Patents by Inventor Hanson G. Gifford, III

Hanson G. Gifford, III has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Drug delivery methods, structures, and compositions for nasolacrimal system
    Patent number: 8795711
    Abstract: An implant for insertion into a punctum of a patient comprises a body. The body has a distal end, a proximal end, and an axis therebetween. The distal end of the body is insertable distally through the punctum into the canalicular lumen. The body comprises a therapeutic agent included within an agent matrix drug core. Exposure of the agent matrix to the tear fluid effects an effective therapeutic agent release into the tear fluid over a sustained period. The body has a sheath disposed over the agent matrix to inhibit release of the agent away from the proximal end. The body also has an outer surface configured to engage luminal wall tissues so as to inhibit expulsion when disposed therein. In specific embodiments, the agent matrix comprises a non-bioabsorbable polymer, for example silicone in a non-homogenous mixture with the agent.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: August 5, 2014
    Assignee: Mati Therapeutics Inc.
    Inventors: Eugene de Juan, Jr., Cary Reich, Stephen Boyd, Hanson G. Gifford, III, Mark Deem
  • Drug Delivery Methods, Structures, and Compositions for Nasolacrimal System
    Publication number: 20090092654
    Abstract: An implant for insertion into a punctum of a patient comprises a body. The body has a distal end, a proximal end, and an axis therebetween. The distal end of the body is insertable distally through the punctum into the canalicular lumen. The body comprises a therapeutic agent included within an agent matrix drug core. Exposure of the agent matrix to the tear fluid effects an effective therapeutic agent release into the tear fluid over a sustained period. The body has a sheath disposed over the agent matrix to inhibit release of the agent away from the proximal end. The body also has an outer surface configured to engage luminal wall tissues so as to inhibit expulsion when disposed therein. In specific embodiments, the agent matrix comprises a non-bioabsorbable polymer, for example silicone in a non-homogenous mixture with the agent.
    Type: Application
    Filed: December 10, 2008
    Publication date: April 9, 2009
    Applicants: QLT Plug Delivery, Inc., ForSight Labs, LLC., a California corporation
    Inventors: Eugene de Juan, JR., Cary Reich, Stephen Boyd, Hanson G. Gifford, III, Mark Deem