Lub distal kawg ntawm cov raj raj muaj cov pa nylonblend zais pa thiab nitinol cov qhab nia sib xyaw nrog peb ntau dua (nyob ntawm lub zais pa loj) muab kauv struts uas qhwv lub pob zais pa. Cov struts tsim focal concentrationsof dilating quab yuam, uas txo lub zais pa poob qis thiab cov neeg pabcuam hauv qhov luminal expansion ntawm stenotic cov hlab ntsha.
PTA Scoring Balloon Dilation Catheteris haum rau percutaneous transluminal angioplasty (PTA) ntawm peripheral vascularsystem (suav nrog kev kho mob ntawm tus kabmob, poj niam lub cev, iliac-femoral, popliteal, infra popliteal, thiab cov hlab ntsha hauv lub raum), thiab rau kev kho mob rau ob leeg mob ntawm ib txwm los yog hluavtaws. lim ntshav lim ntshav hauv lub cev. Tsis siv rau kev txhim kho txoj hlab ntshav lossis hlab hlwb-vasculature.