Dear mcreadAlthough an elective appointment may take months, I suspect if you call his office and explain that you are concerned about displacing your graft at 12 days post surgery, he will make time to see you. Generally, it is unlikely you caused real damage if your nose still looks the same...
The injury in your childhood did not produce your cleft tip deformity. You are an excellend candidate for tip-only surgery (plasties, reduction, shortening) with or without bridge and bones reduction.