Trocar da ake iya zubarwa da farko ya ƙunshi taron cannula na trocar da taron sandar huda. Ƙungiyar trocar cannula ta ƙunshi harsashi na sama, jikin bawul, bawul core, bawul ɗin shake, da ƙananan casing. A halin yanzu, taron sandar huda ya ƙunshi hular huda, bututun huda, da kai mai huda.