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Patent application: Contact lens with metered liquid system

Ben Welter - Monday, January 28, 2019

U.S. patent application 20190025610 (applicants California Institute of Technology, Pasadena, Calif., and University of Southern California, Los Angeles):

Contact lens patent drawing"A contact lens fluid delivery device having a liquid reservoir connected to a channel with a flow regulator is described. Other eye hydration and variable dioptric power contact lenses are described herein. Also described are implantable liquid delivery apparatuses having a liquid storage reservoir connected to a channel with a flow regulator. These devices and apparatuses are useful for specific, targeted delivery of therapeutic liquids within a subject. In some embodiments, the devices incorporate actuation chambers which provide a driving force releasing the fluid into the targeted area e.g., the eye. The actuation chambers described herein can contain phase change materials or osmotic chambers or a combination thereof to drive the release of fluid."

http://www.freepatentsonline.com/20190025610.pdf

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