Blood pump

Abstract

The present invention relates to a blood pump, in particular intravascular blood pump. The blood pump comprises a pump housing having a blood flow inlet and a blood flow outlet connected by a passage, an impeller disposed in said pump housing, a drive unit configured to drive the impeller, and a bearing arrangement rotatably supporting the impeller. The bearing arrangement comprises at least one bearing comprising a first bearing member and a second bearing member, wherein the first bearing member comprises a first abutment portion and the second bearing member comprises a second abutment portion, wherein the first abutment portion comprises a first ceramic material or is composed of a first ceramic material and/or wherein the second abutment portion comprises a second ceramic material or is composed of a second ceramic material.

Dependencies are inferred from the claim text.