A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 3/135 (2006.01)
Patent
CA 2308525
The present invention relates to a system for the stereoscopic examination of a patient's eye using a slit-lamp microscope (3), wherein the patient's eye (1) is illuminated by a light strip of a predetermined cross section which is emitted by a light source (5). The light source (5) is arranged on the vertical arm (20) of a support (7) and the eye (1) to be examined is placed in an essentially horizontal plane on one side of said support. The stereo- microscope (3) is essentially placed on a plane which is located on the side opposite to the first side of the support (7). The vertical arm (20) of the support (7) is made in the shape of a column having a narrow cross section so as to minimise the optical obstruction between the stereo-microscope (3) and the patient's eye. Using at least one beam (30b) from the stereo-microscope (3), a partial ray is stopped down and the image information of said ray is directed to a reception unit (44) located in said stereo-microscope (3).
Pour l'examen stéréoscopique au moyen d'un microscope à lampe à fente (3), l'oeil d'un patient (1) est éclairé par une bande lumineuse de section prédéterminée émanant d'une unité d'éclairage (5). L'unité d'éclairage (5) est disposée sur une branche verticale (20) d'un support (7). L'oeil à examiner (1) peut être positionné dans un plan sensiblement horizontal, sur un côté du support. Le stéréo-microscope (3) est disposé sensiblement dans le plan sur le côté opposé au côté précité du support (7). La branche verticale (20) du support (7) est réalisée sous forme d'une colonne de section étroite pour n'avoir qu'un faible empêchement optique entre le stéréo-microscope (3) et l'oeil du patient. A partir d'au moins un faisceau (30b) du stéréo-microscope (3), un rayon partiel est diaphragmé, rayon dont l'information image est guidée vers une unité de réception (44) disposée dans le stéréo-microscope (3).
Fankhauser Hans
Lobel David
Pertz Eberhard
Studer Reto
Ulbers Gerd
Fetherstonhaugh & Co.
Haag-Streit Ag
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