Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 18, 2022
Patent Application Number
16957871
Date Filed
December 11, 2018
Patent Citations
Patent Primary Examiner
A stent graft comprises a plurality of wavy rings sequentially arranged in a spaced manner, and membranes fixed to the plurality of wavy rings, wherein the stent graft comprises, in a circumferential direction, at least one keel region and a non-keel region connected to the keel region, the keel region having an axial shortening rate that is less than that of the non-keel region, and the axial shortening rate of the keel region is 10-40%. The stent graft can be bent in all directions, and the keel region on the stent graft can provide a sufficient amount of an axial support force for the stent.
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