Energy management of a video capsule

A - Human Necessities – 61 – B

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A61B 5/00 (2006.01) A61B 1/05 (2006.01) A61B 5/07 (2006.01)

Patent

CA 2314104

An energy saving device for acquiring in vivo images of the gastro-intestinal tract is provided. The device, such as an autonomous capsule (10), includes at least one imaging unit (12), a control unit (14) connected to the imaging unit, and a power supply (24) connected to the control unit. The control unit includes a switching unit (18, 20), and an axial motion detector (22) connected to the switching unit. The axial motion detector detects the axial movement of the device and if the axial acceleration is below a pre-determined threshold, disconnects the power supply thereby preventing the acquisition of redundant images.

L'invention concerne un dispositif économiseur d'énergie servant à acquérir des images in vivo du tractus gastro-intestinal. Ce dispositif, par exemple une capsule (10) autonome, comprend au moins une unité d'imagerie (12), une unité de commande (14) raccordée à l'unité d'imagerie et une alimentation électrique (24) raccordée à l'unité de commande. L'unité de commande présente une unité de commutation (18, 20) et un détecteur (22) de mouvement axial raccordé à l'unité de commutation. Le détecteur de mouvement axial détecte le mouvement axial du dispositif et, si l'accélération dans le sens axial est inférieure à un seuil prédéterminé, déconnecte l'alimentation électrique, ce qui empêche l'acquisition d'images redondantes.

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