NDLI: An open system for intravascular ultrasound imaging

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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control - cover

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Electrical properties and impedance spectroscopy of pure and copper-oxide-added potassium sodium niobate ceramics

Power enhancement of piezoelectric transformers by adding heat transfer equipment

Active suppression of a beam under a moving mass using a pointwise fiber bragg grating displacement sensing system

Optimizing frequency and pulse shape for ultrasound current source density imaging

Intravascular ultrasound catheter to enhance microbubble-based drug delivery via acoustic radiation force

Real-time 1-D/2-D transient elastography on a standard ultrasound scanner using mechanically induced vibration

Applying Thomson's multitaper approach to reduce speckle in medical ultrasound imaging

Ultrasound time-reversal MUSIC imaging with diffraction and attenuation compensation

An open system for intravascular ultrasound imaging

Aberration compensation of an ultrasound imaging instrument with a reduced number of channels

Scale transform signal processing for optimal ultrasonic temperature compensation

Narrowband ultrasonic detection with high range resolution: separating echoes via compressed sensing and singular value decomposition

A polyimide-etalon thin film structure for all-optical high-frequency ultrasound transduction

Acoustically coupled thickness-mode AIN-on-Si band-pass filters-part I: principle and devices

Acoustically coupled thickness-mode AIN-on-Si band-pass filters-Part II: simulation and analysis

The fifth-order overtone vibrations of quartz crystal plates with corrected higher-order mindlin plate equations

Modeling the measurement of ultrasonic beams transmitted through a penetrable acoustic cone

Bragg waveguide ultrasound detectors

Crosstalk reduction for high-frequency linear-array ultrasound transducers using 1-3 piezocomposites with pseudo-random pillars

Thin-film sparse boundary array design for passive acoustic mapping during ultrasound therapy

Calculation of the dispersive characteristics of acoustic waves in piezoelectric layered structures under the effect of DC electric field [Correspondence]

Nondestructive testing ultrasonic immersion probe assessment and uncertainty evaluation according to EN 12668-2:2010

Interaction of an acoustical Quasi-Gaussian beam with a rigid sphere: linear axial scattering, instantaneous force, and time-averaged radiation force [Correspondence]

Correction factors of the mindlin plate equations with the consideration of electrodes [Correspondence]

Laser detection of ultrasonic waves with concave portions of the wave fronts

New acoustic plate modes with Quasi-Linear polarizations

Correction to improvement of low-frequency characteristics of piezoelectric speakers based on acoustic diaphragms [Sep 12 2027-2035]

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An open system for intravascular ultrasound imaging

Content Provider	IEEE Xplore Digital Library
Author	Weibao Qiu Yan Chen Xiang Li Yanyan Yu Wang Fai Cheng Fu Keung Tsang Qifa Zhou Shung, K.K. Jiyan Dai Lei Sun
Copyright Year	1986
Abstract	Visualization of the blood vessels can provide valuable morphological information for diagnosis and therapy strategies for cardiovascular disease. Intravascular ultrasound (IVUS) is able to delineate internal structures of vessel wall with fine spatial resolution. However, the developed IVUS is insufficient to identify the fibrous cap thickness and tissue composition of atherosclerotic lesions. Novel imaging strategies have been proposed, such as increasing the center frequency of ultrasound or using a modulated excitation technique to improve the accuracy of diagnosis. Dual-mode tomography combining IVUS with optical tomography has also been developed to determine tissue morphology and characteristics. The implementation of these new imaging methods requires an open system that allows users to customize the system for various studies. This paper presents the development of an IVUS system that has open structures to support various imaging strategies. The system design is based on electronic components and printed circuit board, and provides reconfigurable hardware implementation, programmable image processing algorithms, flexible imaging control, and raw RF data acquisition. In addition, the proposed IVUS system utilized a miniaturized ultrasound transducer constructed using PMNPT single crystal for better piezoelectric constant and electromechanical coupling coefficient than traditional lead zirconate titanate (PZT) ceramics. Testing results showed that the IVUS system could offer a minimum detectable signal of 25 μV, allowing a 51 dB dynamic range at 47 dB gain, with a frequency range from 20 to 80 MHz. Finally, phantom imaging, in vitro IVUS vessel imaging, and multimodality imaging with photoacoustics were conducted to demonstrate the performance of the open system.
File Size	798079
File Format	PDF
ISSN	08853010
Volume Number	59
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Imaging Ultrasonic imaging Catheters Field programmable gate arrays Transducers Receivers Open systems
Content Type	Text
Resource Type	Article
Subject	Acoustics and Ultrasonics Instrumentation Electrical and Electronic Engineering

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