Patents by Inventor Matthew L. Wolczynski

Matthew L. Wolczynski 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).

  • I-beam needle having true I-beam cross-section
    Patent number: 5269806
    Abstract: A surgical needle having an I-beam configuration is disclosed. The surgical needle comprises an elongated member having an I-beam cross section wherein two opposed flange members are connected by a web member. The elongated member has a piercing point extending from its distal end. A cylindrical mounting section extends from the proximal end of the needle for receiving an end of a suture. The needle has increased resistance to bending and buckling when compared to conventional needles and does not have an increase in resistance or drag.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: December 14, 1993
    Assignee: Ethicon, Inc.
    Inventors: Timothy A. Sardelis, Paul J. Parisi, Lester E. Schaible, Lawrence P. Trozzo, Matthew L. Wolczynski