Power supply for a retina implant

Details Power supply for a retina implant Power supply for a retina implant

A - Human Necessities

61

N

A61N 1/36 (2006.01) A61F 9/08 (2006.01)

Patent

CA 2717183

A power supply for a retina implant at least partly located in the interior of a patient's eye is described. The power supply comprises a first transmission coil (4, 23), a second transmission coil (5, 24). The power supply further comprises a signal generation unit adapted for generating a first high frequency signal and a second high frequency signal, and for applying the first high frequency signal to the first transmission coil and the second high frequency signal to the second transmission coil, the second high frequency signal being phase shifted relative to the first high frequency signal. The first transmission coil is adapted for transmitting the first high frequency signal, and the second transmission coil is adapted for transmitting the second high frequency signal.

L'invention concerne une unité d'alimentation pour implant de rétine qui est placé au moins partiellement à l'intérieur de l'il d'un patient. L'unité d'alimentation comprend une première bobine de transmission (4, 23) et une seconde bobine de transmission (5, 24). L'unité d'alimentation comprend de plus une unité de production de signal conçue pour produire un premier signal haute fréquence et un second signal haute fréquence, et pour appliquer le premier signal haute fréquence à la première bobine de transmission et le second signal haute fréquence à la seconde bobine de transmission, le second signal haute fréquence étant déphasé par rapport au premier signal haute fréquence. La première bobine de transmission est conçue pour transmettre le premier signal haute fréquence, et la seconde bobine de transmission pour transmettre le second signal haute fréquence.

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