Patents by Inventor Marc H. Effron

Marc H. Effron 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).

  • Surgical instrument for cutting body tissue from a body area having a restricted space
    Patent number: 4601290
    Abstract: A surgical instrument and method for cutting and removing body tissue from a body area having a restricted space is provided. The cutter comprises an external cutting tube sized for insertion into the restricted space. The external tube has an opening therein with cutting edges thereon. An internal tube having an internal opening therein with cutting edges thereon is positioned within the external tube. The openings in the external and internal tubes are relatively oscillatingly movable to open to receive body tissue therethrough and to close to cut the body tissue. A vacuum is provided to draw the cut body tissue into and through the internal tube and out of the instrument.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: July 22, 1986
    Assignee: Cabot Medical Corporation
    Inventors: Marc H. Effron, Henry J. Tancredi