> Tomorrow afternoon a nicely experienced neurosurgeon plans to perform a > "discectomy, & C4-C5 spinal fusion with VA LP cage". (Cage made of PEEK > with titanium front plate - latest model with only 2 bone anchor screws > but > better ability to compensate for vertebra angles, I'm told). Engineers must be annoying patients, always asking questions and attempting to fully understand all the details. Thinking good thoughts your way. Bob --=20 http://www.fastmail.com - A no graphics, no pop-ups email service --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .