Probe having a giant magnetostrictive material for organism diag

Details Probe having a giant magnetostrictive material for organism diag Probe having a giant magnetostrictive material for organism diag

1992-09-01

1994-01-11

Jaworski, Francis

Surgery

Truss

Pad

73575, A61B 510

Patent

active

052772004

ABSTRACT:
A probe has a vibration excitor including a core member made of a giant magnetostrictive material and magnetic field generation means for generating an alternating magnetic field having a randomly varying frequency to thereby expand and compress the core member to generate random vibration therein, and an impedance head for detecting an acceleration of the random vibration and a vibration stress created in organism tissue vibrated by the vibration excitor and generating electrical signals proportional thereto. A viscoelasticity measurement device using the above probe for the organism tissue is also disclosed.

REFERENCES:
patent: 4754763 (1988-07-01), Doemland
patent: 4771792 (1988-09-01), Seale
patent: 4819753 (1989-04-01), Higo et al.
patent: 5195532 (1993-03-01), Schumacher et al.

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