A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 3/00 (2006.01) A61B 19/00 (2006.01)
Patent
CA 2682419
An ophthalmic endoilluminator has a light source, a collimating lens for collimating the light produced by the light source, a filter for filtering the collimated light, an attenuator for attenuating the filtered light, a hybrid condensing lens for focusing the attenuated light, and an optical fiber for carrying the focused light into an eye. A diffractive surface on the hybrid condensing lens compensates for the other refractive surfaces.
La présente invention concerne un endo-illuminateur ophtalmique qui comporte une source lumineuse, une lentille collimatrice pour assurer la collimation de la lumière produite par la source lumineuse, un filtre permettant de filtrer la lumière collimatée, un atténuateur permettant d'atténuer la lumière filtrée, une lentille hybride de condensateur permettant de concentrer la lumière atténuée, et une fibre optique permettant de transporter la lumière concentrée dans un AEil. Une surface de diffraction sur la lentille hybride de condensateur compense les autres surfaces de réfraction.
Alcon Inc.
Kirby Eades Gale Baker
LandOfFree
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