Patent ID: 6171315
Filing Date: 2001-01-09
Classification: A61B

Abstract:
An apparatus for severing and retrieving a polyp for withdrawal from a patient comprising:a catheter extending between a distal end tip and a proximal end, for positioning proximate a polyp;a self-expansible severing and capturing device for retrieving a polyp, said severing and capturing device being extensible from said distal end of said catheter in an expanded form and retractable into said distal end in a compacted form; anda control device at the proximal end of said catheter for selectively extending and retracting said severing and capturing device relative to said distal end of said catheter, wherein said severing and capturing device includes a continuous wire defining in the expanded form a first plane and at least one leg that is fixed directly to and that distally extends past the continuous wire, has a free end, and generally lies outside the first plane.