Patent ID: 7867258

Claim:
An orthopedic implant apparatus comprising: a receiver member for receiving at least a part of a spinal rod, said receiver member having a lower opening and an internal chamber with a side wall defining an internal surface of said internal chamber, said receiver member further having at least one aperture in said side wall, and further including at least one friction member at least partially in at least one of said apertures, said friction member is comprised of a non-metallic elastomeric material; and an anchor member having a head portion defining an external surface and an anchor portion, said anchor member being movably connected to said receiver member with a portion of said external surface of said head portion abutting said internal surface of said receiver member, said head portion is comprised of a biocompatible material different from said elastomeric material and selected from the group consisting of a metallic material, a ceramic material and a hard plastic material, said non-metallic elastomeric material of said friction member abutting said external surface of said head portion so that unintended relative movement of said anchor member and said receiver member is substantially limited.