Method of abdominal ultrasound imaging

Details Method of abdominal ultrasound imaging Method of abdominal ultrasound imaging

1991-05-28

1993-01-19

Jaworski, Francis

Surgery

Truss

Pad

424 11, A61B 800

Patent

active

051799553

ABSTRACT:
Abdominal ultrasound imaging is carried out by oral or rectal administration of an aqueous imaging agent containing micron size clay particles together with a sufficient amount of a solubilized hydrocolloid to maintain the particles in suspension. The walls of the stomach, duodenum and colon become coated with the clay particles and are thereby more clearly delineated by the ultrasonic imaging beam. At the same time, ultrasonic waves partially pass through the walls and delineate structures outside thereof. Wall delineation and wall transparency can thereby be simultaneously achieved.

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patent: 4774958 (1988-10-01), Feinstein
patent: 4957656 (1990-09-01), Cerny et al.
Madsen, E. L. et al "Tissue Mimicking Materials for Ultrasound Phantoms" Med. Physics 5(5) Sep.-Oct. 1978, pp. 391-394.
Sommer, F. G. et al "A Phantom For Imaging Biological Fluids" UTS in Med & Biol. vol. 6 No. 2 pp. 135-140 (1980).
Ophir et al., Ultrasound in Med. & Biol., (1989), 15:319-333.
Parker et al., Ultrasound in Med. & Biol.(1987), 13:555-566.

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