Shielded illumination device for ophthalmic surgery and the like

Surgery – Endoscope – Having imaging and illumination means

Patent

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Details

600160, 600171, 600161, 600249, 606 4, 606 17, 362 32, 362344, 362347, A61B 106

Patent

active

059161493

ABSTRACT:
A illuminated surgical instrument (11) includes an optical fiber (21) with a proximal end and a distal end, a connector (15) disposed at the proximal end of the optical fiber, and a handpiece (13) disposed generally at the distal end of the optical fiber. The handpiece has a handpiece body and a needle (25) extending distally from the handpiece body, the optical fiber (21) extending generally through the handpiece and extending slightly past the distal end of the needle (25). The handpiece (13) is suitable for one-handed operation by a human user, and the needle (25) is of a size suitable for insertion into a human eye. The instrument (11) includes structures at the distal end of the optical fiber (21) for dispersing light passing from an illumination source through the cable to broaden the area on which light impinges, and a shield (47) disposed proximally of a portion of the dispersing structure to prevent light from impinging upon a predetermined area. The predetermined shielded area is disposed proximal the needle (25) and spaced transversely therefrom. A surgical tool disposed adjacent the shield (47) is configured to operate within the area upon which light from the dispersing structure impinges. The surgical tool may include a aspirating/irrigating surgical pic (41), a surgical probe (49), a knife (53), or other surgical tool adapted for insertion into a cavity in the human body such as the interior of a human eye.

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patent: 5667473 (1997-09-01), Finn et al.
patent: 5681262 (1997-10-01), Isse
patent: 5681264 (1997-10-01), Ryan, Jr.

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