Patents by Inventor Leif E. S. H. Ryd

Leif E. S. H. Ryd 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).

  • Saw-blade for sawing living human bone
    Patent number: 5087261
    Abstract: A saw-blade for sawing living human bone during surgical operations, the saw-blade (1) presenting on at least one side (10) at least two saw portions (8, 9) and said saw-blade (1) having at least one inner space (14) through which coolant (18) is adapted to flow for cooling the saw-blade (1) during sawing. For efficient direct cooling of the saw portions (8, 9) and continuous cleaning thereof during sawing, the space (14) extends up to the two saw portion (8, 9) and is open between them in order, on one hand, to conduct coolant (18) to the saw portions (8, 9) for cooling them, and, on the other hand, to cause coolant (18) to emerge between the saw portions (8, 9) for carrying off bone residues or other saw residues in a direction away from the saw portions (8, 9).
    Type: Grant
    Filed: September 20, 1990
    Date of Patent: February 11, 1992
    Assignee: MIT AB
    Inventors: Leif E. S. H. Ryd, Anders O. Bertilsson-Lindstrand, Soren Toksvik-Larsen