Implantable device deployment apparatus

摘要

Systems and methods are disclosed for delivering a stent to a lumen internal to a body of a patient and for sheathing a stent just prior to an insertion procedure. One embodiment comprises a delivery device having a partially sheathed configuration, a fully sheathed delivery configuration, and a deployed configuration. A panchor (combination pusher and anchor) is configured to engage and limit proximal and distal movement of the implantable device. An outer sheath surrounds a distal portion of an inner member and retains the implantable device near the distal end. The outer sheath is slidably moveable relative to the inner member to deploy the implantable device. Proximal movement of a trigger results in movement of the outer sheath to deploy the implantable device. A sheathing mechanism is configured to crimp and fully sheathe the implantable device prior to a deployment procedure.

主权项

1. A delivery system for sheathing a crimpable implantable device and deploying the implantable device within a body of a patient, the delivery system comprising:
a delivery device to position and deploy the implantable device, the delivery device having a tubular member that receives and houses the implantable device in a crimped state for delivery to a target location within the body of the patient, the delivery device having a partially sheathed configuration, a fully sheathed delivery configuration, and a deployed configuration; a panchor disposed within the tubular member and engaging a proximal portion of the implantable device in the partially sheathed configuration and the fully sheathed configuration, wherein the panchor provides a push surface, an anchor, and an opening, the push surface facing distally to abut a proximal facing surface of the implantable device and limit proximal movement of the implantable device relative to the panchor during deployment as the delivery device transitions from the fully sheathed delivery configuration to the deployed configuration, the anchor positioned distal to the push surface to engage the implantable device at a position distal to the proximal end of the implantable device and limit distal movement of the implantable device relative to the panchor during sheathing as the delivery device transitions from the partially sheathed configuration to the fully sheathed delivery configuration; and a distal inner segment comprising an elongate shaft, a tip disposed at a distal end of the elongate shaft, and a connection member disposed at a proximal end of the elongate shaft, the distal inner segment to be inserted at a distal end of the tubular member of the delivery device to position the tip at a distal end of the tubular member with the elongate shaft extending through a lumen of the implantable device and into the opening of the panchor, the opening of the panchor to receive and secure the distal inner segment by engaging the connection member.