Video display system for locating a projected image adjacent...

Details Video display system for locating a projected image adjacent... Video display system for locating a projected image adjacent...

A - Human Necessities

61

B

A61B 1/04 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2142684

A method and apparatus for projecting an image of a surgical field along an optical path to intersect a display screen which is nonperpendicular to the optical path and adjacent the surgical field. A video projector projects the image along the optical path through a tilted projection optic or compensator, and mirrors locate the optical path adjacent the surgical field. A sterilizable display screen is located in the optical path adjacent the surgical field so that a normal to the screen is noncoincident with the optical path and the projected image on the screen is of constant focus across the screen.

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