Try GetDataBack NFTS. That may be too general; not session-aware. But it may scan the entire disc, regardless of session, and give you a sector and/or MFT view.

GDB has saved me a few times. Just make sure to check ALL of the options before you begin AND at each stage in the process. Some plainly basic functionality is hidden in check boxes which are scrolled off the screen in seemingly unimportant steps.