Patent ID: 8419749
Filing Date: 2013-04-16
Classification: A61B

Abstract:
1. A specimen retrieval instrument, comprising: (a) a tubular member having a distal end; (b) one or more frame members, wherein the one or more frame members are movable relative to the tubular member, and wherein the one or more frame members are resiliently biased to together define an hourglass configuration comprising a distal convex portion, and a proximal convex portion, and a concave portion defined between the distal convex portion and the proximal convex portion, wherein each portion is configured to cooperate with the distal end of the tubular member, and wherein the distal convex portion and the proximal convex portion are each configured to abut the wall defining the opening of the distal end when advanced through the tubular member to extend at least a portion of the one or more frame members distally relative to the tubular member; and (c) a retrieval bag, wherein the retrieval bag is secured to the one or more frame members, wherein the retrieval bag is movable from a non-deployed position to a first deployed position, wherein the retrieval bag is further movable from the first deployed position to a second deployed position, wherein the retrieval bag provides a first internal capacity when the retrieval bag is in the first deployed position, wherein the retrieval bag provides a second internal capacity when the retrieval bag is in the second deployed position, wherein the second internal capacity is greater than the first internal capacity; wherein the retrieval bag is configured to be closed and removed from the one or more frame members in the first deployed position, and wherein the retrieval bag is configured to be closed and removed from the one or more frame members in the second deployed position.