NDLI: Forward-looking volumetric intracardiac imaging using a fully integrated CMUT ring array

Content Provider	IEEE Xplore Digital Library
Author	Nikoozadeh, A. Oralkan, O. Gencel, M. Jung Woo Choe Stephens, D.N. de la Rama, A. Chen, P. Thomenius, K. Dentinger, A. Wildes, D. Shivkumar, K. Mahajan, A. O'Donnell, M. Sahn, D. Khuri-Yakub, P.T.
Copyright Year	2009
Description	Author affiliation: Stanford University, USA (Nikoozadeh, A.; Oralkan, O.; Gencel, M.; Jung Woo Choe; Khuri-Yakub, P.T.) \|\| University of California, Los Angeles, USA (Shivkumar, K.; Mahajan, A.) \|\| University of Washington, USA (O'Donnell, M.) \|\| University of California, Davis, USA (Stephens, D.N.) \|\| St. Jude Medical, USA (de la Rama, A.; Chen, P.) \|\| General Electric Corporate Research & Development, USA (Thomenius, K.; Dentinger, A.; Wildes, D.) \|\| Oregon Health and Science University, USA (Sahn, D.)
Abstract	Atrial fibrillation is the most common type of cardiac arrhythmia that now affects over 2.2 million adults in the United States alone. Currently fluoroscopy is the most common method for guiding interventional electrophysiological procedures. We are developing a 9-F forward-looking intracardiac ultrasound catheter for real-time volumetric imaging. We designed and fabricated a 64-element 10-MHz CMUT ring array with through-wafer via interconnects. We also designed custom front-end electronics to be closely integrated with the CMUT array at the tip of the catheter for improved SNR. This integrated circuit (IC) is composed of preamplifiers and protection circuitry, and can directly interface a standard imaging system. This multi-channel IC is capable of passing up to ±50-V bipolar pulses. An 8-channel front-end IC was fabricated based on this circuit topology. Additionally, a flexible PCB was designed for the integration of ring array with front-end electronics. We have acquired a PC-based real-time imaging platform and demonstrated real-time imaging with the ring array. We have also shown volume images using off-line full synthetic aperture image reconstruction method. The presented experimental results demonstrate the performance of our forward-looking volumetric intracardiac imaging approach. We are currently working on the final catheter integration and further development of our real-time imaging methods.
Starting Page	511
Ending Page	514
File Size	1486607
Page Count	4
File Format	PDF
ISBN	9781424443895
ISSN	19485727
DOI	10.1109/ULTSYM.2009.5441600
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-20
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Catheters Ultrasonic imaging Optical imaging Coaxial cables Application specific integrated circuits Atrial fibrillation Integrated circuit interconnections Ultrasonic transducers Ice Radio frequency CMUT electrophysiology intracardiac echo real-time volumetric forward-looking ultrasound capacitive micromachined ultrasonic transducers
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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