Use of A-mode echography for monitoring the position of a patien

Details Use of A-mode echography for monitoring the position of a patien Use of A-mode echography for monitoring the position of a patien

1995-05-26

1998-02-24

Lateef, Marvin M.

Surgery

Truss

Pad

12866206, A61B 800

Patent

active

057202869

ABSTRACT:
An A-mode ultrasound echography method is employed for monitoring the position of a patient during hyperthermia treatment. A therapy apparatus includes a therapy device having at least one ultrasound therapy transducer and at least one monitoring ultrasound transducer, where the ultrasound monitoring transducer is linked to an electronic circuit for processing A-mode signals and is part of an A-mode echography device. The therapy apparatus further includes a device for causing the ultrasound transducer operating in A-mode to transmit a brief signal and to receive the echo of the brief signal. A comparing device compares the echo received with a reference echo, and transmits the result of the comparison to a control device.

REFERENCES:
patent: 4819621 (1989-04-01), Ueberle et al.
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patent: 5036855 (1991-08-01), Fry et al.
IEEE Transactions on Sonics and Ultrasonics, Ultrasonic Hyperthermia for Ophthalmic Therapy, vol. 31, No. 5, Sep. 1984, pp. 473-481. Rapport De Recherche Preliminaire (Completion date Jan. 23, 1995).
International Search Report (Completion date Apr. 14, 1993).
International Search Report (Completion date Jul. 23, 1991).
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