A Novel Ultrasound Thermometry Method Based on Thermal Strain and Short and Constant Acoustic Bursts: Preliminary Study in Phantoms

被引：0

作者：

Gachouch, Omar ^{[1
,2
,3
]}

Giammarinaro, Bruno ^{[1
,2
,3
]}

Kangot, Teymour ^{[1
,2
,3
]}

Monini, Caterina ^{[1
,2
,3
]}

Souchon, Remi ^{[1
,2
,3
]}

机构：

[1] INSERM, LabTAU, F-69003 Lyon, France

[2] Ctr Leon Berard, F-69003 Lyon, France

[3] Univ Lyon 1, F-69003 Lyon, France

来源：

SENSORS | 2025年 / 25卷 / 02期

关键词：

temperature; HIFU; thermometry; therapeutic ultrasound; INTENSITY FOCUSED ULTRASOUND; NONINVASIVE TEMPERATURE ESTIMATION; PROPAGATION SPEED; ECHO-SHIFTS; TISSUE; LESIONS; HIFU; ATTENUATION; DEPENDENCE; THERAPY;

D O I：

10.3390/s25020385

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In the field of ultrasound therapy, the estimation of temperature to monitor treatments is becoming essential. We hypothesize that it is possible to measure temperature directly using a constant acoustic power burst. Under the assumption that the acoustic attenuation does not change significantly with temperature, the thermal strain induced by such bursts presents a linear relation with temperature. A mathematical demonstration is given in the introduction. Then, simulations of ultrasound waves in a canine liver model were conducted at different temperatures (from 20 degrees C to 90 degrees C). Finally, experimental measurements on phantom samples were performed over the same temperature range. The simulation and experimental results both showed a linear relation between thermal strain and temperature. This relation may suggest the foundation of a new ultrasound-based thermometry method. The potential and limitations of the method are discussed.

引用

页数：17