The abdominal air sacs carry air to leg and pelvic bones ... commercially available air sac cannulas, or plastic tubing from an IV extension set can be sterilized and used as an air sac cannula.

access is established by inserting the cannula and stylet, much like a regular intravenous cannula, into a palpable vein in or near the antecubital fossa. The stylet is removed and the catheter ...