I-Trocar Elahlwayo ngokuyinhloko yakhiwe umhlangano we-trocar cannula kanye nomhlangano wenduku yokubhoboza. Umhlangano we-trocar cannula wakhiwe ngegobolondo eliphezulu, umzimba we-valve, i-valve core, i-valve yokuklinya, kanye ne-casing ephansi. Ngaleso sikhathi, ukuhlanganiswa kwenduku yokubhoboza ikakhulukazi kuhlanganisa ikepisi lokubhoboza, ishubhu lokubhoboza inkinobho, kanye nekhanda elibhobozayo.