Lens system for power adjustment using micropumps

Details Lens system for power adjustment using micropumps Lens system for power adjustment using micropumps

A - Human Necessities

61

F

A61F 2/16 (2006.01)

Patent

CA 2508143

An intraocular lens (10) is provided to have optical parameters that may be adjusted in-situ, the lens being useful in cataract patients who require an adjustment in the optical power of the lens post~implantation. The lens body carries an array of interior fluid-filled cells (22) in which fluid is controllably moved by micropumps (32) upon application of energy from an external source to move a fluid media into the cells to thereby alter the lens surface shape.

L'invention a trait à une lentille intraoculaire (10) qui présente des paramètres optiques pouvant être adaptés in situ, et qui est particulièrement utile pour des patients atteints de cataracte qui ont besoin, après l'implantation de la lentille, d'un réglage de la puissance optique de cette dernière. Le corps de la lentille contient un réseau de cellules internes remplies de fluide (22), dans lesquelles le fluide est introduit de manière régulable par des micropompes (32) lors de l'application d'énergie provenant d'une source externe, afin que le milieu fluide soit introduit dans les cellules et que la forme de la surface de la lentille soit ainsi modifiée.

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