What exactly is arthroscopic knee surgery? when is it done? what is the recovery time? is it dangerous?

Incision, scope, cut: Anesthetize area, insert scope thru small incision, establish problem after washing out cloudy fluid with sterile clear sol'n, insert thin surgical tool (like scissor), correct prob. Done for torn meniscal cartilage, ant cruciate ligament, remove loose fragments or inflamed tissue. Recovery time depends on proc and ortho: 1-8 wks. Anesthesia reax, infection, clots, fluid reaccum: generally safe.