Patents by Inventor Joseph R. Shields

Joseph R. Shields 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: 5687727
    Abstract: A proximal adaptor for an over-the-wire angioplasty catheter is disclosed which contains a retractable catheter slitting element and a releasable guidewire seizing element, both of which are controllable by a manually operated element or elements accessible from the exterior of the adaptor.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: November 18, 1997
    Assignee: Danforth Biomedical Incorporated
    Inventors: Jeff L. Kraus, Joseph R. Shields, Nitin P. Matani, Michael J. Horzewski
  • Patent number: 5290241
    Abstract: The present invention is an "over-the-wire" catheter having a proximal adapter system which may be used to open a longitudinally closed guidewire lumen, thereby facilitating rapid removal of the catheter without a guidewire extension mechanism.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: March 1, 1994
    Assignee: Danforth Biomedical, Incorporated
    Inventors: Jeffrey L. Kraus, Joseph R. Shields, Nitin P. Matani