Organism simulative phantom

Details Organism simulative phantom Organism simulative phantom

Filed on

2011-05-17

Date issued

2011-05-17

Examiner

Ruthkosky, Mark (Department: 1783)

Patent Class

Stock material or miscellaneous articles

SubClass

Structurally defined web or sheet

SubSubClass

Including components having same physical characteristic in...

Other Related Categories

C434S267000, C434S273000

Type

Reexamination Certificate

Status

active

Patent number

07943231

Description

ABSTRACT:
Provided is a tissue mimicking phantom technology capable of controlling an ultrasonic echo intensity and hardness and offering excellent stability. A tissue mimicking phantom includes a first portion and a second portion which is incorporated in the first portion and whose hardness and/or ultrasonic echo intensity is different from that of the first portion. The first portion and second portion are gel structures that are formed with a covalent bond of macromolecular strands or a chemical bond that is as strong as the covalent bond. The gel structure has a solid scatterer (for example, metal-oxide microparticles) dispersed therein. The first portion and second portion exhibit mutually different hardness levels and ultrasonic echo intensities.

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Negron L.A., et al., Development and Characterization of a Vitreous Mimicking Material for Radiation Force Imaging. IEEE Trans Ultrason Ferroelectr Freq control, 2004. 11, pp. 1543 to 1551.
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Yasuharu Waki, et al., “Real-time Tissue Elastography Yo Phantom no Kaihatsu”, Journal of Medical Ultrasonics, Apr. 15, 2004, p. S112.
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Ken-ichi Kawabata, et al., Tissue Mimicking Phantom for Ultrasonic Elastography With Finely Adjustable Elastic and Echographic Properties; 2004 IEEE Ultrasonic Symposium, p. 1502-1505.

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