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. 21, 1999
Filed:
Aug. 26, 1997
Applicant:
Inventors:
Assignee:
Queen's University at Kingston, Kingston, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 59 ; 604 57 ; 604 48 ; 604311 ; 604514 ; 604218 ;
Abstract
An everting toroid for use in delivering a powdered or liquid or aerosolized drug to an internal body cavity, such as the urethra, is described. The drug may be distributed on the surface of the everting toroid or may be injected through the lumen thereof via an aerosol wand which is designed to release the drug as the toroid and/or wand are withdrawn from the body cavity.