Patents by Inventor Joseph S. Bachir

Joseph S. Bachir 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).

  • Spiral biopsy stylet
    Patent number: 5660186
    Abstract: A bioptic device of the cannula and internal stylet type wherein the stylet includes a sharp tip with a gutter adjacent to the tip for obtaining a tissue sample within a larger body of tissue. The cannula, stylet tip, and gutter bear threading to better enable the bioptic device to fix tissue when the bioptic device is rotationally advanced within the body of tissue. The cannula and stylet may additionally bear complementary threading to ensure that they can only be rotationally actuated with respect to each other.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 26, 1997
    Assignee: Marshfield Clinic
    Inventor: Joseph S. Bachir