| 摘要 |
<p>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, 82)disposed 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.</p> |
