All invasive devices with respect to body orifices, other than surgically invasive devices, intended for connection to a class IIa, class IIb or class III active device, are classified as class IIa.
Na feistí ionracha ar fad i ndáil le hoscailtí colainne, seachas feistí máinliachta ionraí, a beartaíodh lena nascadh le feiste ghníomhach in aicme IIa, in aicme IIb nó in aicme III, is in aicme IIa atá siad.