Idea Exchange: New use for vaccine packaging Sep 01, 2007 By dvm360.com staff VETERINARY MEDICINE Save empty plastic vaccine flats for use as disposable urine catchers. Dr. Gina Hanfland Taylorsville, Utah Hot topics on dvm3605 ways to wow pet owners (and pets) 10 steps to take when a practice owner dies dvm360 sits down with Dr. Pol Ack! How do you spell that again? "Best. Veterinary Practice. EVER."