SutureFocused Ultrasound Mechanism
Ultherapy's MFU-V gathers focused ultrasound into points at a precise depth, creating thermal coagulation points (TCPs) of about 1 mm³ each. Each TCP is heated to about 60-70°C, causing protein denaturation and immediate tissue contraction, while the surrounding normal tissue is left unaffected. Because the treatment depth and tissue structure are checked on screen with DeepSEE real-time imaging during the procedure, the lines can be allocated while directly viewing the location of the facial nerve branches and the depth of the SMAS.