Surgery – Truss – Perineal
Patent
1989-04-05
1990-08-14
Hafer, Robert A.
Surgery
Truss
Perineal
128 80F, 128 84B, 128 85, 606 56, A61F 504
Patent
active
049478354
ABSTRACT:
An adjustable splint assembly comprises of an adjustable splint device and a fixator device, said adjustable splint device comprising a distal strut and a proximal strut pivotably connected to said distal strut, one of said struts having at one end a pivotably mounted head portion defining a cam surface, an adjustable biasing means mounted within the other strut and biased into engagement with said cam surface for applying a quantifiable force tending to align or approximate said distal and proximal struts, said fixator device comprising a right ring and a left ring, two or more surgical wires for implanting through a bone, with said wires connected at each end to the periphery of the right ring and crossing each other substantially near the center axis of said right ring, two or more surgical wires similarly connected to and crossing within the left ring, means for connecting said surgical wires to the right ring and left ring, and upper rod connected at one end to the left ring and at the other end to the right ring, a lower rod connected at one end to the left ring and at the other end to the right ring on the sides of the rings opposite the upper rod, means for connecting said upper rod and lower rod to the right ring and left ring, a clamping assembly slidably mounted on the distal strut of said adjustable splint device, means for securing said clamping assembly to the distal strut, means for connecting said clamping assembly to the right ring of said fixator device, and means for securing said adjustable splint assembly to a limb.
REFERENCES:
patent: 1334596 (1920-03-01), Crouch
patent: 2020262 (1935-11-01), Longfellow
patent: 2055024 (1936-09-01), Bittner, Jr.
patent: 4033340 (1977-07-01), Kalnberz
patent: 4397308 (1983-08-01), Hepburn
Hepburn George R.
Paley Dror
Dynasplint Systems, Inc.
Hafer Robert A.
Sam Charles H.
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