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US 8,911,365 B1Granted
Laparoscopic port assembly
AssigneeCovidien LP
InventorsGregory Piskun, Christopher Battles, Frank Rende, Michael Abrams, Oleg Shikhman
Life of this patent
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Abstract
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.
Claims11
A surgical access assembly comprising:
- a surgical port, the surgical port including a cannula carrier having first and second cannulas extending distally therefrom;
- and
- an obturator, the obturator including:
- a disk-shaped member defining an opening disposed generally centrally therethrough;
- a body member defining proximal and distal ends and an interior region therebetween, the distal end of the body member extending orthogonally and distally from the disk-shaped member, the interior region of the body member in communication with the opening defined by the disk-shaped member;
- and
- first and second rigid members extending distally from the distal end of the body member, the first and second rigid members having spaced distal ends, the first cannula of the surgical port having an opening to receive the first rigid member, the second cannula of the surgical port having an opening to receive the second rigid member.
4 more elements
Dependencies are inferred from the claim text.