SUNNYVALE, Calif.--(BUSINESS WIRE)--Aptus Endosystems Inc., a medical device company developing advanced technology for endovascular aneurysm repair (EVAR), announced the start of ANCHOR, a global, multicenter, prospective post-market registry, which will evaluate the use of the HeliFX™ Aortic Securement System in the treatment of aortic aneurysms. The proprietary helical anchor technology, also called an “EndoAnchor”, enables independent endograft fixation to the aorta, and mimics the suturing performed during open surgical repair of abdominal aortic aneurysms (AAAs).