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Claims for Patent: 6,071,498

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Claims for Patent: 6,071,498

Title: Inhaler for powdered medicaments
Abstract:Pharmaceutical powder cartridge for powder inhalers for receiving a medicament depot for a large number of pharmaceutical powder doses, having an integrated metering device which comprises at least one metering cavity for receiving a predetermined quantity of a pharmaceutical powder, the integrated metering device being capable of being moved at least out of a filling position into an emptying position approximately transversely with respect to the flow direction of the pharmaceutical powder, and an inhaler for powdered medicaments, in which inhaler the medicament can be received by a patient by means of an air stream and which has a receptacle for such a pharmaceutical powder cartridge.
Inventor(s): Narodylo; Andre (Linsengericht, DE), Gottenauer; Wolfgang (Bruchkobel, DE), Goede; Joachim (Hanau, DE), Lerk; Coenraad (Peize, NL), De Boer; Anne H. (Drachten, NL)
Assignee: ASTA Medica Aktiengesellschaft (Dresden, DE)
Application Number:09/113,652
Patent Claims: 1. 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, said inhaler comprising a mechanically activated visual display for indicating that the inhaler is ready for the immediate discharge of the medicament dose.

2. The inhaler of claim 1, further comprising a receptacle for receiving a replaceable cartridge.

3. The inhaler of claim 1, wherein said visual display includes a symbol which is removed from said display after the medicament dose has been discharged.

4. The inhaler of claim 2, wherein said cartridge includes a visual cartridge display means for indicating one of the number of doses which have been used and which remain in said cartridge, said inhaler including a means for reading said visual cartridge display means from outside said inhaler.

5. The inhaler of claim 1 including a mouth piece for inhaling an air stream with medicament, said visual display arranged to be viewable from the side of the inhaler whereat said mouthpiece is located.

6. The inhaler according to claim 4 including a mouthpiece for inhaling an air stream with medicament, said means for reading arranged so that said cartridge display means is viewable from the side of the inhaler whereat said mouthpiece is located.

7. The inhaler according to claim 1 wherein said visual display is arranged on said inhaler to be viewable by a user when the inhaler is positioned by the user for inhaling.

8. The inhaler according to claim 4 wherein said means for reading said visual cartridge display means is arranged on said inhaler to be viewable by a user when the inhaler is positioned by the user for inhaling.

9. An inhaler for powdered medicaments, in which the medicament is received by a patient by means of an air stream, said inhaler comprising a first visual display for indicating the readiness of the inhaler for immediate discharge of a medicament and a second visual display for indicating the number of medicament doses removed from said inhaler.

10. The inhaler of claim 9, wherein said first visual display includes a symbol which is removed from said first display after the medicament dose has been discharged.

11. The inhaler of claim 9, further comprising a receptacle for receiving a replaceable cartridge.

12. The inhaler of claim 9, wherein said visual display comprises a numerical display.

13. The inhaler of claim 9, wherein said first visual display is arranged to be viewable from the side of the inhaler whereat said mouthpiece is located.

14. The inhaler of claim 13, wherein said second visual display is arranged on said inhaler to be viewable by a user when the inhaler is positioned by the user for inhaling.
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