Gyrus Acmi, Inc.

Albert-ludwigs-universitat Freiburg

Simon Hein

Arkadiusz Miernik

Ralf Petzold

A system for monitoring temperature when carrying out laser light-based lithotripsy in which includes an endoscopic assembly comprising a working channel for a fiber optic cable which is optically coupled to a laser on a proximal side and include a light exit aperture on a distal side, and an irrigation fluid channel opening into a region of the light exit aperture on the distal side which is in fluid communication with an irrigation fluid reservoir on the proximal side. The system includes a modular unit including a flow sensor, which determines the irrigation flow rate without coming into contact with the irrigation fluid; input, via which operating parameters of the laser can be determined, can be transmitted to a processor connected to the input; a temperature sensor which determines the temperature of the irrigation fluid without coming into contact with the irrigation fluid; an analyzer, which numerically determines the temperature of the irrigation fluid and the determined applied laser power, and the temperature generated intracorporeally during the laser lithotripsy at the location of the light exit aperture, and a comparator, which produces a signal in the event that a threshold value is exceeded.

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Freiburg, Germany

Simon Hein