Israeli startup BlueWind Medical has won a CE mark for its miniature neuro-stimulation device to treat overactive bladder.  The OAB-1000 system is wireless, has no battery, is 90% smaller than existing devices and is minimally invasive, being implanted in the leg.

http://www.fiercemedicaldevices.com/story/israeli-startup-bluewind-wins-ce-mark-tiny-batteryless-overactive-bladder-n/2016-06-15