Head mounted lamp with joint observation eyepiece

Details Head mounted lamp with joint observation eyepiece Head mounted lamp with joint observation eyepiece

1977-02-28

1978-07-25

Crowder, Clifford D.

Surgery

Truss

Perineal

128 22, A61B 106

Patent

active

041023331

ABSTRACT:
A concave mirror is mounted on a head band and is associated with a light source for lighting an area to be inspected for medical purposes. A support for the mirror has a viewing path in which is incorporated a prism which is constructed to have a main viewing path for use by the person wearing the head band and to have a branch path for viewing by a second person. A viewing tube and eyepiece is secured to the support for viewing the branch path of the prism, and such tube is of sufficient length to allow convenient viewing by the second person.

REFERENCES:
patent: 1551770 (1925-09-01), Palmeter
patent: 1640096 (1927-08-01), Rosenstein
patent: 2088735 (1937-08-01), Everhards
patent: 2517422 (1950-08-01), Gellman
patent: 2699770 (1955-01-01), Fourestier et al.
patent: 3067648 (1962-12-01), Cohen
patent: 3745993 (1973-07-01), Feinbloom
Zielinski, et al.; "An Endoscopic Side-Viewer"; The Lancet; Apr. 27, 1963; pp. 924-925.
Millichamp; "Microscopes for Looking into Holes"; Engineering, vol. 210, No. 5438; Jul. 24, 1970; p. 101.

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