Table 2

Blake and McBryde classification for Floating Knee injuries

Type 1 – True Floating Knee
The knee joint is isolated completely and not involved, with either shaft fractured.
Type 2 – Variant Floating knee
Involves one or more joints with either shaft fractured.
Type 2A
The knee joint alone is involved
Type 2B
Involves the hip or ankle joints

Rethnam et al. Journal of Trauma Management & Outcomes 2007 1:2   doi:10.1186/1752-2897-1-2