Covidien, formerly Tyco Healthcare, is one of the largest healthcare devices and supplies companies worldwide, headquartered in Pembroke Parish, Bermuda for tax purposes although most of its corporate functions are located in Mansfield, Massachusetts. On June 29, 2007, Tyco Healthcare became an independent publicly traded company under the name Covidien Ltd. after being spun-off from Tyco International. Structure As a division of the larger conglomerate, Tyco Healthcare acquired numerous brands… (More on Covidien)