“…RF devices used in a cutting mode, at the lowest settings that will still cut plica, ligament, menisci, or masses, seem to be safe if the probe is directed away from cartilage and does not dwell on bone (Polousky et al, 2000;Lee et al, 2002). A recent review of RF chondroplasty was less critical, although still cautious, and presented three units as potentially preferable to others (Kosy et al, 2011). However, RF devices used for thermal chondroplasty at recommended settings penetrate to the subchondral bone and cause chondrocyte death (Lu et al, 2000(Lu et al, , 2001.…”