Patent ID: 9126032
Filing Date: 2015-09-08
Classification: A61B,A61M,A61N

Abstract:
1. A catheter for retrieving a medical device from a patient, comprising: a handle comprising a snare slider; a catheter shaft coupled to the handle; a snare disposed within the catheter shaft and extendable distally beyond the catheter shaft, wherein the snare comprises at least one loop; a docking cap disposed on a distal portion of the catheter shaft, the docking cap being rotatable independent of the catheter shaft; and a torque shaft disposed within the catheter shaft and selectively connectable to the docking cap, the torque shaft configured to rotate within the catheter shaft to apply rotational torque to the docking cap when connected to the docking cap, wherein a proximal portion of the torque shaft is coupled to the snare slider on the handle and wherein the snare slider to configured so that distal movement of the snare slider advances the torque shaft along the snare to close a diameter of the at least one loop and cause the at least one loop to grasp a retrieval feature of the medical device.