Patent ID: 8868210
Filing Date: 2014-10-21
Classification: A61B,A61N

Abstract:
1. An implantable medical lead assembly configured for fixing an electrode connected to the lead to tissue in a human body, the lead assembly comprising: a) an elongated lead body extending from a proximal lead portion to a distal lead portion, wherein the proximal lead portion is detachably connectable to an implantable medical device and wherein at least the distal lead portion has a first longitudinal, axis and a distal lead portion diameter aligned generally perpendicular to the first longitudinal axis; b) an electrical conductor disposed along at least part of the lead body; c) a lead head comprising an annular lead head sidewall having a sidewall thickness extending from a sidewall outer surface to a sidewall, inner surface surrounding an aperture in the lead head, the lead head aperture extending along a second longitudinal axis from a proximal lead head end to a distal lead head end providing a tissue contact surface, wherein the distal lead portion is connected to the lead head sidewall at an attachment point so that the first longitudinal axis of the distal lead portion is radially offset from the second longitudinal axis of the lead head aperture; and d) an electrode coupled to the lead head, the electrode configured to be fixedly secured to body tissue to conduct electricity from the electrical conductor to the body tissue, e) wherein the distal lead portion is movable at the attachment point to the lead head from a constrained position to an unconstrained position,