Patent ID: 11911069
Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
Field: Medical technology (Instruments)
Classification: CPC A  Y | IPC A

Claim 0:
1. A cross-slit seal comprising:
a plurality of folded sidewalls having side surfaces extending to distal end surfaces;
a first slit and a second slit that intersects the first slit to form a cross-slit in the distal end surfaces formed by the plurality of folded sidewalls when the cross-slit seal is in a closed position;
a first rib at a first outer end surface that adjoins two of the plurality of folded sidewalls; and
a second rib at a second outer end surface that adjoins two of the plurality of folded sidewalls;
wherein the first rib and the second rib are sized, shaped, and positioned to engage an inside wall of a cannula that receives the cross-slit seal;
wherein the first rib is at one end of the first slit and the second rib is at an opposite end of the first slit; and
wherein the first rib and the second rib are sized and shaped to bias the second slit closed when the first rib and the second rib are engaged with the inside wall of the cannula.