Automatic compression-distraction apparatus

Details Automatic compression-distraction apparatus Automatic compression-distraction apparatus

1985-09-18

1986-10-07

Peshock, Robert

Surgery

Truss

Perineal

128 92G, A61F 504

Patent

active

046153381

ABSTRACT:
A drive of a compression-distraction apparatus, comprising a lead screw whose thread is mated with an opening of a ratchet wheel placed in a housing, a pawl interacting with teeth of the wheel and connected to a load-bearing element manufactured from an alloy possessing plastic memory. The load-bearing element has a rectilinear shape and is essentially a tie-rod whose one end is rigidly secured to the housing while the other end is coupled to a resilient member and the pawl, said load-bearing element being further provided with an electric heater connected to the housing.

REFERENCES:
patent: 2055024 (1936-09-01), Bittner, Jr.
patent: 4157715 (1979-06-01), Westerchoff
patent: 4502473 (1985-03-01), Harris et al.
patent: 4573459 (1986-03-01), Litton

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