Design of a driver IC for an ultrasound catheter ablation system

Bozkurt, Ayhan and Farhanieh, Omid and Bardhan Roy, Rupak and Ergün, Arif Sanli (2014) Design of a driver IC for an ultrasound catheter ablation system. In: IEEE International Ultrasonics Symposium (IUS 2014), Chicago, IL

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High Intensity Focused Ultrasound (HIFU) is generally administered externally, or through body orifices such as the esophagus, the urethra, the uterus, or the rectum. The devices used in conventional treatment are not suitable to be used in endoscopic interventions or in intravascular catheterization due to their dimensions. This paper presents the design of a drive integrated circuit for driving a CMUT therapy array of 2 mm diameter such that whole device fit through key holes in endoscopic treatment or through vessels. The proposed ASIC is composed of (1) an 8 channel drive signal generator, (2) 8 high voltage drivers, and (3) a PLL for the local generation of a high frequency tunable master clock signal based on a low frequency reference. All designs are in austriamicrosystems h35 High-Voltage CMOS technology with 1.3×3 mm2 die area including ESD protection pads.
Item Type: Papers in Conference Proceedings
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering and Natural Sciences > Academic programs > Electronics
Faculty of Engineering and Natural Sciences
Depositing User: Ayhan Bozkurt
Date Deposited: 23 Dec 2014 15:14
Last Modified: 26 Apr 2022 09:16

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