发明名称 Laparoscopic port assembly
摘要 Various embodiments of a laparoscopic trocar assembly are disclosed. The port assemblies include inserted parts that protect the patient's tissues at the point of deployment. The port assemblies include seals for maintaining pneumoperitoneum both when instrument are being used and when instruments are not inserted.
申请公布号 US8876708(B1) 申请公布日期 2014.11.04
申请号 US200812228438 申请日期 2008.08.13
申请人 Covidien LP 发明人 Piskun Gregory;Battles Christopher;Rende Frank;Abrams Michael;Shikhman Oleg
分类号 A61B1/32 主分类号 A61B1/32
代理机构 代理人
主权项 1. A surgical port positionable with respect to a patient, the port having: a body; a first plate defining a respective central axis therethrough, the first plate rotatable within the body; and a second plate defining a respective central axis of rotation therethrough, the respective central axis of rotation of the second plate parallel to and offset from the respective central axis of the first plate, the second plate positioned entirely within the body, the first plate and the second plate totally enclosed within the body thereby, the second plate disposed within the first plate; and a first cannula defining a distal aperture and extending from the first plate; and a second cannula defining a distal aperture and extending from the second plate and flexibly attached thereto to enable pivoting of the second cannula with respect to the second plate, the second cannula and the second plate freely rotatable with respect to the first cannula and first plate around the respective central axis of rotation of the second plate.
地址 Mansfield MA US