An apparatus and methods for use are provided, where the apparatus includes: (a) a filter, and (b) a frame having a first end and a second end, wherein the frame includes a first support and a second support extending between the first end and the second end, wherein at least the first support and the second support of the frame are coupled to at least a portion of a periphery of the filter, wherein the frame and the filter together define a lumen, wherein the frame has shape memory and is movable between a first position in which the lumen has a first diameter and a second position in which the lumen has a second diameter, and wherein the first diameter is smaller than the second diameter.