Johnson & Johnson unit exits insulin pump business amid rising competition

(Reuters) - Johnson & Johnson's diabetes care unit, which makes insulin pumps, said on Thursday it would shut its business in United States and Canada amid increased competition and after failing to find a buyer.Animas Corp has selected rival Medtronic Plc as its partner for the device and nearly 90,000 patients using its pumps will be offered the option to transfer to pumps made by Medtronic.J&J has been reviewing strategic options, including a potential sale of its diabetes care divisi