Patents by Inventor Peter H. Wetterman

Peter H. Wetterman 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).

  • In-dwelling ureteral stent and injection stent assembly, and method of using same
    Patent number: 4931037
    Abstract: A stent has a first tubular portion with a straight section and a curled section at the proximal end thereof, a second tubular portion curl providing a curled section at the distal end. The second portion has a larger diameter than the first portion and receives the straight section therein which is bonded thereton. The end of the straight section within the second portion forms a shoulder for abutment by an injection catheter to inject the stent into a patient. The outer surface of the distal portion is relatively soft to avoid bladder irritation.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: June 5, 1990
    Assignee: International Medical, Inc.
    Inventor: Peter H. Wetterman