Patent ID: 6216044
Filing Date: 2001-04-10
Classification: A61B

Abstract:
A medical device, comprising:a sheath including a distal end and a lumen; andan expandable-collapsible assembly, the sheath and the assembly moveable relative to each other to achieve a collapsed position in which the assembly is collapsed within the lumen of the sheath and another position in which the assembly extends from the distal end of the sheath and is expanded, the assembly includinga distal hub including a circumferential periphery, anda plurality of spline elements radiating from the periphery of the hub,wherein the hub and spline elements are formed from a single sheet of material, and the hub and spline elements form a contoured surface that extends along an arc from one spline element across the hub to another spline element when the assembly extends from the distal end of the sheath and is expanded.