Seal device with adjustable aperture

Details Seal device with adjustable aperture Seal device with adjustable aperture

A - Human Necessities

61

B

A61B 17/34 (2006.01)

Patent

CA 2696535

A seal device comprising: a seal housing defining a central axis, the seal housing having an inner wall and an outer wall, the inner wall defining an opening along the central axis; a rotatable head mounted to the seal housing; at least one finger pivotally mounted to the rotatable head, the fingers defining an aperture for reception of a surgical instrument; and a cam mounted to the rotatable head for pivoting the fingers upon rotation of the rotatable head, the at least one finger configured to reduce the amount by which the surgical instrument may be moved off-axis relative to the central axis.

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