Patent ID: 8388619
Filing Date: 2013-03-05
Classification: A61B

Abstract:
1. A unilateral fixator for adjustment of a first bone portion relative to a second bone portion, the fixator comprising: a strut having first and second ends and a longitudinal strut axis, the strut telescopically adjustable along the strut axis; a first compound movable joint coupled to the first end of the strut and to a first bone attachment device, the first compound movable joint including a first gear mechanism, the first gear mechanism operable to control linear and rotational motion of the first bone attachment device relative to first and second axes while the first bone attachment device is engaged with the first bone portion, the first and second axes generally orthogonal to one another and to the strut axis; and a second compound movable joint coupled to the second end of the strut and to a second bone attachment device, the second compound movable joint including a second gear mechanism, the second gear mechanism operable to control linear and rotational adjustment of the second bone attachment device while the second bone attachment device is engaged to the second bone portion, wherein the first compound movable joint is rotatable about the strut axis.