Intelligent surgical laser system configuration and software implementation

Chi-Fu T. Hsueh; Josef F. Bille

doi:10.1117/12.137518

1 June 1992 Intelligent surgical laser system configuration and software implementation

Chi-Fu T. Hsueh, Josef F. Bille

Proceedings Volume 1650, Medical Lasers and Systems; (1992) https://doi.org/10.1117/12.137518
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

An intelligent surgical laser system, which can help the ophthalmologist to achieve higher precision and control during their procedures, has been developed by ISL as model CLS 4001. In addition to the laser and laser delivery system, the system is also equipped with a vision system (IPU), robotics motion control (MCU), and a tracking closed loop system (ETS) that tracks the eye in three dimensions (X, Y and Z). The initial patient setup is computer controlled with guidance from the vision system. The tracking system is automatically engaged when the target is in position. A multi-level tracking system is developed by integrating our vision and tracking systems which have been able to maintain our laser beam precisely on target. The capabilities of the automatic eye setup and the tracking in three dimensions provides for improved accuracy and measurement repeatability. The system is operated through the Surgical Control Unit (SCU). The SCU communicates with the IPU and the MCU through both ethernet and RS232. Various scanning pattern (i.e., line, curve, circle, spiral, etc.) can be selected with given parameters. When a warning is activated, a voice message is played that will normally require a panel touch acknowledgement. The reliability of the system is ensured in three levels: (1) hardware, (2) software real time monitoring, and (3) user. The system is currently under clinical validation.

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Chi-Fu T. Hsueh and Josef F. Bille "Intelligent surgical laser system configuration and software implementation", Proc. SPIE 1650, Medical Lasers and Systems, (1 June 1992); https://doi.org/10.1117/12.137518

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KEYWORDS

Laser systems engineering

Control systems

Eye

Computing systems

Intelligence systems

LASIK

Surgery

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