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:
Oct. 06, 2020
Filed:
Jan. 25, 2019
Norton (Waterford) Limited, Waterford, IE;
Declan Walsh, Waterford, IE;
Paul Prendergast, Waterford, IE;
Daniel Buck, Waterford, IE;
Trevor Kent, Waterford, IE;
Niall Thompson, Waterford, IE;
NORTON (WATERFORD) LIMITED, Waterford, IE;
Abstract
A breath actuated metered dose inhaler may include a canister fire system configured to fire a medicament containing canister in response to patient inhalation. The canister fire system may include a pneumatic force holding unit and having a rest configuration in which a metering valve of the canister is in a refill configuration; a prepared configuration in which a canister actuation force is retained by the pneumatic force holding unit and the canister fire system is actuatable by patient inhalation induced airflow; and a fire configuration in which the metering valve is in a dose delivery position. When in the prepared configuration, the force retained by the so pneumatic force holding unit may be reduced by less than about 6% over a period of 5 minutes, preferably less than about 3% over a period of 5 minutes.