A Pulsatile flow phantom for image-guided HIFU hemostasis of blood vessels

被引：0
|
作者：
Greaby, R [1 ]
Vaezy, S [1 ]
机构：
[1] Appl Phys Lab, Ctr Ind & Med Ultrasound, Seattle, WA 98195 USA
来源：
4th International Symposium on Therapeutic Ultrasound | 2005年 / 754卷
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A pulsatile flow phantom for studying ultrasound image-guided acoustic hemostasis in a controlled environment has been developed. An ex vivo porcine carotid artery was attached to the phantom and embedded in a visually and ultrasonically transparent gel. Heparinized porcine blood was pumped through the phantom. Power-Doppler and B-mode ultrasound were used to remotely target the HIFU focus to the site of a needle puncture. In nine trials, complete hemostasis was achieved after an average HIFU application of 55 +/- 34 seconds. The vessels remained patent after treatment. With this phantom, it will be possible to do controlled studies of ultrasound image-guided acoustic hemostasis.
引用
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页码：68 / 70
页数：3
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