Optical device for an endoscope with bellows expansion compensation means
Electrode for fiber optic scopes
Endoscope guide pipe
Rigid video endoscope having a detachable imaging unit
Cannula for an arthroscope Patent #: 4973321
ApplicationNo. 602297 filed on 11/21/1990
US Classes:600/156, Fluid channel (e.g., suction, irrigation, aspiration)600/171, Oblique viewing distal end600/172Interchangeable optical system
ExaminersPrimary: Mancene, Gene
Assistant: LaViola, Frank A.
Attorney, Agent or Firm
Foreign Patent References
International ClassA61B 001/06
Foreign Application Priority Data1988-11-18 DE
AbstractAn endoscope, in particular an athroscope, comprising a shaft carrying an optical unit and optical fibers arranged concentrically around the shaft, in which the shaft (5) carrying the optical unit is part of an observation component (1) and the optical fibers (14) are part of an illunination component (2), whereby the illumination component (2) comprises a double-walled sheath made of two hollow cylinders and the optical fibers (14) pass between the walls (15a and 15b) formed by the hollow cylinders and the observation component (1) can be inserted into the illumination component (2).