Single-curvature placido plate with additional surfaces

Details Single-curvature placido plate with additional surfaces Single-curvature placido plate with additional surfaces

A - Human Necessities

61

B

A61B 3/107 (2006.01)

Patent

CA 2508721

A placido device (10) includes a single-curvature, semi-circular screen (12) having an opaque covering which is interrupted along its surface to form an illuminated pattern. A flat top (14) is attached to the top of the screen (12) and angled from the screen front (28) towards the screen bottom (26). Also, a flat bottom (16) is attached to the bottom of the screen (12) and angled from the screen front (28) towards the screen top (24).

L'invention concerne un dispositif de Placido (10) comprenant un écran semi-circulaire à courbure unique (12) et à revêtement opaque entrecoupé le long de sa surface afin de former un motif lumineux. Un couvercle plat (14) est fixé sur l'écran (12) et incliné à partir de l'avant de l'écran (28) en direction du fond de celui-ci (26). Un fond plat (16) est aussi fixé au fond de l'écran (12) et orienté à partir de l'avant de l'écran (28) en direction du sommet de celui-ci (24).

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