Deep cavity binocular loupe

Details Deep cavity binocular loupe Deep cavity binocular loupe

1986-10-27

1989-02-28

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

A61B 310

Patent

active

048079871

ABSTRACT:
A binocular instrument consisting of a binocular viewing system with convergence optics for reducing the parallax angle to one degree in combination with a fiber optics illumination system with adjustable lens and mirror system for projecting a spot of light to the surgical site, and detachable lenses for magnifying an observed image. The instrument is headband mounted. The magnification lenses are prefocused and easily attached or detached during a surgical procedure. The radial size of the projected light beam is adjustable by means of a manually controlled iris.

REFERENCES:
patent: 3582191 (1971-06-01), Cohen
patent: 4538888 (1985-09-01), Sigelman
patent: 4682866 (1987-07-01), Volk
patent: 4684227 (1987-08-01), Schmidt et al.

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