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1. (WO2018204753) IMPLANT DELIVERY AND RETRIEVAL SYSTEMS AND METHODS

Pub. No.:    WO/2018/204753    International Application No.:    PCT/US2018/031042
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Sat May 05 01:59:59 CEST 2018
IPC: A61N 1/372
A61N 1/375
A61N 1/05
A61M 25/00
A61B 17/34
A61B 17/00
Applicants: PACESETTER, INC.
Inventors: KABE, Arundhati
EBY, Thomas B.
Title: IMPLANT DELIVERY AND RETRIEVAL SYSTEMS AND METHODS
Abstract:
Catheter systems for delivery and retrieval of leadless pacemakers include each of a leadless pacemaker, a docking cap, and a retriever. The retriever may include a flexible grasper that interacts with the docking cap such that by disposing the flexible grasper within a chamber of the docking cap, the docking cap may be made to lock the flexible grasper onto a docking projection of the leadless pacemaker. The retriever may alternatively include a pair of lumens through which snare wires are passed forming respective loops. By translating the snare wires relative to the lumens, the snare wires may be made to tighten around the docking projection of the leadless pacemaker.