Patent ID: 11911070
Assignee: COVIDIEN LP
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 10:
11. A seal assembly for use with a surgical cannula assembly comprising:
a seal housing including a distal housing component defining an axial opening configured for passage of a surgical object therethrough and a plurality of flow channels extending radially outwards relative to the axial opening, the seal housing having an evacuation port;
an object seal configured for sealed reception of the surgical object, the object seal and the seal housing defining a flow path extending proximal of the object seal to permit passage of fluids from an underlying body cavity to exit the evacuation port; and
a filter in the seal housing configured for filtering smoke or contaminants from the fluids, the filter disposed proximal of the object seal, wherein the seal housing further includes an intermediate housing component configured for at least partially enclosing the object seal, the intermediate housing component defining a plurality of flow openings that communicate with the plurality of flow channels.