Patent ID: 11890182
Assignee: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 6:
7. The covered stent according to claim 6, wherein the upright wave body comprises a second wave crest and a second wave trough, the second wave crest is further from the covered unit than the second wave trough, a distance between a vertex of the second wave crest and a plane where the periphery of the end portion of the covered unit close to the bare unit is H1, and a distance from a vertex of the first wave crest to the plane where the periphery of the end portion of the covered unit close to the bare unit is located is H2, where H2/H1 is more than or equal to 0.5 and less than or equal to 0.95.