US 9,808,361 B2
Medical device fixation anchor having improved compaction and delivery
Edward E. Shaw, Flagstaff, AZ (US)
Assigned to W. L. Gore & Associates, Inc., Newark, DE (US)
Filed by Edward E. Shaw, Flagstaff, AZ (US)
Filed on Jun. 17, 2010, as Appl. No. 12/817,230.
Claims priority of provisional application 61/187,688, filed on Jun. 17, 2009.
Prior Publication US 2010/0324584 A1, Dec. 23, 2010
Int. Cl. A61F 2/82 (2013.01); A61F 2/86 (2013.01); A61F 2/848 (2013.01)
CPC A61F 2/86 (2013.01) [A61F 2002/8483 (2013.01); A61F 2220/0016 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A medical device including an anchor having an expanded state and a constrained state, the anchor comprising:
a device attachment portion for coupling to a medical device,
a barb portion, and
a compression bearing portion positioned between the device attachment portion and the barb portion,
wherein in the constrained state, the compression bearing portion adopts a first non-linear configuration and effects a separation between the barb portion and a constraining member, and
wherein in the expanded state, the compression bearing portion adopts a second non-linear configuration and the barb portion is adapted to penetrate a vessel wall.