Patent ID: 11864792
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A surgical cannula assembly, comprising:
an elongate cannula member defining a longitudinal axis and having proximal and distal ends, the cannula member including a plurality of longitudinal ribs extending along the longitudinal axis, adjacent longitudinal ribs of the plurality of longitudinal ribs defining longitudinal channels therebetween that open distally into an annular recess;
a fluid port mounted adjacent the proximal end of the cannula member, the fluid port configured for coupling to a source of inflation fluid;
a conduit positioned within a first longitudinal channel of the longitudinal channels of the cannula member, the conduit in fluid communication with the fluid port; and
an expandable balloon mounted adjacent the distal end of the cannula member and in fluid communication with the conduit, the expandable balloon configured to transition from an initial unexpanded condition to an at least partially expanded condition upon passage and entry of inflation fluid through the conduit and within an internal volume of the expandable balloon.