Membrane-Covered Stent
AssigneeLifetech Scientific (Shenzhen) Co., Ltd.
InventorBenhao Xiao
Life of this patent
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Abstract
A membrane-covered stent (100), including a first stent (110), a second stent (120) and a covering membrane (130); the covering membrane (130) is covered on the first stent (110) so as to form a lumen structure having a recess (140) in a middle portion; the second stent (120) is at least partially accommodated in the recess (140); and a longitudinal central axis (I-I) of the first stent (110) is parallel or substantially parallel to a longitudinal central axis (II-II) of the second stent (120). The membrane-covered stent (100) can prevent or delay a bottom surface (140a) of the recess (140) from being attached to an opening of a branch vessel (101).
Claims15
A membrane-covered stent, comprising a first stent, a second stent and a covering membrane, wherein the covering membrane is covered on the first stent to form a lumen structure provided with a recess in the middle portion;
- the second stent is at least partially accommodated in the recess;
- and a longitudinal central axis of the first stent is parallel or substantially parallel to a longitudinal central axis of the second stent.
Dependencies are inferred from the claim text.