Published: Aug 19, 2011 8:11 PM EDT

LAS VEGAS (AP) - A lawyer for one of two drug companies being sued over a hepatitis C outbreak in Las Vegas says clinics - not drug manufacturers or distributors - were responsible for misusing an anesthetic and not cleaning medical equipment.
Attorney Mark Tully for Teva Parenteral Medicines, Inc. told a jury during his opening statement in Las Vegas on Friday that the propofol shipped to the clinics where the disease was found was manufactured and delivered without any defects.
Tully says the clinics either misused vials of the drug on multiple patients with dirty needles and syringes or didn't properly clean other equipment for colonoscopies and other procedures.
A couple suing Teva and Baxter Healthcare Corp. say larger vials of the drug were sold even though executives knew they were less safe.

(Copyright 2011 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)