Device for osteosynthesis

Details Device for osteosynthesis Device for osteosynthesis

Filed on

1996-03-13

Date issued

1998-01-20

Examiner

Buiz, Michael

Patent Class

Surgery

SubClass

Instruments

SubSubClass

Orthopedic instrumentation

Other Related Categories

606 57, 606 58, 606 59, A61B 1760

Type

Patent

Status

active

Patent number

057096813

Description

ABSTRACT:
A clamping assembly for bone-screw or bone-pin adjustment (a) longitudinally along the guideway of an external fixator, and (b) angularly about a pivot axis at a selected longitudinal location. The clamping assembly comprises a slide block adapted for releasably locked longitudinal positioning along the guideway, an intermediate plate element, and a clamp block, in sandwiched relation, with a single central bolt to secure (i) a selected angular setting of bone-screw engagement grooves coacting between the clamp block and the upper surface of the intermediate plate, and (ii) coacting arcuate tongue-and-groove formations wherein the releasably lockable coaction is between the slide block and the lower surface of the intermediate plate, to secure a given clamped angular orientation of bone-screw orientation with respect to the longitudinal direction of the guideway.

REFERENCES:
patent: Re34985 (1995-06-01), Pennig
patent: 5160335 (1992-11-01), Wagenknecht

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