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

Claim 12:
13. A system comprising:
a cannula comprising a proximal end and an inside wall; and
a cap coupled to the proximal end of the cannula;
the cap comprising a cross-slit seal;
the 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,
the first slit having a first end and a second end opposite the first end,
a first rib oriented at the first end of the first slit and located at a first outer end surface that adjoins two of the plurality of plurality of folded sidewalls, and
a second rib oriented at the second end of the first slit and located 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 the inside wall of the cannula when the cross-slit seal is received in the cannula, 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.