Apparatus for widening a stenosis in a body cavity

Details Apparatus for widening a stenosis in a body cavity Apparatus for widening a stenosis in a body cavity

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2079944

ABSTRACT An apparatus for widening a stenosis in a body cavity, such as an artery, in the bile duct, in the ureter, etc. is proposed, which in view of a problem-free, reliable and permanent widening of a stenosis is chara- cterized by a memory alloy part having a cylindrical jacket-shaped outer contour, said part radially widening at a transition temperature, which is above ambient temperature, but below body temperature, whilst maintaining a cylindrical outer contour and at a temperature below the transition temperature the diameter is smaller than that of the vessel.

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