Intravascular blood pump
AssigneeEcp Entwicklungsgesellschaft Mbh
InventorsDennis Skrzypczak, Robert Decke, Reiner Liebing
Life of this patent
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Abstract
An intravascular blood pump (1) comprises a catheter (5), a rotor (10), a housing (11) in which the rotor (10) is housed and a flexible drive shaft (12) extending through the catheter (5) and connected to the rotor. The drive shaft (12) comprises at least one outer layer (28) and at least one inner layer (29). The drive shaft (12) is rotatably supported in a proximal bearing (13) located proximally of the rotor (10). The outer layer (28) of the drive shaft (12) is absent or thinned at a location where the drive shaft (12) is supported in the proximal bearing (13).
Claims18
An intravascular blood pump, comprising:
- a catheter;
- a housing in which a rotor is housed, the housing being attached to a distal end of the catheter;
- and
- a flexible drive shaft extending through the catheter and connected to the rotor, said drive shaft comprising at least one outer layer and at least one inner layer,
- wherein the drive shaft is rotatably supported in a proximal bearing located proximally of the rotor and wherein the at least one outer layer of the drive shaft is reduced at a location where the drive shaft is supported in the proximal bearing.
Dependencies are inferred from the claim text.