A stent of the present invention includes a tubular body having a helical-like ridge along at least a portion of its outer wall for expelling masses within a body passage. The helical-like ridge includes a smooth, convex superior surface having a beveled central portion, and a concave inferior surface.
申请公布号
DE69221877(T2)
申请公布日期
1998.03.12
申请号
DE1992621877T
申请日期
1992.07.24
申请人
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, OAKLAND, CALIF., US
发明人
PHAN, CU, NGOC, SAN FRANCISCO, CA 94116, US;STOLLER, MARSHALL, L., SAN FRANCISCO, CA 94116, US
