Mu Negative Pressure Wound Therapy (NPWT), chubu choyamwa ndi gawo lofunikira lomwe limakhala ngati ngalande pakati pa mabala ovala ndi pampu ya vacuum, kuthandizira kuchotsa madzi ndi zinyalala. Chubu, chomwe ndi gawo la dongosolo lonse la NPWT, limalola kuti kupanikizika koipa kugwiritsidwe ntchito pa bedi labala, kulimbikitsa machiritso.
