I would be tempted to just replace everything as quickly as you can... as you said, they are so tiny it's easy for them to hide in unbelievable small spaces and your little snake might still be hiding in the equipment.
One tip to stop future escapes James gave me last year, which has been incredibly useful, was to stretch a piece of net curtain over the top of the starter tank, if that's what you're using. Just make sure it is completely tight and trapped underneath the lid.