Phaco thermal control apparatus and method

A - Human Necessities – 61 – F

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Details

A61F 9/007 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2412883

Control apparatus for an ultrasonic phacoemulsification handpiece utilizes flow rates and temperature measurements as well as power provided to a handpiece for calculating a matrix of power level duty cycle combination that would not generate sufficient heat to create a burn in eye tissue and either prevent operation of handpiece in the matrix or alert a surgeon of such use.

La présente invention concerne un appareil de commande pour la pièce à main d'un dispositif de phaco-émulsification à ultrasons qui utilise les débits et les mesures de la température ainsi que la puissance délivrée à une pièce à main pour calculer une matrice de niveaux de puissance et de combinaisons de facteurs de charge ne pouvant générer une chaleur suffisante pour brûler des tissus de l'oeil et soit empêcher la pièce à main de fonctionner dans la matrice soit alerter un chirurgien de ce fait.

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