It's easy to say, "All you need to bring is ..." or "You can leave behind ..."
It's also easy to say, "Man I can't believe that guy didn't bring along ..." after reading a headline. Hindsight is always 20/20.
For the extractor, bring the Sawyer Extractor DR recommends here:
http://www.equipped.org/medical.htm#BitesStingsFWIW and YMMV.
All I am qualified to say. Carry on.
EDIT: Just adding some comments, not neccessarily replying to previous poster.