| http://www.w3.org/ns/prov#value | - U.S. Pat. No. 4,747,405, issued to Leckrone on May 31, 1988, U.S. Pat. No. 4,669,469, issued Jun. 2, 1987 to Gifford, III, et al., and PCT/U.S. 86/02617 application of Leckrone, published Jun. 16, 1988 are each concerned with atherecotomy devices wherein a balloon is used to position an opening in a casing about an obstruction such as plaque.
|
