CA2378713A1 - Pharmaceutical powder cartridge with integrated metering device and inhaler for powdered medicaments - Google Patents

Pharmaceutical powder cartridge with integrated metering device and inhaler for powdered medicaments Download PDF

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Publication number
CA2378713A1
CA2378713A1 CA002378713A CA2378713A CA2378713A1 CA 2378713 A1 CA2378713 A1 CA 2378713A1 CA 002378713 A CA002378713 A CA 002378713A CA 2378713 A CA2378713 A CA 2378713A CA 2378713 A1 CA2378713 A1 CA 2378713A1
Authority
CA
Canada
Prior art keywords
inhaler
metering device
powdered medicaments
pharmaceutical powder
powder cartridge
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.)
Granted
Application number
CA002378713A
Other languages
French (fr)
Other versions
CA2378713C (en
Inventor
Andre Narodylo
Wolfgang Gottenauer
Joachim Goede
Coenraad Lerk
Anne H. De Boer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AstraZeneca AB
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE1995122416 external-priority patent/DE19522416C2/en
Priority claimed from DE19522415A external-priority patent/DE19522415C2/en
Application filed by Individual filed Critical Individual
Publication of CA2378713A1 publication Critical patent/CA2378713A1/en
Application granted granted Critical
Publication of CA2378713C publication Critical patent/CA2378713C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/001—Particle size control
    • A61M11/002—Particle size control by flow deviation causing inertial separation of transported particles
    • 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
    • A61M15/0065—Inhalators with dosage or measuring devices
    • 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
    • A61M15/0065—Inhalators with dosage or measuring devices
    • A61M15/0068—Indicating or counting the number of dispensed doses or of remaining doses
    • 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
    • A61M15/0096—Hindering inhalation before activation of the dispenser
    • 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

Abstract

Disclosed is an inhaler for powdered medicaments, in which the medicament is received by a patient by means of an air stream, the inhaler operable in two steps, the first step comprising depressing a metering button disposed on the inhaler which places the inhaler in a state of readiness, the second step comprising the subsequent inhalation of a dose of medicament, the inhaler comprising a mechanically activated visual display for indicating that the inhaler is ready for the immediate discharge of the medicament dose.
CA002378713A 1995-06-21 1996-06-03 Pharmaceutical powder cartridge with integrated metering device and inhaler for powdered medicaments Expired - Lifetime CA2378713C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE1995122416 DE19522416C2 (en) 1995-06-21 1995-06-21 Device for dispersing powder in an air stream for use with powder inhalers
DE19522415.9 1995-06-21
DE19522415A DE19522415C2 (en) 1995-06-21 1995-06-21 Drug powder cartridge with integrated dosing device and powder inhaler with means for actuating the dosing device of the drug powder cartridge
DE19522416.7 1995-06-21
CA002225396A CA2225396C (en) 1995-06-21 1996-06-03 Pharmaceutical powder cartridge with integrated metering device and inhaler for powdered medicaments

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002225396A Division CA2225396C (en) 1995-06-21 1996-06-03 Pharmaceutical powder cartridge with integrated metering device and inhaler for powdered medicaments

Publications (2)

Publication Number Publication Date
CA2378713A1 true CA2378713A1 (en) 1997-01-09
CA2378713C CA2378713C (en) 2003-08-12

Family

ID=26016125

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002225396A Expired - Lifetime CA2225396C (en) 1995-06-21 1996-06-03 Pharmaceutical powder cartridge with integrated metering device and inhaler for powdered medicaments
CA002378713A Expired - Lifetime CA2378713C (en) 1995-06-21 1996-06-03 Pharmaceutical powder cartridge with integrated metering device and inhaler for powdered medicaments

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002225396A Expired - Lifetime CA2225396C (en) 1995-06-21 1996-06-03 Pharmaceutical powder cartridge with integrated metering device and inhaler for powdered medicaments

Country Status (30)

Country Link
US (2) US5840279A (en)
EP (1) EP0837710B1 (en)
JP (1) JP3299971B2 (en)
KR (1) KR100269060B1 (en)
CN (2) CN1325129C (en)
AR (1) AR002534A1 (en)
AT (1) ATE209518T1 (en)
AU (1) AU719449B2 (en)
BR (1) BR9608997A (en)
CA (2) CA2225396C (en)
CZ (2) CZ294782B6 (en)
DE (1) DE69617431T2 (en)
DK (1) DK0837710T3 (en)
ES (1) ES2168488T3 (en)
HK (2) HK1018011A1 (en)
HR (1) HRP960294B1 (en)
HU (1) HU220227B (en)
ID (1) ID17207A (en)
IL (1) IL122494A (en)
IN (1) IN189233B (en)
NO (1) NO314879B1 (en)
NZ (2) NZ310990A (en)
PL (2) PL182198B1 (en)
PT (1) PT837710E (en)
RU (1) RU2162346C2 (en)
SI (1) SI9620081B (en)
SK (1) SK284303B6 (en)
TR (1) TR199701665T1 (en)
TW (1) TW325409B (en)
WO (1) WO1997000703A1 (en)

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