Patents by Inventor Michael A. Schellpfeffer

Michael A. Schellpfeffer 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).

  • Laparoscopic tissue retrieval forceps
    Patent number: 5849024
    Abstract: This laparoscopic tissue retrieval forceps is a non-disposable medical device designed to facilitate the removal of surgical tissue specimens from various body cavities through small incisions. It consists of two separate mirror image members. Each member then consists of a blade portion 10, a shank portion 12, a locking mechanism 14, and a handle portion 16. Blade portion 10 and shank portion 12 are of various sizes to accommodate various sizes of incisions and various body cavities. Blade portion 10 of each member is introduced into a body cavity through a small surgical incision along opposing sides of the surgical tissue specimen or retrieval bag/sac. The two members of the device are joined together at locking mechanism 14. Traction is applied to handle portion 16 of the device to facilitate tissue retrieval.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: December 15, 1998
    Inventor: Michael A. Schellpfeffer
  • Laparoscopic tissue retrieval forceps
    Patent number: 5626606
    Abstract: This laparoscopic tissue retrieval forceps is a non-disposable medical device designed to facilitate the removal of surgical tissue specimens from various body cavities through small incisions. It consists of two separate mirror image members. Each member then consists of a blade portion 10, a shank portion 12, a locking mechanism 14, and a handle portion 16. Blade portion 10 and shank portion 12 are of various sizes to accommodate various sizes of incisions and various body cavities. Blade portion 10 of each member is introduced into a body cavity through a small surgical incision along opposing sides of the surgical tissue specimen or retrieval bag/sac. The two members of the device are joined together at locking mechanism 14. Traction is applied to handle portion 16 of the device to facilitate tissue retrieval.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: May 6, 1997
    Inventor: Michael A. Schellpfeffer