March 23, 2010 | last updated May 29, 2012 6:12 pm

Covidien wins suit against medical-device rival

Medical devices maker Covidien plc, with operations in North Haven, won a patent infringement suit against Applied Medical Resources Corp. over Applied Medical's Kii and Universal brand laparoscopic trocars, the St. Louis Business Journal reports.

Bloomberg News reported a jury awarded Covidien $4.8 million in the suit, SLBJ reported Tuesday on its Web site.

Trocars are sharp devices used to create openings for surgery or introduce tubing into the body.

The suit, Tyco Healthcare Group LP and United States Surgical Corp. v. Applied Medical Resources Corp., was decided Friday in U.S. District Court for the Eastern District of Texas in Lufkin.

U.S. Surgical was part of Tyco International's health-care segment; in 2007, Tyco spun off its health-care unit, which changed its name to Covidien.

U.S. Surgical is now a subsidiary of Covidien.

Last Friday's verdict is the latest event in years of legal battles between Dublin, Ireland-based Covidien and Rancho Santa Margarita, Calif.-based Applied Medical over patents. In April 2008, a federal appeals court upheld a jury verdict that that Covidien didn't infringe on another of Applied Medical's trocars. Applied Medical had sought $300 million in that suit.

Covidien reported sales of $10.7 billion in 2009.

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