Patent ID: 9328741
Filing Date: 2016-05-03
CPC Classification: A61M,F04D,F04F

Claim Text:
1. A pump arrangement, comprising: a compressible rotor configured for use within a blood vessel; a sheath receiving the compressible rotor, the sheath bounding a flow passage and having a distal intake opening and a proximal outflow opening, the sheath comprising a first fluid-tight section including the distal intake opening and a second fluid-tight section including the proximal outflow opening, the compressible rotor being arranged in the first fluid-tight section, the second fluid-tight section enclosing at least a portion of the first fluid-tight section; and an inlet opening disposed between the first fluid-tight section and the second fluid-tight section, the first fluid-tight section and the second fluid-tight section being arranged such that the inlet opening opens into the flow passage proximal to the compressible rotor.