Means and method of pumping fluids, particularly biological flui

Details Means and method of pumping fluids, particularly biological flui Means and method of pumping fluids, particularly biological flui

1990-04-23

1992-07-14

Michalsky, Gerald A.

Pumps

Processes

417322, 417410, 600 16, 623 3, F04B 4308, F04B 3500

Patent

active

051297892

ABSTRACT:
A system for pumping of fluids, particularly biological fluids such as blood, including a tubular length of magnetostrictive material. One-way valves are positioned generally in opposite ends of the tubular material. Fluid flow conduits are connected to the opposite ends of the tubular material. A magnetic field is imposed, generally by an electric coil, in a pulsed fashion to the tubular material to cause alternatingly magnetostriction and relaxation of the tubular material. This causes a reciprocating variation in the distance between the one-way valves which oppositely are opened and closed to produce a pumping action through the tubular material.

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patent: 4731076 (1988-03-01), Noon et al.
patent: 4795317 (1989-01-01), Cusack
patent: 4795318 (1989-01-01), Cusack
patent: 4804314 (1989-02-01), Cusack
patent: 4815946 (1989-03-01), Cusack
patent: 4917579 (1990-04-01), Torma

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