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:
Feb. 15, 2000
Filed:
Oct. 15, 1997
Applicant:
Inventors:
Patrick S-L. Wong, Burlingame, CA (US);
Stephen S Hwang, Palo Alto, CA (US);
Vincent J Ferrari, Foster City, CA (US);
Assignee:
ALZA Corporation, Palo Alto, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 85 ; 604 57 ; 604 78 ; 424473 ; 424451 ; 424438 ; 424464 ;
Abstract
The present invention is directed to a mixing system for an active agent delivery device. The device comprises an elongate tubular member having first and second ends and a mixing system. The mixing system enables the entire dose of active agent to be entrained in a liquid. In use, liquid is drawn into the first end of the device, the mixing system mixes the liquid and active agent within the device and the active agent entrained in the liquid is drawn out of the second end of the member and into the patient's mouth.