Inhaler for powdered medications
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 3, 1998
Issued Date -
N/A
app pub date -
Jun 1, 1995
filing date -
Dec 18, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A powder inhaler comprising: a powder housing for holding a supply of powdered material to be dispensed and a metering plate for holding a metered amount of said powdered material, the metering plate being alternately positionable below said supply of powdered material or within an inhalation conduit, by means of a bi-directional, angle-limited relative rotation about a common central axis; a counter for providing a visual count of the number of doses of said powdered material that have been dispensed or remain to be dispensed in response to the relative rotation, the counter including: a continuous counter ring and a coaxially mounted intermittent counter ring, both rings being mounted on a base in surrounding relation to a retaining post, being rotatable about the common central axis and having counting indicia thereon for displaying said visual count; and a display means through which at least one of the counting indicia is displayed to indicate a count corresponding to a number of doses of powdered material that have been dispensed or remain to be dispensed.
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