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Simplifying heart surgery with stretchable electronics devices
Date:11/15/2012

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Central to the design is a section of catheter that is printed with a thin layer of stretchable electronics. The catheter's exterior protects the electronics during its trip through the bloodstream; once inside the heart, the catheter is inflated like a balloon, exposing the electronics to a larger surface area inside the heart.

With the catheter is in place, the individual devices within can perform their specific tasks. A pressure sensor determines the pressure on the heart; an EKG sensor monitors the heart's condition during the procedure; and a temperature sensor controls the temperature so as not to damage surrounding tissue. The temperature can also be controlled during the procedure without removing the catheter.

These devices can deliver critical, high-quality information such as temperature, mechanical force, and blood flow to the surgeon in real time, and the system is designed to operate reliably without any changes in properties as the balloon inflates and deflates.


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Contact: Megan Fellman
fellman@northwestern.edu
847-491-3115
Northwestern University
Source:Eurekalert

Page: 1 2

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