WO1996024400A1 - Intranasal medicator - Google Patents
Intranasal medicator Download PDFInfo
- Publication number
- WO1996024400A1 WO1996024400A1 PCT/JP1996/000242 JP9600242W WO9624400A1 WO 1996024400 A1 WO1996024400 A1 WO 1996024400A1 JP 9600242 W JP9600242 W JP 9600242W WO 9624400 A1 WO9624400 A1 WO 9624400A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- capsule
- medicine
- section
- pump
- drug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/06—Inhaling appliances shaped like cigars, cigarettes or pipes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
- A61M15/003—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up using capsules, e.g. to be perforated or broken-up
- A61M15/0033—Details of the piercing or cutting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/08—Inhaling devices inserted into the nose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/06—Solids
- A61M2202/064—Powder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/07—General characteristics of the apparatus having air pumping means
- A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
- A61M2205/075—Bulb type
Definitions
- the present invention relates to a nasal dispenser suitable for use, for example, to administer a powdered drug into the nasal cavity of a patient.
- a method has been adopted in which a powdered drug is administered to a patient with mai allergy, asthma, etc. through a cavity for treatment. Also, in this treatment method, a powdery drug filled in a capsule is administered into the nasal cavity using a special device (nasal administration device).
- a pump portion is provided on the air inflow side of the cylindrical member, and a concave portion into which a capsule is inserted is formed on the air outflow side of the cylindrical member.
- the capsule housing portion is formed by fitting, and an air introduction passage is formed from the capsule housing portion to the pump portion.
- a valve mechanism is provided on the other side of the pump section, and the valve mechanism supplies air to the capsule housing section through the air introduction passage when the pump section is pressed, and air from outside when the pump section returns.
- Into the pump section there is provided a cap fitted to the cylindrical member and the distal end portion, a pin extending in the axial direction is provided in the cap, and the concave portion of the cylindrical member and the distal end portion having the opening are fitted. The capsule is pierced by fitting a cap in this state.
- a capsule filled with a powdery drug is inserted into a concave portion of a cylindrical member, and then a distal end portion is fitted.
- a distal end portion is fitted.
- the cap is removed from the cylindrical member, the tip is inserted into one of the patient's nasal cavities, and the pump is pressed, so that air from the pump passes through the air introduction passage.
- the drug is delivered to the patient by flowing into the capsule, transporting the drug in the capsule into the patient's nasal cavity through the opening, and alternately changing the insertion into the nasal cavity and repeating the operation. It has become.
- the nasal cavity is administered alternately to the left and right nasal cavities, so that a gap is provided between the capsule storage part and the capsule, and only one pressing operation of the pump part is performed.
- the medicine in the capsule is administered in about 4 times only in one nasal cavity, so that all the medicine in the capsule is not administered.
- the pump section is repeatedly pressed and the cylinder into the nasal cavity is repeatedly supplied so as to evenly supply the left and right nasal cavities.
- the introduction of components must be repeated, and the dispensing operation is troublesome.
- the powdered medicine in the capsule may fall into the pump section.
- the medicine in the capsule falls below the prescribed amount, and the patient is administered the prescribed amount of the necessary medicine.
- the drug and air may not mix well and may reach the patient's recruitment cavity, which may reduce medication efficiency. Disclosure of the invention
- 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 an administration device for a cavity that can administer a medicine by a simple administration operation.
- the nasal administration device of the present invention is provided in a capsule holding portion for holding a capsule filled with a powdered medicine therein, and provided in the capsule holding portion for supplying air to the capsule of the capsule holding portion.
- the capsule holding part is branched into two medicine passages.
- a chemical spraying section provided with a separate spray port at a tip thereof; and a pin movably provided in the chemical spraying section in the axial direction to make a through hole in a capsule in the capsule holding section in an axial direction.
- a drilling tool consisting of
- the pin of the piercing tool is moved to the capsule side, and a through hole is formed in the capsule by the tip of the pin.
- air is supplied from the pump section, and this air flows through the perforated through-hole through the capsule, and flows from the capsule together with the drug through the respective drug passages of the drug spraying section to the left and right.
- the spray is sent to the left and right nasal cavities of the patient. This allows the drug to be simultaneously administered to both the left and right nasal cavity of the patient.
- the capsule can be securely fixed and stored in the capsule receiving hole, and the capsule hole and the air inflow side And the air outflow side can be in close contact with each other, so that all the air from the pump section flows into the capsule at the time of administration, and the medicine can be ejected efficiently.
- the drug falling into the pump portion at the time of piercing can be captured by the drug capturing portion, and the captured drug is transferred from the pump portion at the time of administration.
- the air can be sent to the patient's left and right nasal cavities together with the medicine in the capsule via the capsule holding unit and the medicine spraying unit.
- a linear portion is formed in the chemical passage of the chemical spraying section, and this linear portion is used as an acceleration passage, so that the chemical passing through the acceleration passage has a rectifying property and a straight-forward property, and the chemical is accelerated. And can be squirted into the patient's nasal cavity.
- the air supplied from the pump unit at the time of administration and the drug are mixed well in the diffusion chamber, and the air mixed with this drug is mixed with each drug. It can be sent simultaneously to both the left and right cavities of the patient via the drug passage.
- the mixing degree of the chemical mixed into the air due to the collision of the air flow in the diffusion chamber can be made uniform.
- FIG. 1 is a side view showing a nasal administration device according to a first embodiment.
- FIG. 2 is a vertical cross-sectional view showing the cavity refilling device according to the first embodiment.
- FIG. 3 is a cross-sectional view as viewed from the direction indicated by arrows m-m in FIG.
- FIG. 4 is an exploded perspective view showing a state before accommodating a capsule in the cavity injection device.
- FIG. 5 is a longitudinal sectional view showing a state in which a capsule is accommodated in a nasal administration device.
- FIG. 6 is a longitudinal sectional view showing a state in which a through hole is made in the axial direction of the capsule by moving a pin of the hole making tool.
- FIG. 7 is a longitudinal cross-sectional view showing a state where the pin is returned to the original position after a through hole has been made in the capsule with the pin of the drilling tool.
- Fig. 8 shows a state in which the medicine in the capsule is sprayed by pressing the pump part.
- FIG. 9 is a side view showing a dispenser for a true cavity according to a second embodiment of the present invention.
- FIG. 10 is a longitudinal sectional view showing a nasal administration device according to a second embodiment.
- FIG. 11 is a cross-sectional view as viewed from the direction indicated by arrows XI—XI in FIG.
- FIG. 12 is a longitudinal sectional view showing a state in which the capsule has been housed in the capsule holding part after the administration operation.
- FIG. 13 is a longitudinal sectional view showing a state where the capsule has been discharged from the capsule holding unit by the capsule discharging tool.
- FIG. 14 is a longitudinal sectional view of a nasal administration device according to a third embodiment of the present invention.
- FIG. 15 is a longitudinal sectional view of a nasal administration device according to a fourth embodiment of the present invention.
- FIG. 16 is a longitudinal sectional view of a nasal administration device according to a fifth embodiment of the present invention.
- FIG. 17 is a longitudinal sectional view showing a state in which the medicine in the capsule is sprayed by pressing the pump section in the fifth embodiment.
- FIG. 18 is an enlarged longitudinal sectional view showing the diffusion chamber in FIG.
- FIG. 19 is an enlarged vertical sectional view of a diffusion chamber according to a sixth embodiment of the present invention.
- FIG. 20 is a longitudinal sectional view of a nasal administration device according to a seventh embodiment of the present invention.
- reference numeral 1 denotes a nasal dispensing device according to the present embodiment, which comprises a capsule holding portion for holding a capsule K together with a medicine spraying portion 15 described later, which is located at the center in the axial direction.
- a capsule holder 2 which is provided on the air inflow side of the capsule holder 2 and supplies air toward the capsule K of the capsule holder 2; and an air outflow side of the capsule holder 2 And a part thereof constitutes a capsule holding part together with the capsule holder 2 and a medicine spraying part 15 for spraying a medicine to the left and right nasal cavities of the patient; And a drilling tool 25 for drilling the force K stored in the capsule holder 2.
- the capsule holder 2 is integrated with the pump unit 11, and the capsule holder 2 is detachable from the medicine spraying unit 15.
- Numeral 2 denotes a capsule holder constituting a capsule holding portion.
- the capsule holder 2 is formed in a cylindrical shape with a small diameter by a resin material, and the other axial side (air outflow side) of the capsule holder 2 has an outer peripheral surface.
- a male screw portion 3 is formed, and a one-side capsule hole 4 is formed in the inner periphery of the inner surface.
- the one-side capsule hole 4 is formed on the other side capsule hole 1 of the chemical spray portion 15 described later.
- the capsule accommodation hole 5 is formed by integrating with the capsule 8.
- an air supply passage 6 for supplying air from the pump section 11, and a large-diameter supply passage communicating with the air supply passage 6.
- a valve chamber 7 and a small-diameter force inlet passage 8 that opens from the supply valve chamber 7 to the capsule hole 4 are formed, and a chemical supplement section 30 described later is formed in the supply valve chamber 7. It has been.
- Reference numeral 9 denotes a supply valve.
- the supply valve 9 includes a valve element 10 provided in the supply valve chamber 7, and the valve element 10 opens when air is supplied from the pump unit 11; At the time of suction, the seat is seated so as to close the air supply passage 6.
- Reference numeral 1 denotes a pump section provided on the air inlet side of the capsule holder 2, and the pump section is formed of a rubber material and has a bottom section 11A, a bottom section 11B, and a pressing section 11C on the peripheral surface.
- One side outer peripheral surface of the casing holder 2 is hermetically attached to an opening 11A of the cylindrical shape, and a suction valve 12 described later is attached to a center of the bottom 11B. .
- Reference numeral 12 denotes a suction valve.
- the suction valve 12 is formed at the bottom 11B of the pump portion 11 and opens and closes the suction passage 13 located at the center and the suction passage 13.
- the valve element 14 is closed when air is supplied from the pump section 11, is opened when suction is performed, and opens the valve into the pump section 11 from outside. Inhale.
- Reference numeral 15 denotes a chemical spray portion provided on the air outlet side of the capsule holder 2.
- the chemical spray 15 has a small-diameter portion 15 A having the same outer diameter as the capsule holder 2 on one side in the axial direction due to a resin material.
- the large-diameter portion 15B is formed into a columnar shape, and a pair of nasal cavity insertion portions 16 and 16 protrude from the large-diameter portion 15B. I have.
- the small-diameter portion 15A has a female thread portion 17 formed on the inner peripheral side thereof, which is screwed to the thread portion 3 of the capsule holder 2, and has an end face together with a one-side capsule hole 4.
- the other capsule hole 18 forming the capsule accommodation hole 5 is formed, and a capsule outlet side passage 19 communicating with the other capsule hole 18 is provided at the back of the other capsule hole 18.
- Independent spray ports 21 and 21 are located.
- the chemical passages 20 and 20 are branched from the capsule outflow passage 19 to the left and right, and are branched upward and branched to the branch passages 2 OA and 2 OA. It is composed of straight passage portions 20 B and 20 B which are acceleration passages extending toward the cavity entrance portions 16 and 16. And, since each of the straight passage portions 20 B is formed linearly and long, the straight passage portion 20 B has a rectifying property to the chemical flowing through the straight passage portion 20 B and an air flow from the pump portion 11. Can be given, and the medicine can be spouted vigorously from the spray port 21 in a state where the medicine is accelerated.
- a pair of radially positioned and axially extending holes 25 are provided at the radially intermediate portion of each of the chemical passages 20 extending in the chemical spraying section 15 in the axial direction.
- Drilling holes 22 with long holes 22A and 22A are formed.
- a pin insertion hole 23 through which a hole 27 described later passes, a pin insertion hole 23, and each of the chemical passages 20 are located in the vicinity of the capsule outflow passage 19 in the drilling tool mounting hole 22.
- a seal mounting step 24 for mounting a seal rubber 29 are formed coaxially with each other.
- the capsule hole 4 on one side and the capsule hole 18 on the other side are screwed. Cooperate with each other to form a capsule receiving hole 5.
- the axial dimension L0 of the capsule receiving hole 5 is made slightly shorter than the axial dimension LK of the capsule K, so that the capsule receiving hole 5 is formed. 5 is firmly fixed in the axial direction.
- Reference numeral 25 denotes a drilling tool provided in the drilling tool mounting hole 22 of the chemical spraying part 15, and the drilling tool 25 is formed in a radial direction from the disk part 26 A and the disk part 26 A.
- Sudden A pusher 26 (see FIG. 3) formed integrally with a pair of protruding portions 26 B, 26 B protruding and fitting into the elongated holes 22 A, 22 A, and a pusher 26 at the base end side.
- a pin 27 having a perforated portion 27 A which is fixed to the center of the disk portion 26 A and whose tip end extends toward one side in the axial direction to form a tilted force needle; and the pusher 26.
- a spring 28 provided in the drilling hole 22 so as to press the disk portion 26A of the busher 26 in the extending direction.
- the protruding portions 26 B, 26 B of the pusher 26 protrude axially into the long holes 22 A, 22 A of the drilling hole 22. Is out.
- the pin 27 at the front end is located in the seal rubber 29 while the pin 27 is inserted into the pin hole 23.
- the projecting portion 26B of the pusher 26 is displaced along the elongated hole 22A in the direction of arrow A in FIG. Can penetrate the capsule K in the capsule receiving hole 5 in the axial direction, and the through holes H 1 and H can be easily formed in the capsule K (see FIG. 6).
- Reference numeral 29 denotes a seal rubber attached to the seal attachment step 25 of the chemical spraying section 15.
- the seal rubber 29 is formed of an elastic material and surrounds the periphery of the perforated section 27 A of the pin 27.
- Reference numeral 30 denotes a medicine trapping portion formed in the supply valve chamber 7 of the capsule holder 2 so as to protrude in a small cylindrical shape facing the supply valve 9, and a capsule inflow passage in the diameter direction of the medicine trapping portion 30.
- a capture passage 31 that connects the supply valve chamber 7 to the supply valve chamber 7 is formed. Then, in the medicine capturing section 30, when the piercing section 27A of the pin 27 penetrates the capsule K at the time of drilling, the medicine falling to the supply valve 9 side is captured in the capturing passage 31. I have.
- the nasal administration device 1 has the force configured as described above.
- the operation when the capsule is pierced will be described with reference to FIGS.
- the capsule K is inserted into the capsule hole 4 on one side of the capsule holder 2, and the male thread 3 of the capsule holder 2 and the As shown in FIG. 5, the capsule part 17 is attached to the capsule holder 4, and the capsule K is inserted into the force busel receiving hole 5 formed from the capsule hole 4 on one side of the capsule holder 2 and the other side pusher hole 18 on the chemical spraying part 15.
- the capsule K is inserted into the force busel receiving hole 5 formed from the capsule hole 4 on one side of the capsule holder 2 and the other side pusher hole 18 on the chemical spraying part 15.
- each protrusion 26 B of the pusher 26 constituting the drilling tool 25 is displaced by hand toward the lower side (the direction indicated by the arrow A in FIG. 4), so that the pin 2 7
- the perforated portion 27A of the capsule K passes through the capsule outlet side passage 19 from the axial direction of the capsule K, and forms through holes H 1 and H on both axial sides of the capsule K.
- the drug ⁇ in the capsule K is formed by the perforated portion 27 A of the pin 27.
- the busher 26 is automatically returned by the spring 28, and as shown in FIG. 7, the through-holes ⁇ , ⁇ are formed on both sides of the capsule ⁇ in the axial direction, and the capsule outflow passage 19 is formed.
- Each of the chemical passages 20 can be communicated.
- the perforated portion 20 # of the pin 27 is kept powder-tight by the seal rubber 29. Further, as described above, the medicine falling from the capsule K generated when drilling with the pin 27 is trapped by the medicine trapping section 30 to prevent the medicine from dropping to the supply valve 9 and the pump section 11 side. I have.
- the through holes H 1 and H can be easily drilled by the drilling tool 25 in the axial direction of the force vessel K, and the drug capturing unit 3 By 0, chemicals falling during drilling can be captured.
- the left and right nasal cavity insertion sections 16 of the chemical spray section 15 are inserted into the left and right nasal cavities of the patient, respectively, and as shown in FIG. 8, the pressing section 11 C of the pump section 11 is indicated by an arrow.
- the valve element 10 of the supply valve 9 opens, and air is supplied from the pump section 11 to the capsule K in the capsule holder 2.
- the air from the pump section 11 flows from the capsule K to the patient's cavity through the respective drug passages 20 and the left and right spray ports 21.
- the medicine in the capsule K is stirred by the air flowing into the capsule K, The drug is delivered to the patient's nasal cavity with the air.
- the medicine spraying section 15 is formed with medicine passages 20 and 20 branching the capsule outflow passage 19 into two, and the distal end of each of the medicine passages 20 and 20 has a left end and a left end of the patient, respectively. Since the nasal cavity insertion part 16, 16 (spray port 21, 21) to be inserted into the right nasal cavity is formed, the medicine to be sent together with air is evenly divided in each medicine passage 20. It can be administered simultaneously to the left and right nasal cavity of the patient.
- a straight passage portion 20B is formed in each of the medicine passages 20, the medicine is rectified while passing through each of the straight passage portions 20B, and the medicine is given a straight-forward property to be straightened. Can be squirted into the patient's cavity in an accelerated manner.
- the axial dimension L 0 of the capsule housing hole 5 is formed to be slightly shorter than the axial dimension L of the capsule K, thereby preventing rattling in the housing hole 5 of the capsule K.
- the through hole H on the flow side of the capsule K and the capsule inflow passage 8 and the through hole H on the outflow side of the capsule K and the capsule outflow passage 19 are brought into close contact with each other, so that air from the pump section 11 is All of them can flow into the capsule K, and the chemical can be guided from the through hole H of the capsule K to the outlet passage 19, so that the spray amount of the chemical ejected from each spray port 21 is stabilized, and three times
- the pump unit 11 By pressing the pump unit 11 to the extent, most of the medicine in the capsule K can be administered to the left and right cavities of the patient. As a result, it is possible to eliminate the hassle when the patient administers the medication.
- the medicine trapped in the trapping passage 31 of the medicine trapping part 30 at the time of drilling is sent out by the air while spraying the air and the medicine, and together with the medicine in the capsule K, the patient's left and right. Can be supplied to the nasal cavity.
- the medicine spraying section 15 has two medicine passages 20 and 20 separated from the capsule outflow passage 19 and inserted into the left and right nasal cavities of the patient.
- the nasal cavity insertion portions 16, 16 are formed, and the axial dimension L 0 of the capsule receiving hole 5 is made slightly shorter than the axial dimension L of the capsule K.
- the capsule K is firmly fixed, and the through hole H on the inflow side of the capsule K and the inflow passage 8 on the force capsule, and the through hole H on the outflow side of the capsule K and the passage 19 on the capsule outflow side are tightly connected. All the air from the pump section 11 can flow into the capsule K, and the medicine can be guided from the through hole H of the capsule K to the inflow-side passageway 19, so that a small amount of medicine is required at the time of medication, and the medicine enters the patient's nasal cavity. Can be administered almost uniformly.
- a drug injector is inserted into each nasal cavity of one of the patients, and the pump unit 11 is pressed about three times without repeatedly and repeatedly administering the left and right nasal cavities many times. By operating, the medicine can be dispensed to the patient, and the dispensing operation can be simplified.
- the drilling tool 25 is built into the chemical spraying section 15, after the capsule K is housed in the capsule housing hole 5, the pusher 26 is displaced in the axial direction only, Through holes H, H can be easily formed in the axial direction. Furthermore, since the drilling tool 25 is built into the chemical spraying section 15, there is no risk of loss compared to the prior art in which a cap is provided with a pin, and handling is safe.
- a medicine trapping part 30 is formed, and the medicine that drops when the capsule K is drilled is trapped in the trapping passage 31 of the medicine trapping part 30, and the trapped medicine is together with air. Therefore, the amount of medicine remaining in the nasal administration device 1 can be almost eliminated, and the medicine filled in the capsule K can be reliably administered to the patient. In addition, the number of times the nasal dispenser 1 needs to be cleaned can be significantly reduced as compared with the conventional technique.
- a seal rubber 29 formed of an elastic material is provided on the seal mounting step 24 of the chemical spraying section 15, and the seal rubber 29 surrounds the periphery of the perforated section 27 A of the pin 27.
- Each of the chemical passages 20 and the drilling hole 2 can be separated in a powder-tight manner, and the air flowing through each of the chemical passages 20 can be separated. It is possible to prevent the inside chemical from penetrating into the piercing tool mounting hole 22.
- the straight passage portion 20B formed in the medicine passage 20 gives the medicine a rectifying property and a straight traveling property. In a state where the medicine is accelerated, the medicine is vigorously directed toward the nasal cavity of the patient from each spray port 21. Can squirt. Then, the drug can be dispensed at a predetermined position in the nasal cavity of the patient for each dispensing operation, and the efficiency of absorption of the drug in the nasal cavity of the patient can be increased.
- FIGS. 9 to 13 show a second embodiment.
- the feature of this embodiment is that a capsule ejector is provided in the capsule holding section.
- the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- 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.
- the capsule holder 41 is configured substantially in the same manner as the capsule holder 2, In the radial direction of the one-side capsule hole 4, slide holes 42, 42 extending in the axial direction are formed.
- Reference numeral 43 denotes a capsule ejector.
- the capsule ejector 43 has substantially the same size as the cross section of the capsule K, and an insertion hole 4 4 through which a hole 27 A of the pin 27 passes through the center.
- a disk part 44 having A, beam parts 45, 45 extending in the diameter direction of the disk part 44, and a cylindrical part holding the disk part 44 by each of the beam parts 45.
- the respective beam portions 45 are inserted into the respective slide holes 42 so as to be movable in the axial direction.
- FIGS. 12 and 13 show and explain the operation of the capsule ejector.
- Fig. 12 shows a state in which the medicine spraying part 15 has been removed from the capsule holder 41 after the administration of the medicine has been completed, and only the empty capsule K is accommodated in the capsule hole 4 on one side.
- the disk portion 44 of the capsule ejector 43 is in contact with the lower side of the capsule K.
- the capsule K is naturally separated from the one-side capsule hole 4 as shown in FIG. Can be easily disposed of.
- FIG. 14 shows a third embodiment.
- the feature of this embodiment is that a supply valve 9 and a suction valve 52 are provided between the capsule holder 51 and the pump unit 11. is there.
- the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- reference numeral 51 denotes a capsule holder used in the present embodiment instead of the capsule holder 2 according to the first embodiment.
- the capsule holder 51 is provided with a supply valve 9 at an intermediate portion in the axial direction,
- a suction valve 52 is provided on one side in the direction, and a one-side capsule hole 4 is provided on the other side in the axial direction.
- the supply valve 9 has an air supply passage 6 on one axial side of the valve body 10 and a supply valve chamber 7 and a capsule flow-side passage 8 on the other axial side on the other axial side.
- the suction valve 52 has a valve body 53 provided in the suction valve chamber 54, and its-side opens and closes the pump-side air supply passage 55, and the other side protrudes into the suction valve chamber 54.
- a communication path 57 that opens and closes the valve seat 56 and constantly communicates the suction valve chamber 54 with the atmosphere is provided in the capsule holder 51, and when the valve element 53 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 53 A, 53 A,... Communicating the suction valve chamber 54 and the pump-side air supply passage 55. .
- the suction valve 52 when the air is supplied to the pump section 11, the suction valve 52 is configured such that the valve element 53 is seated on the valve seat 56, closes the communication passage 57, and the small diameter formed in the valve element 53. Air is supplied from the pump section 11 to the supply valve 9 through the capsule inlet side passage 8 through the passages 53 A, 53 A,. On the other hand, when the pump section 11 is sucked, the valve element 53 moves to the pump section 11 side, and the air enters the pump section 11 through the communication path 57 and the small diameter passage 53 A of the valve element 53. Inhale. At this time, since the supply valve 9 is closed, no air is sucked from the capsule holder 51 into the pump section 11.
- the first The same operation and effect as those of the embodiment can be obtained, and it is not necessary to provide a suction valve in the pump section 11, and the configuration of the pump section 11 can be simplified.
- FIG. 15 shows a fourth embodiment.
- the feature of this embodiment is that the nasal cavity between the nasal passages of the patient is located between the nasal passages 16 and 16 of the chemical spraying unit 61. That is, the contact portion 62 that forms an arc surface is formed.
- the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- FIG. 16 shows a fifth embodiment according to the present invention, in which a diffusion chamber 63 is provided in the middle of a capsule outflow passage 19. That is, the diffusion chamber 63 has a larger diameter than the force cell outlet side passage 19, and when air is supplied, the air and the chemical are mixed well by the air flow in the diffusion chamber 63, and the degree of mixing is reduced. Average.
- the inlet hole 63A and the outlet hole 63B have the same diameter as the capsule outlet passage 19, so that the diameter of each of the inlet holes 63A and the outlet hole 63B is reduced smoothly from the center of the diffusion chamber 63. I have.
- the left and right nasal cavity insertion sections 16 of the medicine spraying section 15 are recruited to the left and right of the patient.
- the valve element 10 of the supply valve 9 opens and the pump part 11 is directed toward the capsule holder 2 from the pump part 11. Supply air.
- the air from the pump section 11 flows from inside the capsule K to the true cavity of the patient via the capsule outlet side passage 19, the diffusion chamber 63, each chemical passage 20, and each spray port 21.
- the medicine in the capsule K is stirred by the air flowing into the capsule K, and the medicine is sent to the patient's nasal cavity together with the air.
- the air flowing out of the capsule K together with the chemical flows into the large-diameter diffusion chamber 63, where the air flows between the capsule outlet passage 19 and the diffusion chamber 63. Due to the difference in the directional dimension, the air flow collides in the diffusion chamber 63 to make the mixing degree of the chemical and the air uniform. Then, the air in which the chemicals are uniformly mixed flows into each chemical passage 20 through the outflow holes 22B.
- the medicine spraying section 15 is formed with medicine passages 20 and 20 for branching the capsule outflow passage 19 into two, and the left and right sides of the patient are provided at the tips of the medicine passages 20 and 20.
- Nasal cavity insertion part 16, 16 inserted into the nasal cavity of the patient since the spray ports 21, 21 are formed, the medicine sent together with air from the diffusion chamber 63 is evenly distributed in each medicine passage 20. Then, it can be simultaneously administered to the left and right nasal cavities of the patient.
- the sixth embodiment is shown in Fig. 19, and the feature of this embodiment is that the diffusion chamber of the chemical spray unit 15 This is because the outflow hole portion 6 3 B of 63 is formed to have a smaller diameter than the inflow hole portion 63 A.
- the same components as those in the first embodiment described above have the same reference numerals. And a description thereof will be omitted.
- the diffusion can be achieved by reducing the diameter of the inflow hole 63B.
- the streets of the air flow in the room 63 are made more intense, so that the air and the medicine can be more reliably mixed and the degree of mixing can be made uniform.
- the patient's respiratory cavity is brought into contact with the medicine / spraying part 15 in the control cavity introduction part 16, 16.
- the medicine / spraying part 15 in the control cavity introduction part 16, 16.
- FIG. 20 shows a seventh embodiment according to the present invention.
- the feature of the present embodiment is that a capsule containing section and a chemical spraying section are integrally formed, and a capsule is contained in the capsule containing section.
- a pump section is assembled to the capsule housing section.
- the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof is omitted.
- reference numeral 71 denotes a true cavity dispenser according to the present embodiment
- the arithmetic cavity dispenser 71 is a dispenser main body 7 2 integrally formed with a capsule holder 741, which will be described later, and a chemical spraying section 84.
- Reference numeral 72 denotes a dispenser main body.
- the dispenser main body 72 is formed in a cylindrical shape by a resin material, and one side in the axial direction (air inflow side) of the dispenser main body 72 is a small-diameter portion 72A.
- a male screw portion 73 to which a female screw portion 77 of a pump holder 76 described later is screwed is formed, and the small diameter portion 72A is a capsule holder 74.
- the other side in the axial direction (air outflow side) is a large diameter portion 72B, and the large diameter portion 72B is a chemical spraying portion 84.
- Numeral 74 denotes a capsule holder which is formed on the small diameter portion 72A of the dispenser main body 72 and constitutes a capsule holding portion.
- the capsule holder 74 is formed in a small diameter cylindrical shape, and has an end face inside.
- a capsule receiving hole 75 is formed to open toward the inside. After the capsule K is inserted into the capsule receiving hole 75, a capsule holding projection 76E of a pump holder 76 described later is inserted. The capsule K is held in the capsule receiving hole 75.
- Reference numeral 76 denotes a pump holder for holding the capsule K in the capsule receiving hole 75, and the pump holder 76 is formed into a bottomed cylindrical shape from the cylindrical portion 76A, the opening portion 76B and the bottom portion 76C.
- a capsule holding projection 76E for holding the capsule K by being inserted into the hole 75 is formed.
- a thread portion 77 which is screwed to the external thread portion 73, is engraved, and between the bottom portion 76C and the partition wall portion 76D.
- a supply valve chamber 78 is defined at the bottom, and an air supply passage 79 for supplying air from a pump unit 82 described later is formed at the bottom 76C.
- a small-diameter capsule inlet side passage 80 communicating with the supply valve chamber 78 is formed from the partition wall portion 76 to the capsule holding protrusion 76 E, and a chemical agent described later is formed in the partition wall portion 76D.
- a capturing portion 95 is formed.
- Reference numeral 81 denotes a supply valve located in the supply valve chamber 78 of the pump holder 76 and provided in the air supply passage 79 so as to be openable and closable.
- the supply valve 81 is supplied with air from the pump section 82.
- the air supply passage 79 is closed when the valve is opened, and is seated during the suction to close the air supply passage 79.
- the pump portion 82 is formed of a rubber material into an oval shape having an opening 82A, a bottom portion 82B, and a pressing portion 82C on its peripheral surface.
- 2 A is the opening of the pump holder 76 by welding, bonding, etc.
- a suction valve 83 which will be described later, is attached to the center of the bottom portion 82B.
- Reference numeral 83 denotes a suction valve.
- the suction valve 83 is formed at the bottom portion 82B of the pump portion 82, closes when air is supplied from the pump portion 82, opens when suction is performed, and opens from the outside. Air is sucked into the pump 82.
- Reference numeral 84 denotes a medicine spraying portion formed on the large diameter portion 72B of the dispenser main body 72.
- the drug spraying portion 84 is formed in a large-diameter cylindrical shape, and is provided on an end face of the large diameter portion 72B. Has a pair of nasal cavity insertion portions 85, 85 protrudingly formed.
- a capsule outflow passage 86 communicating with the capsule receiving hole 75 of the capsule holder 74 and a left and right branch from the capsule outflow passage 86 extend in a substantially U-shape.
- One of the medicine passages 87 and 87 is formed, and the tip side of each of the medicine passages 87 is located in the nasal cavity insertion portion 85 to be independent spray ports 88 and 88.
- the chemical passages 8 7, 87 7 are branched passage portions 8 7 A, 87 A which branch left and right from the capsule outflow passage 86 and are curved upward, and the respective branch passage portions 8 7 It is composed of straight passage portions 87B, 87B that become acceleration passages extending from A to the nasal cavity insertion portions 85, 85. And, since each of the straight passage portions 87 B is formed linearly and long, the chemical passing through the straight passage portion 87 B is rectified and straightened by the air flow from the pump portion 82. Can be given, and the medicine can be spouted vigorously from the spray port 8 in a state where the medicine is accelerated.
- Reference numeral 89 denotes a diffusion chamber provided in the chemical spraying section 84 located in the middle of the capsule outlet passage 86, and the diffusion chamber 89 is formed so as to have a diameter larger than that of the capsule outlet passage 86.
- the diffusion chamber 89 is formed, and the air flow collides in the diffusion chamber 89 due to the difference in the dimension of the capsule from the capsule outlet side passage 86 in the strange direction. Is what you do.
- Reference numeral 90 denotes a drilling tool provided in the chemical spraying section 84 in the axial direction.
- the drilling tool 90 is similar to the drilling tool 25 described in the first embodiment.
- a pin 92 having a perforated portion 92 a fixed to a central portion of the pusher 91 and having a distal end extending toward one side in the axial direction to form an inclined power needle;
- the spring is substantially constituted by a spring 93 for urging the busher 91 in the extending direction.
- Reference numeral 94 denotes a seal rubber.
- the seal rubber 94 is formed of an elastic material and surrounds the periphery of the pin 92 so as to be powder-tight with respect to the medicine flowing through the capsule outlet passage 86 and the respective chemical passages 87. And it is slidable with respect to the pin 92.
- reference numeral 95 denotes a chemical trapping portion provided on the partition wall portion 76D of the pump holder 76 so as to protrude from the supply valve chamber 78 so as to be coaxial with the capsule holding projection 76E and opposed to the supply valve 81.
- a trap passage 96 is formed for communicating the capsule inlet passage 80 with the supply valve chamber 78. Then, the chemical trapping section 95 captures the chemical that falls to the supply valve 81 side when the perforated section 92 of the pin 92 penetrates the force capsule K at the time of drilling in the trapping passage 96. I have.
- the pump holder 76 and the pump section 82 are integrated by fixing the opening 76B and the opening 82A, and together with the supply valve 81 and the suction valve 83, constitute a pump unit 97.
- the whole pump unit 97 is detachable from the capsule holder 74 of the dispenser main body 72.
- the nasal administration device 71 is configured as described above. Next, the insertion of the capsule K which is a preparation operation for administration will be described.
- the nasal administration device 7 1 has a capsule holder 7 4 and a medicine spraying portion 84, which are formed on the body, a dispenser body 7 2 formed on the body, a pump holder 76, a pump portion 82, etc. are formed on the body. Separate into pump units 97.
- the capsule holding projection 76E is inserted into the capsule receiving hole 75 so that the dispenser main body 72 can be inserted.
- the screw part 73 is formed on the pump holder 76 of the pump unit 97 and screwed together with the screw part 77.
- the capsule K can be held in the capsule receiving hole 75 together with the capsule pressing projection 76E in the axial direction.
- the pin 92 of the hole Through holes H, H are formed in the capsule K by the holes 92A.
- the chemical trapping part 95 prevents the chemical from dropping into the pump part 82.
- the medicine in the capsule K can be delivered to the patient's nasal cavity by the air generated from the pump section 82.
- the true cavity dispenser 1 includes a dispenser main body 72 in which the capsule holder 74 and the chemical spraying section 84 are integrally formed, a pump holder 76, a pump section 82, and the like. Since the pump unit 97 is detachable, and the capsule holder 74 of the dispenser main body 72 is accommodated in the pump unit 97 (pump section 82), the nasal dispenser 7 is provided.
- the axial dimension of (1) can be reliably shortened as compared with the nasal administration device according to the other embodiment, and the portable device can be easily carried by reducing the size.
- the medicine is rectified while passing through each of the straight passage portions 87B.
- the medicine can be squirted toward the patient's nasal cavity in a state where the medicine is accelerated by being given straightness.
- the supply valve chamber 78 and the chemical trap 95 are integrally formed with the pump holder 76.
- the present invention is not limited to this. You may make it.
- the dispenser main body 72 and the pump unit 97 are assembled by screwing the male thread 73 of the capsule holder 74 and the female thread 77 of the pump holder 76.
- the present invention is not limited to this.
- An engaging portion is formed at the outer periphery of the lower end of the chemical spraying portion 84, an engaged portion is formed at the opening 76B of the pump holder, and the engaged portion is engaged with the engaging portion.
- the dispenser main body 72 and the pump unit 97 may be made detachable by combining them.
- the pump holder 76 is formed integrally with the pump section 82 to form the pump unit 97, but the opening 76B of the pump holder 76 is formed around the capsule holder 74 of the dispenser main body 72. Attach it detachably, and fix the opening 82 of pump part 82 to the outer periphery of the medicine spraying part 84 of the dispenser main body 72.
- the damper 76 and the pump portion 82 may be separately attached to the dispenser main body 72.
- the nasal administration device according to the present invention can be applied to a device in which a drug such as fine granules or the like filled in the capsule is sucked by breaking the capsule, in addition to the powder.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medicinal Preparation (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/687,432 US5901703A (en) | 1995-02-06 | 1995-02-06 | Medicine administering device for nasal cavities |
| CN96190077A CN1146729A (zh) | 1995-02-06 | 1996-02-06 | 鼻腔给药装置 |
| DE69637459T DE69637459T2 (de) | 1995-02-06 | 1996-02-06 | Intranasaler Medikator |
| EP96901547A EP0753319B1 (en) | 1995-02-06 | 1996-02-06 | Intranasal medicator |
| KR1019960705219A KR100187737B1 (ko) | 1995-02-06 | 1996-02-06 | 비강용 투약기 |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4230695 | 1995-02-06 | ||
| JP7/42309 | 1995-02-06 | ||
| JP04230995A JP3308419B2 (ja) | 1995-02-06 | 1995-02-06 | 鼻腔用投薬器 |
| JP7/42306 | 1995-02-06 | ||
| JP7/111252 | 1995-04-12 | ||
| JP11125295A JP3273712B2 (ja) | 1995-02-06 | 1995-04-12 | 鼻腔用投薬器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1996024400A1 true WO1996024400A1 (en) | 1996-08-15 |
Family
ID=27291156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1996/000242 Ceased WO1996024400A1 (en) | 1995-02-06 | 1996-02-06 | Intranasal medicator |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5901703A (ja) |
| EP (1) | EP0753319B1 (ja) |
| KR (1) | KR100187737B1 (ja) |
| CN (1) | CN1146729A (ja) |
| DE (1) | DE69637459T2 (ja) |
| WO (1) | WO1996024400A1 (ja) |
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| EP0005585B1 (en) * | 1978-05-03 | 1981-08-12 | FISONS plc | Inhalation device |
| DE3345722A1 (de) * | 1983-12-17 | 1985-06-27 | Boehringer Ingelheim KG, 6507 Ingelheim | Inhalator |
| IT1222509B (it) * | 1987-08-17 | 1990-09-05 | Miat Spa | Insufflatore per la somministrazione di farmaci sotto forma di polvere predosata in opercoli |
| IT1228459B (it) * | 1989-02-23 | 1991-06-19 | Phidea S R L | Inalatore con svuotamento regolare e completo della capsula. |
| JPH033998A (ja) * | 1989-05-31 | 1991-01-10 | Kanichi Mitsunaka | 多目的扇風機 |
| DE3927170A1 (de) * | 1989-08-17 | 1991-02-21 | Boehringer Ingelheim Kg | Inhalator |
| IT1240750B (it) * | 1990-04-12 | 1993-12-17 | Chiesi Farma Spa | Dispositivo per la somministrazione di sostanze medicamentose in polvere |
| AU650953B2 (en) * | 1991-03-21 | 1994-07-07 | Novartis Ag | Inhaler |
| DK103191D0 (da) * | 1991-05-31 | 1991-05-31 | Novo Nordisk As | Nasaldispenser |
| JP3388896B2 (ja) * | 1994-08-08 | 2003-03-24 | 株式会社日立ユニシアオートモティブ | 吸入式投薬器 |
| JP3320261B2 (ja) * | 1995-06-01 | 2002-09-03 | 株式会社ユニシアジェックス | 吸入式投薬器 |
-
1995
- 1995-02-06 US US08/687,432 patent/US5901703A/en not_active Expired - Lifetime
-
1996
- 1996-02-06 CN CN96190077A patent/CN1146729A/zh active Pending
- 1996-02-06 EP EP96901547A patent/EP0753319B1/en not_active Expired - Lifetime
- 1996-02-06 KR KR1019960705219A patent/KR100187737B1/ko not_active Expired - Fee Related
- 1996-02-06 DE DE69637459T patent/DE69637459T2/de not_active Expired - Lifetime
- 1996-02-06 WO PCT/JP1996/000242 patent/WO1996024400A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5934267A (ja) * | 1982-08-23 | 1984-02-24 | 帝人株式会社 | 粉状薬剤施薬装置 |
| JPH0184655U (ja) * | 1987-11-30 | 1989-06-06 | ||
| JP3003998U (ja) * | 1994-05-09 | 1994-11-01 | 公偉 川上 | 臭覚補助具 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0753319A4 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105054979A (zh) * | 2015-08-29 | 2015-11-18 | 江阴迪林生物电子技术有限公司 | 一种电动鼻腔采样给药器 |
| US11744967B2 (en) * | 2017-09-26 | 2023-09-05 | Shin Nippon Biomedical Laboratories, Ltd. | Intranasal delivery devices |
| US12102754B2 (en) | 2017-09-26 | 2024-10-01 | Shin Nippon Biomedical Laboratories, Ltd. | Intranasal delivery devices |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100187737B1 (ko) | 1999-06-01 |
| EP0753319A4 (en) | 1999-11-17 |
| DE69637459T2 (de) | 2009-03-05 |
| EP0753319A1 (en) | 1997-01-15 |
| KR970701572A (ko) | 1997-04-12 |
| CN1146729A (zh) | 1997-04-02 |
| DE69637459D1 (de) | 2008-04-24 |
| EP0753319B1 (en) | 2008-03-12 |
| US5901703A (en) | 1999-05-11 |
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