Reflector for surgical light apparatus

F - Mech Eng,Light,Heat,Weapons – 21 – V

Patent

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Details

F21V 7/09 (2006.01) F21S 8/00 (2006.01) F21V 9/04 (2006.01) F21V 14/02 (2006.01) F21V 29/00 (2006.01) F21V 21/40 (2006.01)

Patent

CA 2325999

A surgical lighthead (36, 38) includes a light source (68) having a reference point (128) defined thereon and a reflector (72) including a concave reflector surface (96) which has a central axis (100). The concave reflector surface (96) is formed to include a plurality of facets (98) configured to reflect tight emanating from the light source (68). The plurality of facets (98) includes a first set (110) of facets (98) for which each associated longitudinal boundary line (112) is angulary spaced by a first angle (122) from each of the next adjacent boundary lines (112) relative to the central axis (100). In addition, the plurality of facets (98) includes a second set (116) of facets (98) for which each associated longitudinal boundary line (118) is angulary spaced by a second angle (124) from each of the next adjacent boundary lines (118) relative to the central axis (100).

Une tête d'éclairage chirurgicale (36, 38) comprend une source d'éclairage (68) sur laquelle est défini un point de référence (128) ainsi qu'un réflecteur (72) présentant une surface de réflecteur concave (96) ayant un axe central (100). La surface de réflecteur concave (96) est formée pour comprendre une pluralité de facettes (98) configurées pour réfléchir la lumière émanant de la source d'éclairage (68). La pluralité de facettes (98) comprend un premier ensemble (110) de facettes (98) pour lequel chaque ligne de limite longitudinale associée (112) est espacée angulairement par un premier angle (122) de chacune des lignes de limite adjacentes suivantes (112) par rapport à l'axe central (100). De plus, la pluralité de facettes (98) comprend un second ensemble (116) de facettes (98) pour lequel chaque ligne de limite longitudinale associée (118) est espacée angulairement par un second angle (124) de chacune des lignes de limite adjacentes suivantes (188) par rapport à l'axe central (100).

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