Method and apparatus for monitoring laser surgery

A - Human Necessities – 61 – B

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A61B 18/18 (2006.01) A61F 9/01 (2006.01) A61B 17/00 (2006.01) A61F 9/008 (2006.01)

Patent

CA 2377168

This invention is a method, a system for laser surgery produced controlled laser pulses, and simultaneously verifies that a sequence of pulses of prescribed energy are being delivered to the patient. A photo detector (120) receives a predetermined portion of the energy of each treatment pulse. A separate monitoring computer compares an output signal from the photo detector (120) corresponding to each treatment laser pulse with a reference value for that type of pulse obtained in a calibration sequence. Implementation in an ophthalmic laser surgery system is also disclosed.

La présente invention concerne une technique et un système destinée à la chirurgie au laser. Cette technique consiste à produire des impulsions laser contrôlées et à vérifier simultanément qu'une séquence d'impulsions d'énergie prescrite est délivrée au patient. Un photodétecteur reçoit une partie prédéterminée de l'énergie de chaque impulsion de traitement. Un ordinateur de surveillance distinct compare un signal de sortie du photodétecteur correspondant à chaque impulsion laser de traitement avec une valeur de référence de type d'impulsion obtenue dans une séquence d'étalonnage. Cette invention concerne aussi la mise en oeuvre d'un système de chirurgie ophtalmique au laser.

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