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US 10,744,008 B2Granted
Stent
AssigneePENTAS Inc.
InventorMakoto Nishigishi
Life of this patent
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Abstract
A tip end portion of a strand forming a stent is rounded off. In a stent 10 formed by helicoidally braiding a plurality of strands 20, the tip end portion of each of the strands 20 is rounded off.
Claims7
A stent which is formed by helicoidally braiding a plurality of strands,
- wherein a tip end portion of each of the strands is rounded off, and
- a diameter of the tip end portion after rounding off is 1 to 1.5 times a diameter of the tip end portion before rounding off.
A stent stored in a storage tube, comprising:
- a plurality of strands being helicoidally braided;
- and
- the storage tube storing the plurality of strands,
- wherein a tip end portion of each of the strands is rounded off, and
- the tip end portion of the strand has an approximate spherical shape such that a diameter of the stent before expanding falls within a diameter to be stored in an inner diameter of the storage tube.
2 more elements
Dependencies are inferred from the claim text.