McLaren hosting sharps take-back event Helps properly dispose of medical needles FacebookTwitterEmail McLaren Thumb Region will be hosting a sharps take-back event this week, which gives residents the change to properly dispose of their medical needles and other devices. (Tribune File Photo) As part of Earth Day observations this week, McLaren Thumb Region in Bad Axe will be hosting a sharps take-back event where people can safely dispose of their medical needles. The event will be at the hospital on April 22 and go from 9 a.m. to 3 p.m. Sharps is a medical term for devices prescribed for at-home management of medical conditions. These include needles, syringes, lancets, auto-injectors, infusion sets, and connection needles/sets.