You might look at the DuDuF IK & Animation Tools(creates Rigs with puppet tool), but I'm think that would be a real long shot in this case.
Johnny Cuevas, Editor
"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.