Ultrasound Poroelastic Tissue Typing

• 作者: Antonio Lanatà Bruna Vinci Piero Chiarelli Simone Chiarelli Valeria Gismondi
• 来源期刊: 声学期刊(英文)
• 学科: 医学
• 关键词: ULTRASOUND Bi-Phasic Model of LIVING TISSUES NON-INVASIVE ULTRASOUND Assessment POROELASTIC ULTRASOUNDS in Soft TISSUES
• 年，卷（期）: 2011,（3）
• 页码范围: 55-62
• 页数: 8页
• 分类号: R73

摘要

Employing the poroelastic theory of acoustic waves in gels, the ultrasound (US) propagation in a gel medium filled by poroelastic spherical cells is studied. The equation of fast compressional wave, the phase velocity and the attenuation as a function of the elasticity, porosity and concentration of the cells into the gel matrix are investigated. The outcomes of the theory agree with the preliminary measurements done on PVA gel scaffolds inseminated by porcine liver cells at various concentrations. The feasibility of a non-invasive technique for the health assessment of soft biological tissues steaming by the model is analyzed.