Borescope

Details Borescope Borescope

1994-07-07

1996-07-30

Apley, Richard J.

Surgery

Endoscope

Having imaging and illumination means

600137, 600173, 356241, A61B 1002, G01N 2100

Patent

active

055406505

ABSTRACT:
A borescope has an inverting dove prism (24) mounted on an ocular mount (12) proximally of an ocular lens (11). The ocular mount is axially adjustable by rotation of a collar (26) to achieve focusing and is rotatable about the axis independently of the focus position in unison with orbital scanning of a reflector (7) at the distal end of the borescope. Location of the dove prism proximally of the ocular lens avoids the need to include an invertor within the optical relay of insertion tube (2) thereby avoiding aperture reduction and simplifying assembly.

REFERENCES:
patent: 2779327 (1957-01-01), Baker
patent: 2990830 (1961-07-01), Hett
patent: 3005452 (1961-10-01), Pitman
patent: 3096756 (1963-07-01), Rosenfeld et al.
patent: 3257902 (1966-06-01), Hopkins
patent: 4061135 (1977-12-01), Widran et al.
patent: 4685450 (1987-08-01), Collins et al.
patent: 4798451 (1989-01-01), Fujiwara
patent: 4924853 (1990-05-01), Jones et al.
patent: 5005943 (1991-04-01), Fort

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