Mugodhi wekupinda muUreteramudziyo wekurapa unoshandiswa mu urology kuti zvive nyore kuisa zvishandiso, zvakaita se ureteroscopes, mu ureter neitsvo panguva yekuvhiyiwa kusingapindi zvakanyanya. Ichubhu ine gomba, inochinjika inopa nzira yakagadzikana, inodzivirira ureter kubva mukukuvadzwa uye inovandudza kushanda kwemaitiro akadai sekubviswa kwematombo, biopsy yebundu, kana kurapwa kwe stricture. Ma sheath e ureteral access zvishandiso zvakakosha mu endourology yemazuva ano, zvichiwedzera kuchengetedzeka kwemurwere uye kubudirira kwemaitiro.

Chivharo cheUreteral Access Sheath (UAS) cherudzi rweY-Type (R) chishandiso cheurological chakagadzirirwa kubatsira Retrograde Intrarenal Surgery (RIRS), kunyanya kurapa matombo eitsvo. Chinhu chayo chikuru chinobatanidza chimiro cheY pamucheto wayo wepedyo, icho chinopa nzira mbiri dzakazvimiririra: imwe yekushandiswa kwekutanga kwekuvhiya/zvishandiso uye yechipiri yakatsaurirwa yekudiridza nguva dzose kana kupfuudza zvishandiso zvekubatsira. Dhizaini iyi inopa kutonga kwakanyanya pamusoro pesimba remvura mukati meitsvo zvichienzaniswa nezvikamu zvemasheath zvakajairwa, zvichiwedzera kuchengetedzeka uye kushanda zvakanaka.