IMPLANTABLE PUMP WITH TAPERED DIFFUSER REGION

摘要

A blood pump, such as an axial flow pump, having a pump housing, the pump housing defining a flow path and having a tapered portion adjacent to an outlet, tapering toward the outlet, an outflow cannula connected to the outlet of the pump housing, and an impeller and diffuser, disposed in the pump housing, the diffuser having a tapered body corresponding to the tapered portion of the pump housing, the diffuser body having at least one vane extending therefrom, the vein tapering in the same direction as the diffuser body. The present invention also includes a method of manufacturing the blood pump and a method of implanting the blood pump.

主权项

1. An implantable blood pump, comprising:
a housing having an intake end and an outflow end; a cannulated tip extending from an outflow end of the housing; an impeller disposed in the housing; and a diffuser disposed in the housing, the diffuser including a tapered body.