Catheter ea balune ea OTW e kenyelletsa lihlahisoa tse tharo: balune ea 0.014-OTW, balune ea 0.018-OTW, le balune ea 0.035-OTW e etselitsoeng 0.014inch, 0.018inch, le terata ea tataiso ea 0.035inch ka ho latellana.Sehlahisoa se seng le se seng se na le balune, ntlha, tube e ka hare, selikalikoe sa nts'etsopele, tube ea ka ntle, tube e qhalaneng ea khatello, sehokelo se bōpehileng joaloka Y, le likarolo tse ling.