rs WaveTec Vision Systems, Inc. 6 EFTA_R1_01655698 EFTA02519485 Welch Allyn, Inc. Wenzel Spine Wright Medical Technology, Inc. Ximedica LLC Zimmer Holdings, Inc. For more information: URLs that cover the Advamed issues in more detail: http://www.publicintegrity.org/2011/04/18/4172/medical-device-indust