News | November 06, 2009

Avo Photonics, Case Western Develop OCT Forward Imaging Catheter for Ablations

November 6, 2009 – Nearly 4 million people nationwide suffer from cardiac arrhythmias each year, according to the 2006 U.S. Cardiac Rhythm Management Market report by Frost and Sullivan. About 2.5 million of these cases cannot be treated or controlled through medication alone. Since pharmacological therapies have limited effectiveness, radiofrequency (RF) catheter ablation has emerged as the prominent approach for treating a broad range of arrhythmias. However, during the procedure physicians have no direct visualization of intra-cardiac structures, nor do they have a means to measure successful lesions.

Recognizing this problem, researchers at Case Western Reserve University began a research program in 2008 to build an imaging catheter that would allow surgeons to monitor treatment and visualize intra-cardiac structures. The researchers selected Avo Photonics Inc., of Horsham, Pa., for a phase one design contract. The contract was awarded in September 2008. Avo’s rapid design effort provided a pathway for a subsequent October 2008 award for the development of prototype opto-mechanical systems. At the contract conclusion, Avo delivered eight forward imaging catheters to the university.

The forward imaging catheters (FIC) built by Avo will be used as monitors during RF cardiac arrhythmia therapy. These OCT catheters will lead to imaging techniques that will improve the insertion and accuracy of RF catheters, thus leading to better patient results and an expansion of approved FDA procedures for cardiac arrhythmia therapy.

Case Western Reserve University’s lead investigator on the project is Andrew Rollins, associate professor in the Department of Biomedical Engineering. Christine Fleming, a graduate research assistant under the advisement of Rollins, was instrumental in the design and development.

As a specialized opto-electronic engineering and manufacturing company, Avo provided critical resources and experience to the program. The Avo team was led by Program Manager Todd Rixman and Senior Optical Engineer David Demmer.

In May of 2009, Case Western Reserve imaged heart tissue through the Avo produced catheters.

This work was funded by under the Coulter-Case Translational Research Partnership.
For more information: www.avophotonics.com,

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