Lateral Decubitus Alignment Guide, Non Sterile; manual surgical instrument. The MIS Hip Acetabular instrument set includes the curved positioner/impactor, supine alignment guide, and decubitus alignment guide. || Catalog No. 1440-1370 || Howmedica Osteonics Corp., 325 Corporate Drive, Mahwah, NJ 07430. || Authorized Representative in Europe: Stryker France, Cedex France. || The correct position of the cup relative to the pelvic reference planes can be achieved by the use of the alignment guide.