Surgery – Truss – Perineal
Patent
1980-01-17
1981-10-06
Pellegrino, Stephen C.
Surgery
Truss
Perineal
128 92B, A61F 504
Patent
active
042929644
ABSTRACT:
A fractured pelvis is pinned using a guide apparatus comprising an elongated member provided with a pair of longitudinally spaced and transversely projecting arms having outer ends provided with respective coaxially aligned cannulas having points directed at each other and separated by a space. The fractured bone is positioned in the space between the cannulas with the points engaging the fractured bone and holes are formed in the bone surface using trocars through the cannulas. Then a relatively small-diameter guide rod is inserted axially through the cannulas and through the fractured bone engaged therebetween. The guide apparatus is then disengaged from the bone, but the small-diameter guide rod is left in place therein. A tubular drill bit is then fitted over one end of the guide rod and a bore is drilled through the bone along the guide rod while the bit is guided through the bone along this rod. The guide rod is then withdrawn from the bit which itself is left in the bore through the fractured bone. Then the bit is pushed axially out of the bore it has formed by the bone pin whose ends are axially oppositely braced against the opposite ends of the fractured bone.
REFERENCES:
patent: 3704702 (1972-12-01), Halloran
patent: 3892232 (1975-07-01), Neufeld
patent: 4159716 (1979-07-01), Borchers
Pellegrino Stephen C.
Ross Karl F.
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