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US 4,473,070 AGranted
Intramedullary reamer
AssigneeThe Regents of the University of Michigan
InventorsLarry S. Matthews, Steven A. Goldstein
Life of this patent
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Abstract
An intramedullary reamer comprising a tapered cylindrical body member, a groove extending along the opposite sides and across the small end of the body member, a plurality of longitudinally disposed valleys disposed in advance of the groove to facilitate removal of cutting chips and a replaceable blade adapted to fit into the groove in the body member, the cutting edge of the blade being exposed above said groove, the open end of the blade being provided with locking means to secure the blade to the body member.
Claims7
An intramedullary reamer comprising:
- a tapered cylindrical body member having a large end and a small end, the small end being rounded, a groove extending along the opposite sides and across the small end of said body member, a plurality of longitudinally disposed valleys disposed in advance of the groove to facilitate removal of cutting chips, and
- a blade having a right leg and a left leg joined by a connecting portion, the blade being integrally formed and adapted to fit into the groove in the body member, the cutting edge of the blade being exposed above said groove, the open end of said blade being provided with locking means to secure said blade to said body member.
Dependencies are inferred from the claim text.