Johnson & Johnson recently said that it has received a subpoena by the Justice Department in connection with its sales of bile duct stents. This subpoena was part of an investigation about potential product liability of the stents. The Justice Department is investigating whether manufacturers had been promoting the devices for unapproved uses, among them the repair of weakened blood vessels. The bile duct stents are plastic or metal tubes intended to treat obstructions to the liver.
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