Patent ID: 8321028

Claim:
An impact resistant implantable antenna coil assembly, comprising: an antenna coil having at least one turn of wire; a non-orthogonal force absorbing reinforcement positioned adjacent to the wire and anchored to an attachment; and a flexible polymer encapsulant encapsulating the antenna coil and the reinforcements; wherein: the non-orthogonal force absorbing reinforcement comprises a jacket of fibers of a polymeric material receiving the wire; the jacketed wire is within a lumen of a polymeric tube within the flexible polymer encapsulant; ends of the wire comprise slack, the slack allowing axial movement of the wire with respect to the flexible polymer encapsulant in response to non-orthogonal impact forces applied to the coil assembly; and fibers of the reinforcement are secured within the attachment against axial movement of the reinforcement with respect to the flexible polymer encapsulant in response to non-orthogonal impact forces applied to the coil assembly.