Green med-tech: Becton Dickinson and Davita team up with Waste Management to recycle dialysis waste August 10, 2011 By MassDevice staff Updated: 8/11/2011 1:15 p.m. Kidney care services provider DaVita Inc. (NYSE:DVA) is taking on the environmental footprint left by its customers by launching a pilot program to recycle some of the waste from dialysis centers.