A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 3/12 (2006.01) A61F 9/00 (2006.01) A61F 9/007 (2006.01)
Patent
CA 2679835
An ophthalmic endoilluminator includes a light source, a variable-wedge rotating-disk attenuator, a condensing lens, and an optical fiber. The variable-wedge rotating-disk attenuator attenuates the light produced by the light source. The variable-wedge rotating-disk attenuator includes a wedge capable of being adjusted over a variable angle as measured through an arc of the wedge and an axle to which the wedge is attached. The axle rotates such that the wedge rotates around a pivot defined by the axle. The condensing lens focuses the attenuated light. The optical fiber carries the focused light into an eye. The variable-wedge rotating-disk attenuator is located such that it affects the intensity of a light beam transmitted into an eye.
L'invention concerne un endo-illuminateur ophtalmique comprenant une source de lumière, un atténuateur à disque rotatif et coin variable, une lentille condensatrice et une fibre optique. L'atténuateur permet d'atténuer la lumière produite par la source de lumière et il comprend un coin pouvant être ajusté selon un angle variable mesuré par un arc du coin et un axe sur lequel est fixé le coin. L'axe pivote de sorte que le coin tourne autour d'un pivot défini par l'axe. La lentille condensatrice focalise la lumière atténuée. La fibre optique conduit la lumière focalisée dans un AEil. L'atténuateur est placé de sorte à modifier l'intensité d'un faisceau de lumière conduit dans l'AEil.
Dacquay Bruno
Huculak John C.
Smith Ronald T.
Alcon Inc.
Kirby Eades Gale Baker
LandOfFree
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