Patent ID: 7771430
Filing Date: 2010-08-10
Classification: A61B

Abstract:
1. A novel rod reducing device for use in positioning a connecting rod into position in the head of a bone screw, the device comprising: a housing having a first end and a second end and a lumen defined by said housing and communicating between said first end and said second end; a slidable sleeve having a first end and a second end, said sleeve being circumferentially disposed around at least a lower portion of said housing and terminating at said second end in a connecting rod driving member; a biasing element compartment containing a biasing element, said biasing element compartment defined between a portion of said sleeve and an adjacent portion of said housing; an actuation lever pivotally connected to said housing and operationally connected to said sleeve by a pivotal connection to a first end of a force transfer arm, which is connected at a second end to said sleeve; whereby the device is capable of transferring the force from said actuation lever and the force transfer arm to effect the slidable movement of the sleeve downward along the outside of the housing to a position where said connecting rod driving member is capable of contacting and forcing a rod downward into position in the head of a bone screw.