According to Gus S Calabrese : > > I imagine that the swallower has to fast for some time before > ingesting the pillCAM to make for a "clean shot". > > I would like to try something like this on myself. Eliminates an > annoying rectal probe. This is used today in practice (as in "in production") in the medical field. It is only useful for the upper GI (gasto-intestinal) tract since the standard colonoscopy "snake" cannot reach the upper GI (aka small intestine). However, it is less than completely useful since it is unsteerable (as you point out). Regards, web... -- William Bulley Email: web@umich.edu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist