i am sorry but when you accepted their offer of 10,000 miles that is pretty much a done deal. When I had a problem I negotiated the compensation and was happy with what I was able to negotiate. I always push back the 10,000 miles unless its a minor issue and explain to them why 10,000 is not enough for the compensation. Actually I try to get the flight attendant to document what took place or the baggage service office to add documentation.

Whoever created the problem must fill out an incident report. If I were the OP I would have asked for the pursuer to fill out an incident report and ask for a copy then I would have went to my Doctor and submitted the evaluation to Delta(I.e. a permanent scar) and for them to cover all medical costs as a result of the injury). If I felt the need I would have asked for Airport Paramedics to meet the flight to look at the injury so it gets documented in my Delta record. Anything to document is what needs to be done.

The flight attendant is responsible for the drink cart and must take responsibility for injury. i am wondering if you were warned before the cart came through your section? Was your leg out in the aisle? How did the cart hit your leg?