Special report: Therapeutic ultrasound heats up

by Brendon Nafziger, DOTmed News Associate Editor | July 12, 2013
From the July 2013 issue of HealthCare Business News magazine

In the fibroid-blasting Sonalleve, a half-sphere-shaped transducer array squats beneath the imaging table. By contrast, for the breast system, Philips says it built a ring structure that lets the transducers fit around the breast, so ultrasound energy can come from multiple directions to build the focus in the tumor. This set-up reduces the risk of burning the skin, Philips’ Andreae says. By maximizing the amount of skin surface exposed, each bit of skin heats up less.

“Non-target tissue only rises a few centigrade above body temperature,” he says. “At maximum, a mild skin reddening (appears) and not more than that.”

For the first trial, Philips is looking at large tumors, which will be removed and dissected after the treatment to see how successful the ablation was.

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