Patents by Inventor Terry C. Eisensmith

Terry C. Eisensmith 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).

  • Patent number: 5797174
    Abstract: There is disclosed an apparatus for forming curved and rectangular bodied needle blanks from a length of needle stock which includes a generally cylindrical inner mandrel having a plurality of longitudinal channels formed in an outer surface thereof, the mandrel being dimensioned and configured for insertion within the length of needle stock. The apparatus also includes a plurality of broaches insertable into the longitudinal channels such that an edge of each broach projects radially outwardly of the mandrel to form a plurality of inner grooves on an inner surface of the length of needle stock.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: August 25, 1998
    Assignee: United States Surgical Corporation
    Inventors: Thomas D. Guy, Terry C. Eisensmith, Donald A. Morin
  • Patent number: 5682940
    Abstract: There is disclosed an apparatus for forming curved and rectangular bodied needle blanks from a length of needle stock which includes a generally cylindrical inner mandrel having a plurality of longitudinal channels formed in an outer surface thereof, the mandrel being dimensioned and configured for insertion within the length of needle stock. The apparatus also includes a plurality of broaches insertable into the longitudinal channels such that an edge of each broach projects radially outwardly of the mandrel to form a plurality of inner grooves on an inner surface of the length of needle stock.
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: November 4, 1997
    Assignee: United States Surgical Corporation
    Inventors: Thomas D. Guy, Terry C. Eisensmith, Donald A. Morin
  • Patent number: 5553477
    Abstract: There is disclosed an apparatus for forming a surgical incision member comprising which includes a first die associated with a base and having a first groove therein for receipt of at least a portion of a needle blank. A second die is mounted for movement on the base between a position remote from the first die and a position adjacent the first die. The second die includes a second groove alignable with the first groove to hold a needle blank therebetween, the first and second dies each having spaced apart channels intersecting the first and second grooves. A notching die is provided and is mounted for movement within at the channels so as to engage and notch an edge of the needle blank contained within the first and second grooves. The apparatus also includes structure for curving a needle blank contained within the first and second grooves. A method of forming a surgical incision member is also disclosed, and a surgical incision member blank.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: September 10, 1996
    Assignee: United States Surgical Corporation
    Inventors: Terry C. Eisensmith, Donald A. Morin, George R. Proto