Live Volumetric Ultrasound Imaging
Live volumetric imaging (LVI)® is a breakthrough ultrasound transducer technology that enables catheter-based real-time 3D intracardiac echo (ICE) imaging. The LVI catheter uniquely provides the combined desired features of full volume ultrasound imaging with high frame rate, deep scan depth, and good resolution. The goal is to enable better image guidance to improve accuracy and reduce risk for cardiac transcatheter interventional therapies that are done today with limited direct visualization of the endocardial tissue.
LVI's enabling technology is its integrated piezoelectric micromachined ultrasound transducer (pMUT), a breakthrough advance in ultrasound transducer manufacturing and miniaturization. Full matrix phased array transducers are fabricated using semiconductor microelectromechanical systems (MEMS) manufacturing techniques, providing a more manufacturable, lower cost approach to produce the miniaturized matrix phased arrays necessary for catheter-based real-time 3D ultrasound imaging.
Read our news release about RTI winning a Cardiovascular Innovation Award at the 2013 Cardiovascular Research Technologies Annual Symposium.
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Real-Time 3D Image Guidance Using the RTI-Developed LVI Intracardiac Echo Catheter
April 18, 2013: Los Angeles, CA
11th Annual Ultrasonic Transducer Engineering Conference
March 11, 2013: San Francisco, CA
American College of Cardiology Scientific Sessions
February 26, 2013: Washington, DC
Cardiovascular Research Technologies (CRT) 2013
October 30, 2012: Minneapolis, MN
MedTech Cardio, an MD&M Conference
- Theory and operation of 2-D array piezoelectric micromachined ultrasound transducers (paper)
- Improved pulse-echo imaging performance for flexure-mode pMUT arrays (paper)
- Real-time 3D intracardiac echo of the mitral valve using a novel live volumetric imaging catheter (journal article)
- Live Volumetric Imaging (LVI)® (brochure)
- Live Volumetric Imaging Catheter for Intracardiac Echo (poster)