TEDMED has released the full presentation given by Yoav Medan on focused ultrasound at TEDMED 2011.
Also, this talk has been released on the TED site as well!
"Can non-invasive surgery ever become the norm? Medan shows how an MR guided, focused ultrasound technique works instead, and its potential for faster recovery times and new cures."
Also, there was a 2 minute follow up question and answer session with Yoav at the end of his talk.