Gsirinji uidewirewata na'ura ce ta musamman da ake amfani da ita a lokacin ayyukan da suka haɗa da saka wayar jagora, kamar sanya catheter na tsakiyar jijiyoyin jini, saka layin jijiya, ko wasu hanyoyin shiga jijiyoyin jini. An tsara ta ne don sauƙaƙe ci gaba da wayar jagora cikin jirgin ruwa cikin sauƙi da aminci.