Centinel’s President, Michael D. The equation is straightforward: great systems, plus lengthy term clinical achievement, plus great people equal great results. .. Centinel Spine reviews record 47 percent increase in sales for first quarter 2011 An archive 47 percent year-over-year sales increase for Q1, 2011 compared to the same period in 2010 2010 was announced today by Centinel Spine, Inc. Viscogliosi, said: Centinel’s record setting sales pace for the 3rd straight quarter is usually a testament to cosmetic surgeon acceptance of our lumbar and cervical implants as a de facto industry standard for Integrated Interbody Fusion products.The aortic valve allows blood to stream from the heart’s lower left chamber in to the aorta and to all of those other body. The aortic valve may become leaky or blocked, and when that happens heart and angina failure can result. Seventy five to 80 per cent of people who have symptoms will die in three to five years if they do not have the valve changed. The conventional approach to valve substitute involves sawing the breasts bone in two, stopping the center, putting the patient on a center/lung machine, removing the outdated valve and sewing in a new one.