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Cardiac support device

  • US 5,851,174 A
  • Filed: 09/17/1996
  • Issued: 12/22/1998
  • Est. Priority Date: 09/17/1996
  • Status: Expired due to Term
First Claim
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1. An apparatus for pumping blood, which comprises:

  • a) an elongated housing adapted to be at least partially positioned within the heart of a patient, the elongated housing including an outer wall having first and second ends and defining a longitudinal axis, the elongated housing having at least a first inlet port for permitting blood to enter the elongated housing through the first end of the elongated housing and at least a second inlet port defined in the outer wall of the elongated housing and being axially displaced from the first inlet port for permitting blood to enter through the outer wall, the second end of the elongated housing being open to define an axial outlet opening to permit the blood to exit the elongated housing;

    b) a rotating member supported for rotational movement within the elongated housing and rotatable to impart pumping energy to the blood entering through the first and second inlet ports to direct the blood through the outlet opening of the elongated housing; and

    c) a motor unit contained within the elongated housing for imparting rotational movement to the rotating member.

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