Surgery – Truss – Pad
Patent
1975-10-06
1977-03-15
Frinks, Ronald L.
Surgery
Truss
Pad
128 92B, 128 92C, 32 10A, A61F 124, A61C 1300
Patent
active
040116026
ABSTRACT:
A device for attaching to substantially solid living bone tissue, comprising a body member having an outer surface shaped to fit approximately into an empty space in the tissue and having pores into which the tissue can grow to strengthen the bond between the device and the tissue, and adjustable means for expanding the body member against the tissue to an extent such as to provide a compressive stress capable of maintaining a snug and stable fit and of enhancing the growth of the tissue into the pores in the body member. The expanding means is adjustable to provide a stress between the tissue and the body member in the range of about 150 to 750 psi, typically 150 to 350 psi. Typically the body member comprises an expandable cylindrical portion having at least one radial slit extending longitudinally from a first end to the vicinity of the opposite (second) end thereof, at least one radial slit extending longitudinally from the second end to the vicinity of the first end thereof, and a tapered cylindrical hole extending coaxially from a wider circular opening in the first end to a narrower circular opening communicating with the second end.
REFERENCES:
patent: 2397545 (1946-04-01), Hardinge
patent: 2699774 (1955-01-01), Livingston
patent: 3708883 (1974-01-01), Flander
patent: 3805302 (1974-04-01), Mathys
patent: 3855638 (1974-12-01), Pilliar
Hassler Craig R.
Hulbert Lewis E.
Karagianes Manuel Tom
Rybicki Edmund F.
Wheeler Kenneth Ray
Battelle (Memorial Institute)
Dunson Philip M.
Frinks Ronald L.
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