摘要 |
PCT No. PCT/US93/12076 Sec. 371 Date Jun. 1, 1995 Sec. 102(e) Date Jun. 1, 1995 PCT Filed Dec. 16, 1993 PCT Pub. No. WO94/14492 PCT Pub. Date Jul. 7, 1994A 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. |
申请人 |
SCHERING CORP., KENILWORTH, N.J., US |
发明人 |
AMBROSIO, THOMAS, J., SOMERVILLE, NJ 08876, US;ASHLEY, CHARLES, R., CLINTON, NJ 08809, US;BILANIN, ALAN, J., PRINCETON, NJ 08543, US;HUCK, CHARLES, M., GLADSTONE, NJ 07934, US;KAUFMAN, ANDREW, E., ROBBINSVILLE, NJ 08691, US;KENYON, DAVID, J., MORRISTOWN, NJ 07960, US;MANTHENA, SRINIVAS, BRICKTOWN, NJ 08724, US;SOCHON, HENRY, R., CLIFTON, NJ 07013, US;WILKINSON, KEN, ROUND LAKE, IL 60073, US;YANG, TSONG-TOH, WARREN, NJ 07059, US |