catheters paluni PTA e aofia ai 0.014-OTW paluni, 0.018-OTW paluni ma 0.035-OTW paluni, lea e fetuutuunai faasologa i le 0.3556 mm (0.014 inisi), 0.4572 mm (0.018 inisi) ma 0.839 mm uaea (0.839 mm) O oloa ta'itasi e aofia ai se paluni, Tip, fa'agogo totonu, mama atia'e, fa'alava i fafo, fa'avevesi fa'avevesi fa'afefe, so'oga Y-foliga ma isi vaega.