Surgery – Instruments – Orthopedic instrumentation
Patent
1991-04-25
1991-10-01
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
606 86, A61F 504
Patent
active
050530399
ABSTRACT:
A method and apparatus for performing an upper tibia osteotomy comprising cutting a wedge from the bone using a first guide assembly to cut a first slot partially through a bone and a second guide assembly to cut a second intersecting slot to define a wedge shaped bone segment. An external compressor device draws the osteotomy closed by plastic deformation of the unsevered portion of the bone. The bone is secured by a plate and screws.
REFERENCES:
patent: 4335715 (1982-06-01), Kirkley
patent: 4565191 (1986-01-01), Slocum
patent: 4750481 (1988-06-01), Reese
patent: 4944739 (1990-07-01), Torre
patent: 4952214 (1990-08-01), Comparetto
Burdulis, Jr. Albert G.
Hofmann Aaron A.
Hafer Robert A.
Intermedics Orthopedics
Merkling John R.
Rimell Sam
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