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Means and method of pumping fluids, particularly biological fluids

  • US 5,129,789 A
  • Filed: 04/23/1990
  • Issued: 07/14/1992
  • Est. Priority Date: 04/23/1990
  • Status: Expired due to Fees
First Claim
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1. A method of pumping useable blood comprising:

  • connecting a useable blood inlet conduit and a useable blood outlet conduit to a length of magnetostrictive tubing having a longitudinal axis;

    keeping the length of magnetostrictive tubing under compression along its longitudinal axis; and

    imposing a pulsed electromagnetic field on the tubing to cause magnetostriction of the tubing and blood displacement in one direction.

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