Method of controlling a surgical system based on irrigation...

Details Method of controlling a surgical system based on irrigation... Method of controlling a surgical system based on irrigation...

A - Human Necessities

61

F

A61F 9/007 (2006.01)

Patent

CA 2559499

A surgical system that is able to sense the onset of an occlusion or other surgical event as well as the instant an occlusion breaks. To help avoid overheating of the tip, the system deterines a temperature of an eye using irrigation flow rate and reduces the power to the handpiece automatically if an overheating situation is predicted. Alternatively or in addition, the system monitors the power drawn by the handpiece, which is indicative of the cutting load on the tip, and automatically adjusts the power or stroke of the tip to compensate for increased loads on the tip.

La présente invention concerne un dispositif chirurgical capable de détecter le déclenchement d'une occlusion ou de tout autre événement chirurgical ainsi que le moment où l'occlusion éclate. Afin d'éviter la surchauffe de la pointe, le système décrit dans cette invention détermine une température d'un oeil au moyen du débit d'irrigation et il réduit automatiquement la puissance au niveau de la pièce à main si une situation de surchauffe est prévue. Dans un mode de réalisation différent ou complémentaire, le système susmentionné contrôle la puissance produite par la pièce à main, laquelle indique la charge de coupe sur la pointe, et il ajuste automatiquement la puissance ou la course de la pointe afin de compenser l'augmentation des charges sur la pointe.

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