Patent ID: 9131966
Filing Date: 2015-09-15
Classification: A61B

Abstract:
1. A vertebral manipulation instrument comprising: a connecting rod that is elongate along a longitudinal direction, the connecting rod defining a first plurality of adjustment locations and a second plurality of adjustment locations; a first arm supported by the connecting rod and oriented substantially transverse to the connecting rod, the first arm configured to engage a first bone fixation member; a second arm supported by the connecting rod and oriented substantially transverse to the connecting rod, the second arm configured to engage a second bone fixation member, a coarse adjustment assembly that is configured to be actuated so as to move the first arm from a first one of the first plurality of adjustment locations to a second one of the first plurality of adjustment locations that is disposed adjacent the first one of the first plurality of adjustment locations, and lock the first arm with respect to movement from the second one of the first plurality of adjustment locations, the first one of the first plurality of adjustment locations spaced a first distance from the second one of the adjustment locations along the longitudinal direction; and a fine adjustment assembly that is configured to be actuated so as to move the second arm from a first one of the second plurality of adjustment locations to a second one of the second plurality of adjustment locations that is spaced a second distance from the first one of the second plurality of adjustment locations a second distance along the longitudinal direction, the second distance less than the first distance.