RETRIEVAL DEVICE

摘要

An endoscopic surgical device 10 for retrieving severed tissue or foreign bodies from within a subject, the device comprises a support unit 12 and a tissue retrieving net system 16. The net system 16 is carried by the support unit 12 and may be inserted into the subject through an orifice or small incision and operated to retrieve tissue that has been severed by a conventional method. The net system 16 comprises a net 20, a net actuator24, a net deployment and retrieval assembly 28 for transmitting motion between the net 20 and its actuator 24. The net system 16 further comprises at least one net connector 80, 82disposed such that only one connector 82 is within an articulation zone bounded by A1, A2, defined by locations of severe bending of the device 10 during operation.