An anchor for an implantable medical device, for example, and implantable physiologic sensor, includes a proximal hub portion, an intermediate portion extending radially and distally from the hub portion, and a distal portion extending distally from the proximal portion and adapted to engage an inner...http://www.google.ca/patents/US8057399?utm_source=gb-gplus-sharePatent US8057399 - Anchor for an implantable sensor
