The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 2003
Filed:
Nov. 02, 2000
Thomas Nilsson, Mariefred, SE;
Lars-Gunnar Nilsson, Koping, SE;
Microdrug AG, Hergiswil, SE;
Abstract
A dosing device of an inhaler for administration of a pharmaceutical composition during a prolonged time period is disclosed. The principle of the inspiratory administration is basically utilizing known techniques for administering of the pharmaceutical composition, whereby the fine powder to be administered is gathered as extended doses ( ) of powder onto a surface of a dosing member. The disposable dosing member ( ) contains a number of prefabricated dose strings to be accessed. A dosing element ( ) having an adapted opening moves along an extended string of the dosing member during the administration to in this manner prolong the time period, during which the pharmaceutical composition is released from the dosing member ( ) into an air-stream of the inhaler during the inspiration. The relative motion of the dosing element ( ) is either obtained by rotating the dosing member itself or moving the dosing element along the surface of the dosing member. Thereby an evenly distributed amount of powder in the inspiration air is obtained during, for instance, one to two seconds of inspiration in accordance with the motion of the dosing element ( ) relative to the extended dose of pharmaceutical composition.