DE2435186A1 - APPLICATION DEVICE FOR POWDERED DRUGS - Google Patents
APPLICATION DEVICE FOR POWDERED DRUGSInfo
- Publication number
- DE2435186A1 DE2435186A1 DE2435186A DE2435186A DE2435186A1 DE 2435186 A1 DE2435186 A1 DE 2435186A1 DE 2435186 A DE2435186 A DE 2435186A DE 2435186 A DE2435186 A DE 2435186A DE 2435186 A1 DE2435186 A1 DE 2435186A1
- Authority
- DE
- Germany
- Prior art keywords
- pipeline
- capsule
- chamber
- application device
- valve
- 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.)
- Pending
Links
- 239000003814 drug Substances 0.000 title claims description 24
- 229940079593 drug Drugs 0.000 title claims description 13
- 239000002775 capsule Substances 0.000 claims description 27
- 239000003708 ampul Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 208000006673 asthma Diseases 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
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
- A61M15/0028—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
-
- 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
- A61M15/0001—Details of inhalators; Constructional features thereof
- A61M15/0021—Mouthpieces therefor
- A61M15/0025—Mouthpieces therefor with caps
-
- 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
- A61M15/0091—Inhalators mechanically breath-triggered
-
- 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
- A61M15/0091—Inhalators mechanically breath-triggered
- A61M15/0095—Preventing manual activation in absence of inhalation
-
- 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
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)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medicinal Preparation (AREA)
Description
POSTFACH 860820PO Box 860820
MÖHLSTRASSE 22, RUFNUMMER 98 39 21/22MÖHLSTRASSE 22, CALL NUMBER 98 39 21/22
BESPAK INDUSTRIES LIMITED
Fieldings Road, Cheshunt,
Waltham Cross, Hertfordshire,
EN8 9TX, E η .g 1 a η dBESPAK INDUSTRIES LIMITED
Fieldings Road, Cheshunt,
Waltham Cross, Hertfordshire,
EN8 9TX, E η .g 1 a η d
Applikationsvorrichtung für pulverförmig^ MedikamenteApplication device for powdery drugs
Die Erfindung bezieht sich auf eine Applikationsvorrichtung für pulverförmige Medikamente; sie ist insbesondere von Nutzen bei der Abgabe von pulverförmigen Medikamenten für die Linderung von Atmungs-Beschwerden, wie Asthma.The invention relates to an application device for powdered medicaments; she is in particular of Benefit from the delivery of powdered medication for the relief of respiratory ailments such as asthma.
Vorrichtungen der vorstehend bekannten Art sind bereits bekannt (siehe z.B.. GB-PS 898 649). Bei diesen bekannten Vorrichtungen wird ein pulverförmiges Medikament in einen Druckluftstrom eingeführt, wobei ein Ventil geöffnet wird, um -dem Luftstrom und dem Medikament zu ermöglichen, aus der Vorrichtung auszutreten, wenn ein Benutzer durch ein Mundstück eine Inhalation vornimmt.Devices of the type known above are already known (see e.g. GB-PS 898 649). In these known devices, a powdered drug is in a A flow of compressed air is introduced, opening a valve to allow the flow of air and medication out of the Device leak when a user inhales through a mouthpiece.
409886/1074409886/1074
Der Erfindung liegt die Aufgabe zu Grunde, eine verbesserte Vorrichtung der genannten Art zu schaffen.The invention is based on the object of creating an improved device of the type mentioned.
Gelöst wird die vorstehend aufgezeigte Aufgabe bei einer Applikationsvorrichtung für pulverförmige Medikamente, umfassend ein Gehäuse mit einer Kammer für die Aufnahme einer Kapsel, die eine Dosis des zu verteilenden Medikaments enthält, mit einer in dem Gehäuse vorgesehenen Rohrleitung, deren eines Ende zur Atmosphäre hin offen ist und deren anderes Ende auslaßseitig mit einem Mundstück für die Einführung in den Mund eines Benutzers ""verbunden ist, mit einem die Kammer mit der Rohrleitung verbindenden Durchgang, mit einer manuell betätigbaren Pumpeneinrichtung für die Abgabe von Druckluft in die Kammer, mit einem in der Rohrleitung angeordneten Strömungsfühler, mit einer den Eintritt von Druckluft und des Medikaments in die Rohrleitung verhindernden Ventileinrichtung und mit einer Betätigungseinrichtung zur Betätigung der Ventileinrichtung in der Weise, daß der Eintritt von Luft und des Medikaments in die Rohrleitung in dem Fall ermöglicht sind, daß der Strömungsfühler das Inhalieren eines Benutzers durch die Rohrleitung feststellt^ erfindungsgemäß dadurch, daß die Ventileinrichtung zwischen der Pumpeneinrichtung und der Kammer angeordnet ist und daß die Kapsel und die Kammer derart angeordnet und bemessen sind, daß die gesamte von der Pumpeneinriciitung abgegebene Luft durch die Kapsel in dem Fall hindurchströmt, daß die Ventileinrichtung geöffnet ist«The object indicated above is achieved with an application device for powdered medicaments, comprising a housing with a chamber for receiving a capsule containing a dose of the medication to be dispensed, with a pipeline provided in the housing, one end of which is open to the atmosphere and of which the other end is connected on the outlet side to a mouthpiece for introduction into the mouth of a user "", with a the passage connecting the chamber with the pipeline, with a manually operated pump device for the delivery of compressed air into the chamber, with a flow sensor arranged in the pipeline, with an inlet of Compressed air and the medicament in the pipeline preventing valve device and with an actuating device for actuating the valve device in such a way that the entry of air and the medicament into the pipeline in the event that the flow sensor detects the inhalation of a user through the pipeline ^ according to the invention in that the valve device is arranged between the pump device and the chamber and that the capsule and chamber are arranged and sized to accommodate all of the output from the pump assembly Air flows through the capsule in the event that the valve device is open "
Ein Vorteil dieser Anordnung liegt darin, daß ein sehr hoher Anteil des in der Kapsel enthaltenen Medikaments dem Benutzer während einer Betätigung der Vorrichtung zugeführt wird»An advantage of this arrangement is that a very high proportion of the medicament contained in the capsule is available to the user is supplied during an actuation of the device »
409886/1074409886/1074
Gemäß einer "bevorzugten Ausführungsform enthält der Strömungsfühler einen in der Rohrleitung zur Ausführung einer Schwenkbewegung angeordneten Flügel, und die Ventil-$ einrichtung ist an einem Hebel angebracht, der an dem Flügel fest angeordnet ist.According to a "preferred embodiment, the Flow sensor a wing arranged in the pipeline to execute a pivoting movement, and the valve $ device is attached to a lever which is fixedly arranged on the wing.
In diesem Fall kann der Flügel sich um ein Gelenk zwischen dem Hebel und der Rohrleitung schwenken, und das Gelenk kann neben der Ventileinrichtung vorgesehen sein.In this case, the wing can pivot about a hinge between the lever and the pipeline, and the hinge can be provided next to the valve device.
Darüber hinaus kann die Ventileinrichtung federbelastet in der geschlossenen Stellung geführt sein.In addition, the valve device can be guided in the closed position in a spring-loaded manner.
Ein Vorteil dieser bevorzugten Anordnung liegt darin, daß der Benutzer die Medikamentendosis an der richtigen Stelle innerhalb des EinatmungsZyklus erhält und daß dies sicherstellt, daß das inhalierte Arzneimittel höchst wirksam ausgenutzt wird.An advantage of this preferred arrangement is that the user has the drug dose in the correct location within of the inhalation cycle and that this ensures that the inhaled drug is used most effectively.
Vorzugsweise vermag die Kammer eine das Medikament enthaltende verschlossene Kapsel aufzunehmen, und ferner können Einrichtungen zum Durchstechen der Enden der Kapsel vorgesehen sein.Preferably, the chamber is capable of receiving a sealed capsule containing the medicament, and furthermore, devices be provided for piercing the ends of the capsule.
Ein durch ein Gleitteil gesteuerter Stift kann vorgesehen sein, um ein Ende der Kapsel zu durchstechen.A pin controlled by a slide member may be provided to pierce one end of the capsule.
Ferner kann ein Überzug für das' Mundstück vorgesehen sein, und der Überzug kann mit Einrichtungen zum Durchstechen des anderen Endes der Kapsel versehen sein.Furthermore, a cover can be provided for the mouthpiece, and the coating may be provided with means for piercing the other end of the capsule.
40 98 86/107440 98 86/1074
An Hand von Zeichnungen wird die Erfindung nachstehend an einem besonderen Ausführungsbeispiß 1 näher erläutert. Fig. 1 zeigt einen Vertikalschnitt durch eine Applikationsvorrichtung gemäß der Erfindung. The invention is explained in more detail below using a special exemplary embodiment 1 with reference to the drawings. Fig. 1 shows a vertical section through an application device according to the invention.
Fig. 2 zeigt einen Horizontalschnitt längs der in Fig. 1 eingetragenen
Linie 2-2.
Fig. 3 zeigt eine Draufsicht der Applikationsvorrichtung.FIG. 2 shows a horizontal section along the line 2-2 entered in FIG. 1.
3 shows a top view of the application device.
Die Applikations- bzw. Abgabevorrichtung enthält ein Gehäuse 10, in welchem ein Zylinder 11 gebildet ist. In dem Zylinder 11 ist ein Balg 12 angeordnet, und ferner ist ein Rückschlagventil 13 in der Wand des Zylinders 11 vorgesehen , um den Eintritt von Luft in den Balg zu ermöglichen.The application or delivery device contains a housing 10 in which a cylinder 11 is formed. In the cylinder 11, a bellows 12 is arranged, and further is a Check valve 13 is provided in the wall of the cylinder 11 to allow air to enter the bellows.
Am Unteren Ende des Zylinders 11 ist ein Block 14 gebildet, der eine Ausnehmung besitzt, um ein Ende einer Kapsel 15 aufzunehmen, die ein zu verteilendes pulverförmiges Medikament enthält. Die Kapsel wird in der betreffenden Stellung durch ein Rückhalteteil 16 gehalten, welches eine entsprechende Ausnehmung besitzt und welches mittels Arme bzw. Speichen 35 an einem Mundstück 17 befestigt ist, welches auf das Gehäuse aufgeschraubt ist.At the lower end of the cylinder 11, a block 14 is formed which has a recess around one end of a capsule 15 which contains a powdered drug to be distributed. The capsule is in the relevant position held by a retaining part 16 which has a corresponding recess and which by means of arms or spokes 35 is attached to a mouthpiece 17 which is screwed onto the housing.
Durch einen Durchgang 18 in dem Block und sodann durch einen Einlaßdurchgang 19» der ebenfalls in dem betreffenden Block vorgesehen ist, strömt Luft aus dem Zylinder 11 zu der Kapsel 15 hin. Ein Ventil 20 ist dabei vorgesehen, um das untere Ende des Durchgangs 18 in einer nachstehend noch näher zu beschreibenden Weise zu versperren.Through a passage 18 in the block and then through an inlet passage 19 'which is also in the block in question is provided, air flows from the cylinder 11 to the capsule 15. A valve 20 is provided to the to block the lower end of the passage 18 in a manner to be described in more detail below.
Um die Enden der Kapsel 15 zu durchstechen, sind zwei Nadeln 21 und 22 vorgesehen. Die Nadel 21 ist als TeilTo pierce the ends of the capsule 15, two needles 21 and 22 are provided. The needle 21 is part of
409886/1074409886/1074
einer Abdeckung 23 für das Mundstück ausgebildet; sie erstreckt sich in die Kapsel hinein durch einen Auslaß 24, der von der Kapsel zu dem Mundstück verläuft. Die Nadel 24 ist an bzw. in einem Knopf 25 befestigt, der von einem Verbindungsarm 27 getragen wird, welcher durch einen Schlitz 28 in dem Gehäuse verläuft und welcher an einem Gleitteil fest angebracht ist. Das Teil 29 kann längs der Seite des Gehäuses bewegt werden, um den Knopf 25 nach innen gegen eine Feder 26 zu drücken und somit die Kapsel zu durchstechen. a cover 23 formed for the mouthpiece; it extends into the capsule through an outlet 24, which runs from the capsule to the mouthpiece. The needle 24 is attached to or in a button 25 of a Link arm 27 is carried which extends through a slot 28 in the housing and which on a sliding part is firmly attached. The part 29 can be moved along the side of the housing to counter the button 25 inward to press a spring 26 and thus pierce the capsule.
Das Ventil 20 ist an einem Ende eines Flügels 30 befestigt, der um einen Drehpunkt 31 schwenkbar ist. Eine dabei vorgesehene Feder 32 spannt das Ventil 20 in der Weise vor, daß der Durchgang 18 verschlossen ist (Fig. 1 zeigt den Flügel in stark ausgezogenen Linien als in seiner Stellung befindlich, in der das Ventil geöffnet ist; durch gestrichelte Linien ist der betreffende Flügel in seiner Stellung gezeigt, in der das Ventil geschlossen ist).The valve 20 is attached to one end of a wing 30, which can be pivoted about a pivot point 31. A provided spring 32 biases the valve 20 in such a way that the passage 18 is closed (Fig. 1 shows the wing in solid lines as it is in its position, in which the valve is open; the relevant wing is shown in its position by dashed lines, in which the valve is closed).
Der Flügel 30 ist in einer Rohrleitung untergebracht, die ihren Einlaß im Bereich 33 gemäß Fig. 1 besitzt und deren Auslaß durch in dem Rückhalteteil 16 vorgesehene Löcher zu dem Mundstück hinführt.The wing 30 is housed in a pipeline which has its inlet in the area 33 according to FIG. 1 and its Outlet leads through holes provided in the retaining part 16 to the mouthpiece.
Um die Applikationsvorrichtung zu betätigen, wird zunächst eine Kapsel 15 in entsprechende Stellung gebracht, und die beiden Enden der Kapsel werden durchstochen. Dies erfolgt zuerst unter Anwendung der Nadel 21 und sodann unter Anwendung der Nadel 22. Die Abdeckung 23 wird sodann abgenommen.To operate the application device, a capsule 15 is first brought into the appropriate position, and the both ends of the capsule are pierced. This is done first using needle 21 and then using the needle 22. The cover 23 is then removed.
409886/1074409886/1074
Nunmehr wird ein Druck auf die Oberseite des Balges 12 ausgeübt, um einen Druckluftvorrat zu schaffen, währenddessen das Ventil 20 geschlossen ist, undzwar auf Grund der Wirkung der Feder 32. Wenn der Benutzer Luft durch das Mundstück 17 inhaliert, bewegt die durch die Rohrleitung aus dem Bereich 33 in das Mundstück strömende Luft den Flügel 33 in die Stellung, die in Fig. 1 durch stark ausgezogene Linien dargestellt ist. Auf diese Weise wird die Druckluft freigegeben, um durch die Kapsel 15 und aus dieser heraus in das Mundstück zu strömen, wodurch sie das Medikament in der Kapsel mitnimmt. Auf diese Weise ist eine vollständige Entleerung der Kapsel sichergestellt, und die Medikamentendosis wird von dem Benutzer inhaliert. Ein typisches Ergebnis bezüglich der von dem Benutzer inhalierten Medikamentenmenge liegt bei 91% des in der Kapsel enthaltenen Medikaments.Pressure is now applied to the top of the bellows 12 in order to create a supply of compressed air during this time the valve 20 is closed, due to the action of the spring 32. When the user air through the When the mouthpiece 17 is inhaled, the air flowing through the pipeline from the area 33 into the mouthpiece moves the Wing 33 in the position which is shown in Fig. 1 by strong lines. In this way, the Compressed air is released to flow through the capsule 15 and out of this into the mouthpiece, causing it takes the drug in the capsule with him. This ensures that the capsule is completely emptied, and the dose of medicament is inhaled by the user. A typical result related to the number inhaled by the user The amount of medication is 91% of that in the capsule contained drug.
409886/1074409886/1074
Claims (8)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB35003/73A GB1479283A (en) | 1973-07-23 | 1973-07-23 | Inhaler for powdered medicament |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2435186A1 true DE2435186A1 (en) | 1975-02-06 |
Family
ID=10372655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2435186A Pending DE2435186A1 (en) | 1973-07-23 | 1974-07-22 | APPLICATION DEVICE FOR POWDERED DRUGS |
Country Status (18)
Country | Link |
---|---|
US (1) | US3921637A (en) |
JP (1) | JPS5071195A (en) |
AT (1) | AT343819B (en) |
BE (1) | BE817951A (en) |
CA (1) | CA1027005A (en) |
CH (1) | CH573254A5 (en) |
DE (1) | DE2435186A1 (en) |
DK (1) | DK394274A (en) |
ES (1) | ES428490A1 (en) |
FR (1) | FR2238505A1 (en) |
GB (1) | GB1479283A (en) |
IE (1) | IE39612B1 (en) |
IL (1) | IL45314A (en) |
IN (1) | IN139075B (en) |
IT (1) | IT1032064B (en) |
NL (1) | NL7409739A (en) |
SE (1) | SE7409485L (en) |
ZA (1) | ZA744673B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3040641A1 (en) * | 1980-10-29 | 1982-05-27 | C.H. Boehringer Sohn, 6507 Ingelheim | Mouthpiece for aerosol inhalation - with flat and slider for actuation by inspiration |
WO2000001436A1 (en) * | 1998-07-03 | 2000-01-13 | Astrazeneca Aktiebolag | Inhalation device |
US6681768B2 (en) | 2001-06-22 | 2004-01-27 | Sofotec Gmbh & Co. Kg | Powder formulation disintegrating system and method for dry powder inhalers |
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IE46865B1 (en) * | 1977-04-29 | 1983-10-19 | Allen & Hanburys Ltd | Device for dispensing medicaments |
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EP0363060B1 (en) * | 1988-10-04 | 1994-04-27 | The Johns Hopkins University | Aerosol inhaler |
WO1990013327A1 (en) | 1989-04-28 | 1990-11-15 | Riker Laboratories, Inc. | Dry powder inhalation device |
GB8909891D0 (en) * | 1989-04-28 | 1989-06-14 | Riker Laboratories Inc | Device |
DK544589D0 (en) * | 1989-11-01 | 1989-11-01 | Novo Nordisk As | MANUALLY OPERATED DEVICE FOR DISPENSING A PRESCRIBED QUANTITY OF A POWDER-SHAPED SUBSTANCE |
GB9004781D0 (en) * | 1990-03-02 | 1990-04-25 | Glaxo Group Ltd | Device |
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TW197380B (en) | 1990-03-02 | 1993-01-01 | Glaxo Group Ltd | |
US6536427B2 (en) | 1990-03-02 | 2003-03-25 | Glaxo Group Limited | Inhalation device |
US5192548A (en) * | 1990-04-30 | 1993-03-09 | Riker Laboratoires, Inc. | Device |
DE4027390C2 (en) * | 1990-08-30 | 1994-11-03 | Boehringer Ingelheim Kg | Propellant-free inhalation device |
DE4027391A1 (en) * | 1990-08-30 | 1992-03-12 | Boehringer Ingelheim Kg | GAS-FREE INHALATION DEVICE |
US5507281A (en) * | 1990-08-30 | 1996-04-16 | Boehringer Ingelheim Kg | Device for initiating a mechanical switching operation in synchronism with the breathing |
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US6681767B1 (en) | 1991-07-02 | 2004-01-27 | Nektar Therapeutics | Method and device for delivering aerosolized medicaments |
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US6051256A (en) | 1994-03-07 | 2000-04-18 | Inhale Therapeutic Systems | Dispersible macromolecule compositions and methods for their preparation and use |
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US5780014A (en) * | 1995-04-14 | 1998-07-14 | Inhale Therapeutic Systems | Method and apparatus for pulmonary administration of dry powder alpha 1-antitrypsin |
US6428771B1 (en) * | 1995-05-15 | 2002-08-06 | Pharmaceutical Discovery Corporation | Method for drug delivery to the pulmonary system |
US5988163A (en) * | 1995-08-02 | 1999-11-23 | Innovative Devices | Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of delivery of medicament |
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-
1973
- 1973-07-23 GB GB35003/73A patent/GB1479283A/en not_active Expired
-
1974
- 1974-07-15 IE IE1490/74A patent/IE39612B1/en unknown
- 1974-07-18 NL NL7409739A patent/NL7409739A/en not_active Application Discontinuation
- 1974-07-22 US US490469A patent/US3921637A/en not_active Expired - Lifetime
- 1974-07-22 BE BE146823A patent/BE817951A/en unknown
- 1974-07-22 CH CH1007174A patent/CH573254A5/xx not_active IP Right Cessation
- 1974-07-22 FR FR7425302A patent/FR2238505A1/fr not_active Withdrawn
- 1974-07-22 DK DK394274A patent/DK394274A/da unknown
- 1974-07-22 JP JP49084514A patent/JPS5071195A/ja active Pending
- 1974-07-22 ZA ZA00744673A patent/ZA744673B/en unknown
- 1974-07-22 IN IN1623/CAL/74A patent/IN139075B/en unknown
- 1974-07-22 IL IL45314A patent/IL45314A/en unknown
- 1974-07-22 CA CA205,290A patent/CA1027005A/en not_active Expired
- 1974-07-22 AT AT603174A patent/AT343819B/en not_active IP Right Cessation
- 1974-07-22 SE SE7409485A patent/SE7409485L/xx unknown
- 1974-07-22 DE DE2435186A patent/DE2435186A1/en active Pending
- 1974-07-22 ES ES428490A patent/ES428490A1/en not_active Expired
- 1974-07-23 IT IT52240/74A patent/IT1032064B/en active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3040641A1 (en) * | 1980-10-29 | 1982-05-27 | C.H. Boehringer Sohn, 6507 Ingelheim | Mouthpiece for aerosol inhalation - with flat and slider for actuation by inspiration |
WO2000001436A1 (en) * | 1998-07-03 | 2000-01-13 | Astrazeneca Aktiebolag | Inhalation device |
US7007689B2 (en) | 1998-07-03 | 2006-03-07 | Astrazeneca Ab | Inhalation device |
US6681768B2 (en) | 2001-06-22 | 2004-01-27 | Sofotec Gmbh & Co. Kg | Powder formulation disintegrating system and method for dry powder inhalers |
Also Published As
Publication number | Publication date |
---|---|
BE817951A (en) | 1974-11-18 |
DK394274A (en) | 1975-03-10 |
IE39612L (en) | 1975-01-23 |
IL45314A0 (en) | 1974-10-22 |
ES428490A1 (en) | 1976-11-16 |
IT1032064B (en) | 1979-05-30 |
IL45314A (en) | 1976-12-31 |
JPS5071195A (en) | 1975-06-12 |
ATA603174A (en) | 1977-10-15 |
SE7409485L (en) | 1975-01-24 |
AT343819B (en) | 1978-06-26 |
AU7132974A (en) | 1976-01-22 |
US3921637A (en) | 1975-11-25 |
CA1027005A (en) | 1978-02-28 |
ZA744673B (en) | 1976-03-31 |
GB1479283A (en) | 1977-07-13 |
NL7409739A (en) | 1975-01-27 |
IE39612B1 (en) | 1978-11-22 |
IN139075B (en) | 1976-05-01 |
FR2238505A1 (en) | 1975-02-21 |
CH573254A5 (en) | 1976-03-15 |
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