Development of a High-Definition Intravascular Ultrasound Imaging System and Catheter

被引：8

作者：

Waters, Kendall R. ^{[1
]}

Bautista, Rick ^{[1
]}

Zelenka, Robert ^{[1
]}

Masters, Donald ^{[1
]}

Reynolds, J. Steve ^{[1
]}

Nelson, Steve ^{[1
]}

Lam, Duc H. ^{[1
]}

Neville, Ron ^{[1
]}

Moore, Thomas C. ^{[1
]}

机构：

[1] Silicon Valley Med Instruments Inc, Fremont, CA 94539 USA

来源：

2011 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2011年

关键词：

intravascular ultrasound; coronary heart disease; clinical;

D O I：

10.1109/ULTSYM.2011.0440

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have developed a high-frequency intravascular ultrasound (IVUS) system and catheter that is capable of imaging through a blood field at 40 MHz and 60 MHz. Representative transducers exhibit >50 MHz center frequency, >50 % fractional bandwidth, and a -20 dB pulse duration of <80 ns. A series of bench, ex vivo, non-clinical, and clinical studies demonstrate that benefits of the IVUS imaging system and catheter include improved spatial and contrast resolution. The 60 MHz IVUS images appear to enable improved detection of lipid-rich plaque and thrombus, which can potentially impact treatment decisions.

引用

页码：1762 / 1765

页数：4

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