Patents by Inventor Elsa Chavez

Elsa Chavez 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).

  • Guidewire introducer sheath
    Patent number: 6682536
    Abstract: Systems and methods for positioning a first guidewire (25) in a primary vessel (M) and a second guidewire (27) in a branch vessel (B). One embodiment comprises an introducer (10) having first (12) and second lumens (14) adapted to slidably receive the first guidewire within the first lumen and the second guidewire within the second lumen. One method embodiment includes inserting the first guidewire into the main vessel, introducing the introducer over the first guidewire, and inserting the second guidewire within the second lumen such that the second guidewire extends into the branch vessel. The introducer is withdrawn while maintaining the first and second guidewires in the respective vessels.
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: January 27, 2004
    Assignee: Advanced Stent Technologies, Inc.
    Inventors: Gil M. Vardi, Eric Williams, Elsa Chavez, Henry Bourang, Niyazi U. Beyhan
  • Guidewire Introducer Sheath
    Publication number: 20010044622
    Abstract: Systems and methods for positioning a first guidewire (25) in a primary vessel (M) and a second guidewire (27) in a branch vessel (B). One embodiment comprises an introducer (10) having first (12) and second lumens (14) adapted to slidably receive the first guidewire within the first lumen and the second guidewire within the second lumen. One method embodiment includes inserting the first guidewire into the main vessel, introducing the introducer over the first guidewire, and inserting the second guidewire within the second lumen such that the second guidewire extends into the branch vessel. The introducer is withdrawn while maintaining the first and second guidewires in the respective vessels.
    Type: Application
    Filed: March 26, 2001
    Publication date: November 22, 2001
    Inventors: Gil M. Vardi, Eric Williams, Elsa Chavez, Henry Bourang, Niyazi U. Beyhan