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.

Date of Patent:
Oct. 17, 1995

Filed:

Sep. 17, 1993
Applicant:
Inventors:

Joel R Racchini, Edina, MN (US);

James E Shapland, Shoreview, MN (US);

Mark B Knudson, Shoreview, MN (US);

Jin Shimada, Falcon Heights, MN (US);

Keith R Hildebrand, Houlton, WI (US);

Assignee:

CorTrak Medical, Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
604 19 ; 604 96 ;
Abstract

A drug delivery apparatus and method for delivering a drug locally to internal body tissue. The invention contemplates positioning a drug delivery device in a body passageway or within body tissue and then selectively wetting a membrane within the device, making the membrane permeable and allowing transport of a drug across the membrane and into the passageway wall or body tissue.

Published as:

Find Patent Forward Citations

Loading…