Patents by Inventor Staffan F. Bowald

Staffan F. Bowald 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: 5425766
    Abstract: An implantable prosthesis for completely or partially replacing a tendon, a ligament or a cruciate ligament is characterized by a structure of bioresorbable material other than proteins, polypeptides and derivatives thereof, which structure exhibits longitudinal grooves or channels intended to server as initial propagation guides for new fibrous tissue.
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: June 20, 1995
    Assignee: Astra Tech Aktiebolag
    Inventor: Staffan F. Bowald
  • Patent number: 5141491
    Abstract: A device for cutting venous valves includes a support member adapted to be inserted into a vein and having a fore, rounded insertion end and a rear end provided with valve cutters, the valve cutters having a cutting edge or edges extending substantially transversely to the member and being directed in the backward direction of the support member to cut venous valves when the support member is moved in the backward direction. A possibly branched fluid duct extends from an inlet centrally disposed at the rear end of the support member to at least one outlet located ahead of the valve cutters, and the inlet is connected or connectable to a fluid supply through an at least slightly flexible conduit.
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: August 25, 1992
    Assignee: Medical Innovation AB
    Inventor: Staffan F. Bowald
  • Patent number: 4713072
    Abstract: An improved intraocular or implant lens has at least the outer layer thereof consisting of a substantially water-insoluble, biodegradable and biocompatible materila. Methods of preparing such a lens and an apparatus for carrying out such a method are also disclosed.
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: December 15, 1987
    Assignee: Swedish Graft Technique AB
    Inventor: Staffan F. Bowald