The link to the first article that follows give information on building and using inexpensive do-it-yourself (DIY) medical simulator to practice ultrasound-guided thoracentesis.
I included a link to the second article on a DIY escharotomy simulator as it could conceivably be useful to clinicians in austere environments.
Build your own ultrasound-guided thoracentesis simulator
From the February ACP Internist, copyright © 2012 by the American College of Physicians
Build Your Own Escharotomy Man!
Posted on August 30, 2014 [This obviously doesn’t apply to any primary care physician in the U.S., but I thought it was interesting. On the above page there is a link to the PDF Clinical Practice Guidelines: Escharotomy for Burn Patients – NSW Statewide Burn Injury Service