Device for tensioning traction wires in orthopedic surgery

Details Device for tensioning traction wires in orthopedic surgery Device for tensioning traction wires in orthopedic surgery

1990-04-02

1991-10-15

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 56, A61B 1756

Patent

active

050571133

ABSTRACT:
The device for tensioning traction wires has a hollow body to which a pair of actuation levers is pivoted. A movable head is guided frontally in the hollow body and a slider is slidably mounted inside the hollow body and is adapted to be traversed by a traction wire. A tension element is supported by the slider and provided with clamps for locking the traction wire. A lever system transmits to the slider the compression force exerted on the actuation levers, while an anchoring element rigidly associated with the hollow body is fitted on the slider, to which the lever system is pivoted. A movable locking element is adapted to keep constant the tension exerted by means of the actuation levers.

REFERENCES:
patent: 2049361 (1936-07-01), Ericsson
patent: 4338927 (1982-07-01), Volkov et al.
patent: 4557164 (1985-12-01), Krampe
patent: 4768524 (1988-09-01), Hardy
patent: 4923458 (1990-05-01), Fischer
patent: 4936843 (1990-06-01), Sohngen
patent: 4966600 (1990-10-01), Songer et al.

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