Surgery – Truss – Perineal
Patent
1980-12-29
1982-09-14
Thaler, Michael H.
Surgery
Truss
Perineal
128303R, 30293, A61B 1718
Patent
active
043490182
ABSTRACT:
Surgical apparatus for use in guiding and aligning a surgical blade or osteotome for bone removal from the tibia and femur during a proximal tibia osteotomy or a total knee replacement operation is disclosed. The apparatus includes a femur "T" bar unit and a tibia "T" bar unit which are connected to the shaft of the femur and tibia bones respectively. First and second guide members provide means such that desired or selected cutting planes can be maintained during the bone cutting operation. These guides may be selectively attached to the mid portion of the T-bar units for providing a guide for total knee replacement or to the lateral or medial ends of the "T"-bar for a proximal tibia osteotomy. The medial and lateral ends of the cross bars of the T-bar units are secured to each other by means which are selected according to the operation to be performed. That is, a selection is made depending on whether the operation is to be a proximal tibia osteotomy or a total knee replacement. Although this apparatus is suitable for both, of particular importance is the use of this apparatus for a proximal tibia osteotomy in that an accurate measurement of the necessary correction may be determined and then a section or wedge of bone precisely removed to exactly achieve the necessary correction.
REFERENCES:
patent: 2200120 (1940-05-01), Nauth
patent: 2737724 (1956-03-01), Herz
patent: 4037592 (1977-07-01), Kronner
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