Patent ID: 11864953
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 7:
8. A smoke evacuating tissue guard, comprising:
a tubular body defining a longitudinally-extending passageway and including:
an outwardly flared proximal end portion;
an outwardly flared distal end portion; and
an intermediate portion connecting the proximal and distal end portions;

a ring-shaped collar defining an annular channel and including:
an outer annular section extending from the proximal end portion of the tubular body;
an inner annular section facing the passageway and being spaced from the proximal end portion of the tubular body to define a first annular gap therebetween; and

an outlet coupled to the collar and defining an inner channel in fluid communication with the annular channel, wherein the smoke evacuating guard is configured to establish a fluid path that extends from the passageway of the tubular body, into the annular channel via the first annular gap, and into the inner channel via the annular channel upon application of suction through the smoke evacuating tissue guard.