Nkọwa ngwaahịa:
1.Hydrophilic mkpuchi mkpuchi na-aghọ nke ukwuu ire ụtọ ozugbo ọ metụrụ mmamịrị.
2.The n'ọbọ si ọhụrụ mkpọchi usoro na dilator hub secures dilator na n'ọbọ maka imekotaotuugbo ọganihu nke n'ọbọ na dilator.
3.Spiral waya na-agbakwunyere n'ime n'ọbọ na egwu foldability na nrụgide na-eguzogide, n'ịhụ na ịwa ngwá 'eji ire ụtọ ọrụ na n'ọbọ.
4.The esịtidem lumen bụ PTFE lined iji kwado ngwa ngwa nnyefe na mwepụ ngwaọrụ.Mwube mgbidi dị mkpa na-enye ọkụ dị n'ime nke kachasị ukwuu ma na-ebelata dayameta mpụta.
5.The ergonomic funnel na-eme dị ka aka n'oge ntinye.The nnukwu trough mmemmem ngwá ọrụ iwebata.