Ophthalmic surgical laser apparatus

Details Ophthalmic surgical laser apparatus Ophthalmic surgical laser apparatus

1982-09-30

1985-05-21

Coven, Edward M.

Surgery

Truss

Pad

1283031, A61N 500, A61B 1736

Patent

active

045179808

ABSTRACT:
An ophthalmic surgical apparatus is disclosed comprising a main laser generator for emitting an operating laser beam of infrared energy and an auxiliary laser generator for emitting a marker laser beam of visible light. The laser beams are superposed before reaching an operating system by a plurality of mirrors and a laser beam expander for each of the laser beams. The laser beam expanders have separate entrance lenses and a common exit lens. Preferably, the operating optical system comprises a focusing lens which doubles as the common exit lens of the laser beam expander.

REFERENCES:
patent: 3710798 (1973-01-01), Bredemeir
patent: 3851974 (1974-12-01), Ravussin et al.
patent: 4079230 (1978-03-01), Mitauchi et al.
patent: 4099141 (1978-07-01), Leblanc et al.
patent: 4289378 (1981-09-01), Remy et al.
patent: 4309998 (1982-01-01), Aron nee Rosa et al.
patent: 4408602 (1983-10-01), Nakajima
patent: 4409979 (1983-10-01), Roussel et al.
Mutze, ABC der Optic, 1960, p. 26, col. 2, lines 4-6; Fig. 4.

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