1. Injections No 1 & 2 100 ml Ropivacaine 0.2% 0.5mg adrenaline
+ - Ketoralac 30 mg

2. 1st 50 mls: posterior capsule, PCL, deep to collaterals and retractor sites (medial and lateral proximal tibial metaphysis)

3. 2nd 50 mls: Along medial and lateral margins of incision through quads tendon and capsule, then, fat pad & suprapatellar synovium + margins of lateral release incision if performed

4. Injection 3 & 4
100ml 0.2% ropivacaine
No adrenaline

5. 3rd injection Superficial infiltration 50 to 100 mls 0.2% ropivacaine

6. Infusion Knee 100ml 1% Ropivacaine 0.5 mg adrenaline
Hip 100ml 0.2% Ropivacaine
10ml 1.0% Ropivacaine