1
Edward A Kantor, George Berci, Karl Storz: Video endoscopic microscope. Marvin H Kleinberg, October 31, 1989: US04877016 (79 worldwide citation)

An endoscope is provided with an integral optical element which includes a lens system and an objective lens that is recessed approximately 15 mm from the distal end of the endoscope. An integral illuminating element includes a fiber optic bundle that terminates at the distal end of the endoscope an ...


2
Storz Karl, Berci George, Edward A Kantor: Video endoscope. Storz Karl & Co, May 22, 1996: EP0712601-A1

An endoscope is provided with an integral optical element which includes a lens system with an objective lens (22) that is recessed approximately 15 mm from the distal end of the endoscope (12). An integral illuminating element includes a fiber optic bundle (18) and a lens (20) at the distal end of ...