FLAGSTAFF, Ariz.--(BUSINESS WIRE)--W. L. Gore & Associates (Gore) received regulatory clearance on January 22, 2007 from the Pharmaceuticals and Medical Device Agency to market its GORE EXCLUDER® AAA Endoprosthesis in Japan. The GORE EXCLUDER AAA Endoprosthesis is an implantable device indicated for the endovascular treatment of abdominal aortic aneurysm (AAA), a condition caused by the degenerative weakening and dilation of the abdominal aorta.