Patent ID: 8500741

Claim:
A system for percutaneous pedicle screw extension alignment in an orthopedic patient, comprising: a plurality of percutaneous pedicle screw extensions configured to project a spine contour by extending from a plurality of pedicle screws; a plurality of alignment clamps positionable on the plurality of percutaneous pedicle screw extensions; a straightening rod comprising a length sufficient to extend between the plurality of percutaneous pedicle screw extensions and to be held in position by the plurality of alignment clamps; and an extension cap for the plurality of percutaneous pedicle screw extensions, the extension cap comprising: an extension cap body; a hollow interior formed in the extension cap body; an opening in an open end of the extension cap body and in communication with the hollow interior, wherein the opening enables at least partial receipt of the pedicle screw extension into the hollow interior; a tulip attached to the extension cap body and configured to receive a contouring rod therein; and an extension arm extending outwardly from a side wall of the extension cap body, the extension arm comprising a proximal end closer to the extension cap body than an opposite distal end; wherein placement of the plurality of alignment clamps over the plurality of percutaneous pedicle screw extensions and insertion of the straightening rod through the rod receptacles provides parallel vertical alignment of the plurality of percutaneous pedicle screw extensions.