| http://www.w3.org/ns/prov#value | - viding the balloon into a pair of opposed lobes merging coextensively with the distal end of said body portion, said means including a pair of openings in said balloon extending distally from the proximal margin of said thimble-shaped balloon in registration with the drainage eyes and hermatically sealing means joining the proximal marginal portion of the balloon along the entire periphery thereof
|
