Patent ID: 8721658
Filing Date: 2014-05-13
Classification: A61B

Abstract:
1. A tissue retrieval apparatus comprising: an introducer having a longitudinally extending lumen; an actuator slidable within the lumen of the introducer; a tissue bag having an open end and a closed end, the open end of the tissue bag connected to the actuator; a cord attached along a periphery of the open end of the tissue bag and to the actuator; and a substantially cylindrical guide bead comprising a retaining ring encircling a portion of the guide bead, the retaining ring compressible to a compressed state wherein the guide bead has an initial position entirely within the longitudinally extending lumen of the introducer and the retaining ring expandable to an expanded state upon deployment from the longitudinally extending lumen wherein the retaining ring is restricted from reentering the longitudinally extending lumen of the introducer, the guide bead having a hole longitudinally extending therethrough sized to frictionally couple to the cord and the guide bead being independently movable along the cord.