A blood pump according to the present invention comprises a fixed side sliding member having an annular first sliding surface, a rotating side sliding member having an annular second sliding surface, a fixed side sliding member and a rotary side sliding member , And a liquid passage chamber located on the inner peripheral side of the stationary slide member and the rotary slide member, wherein the first slide surface and the second slide surface A blood pump which is used in a state of being in contact with and while using a predetermined liquid to pass through a liquid passage chamber, the blood pump being in close proximity to at least one of a first sliding surface and a second sliding surface from an inner circumferential side And a fixing base removing member 60 having protrusions 62 and 63 and a support base 64 for supporting the protrusions 62 and 63. According to the blood pump of the present invention, it is possible to suppress the prevention of the predetermined liquid flow suddenly.本発明の血液ポンプは、環状の第1摺動面を有する固定側摺動部材と、環状の第2摺動面を有する回転側摺動部材と、固定側摺動部材及び回転側摺動部材の外周側に位置する血液ポンプ室と、固定側摺動部材及び回転側摺動部材の内周側に位置する液体通過室とを備え、第1摺動面と第2摺動面とを当接させた状態で、かつ、液体通過室に所定の液体を通過させながら使用する血液ポンプであって、第1摺動面及び第2摺動面の少なくとも一方に対して内周側から近接する突起62,63と突起62,63を支持する支持基部64とを有する固着物除去部材60を、さらに備えることを特徴とする。 本発明の血液ポンプによれば、所定の液体の流れが急に妨げられるのを抑制することが可能となる。
