Second-quarter net sales at NuVasive declined 30 percent to between $202 million and $205 million year over year, according to a preliminary unaudited report. Read more. Johnson & Johnson's second-quarter orthopedic sales in the U.S. were down 34.7 percent year over year, at $869 million. Read more. RTI Surgical shareholders have approved the sale of its original equipment manufacturer business to a private equity firm in a $480 million cash deal. Spine surgeons at Burnsville, Minn.-based Inspired Spine have developed the Trident Sacroiliac Joint Fusion System for the treatment of sacroiliac joint disease. Potentially elevated endotoxin levels led Zimmer Biomet to issue a recall in Europe of certain polyethylene orthopedic implants for knees, hips and extremities.