The FDA has granted a de novo request for Procept Biorobotics Inc.'s Aquabeam system for the resection and removal of prostate tissue for the treatment of lower urinary tract symptoms (LUTS) as a result of benign prostatic hyperplasia (BPH), or enlarged prostate. The Redwood Shores, Calif.-based company said it plans to launch the system in 1Q18 on a limited basis.