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:
Aug. 16, 2011
Filed:
Apr. 02, 2007
Eugene DE Juan, Jr., San Francisco, CA (US);
Stephen Boyd, Murrieta, CA (US);
Cary Reich, Los Gatos, CA (US);
Alan Rapacki, Redwood City, CA (US);
Hanson S. Gifford, Iii, Woodside, CA (US);
Mark Deem, Mountain View, CA (US);
Eugene de Juan, Jr., San Francisco, CA (US);
Stephen Boyd, Murrieta, CA (US);
Cary Reich, Los Gatos, CA (US);
Alan Rapacki, Redwood City, CA (US);
Hanson S. Gifford, III, Woodside, CA (US);
Mark Deem, Mountain View, CA (US);
QLT Inc., Vancouver, BC, CA;
Abstract
Implant devices, systems and methods for insertion into a punctum of a patient optionally comprises a drug core and a sheath body disposed over the drug core. The drug core includes a therapeutic agent deliverable into the eye, and the sheath defines at least one exposed surface of the drug core. The exposed surface(s) of the drug core may contact a tear or tear film fluid and release the therapeutic agent at therapeutic levels over a sustained period when the implant is implanted for use. The implant may include a retention element to retain the drug core and sheath body near the punctum, optionally comprising a shape memory alloy that can resiliently expand. An occlusive element may be attached to the retention element to at least partially occlude tear flow through the canalicular lumen.