A luminal element configured to pass through a body cavity includes a luminal member (102) and a structural support (350) (eg, mesh or stent) having an opposing surface facing the surface of the luminal member. An outer member (200) disposed over at least a portion of the luminal member, the opposing surface includes at least one non-smooth surface portion, discontinuity, or non-uniformity, and the structural support includes a tube Between the cavity member and the outer member, the outer member at least partially sealing an adjacent surface of the lumen member sufficiently to withstand fluid pressure in a space surrounding the structural support, the lumen member being , Having a first flexibility within the area of the structural support and increasing the flexibility of the area of the structural support by removing at least a portion of the outer member from contact with the structural support. The flexibility of the luminal element can be varied. A method for the assembly of a luminal element is also disclosed.体腔を通過するように構成された管腔要素は、管腔部材（１０２）と、管腔部材の表面に面する対向面を有する構造支持体（３５０）（例えば、メッシュまたはステント）を伴って該管腔部材の少なくとも一部分にわたって配置された外側部材（２００）とを含み、対向面は、少なくとも１つの非平滑表面部分、不連続性、または非一様性を含み、構造支持体は、管腔部材と外側部材との間にあり、外側部材は、構造支持体の周囲の空間内の流体圧力に耐えるために十分に管腔部材の隣接表面を少なくとも部分的に密閉し、管腔部材は、構造支持体の面積内に第１の可撓性を有し、外側部材の少なくとも一部分を構造支持体との接触から外すことにより、構造支持体の面積の可撓性を増加させる。管腔要素の可撓性が変化され得る。管腔要素の組み立てのための方法もまた開示される。
