try the cook transtracheal cannulae - about £5 and
much better than a venous cannula
--- [log in to unmask] wrote:
> Has anybody had a problem with cannulae used to
> aspirate a
> pneumothorax "collapsing" shortly after the needle
> is withdrawn and
> preventing any further aspiration?
> I've noticed this on a number of occasions and can't
> figure out if the
> cannula is becoming kinked or if the material used
> to make the
> cannula is just not strong enough and being
> compressed.
>
> Ross
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