Optical device for the visualization of a three dimensional virtual image in superposition with a real object, especially for surgical applications

摘要

PCT No. PCT/FR95/00573 Sec. 371 Date May 14, 1997 Sec. 102(e) Date May 14, 1997 PCT Filed May 3, 1995 PCT Pub. No. WO95/33221 PCT Pub. Date Dec. 7, 1995Optical device for viewing a virtual three dimensional image superimposed on a real object and characterized in that it includes means for forming a three dimensional virtual image and two semi-transparent mirrors arranged between the observer and the real object at a given angle of inclination to reflect the computer-generated virtual image of the real object.