The purpose of the present invention is to provide a stent for a prosthetic valve and a stent-equipped prosthetic valve, with which a prosthetic valve can be indwelled in a stable state inside a body. A stent-equipped prosthetic valve (10) is provided with a stent (11), and a valve forming part (12) held by the stent (11). The stent (11) is provided with: a plurality of column parts (14) which extend in an axial direction, and which are provided at a prescribed spacing in a peripheral direction and coupling parts (15) with which adjacent column parts (14) in the peripheral direction are coupled to each other. The column parts (14) are each provided with: a pair of column members (17) which extend in the axial direction, and which are provided side by side in the peripheral direction and a plurality of joining members (18) which join each of the column members (17) to the other. Different coupling parts (15) are coupled to each of the pair of column members (17) in the peripheral direction. The plurality of joining members (18) include: first oblique joining members (18a) which extend obliquely with respect to the axial direction second oblique joining members (18b) which extend obliquely with respect to the axial direction towards an opposite side to that of the first oblique joining members (18a) and orthogonal joining members (18c) which extend in a direction orthogonal with respect to the axial direction.La présente invention concerne une endoprothèse pour une valve prosthétique et une valve prosthétique équipée dune endoprothèse, avec laquelle une valve prosthétique peut être installée dans un état stable à lintérieur dun corps. Une valve prosthétique équipée dune endoprothèse (10) est pourvue dune endoprothèse (11), et dune partie formant valve (12) maintenue par lendoprothèse (11). Lendoprothèse (11) est pourvue de : une pluralité de parties de colonne (14) qui sétendent dans une direction axiale, et qui sont disposées à un espacement prescrit dans une directi