Makina a HIFU ndi chida chatsopano chapamwamba kwambiri chopangidwa ndi ukadaulo wa ultrasound, chomwe chimasintha opaleshoni yokongoletsa nkhope, komanso ukadaulo wopanda opaleshoni wokhudza makwinya, makina a HIFU adzatulutsa mphamvu yayikulu yowunikira mphamvu ya sonic yomwe imatha kulowa mkati mwa minofu yakuya ya SMAS fascia ndikuphimba kutentha kwakukulu pamalo oyenera, dermis yakuya kuti ilimbikitse khungu kupanga kolajeni yambiri ndikulimbitsa khungu kuti likhale lolimba.
Dongosolo la Vaginal Tightening HIFU limagwiritsa ntchito njira yosalowerera ya ultrasound focus kuti liyang'ane mwachindunji pa mucous membrane fibrous layer ndi minofu. Pogwiritsa ntchito mafunde a ultrasonic ngati gwero la mphamvu ndikugwiritsa ntchito mwayi wolowa ndi kuyang'ana, dongosololi lidzatumiza mphamvu ya ultrasonic focus yomwe imayang'ana mu lamina ndi minofu fiber layer mozama kwambiri. Mphamvu yayikulu ya ultrasonic region, yotchedwa focus region, imapangidwa. Mu sekondi 0.1, kutentha kwa dera kumatha kufika pamwamba pa 65 ℃, kotero collagen imakonzedwanso ndipo minofu yabwinobwino kunja kwa focal region siiwonongeka. Chifukwa chake, deep layer yomwe mukufuna imatha kupeza zotsatira zabwino za collagen concentration, restructuring and regeneration. Pamapeto pake, zotsatira zodabwitsa za kulimbitsa nyini zimapezeka.