which a capsule holder 74 and a chemical spray portion 84 are integrally formed, and a pump unit 97 in which a pump holder 76, a pump portion 82 and the like are integrally formed. Divide. Next, after the capsule K is inserted into the capsule accommodation hole 75 of the capsule holder 74, the capsule pressing protrusion 76E is moved to the capsule accommodation hole 7
5, the external thread portion 73 of the drug dispenser main body 72 and the threaded portion 77 formed on the pump holder 76 of the pump unit 97 are screwed together. Thereby, the axial direction of the capsule K can be held together with the capsule pressing protrusion 76E in the capsule housing hole 75.

In addition, during the operation of making a hole in the capsule K,
Through holes H, H are formed in the capsule K by the boring portion 92A of the pin 92 of the hole making tool 90. At this time, the medicine capturing section 9
5 prevents chemicals from dropping into the pump portion 82.

Further, also in the operation at the time of administration after the through holes H, H have been opened in the capsule K, by pressing the pressing portion 82C of the pump portion 82 as in the first embodiment described above, The air generated from the pump unit 82 can send the medicine in the capsule K to the nasal cavity of the patient.

Therefore, in the nasal drug dispenser 1 according to this embodiment, the drug dispenser main body 72 in which the capsule holder 74 and the chemical spraying unit 84 are integrally formed, the pump unit 97 having the pump holder 76, the pump unit 82 and the like. Since the capsule holder 74 of the drug dispenser main body 72 is housed in the pump unit 97 (pump portion 82), the axial dimension of the nasal cavity drug dispenser 71 can be changed to another embodiment. It can be surely shortened as compared with the nasal medication device according to the example, and can be easily carried by miniaturization.

Further, also in this embodiment, the chemical passage 8
Since the straight passage portions 87B and 87B are formed in the reference numerals 7 and 87, the chemicals are rectified while passing through the straight passage portions 87B, and the straightness is imparted to accelerate the chemicals. The drug can be vigorously ejected toward the nasal cavity of the patient.

In the fifth embodiment, the supply valve chamber 78, the medicine capturing portion 95, etc. are integrally formed in the pump holder 76, but the present invention is not limited to this, and each is formed as a separate body. You may do it.

Further, the male screw portion 73 of the capsule holder 74.
Although the drug dispenser main body 72 and the pump unit 97 are assembled by screwing the female screw portion 77 of the pump holder 76 with each other, the present invention is not limited to this.
An engaging portion is formed on the outer periphery of the lower end of the pump holder, and the opening 7
6B is formed with an engaged portion, and the engaged portion is engaged with the engaged portion, whereby the medicine dispenser main body 72 and the pump unit 9 are engaged.
7 may be detachable.

Further, the pump holder 76 has a pump portion 82.
Although the pump unit 97 is formed integrally with the pump unit 97, the opening 76B of the pump holder 76 is detachably attached to the outer periphery of the capsule holder 74 of the main body 72 of the medication dispenser.
The opening 82A may be fixed to the outer periphery of the drug spraying portion 84 of the medicine dispenser main body 72, and the pump holder 76 and the pump portion 82 may be separately attached to the medicine dispenser main body 72.

[0096]

As described above in detail, according to claim 1,
After accommodating the capsule in the capsule holding part, the pin of the hole punching tool is moved to the capsule side, and a through hole is opened at both ends in the axial direction of the capsule by the tip of the pin, and then from the pump part toward the capsule of the capsule holding part. Since air is supplied and the drug in the capsule is supplied together with air to the left and right nasal cavities of the patient from each drug passage of the drug spraying section through the spray port, the drug is supplied to the left and right nasal cavities of the patient. Can be administered simultaneously and uniformly, eliminating the hassle of separately administering to the left and right nasal cavities, improving the spraying efficiency, and simplifying the patient's dosing operation. , Capsules can be pierced, there is no risk of losing pins, and handling is safe.

According to the second aspect of the present invention, the capsule holder is securely fixed in the capsule holder by making the axial dimension of the capsule holder slightly smaller than the axial dimension of the capsule.
Since it can be accommodated and the capsule hole and the air inflow side and the air outflow side can be in close contact with each other, all the air from the pump section is communicated with the capsule at the time of administration, and the pump section is pressed about three times so that the drug in the capsule Can be almost sprayed.

According to the third aspect of the present invention, since the medicine catching portion is formed between the capsule holding portion and the pump portion, the medicine catching portion can catch the medicine falling into the pump portion at the time of making a hole. The drug can be supplied to the left and right nasal cavity of the patient together with the drug in the capsule through the capsule holding part and the drug spraying part by the air from the pump part at the time of administration, and the specified amount of drug can be administered to the patient. it can.

According to the fourth aspect of the present invention, the chemical spraying section is provided with the seal rubber that allows the pin of the hole punching tool to slide in a powder-tight manner with respect to each of the chemical passages. It is possible to prevent the air from flowing into the hole making tool side and prevent chemicals from mixing in the hole making tool side.

According to the fifth aspect of the present invention, since the capsule holding device is provided with the capsule discharging device which is displaced in the axial direction, the capsule discharging device is operated after the dispensing operation, so that the capsules which are out of the medicine can be removed. Can be easily removed from.

According to the sixth aspect of the present invention, by forming a linear portion in the chemical passage of the chemical spraying section and using this linear portion as an acceleration passage, the chemical passing through the acceleration passage has a rectifying property and a straight traveling property. Therefore, the nasal cavity of the patient can be sprayed in an accelerated state, and the absorption efficiency of the drug in the nasal cavity of the patient can be increased.

[Brief description of drawings]

FIG. 1 is a side view showing a nasal drug dispenser according to a first embodiment.

FIG. 2 is a longitudinal sectional view showing the nasal medication device according to the first embodiment.

3 is a cross-sectional view as seen from the direction of arrows III-III in FIG.

FIG. 4 is an exploded perspective view showing a state before the capsule is housed in the nasal cavity medicine dispenser.

FIG. 5 is a vertical cross-sectional view showing a state in which a capsule is housed in a nasal drug dispenser.

FIG. 6 is a vertical cross-sectional view showing a state in which a through hole is opened in the axial direction of the capsule by moving the pin of the hole making tool.

FIG. 7 is a vertical cross-sectional view showing a state in which the pin is returned to the original position after the through hole is made in the capsule by the pin of the hole making tool.

FIG. 8 is a vertical cross-sectional view showing a state in which the medicine in the capsule is sprayed by pressing the pump portion.

FIG. 9 is a side view showing a nasal drug dispenser according to a second embodiment of the present invention.

FIG. 10 is a vertical cross-sectional view showing a nasal drug dispenser according to a second embodiment.

11 is a cross-sectional view as seen from the direction of the arrows XI-XI in FIG.

FIG. 12 is a vertical cross-sectional view showing a state in which the capsule after the dispensing operation is housed in the capsule holding portion.

FIG. 13 is a vertical cross-sectional view showing a state in which a capsule is ejected from a capsule holder by a capsule ejector.

FIG. 14 is a vertical cross-sectional view of a nasal drug dispenser showing a third embodiment of the present invention.

FIG. 15 is a longitudinal sectional view of a nasal drug dispenser showing a fourth embodiment of the present invention.

FIG. 16 is a vertical cross-sectional view of a nasal drug dispenser showing a fifth embodiment of the present invention.

[Explanation of symbols]

1,71 Medication device for nasal cavity 2,41,51,74 Capsule holder (capsule holding part) 4 One side capsule hole 5,75 Capsule accommodation hole 9,81 Supply valve 11,82 Pump part 12,52,83 Suction valve 15 , 61, 84 Chemical spray part 18 Other side capsule hole 20, 87 Chemical passage 20B, 87B Straight passage part (acceleration passage) 21, 88 Spray port 25, 90 Drilling tool 27, 92 pin 29, 94 Seal rubber 30, 95 Chemical capture Part 43 Capsule discharging tool 72 Medication dispenser body 97 Pump unit K Capsule H Through hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazunori Ishizeki 1370 Onna, Atsugi, Kanagawa Pref. Within Unisia Jecs Co., Ltd. (72) Akira Yanagawa 5-3 Fujimigaoka, Tsuzuki-ku, Yokohama, Kanagawa

Claims (6)

[Claims] 1. A capsule holding part for holding a capsule filled with a powdery medicine inside, and a pump part provided in the capsule holding part for supplying air to the capsule of the capsule holding part. In order to spray the drug in the capsule toward the left and right nasal cavities of the patient by the air supplied from the pump part, the capsule holding part is branched into two drug passages, each of which has a separate tip. And a hole forming tool composed of a pin provided movably in the axial direction in the chemical spraying unit to make a through hole in the capsule in the capsule holding unit in the axial direction. A nasal drug dispenser. 2. The capsule holding portion is provided with a receiving hole for receiving the capsule in the axial direction, and the axial dimension of the receiving hole is slightly shorter than the axial dimension of the capsule. Nasal medication device. 3. A drug-capturing part is formed between the capsule-holding part and the pump part to catch a drug falling from the capsule when a through hole is made in the capsule by a pin of the hole punching tool. The nasal medication device according to claim 1. 4. The nasal drug dispenser according to claim 1, wherein the drug spraying section is provided with a seal rubber that allows the pin of the hole punching tool to slide in a powder-tight manner with respect to each drug channel. 5. The nasal drug dispenser according to claim 1, wherein the capsule holder is provided with a capsule discharging tool that is displaced in the axial direction. 6. A straight line portion is formed in the chemical passage of the chemical jet portion, and the straight line portion is configured as an acceleration passage.
The nasal medication device described.