Patent ID: 8934974
Filing Date: 2015-01-13
Classification: A61N,H01R,Y10S,Y10T

Abstract:
1. An electrical contact for coupling to a contact ring on an implantable medical device, the electrical contact comprising: a housing with a pair of opposing sidewalls each with center openings oriented generally concentrically around a center axis, the housing including a recess with a recess diameter; an inner coil located in the recess with a coil axis generally parallel to the center axis of the center openings, the inner coil including an outer diameter that is smaller than the recess diameter, and an inner diameter that is larger than a center opening diameter; and an outer coil threaded onto the inner coil, the outer coil including an outer diameter that is smaller than the recess diameter, and an inner diameter smaller than the center opening diameter, wherein the outer coil is configured to radially expand within the recess to an expanded configuration in response to engagement with the contact ring on the implantable medical device, wherein the outer diameter of the outer coil in the expanded configuration is at least equal to the recess diameter.