Stone expulsion stent

Details Stone expulsion stent Stone expulsion stent

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61B 17/22 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2114019

A scent (1) of the present invention includes a tubular body (10) having a helical-like ridge (25) along at least a portion of its outer wall for expelling masses within a body passage. The helical-like ridge (25) includes a smooth, convex superior surface (27) having a beveled central portion, and a concave inferior surface (28).

L'extenseur (1) décrit par l'invention comprend un corps tubulaire (10) pourvu d'une nervure hélicoïdale (25) s'étendant sur au moins une partie de sa paroi extérieure, afin d'expulser des massess se trouvant à l'intérieur d'un canal corporel. Ladite nervure hélicoïdale (25) comprend une surface supérieure lisse et convexe (27) pourvue d'une partie centrale en biseau, ainsi qu'une surface inférieure concave (28).

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