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Patent application: Surgical instrument with phase change cooling

Ben Welter - Wednesday, January 02, 2019

Covidien patent drawing

U.S. patent application 20180375402 (applicant Covidien LP, Mansfield, Mass.):

"Systems and methods are discussed herein for cooling a surgical handset using a phase-change material. A container filled with a phase-change material may be telescoped over a heat-generating mechanism of a surgical handset, such as a battery and/or a motor. When the surgical handset is activated, the heat generated by the heat-generating mechanism is absorbed by the phase-change material in the container, which transitions from a first phase to a second phase."

http://www.freepatentsonline.com/20180375402.pdf

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