Importance

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Abstract

A medical device configured to be positioned in a living body lumen, the medical device including: a rotatable shaft possessing distal and proximal portions; a plurality of struts that extend along a central axis of the rotatable shaft and arranged around the central axis with an interval, the plurality of struts having a distal end and a proximal end, and each of the plurality of struts bridging between the distal end and the proximal end; the plurality of struts being deformable in correspondence with two states, the two states being a contraction state and an expansion state; in the contraction state, the distal end and the proximal end of the plurality of struts are most distant in the axial direction; and in the expansion state, the distal end and the proximal end of the plurality of struts are brought closer in the axial direction.

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First Claim