Patents Assigned to Padgett Instruments, Inc.
  • Patent number: 5342365
    Abstract: A surgical rasp is provided which includes a plurality of teeth each having a concave cutting face. The concave cutting face preferably provides an essentially self-sharpening tooth configuration for prolonging the useful life of the rasp. The rasp is preferably provided with a convex trailing face and an arcuate trough which aid in allowing removed tissue to move free of the rasp teeth. The rasp includes a handle presenting preferably a pair of opposed ends defining a longitudinal axis therebetween, with rows of teeth being provided on tungsten carbide inserts brazed or otherwise affixed to each of the ends.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: August 30, 1994
    Assignee: Padgett Instruments, Inc.
    Inventor: Joel N. Waldman
  • Patent number: D401340
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: November 17, 1998
    Assignee: Padgett Instruments, Inc.
    Inventors: Joel N. Waldman, James William Petersen, James Edward Petersen