Patents by Inventor Michael D. Apstein

Michael D. Apstein 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).

  • Steerable guide wire for cannulation of tubular or vascular organs
    Patent number: 5054501
    Abstract: A steerable guide wire for cannulation of tubular or vascular organs. The guide wire has a distal end and a proximal end. The guide wire has at least one coil forming a helix near the distal end of the guide wire to aid in the negotiation through tubular or vascular organs such as endoscopic retrograde or antegrade cannulation of the cystic duct. A removable clamp is secured to the proximal end of the guide wire to allow the user to apply torsional and longitudinal force to steer the guide wire into position.
    Type: Grant
    Filed: May 16, 1990
    Date of Patent: October 8, 1991
    Assignee: Brigham & Women's Hospital
    Inventors: Ram Chuttani, Michael D. Apstein, David L. Carr-Locke