Disclosed herein is a chest tube trainer model. Specifically exemplified is a an anatomical model for simulating at least a portion of a thorax that includes a rib portion removably secured to and supported by a base, the rib portion comprised in whole or in part of a hydrogel; and a securing member for holding the anatomical model onto a human; wherein the rib portion has a convex shape defining a space between the base and the rib portion, the space is adapted for receiving a bladder disposed between the rib portion and the base; and at least a portion of the base is formed from puncture resistant material.