"Eaton type IIIb: fracture dislocation with fracture or impaction of the articular surface of >40%"
"Knowledge of the orthopaedic Eaton classification is practical when reporting volar plate injury of the PIP joint as for Eaton types I, II and IIIa, conservative management is recommended with surgical management for Eaton types IIIb 2."
"Eaton type II: dorsal dislocation of the PIP joint with avulsion of the volar plate; there is complete tear of the collateral ligament"
"Knowledge of the orthopaedic Eaton classification is practical when reporting volar plate injury of the PIP joint as for Eaton types I, II and IIIa, conservative management is recommended with surgical management for Eaton types IIIb 2."
"Eaton type I: hyperextension mechanism of injury with an avulsion of the volar plate and a longitudinal tear of the collateral ligaments; the opposing joint surface remain congruent"
"Eaton type II: dorsal dislocation of the PIP joint with avulsion of the volar plate; there is complete tear of the collateral ligament"