DENTAL ENDOSCOPIC CHAMBER Russian patent published in 2007 - IPC A61B1/247 A61B1/05 A61B1/04 

FIELD: medical engineering.

SUBSTANCE: device has casing, optical system, and aperture for determining vision field and optoelectronic converter coaxially aligned with the optical system axis. The optical system has lens system disposed on the same side with object, middle lens system and lens system disposed on the same side with the optoelectronic converter. The aperture for determining vision field or its image is disposed on the same side with the optoelectronic converter of lens system.

EFFECT: simplified system; high quality of images.

12 cl, 3 dwg, 1 tbl