Reverse Shoulder Prosthesis Stem Impaction Fixture REF 804-03-053 || The Turon and RSP Impaction Fixtures are used in the operating room on the back table to assemble the shoulder systems for implant. The Turon Fixture is used to connect the Humeral Head to the Humeral Neck, then subsequently to assemble the Humeral Stem to the Head/Neck construct. The RSP Fixture is used to assemble the UHMWPE Socket Inserts to both the RSP Socket Shells and Monoblock Stems.