Michael Siluk | Education Images | Universal Images Group | Getty Images Dr. Shirin Towfigh thought she had designed a medical device that would revolutionize hernia care for women. Now, Towfigh is suing Medtronic, a global leader in medical devices, accusing the company of stealing her patented design.  A Beverly Hills surgeon with over 22 years of experience, Towfigh says she discovered that a significant number of her hernia patients