Patents by Inventor Charles J. Davidson

Charles J. Davidson 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).

  • Extendible stent apparatus
    Publication number: 20010016766
    Abstract: The present invention concerns novel stent apparatuses for use in treating lesions at or near the bifurcation point in bifurcated cardiac, coronary, renal, peripheral vascular, gastrointestinal, pulmonary, urinary and neurovascular vessels and brain vessels. More particularly, the invention concerns a stent apparatus with at least one side opening which may further comprise an extendable stent portion laterally extending from the side opening and at least partly in registry with the wall of the side opening.
    Type: Application
    Filed: December 27, 2000
    Publication date: August 23, 2001
    Inventors: Gil M. Vardi, Charles J. Davidson
  • Catheter with side sheath
    Publication number: 20010003161
    Abstract: A catheter system for inserting a first guidewire in a primary vessel and a second guidewire in a branch vessel, comprising: a dual lumen catheter having a first guidewire slidably received within a first lumen; and a side sheath received within a second lumen; and a second guidewire slidably received within a lumen of the side sheath.
    Type: Application
    Filed: December 18, 2000
    Publication date: June 7, 2001
    Inventors: Gil M. Vardi, Charles J. Davidson, Eric Williams
  • Extendible stent apparatus
    Patent number: 6210429
    Abstract: The present invention concerns novel stent apparatuses for use in treating lesions at or near the bifurcation point in bifurcated cardiac, coronary, renal, peripheral vascular, gastrointestinal, pulmonary, urinary and neurovascular vessels and brain vessels. More particularly, the invention concerns a stent apparatus with at least one side opening which may further comprise an extendable stent portion laterally extending from the side opening and at least partly in registry with the wall of the side opening.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: April 3, 2001
    Assignee: Advanced Stent Technologies, Inc.
    Inventors: Gil M. Vardi, Charles J. Davidson