I-stopcock yoxinzelelo oluphezulu lwezonyango sisixhobo esisetyenziswa kukhathalelo lwempilo ukulawula ukuhamba kolwelo okanye iigesi.Yenzelwe ukudibanisa imigca emithathu eyahlukeneyo okanye iityhubhu kwaye ivumele ukuphambuka okanye ukudibanisa oku kuhamba.I-stopcock idla ngokuba nomzimba ophakathi kunye namachweba amathathu okanye ukuvuleka, nganye ixhotyiswe ngevalve okanye i-lever.Ngokuguqula iivalve, ababoneleli bezempilo banokulawula ukuhamba kwamanzi okanye iigesi nge-stopcock.Esi sixhobo sisetyenziswa ngokuqhelekileyo kwiimeko zonyango apho imigca emininzi idinga ukuxhunywa okanye ukulawulwa, njengokuba ngexesha leenkqubo ezithile zokuhlinzwa, i-arterial or venous catheterizations, okanye kwiiyunithi zabagula kakhulu.Ivumela abaqeqeshi bezempilo ukuba balawule isalathiso kunye nesantya sokunyuswa, ukulangazelela, okanye isampuli, ngokuxhomekeke kwiimfuno ezithile zesigulane.I-high-pressure designation ibonisa ukuba i-stopcock yenzelwe ukujamelana namanqanaba aphezulu oxinzelelo, ukuqinisekisa ukusebenza okukhuselekileyo nokuthembekileyo nokuba kwiimeko apho uxinzelelo olubalulekileyo lubandakanyekayo.Kulonke, uxinzelelo oluphezulu lwezonyango lwe-stopcock yeendlela ezintathu sisixhobo esixabisekileyo esinceda ababoneleli bezempilo balawule ngokufanelekileyo kwaye balawule ukuhamba kwamanzi okanye igesi kwiinkqubo zonyango, ukukhuthaza ukhuseleko lwesigulane kunye nokunikezelwa kwenkathalo ngokufanelekileyo.
