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Medtronic Sofamor Danek Spinal Cage Infringed By Tyco - Appeals Court

This article was originally published in The Gray Sheet

Executive Summary

The Ray threaded fusion cage made by Tyco/U.S. Surgical division Surgical Dynamics, Inc. infringes a patent held by Medtronic Sofamor Danek for its Inter Fix spinal fusion cage, according to a federal appeals court ruling which remanded the case back to federal district court in Los Angeles.

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Medtronic v. Tyco

California federal district court grants preliminary injunction against spinal fusion cage rival Surgical Dynamics (a division of Tyco's U.S. Surgical business) prohibiting it from selling its Ray TFC spinal implant fusion cage. Medtronic alleges that the device infringes patents for its Inter Fix threaded spinal fusion device. The injunction, which was announced Aug. 16 and reinforces an April 16 federal appeals court reversal in Medtronic's favor (1"The Gray Sheet" May 3, p. 19), is temporary pending completion of patent validity trial proceedings

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