Evaluation of six holmium:YAG optical fibers for ureteroscopy: What's new in 2009?

Bodo E. Knudsen; Joel M. H. Teichman

doi:10.1117/12.843713

2 March 2010 Evaluation of six holmium:YAG optical fibers for ureteroscopy: What's new in 2009?

Proceedings Volume 7548, Photonic Therapeutics and Diagnostics VI; 75481H (2010) https://doi.org/10.1117/12.843713
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

The holmium:yttrium aluminum garnet (YAG) laser is the gold standard laser for intracorporeal lithotripsy.¹ Optical fibers are utilized to transmit laser energy to the surface of a stone for fragmentation via a predominant photothermal mechanism.² Previous work has demonstrated that performance characteristics of holmium:YAG optical fibers used for laser lithotripsy varies. Performance may difference not only between fibers made by different manufacturers but also between individual fibers produced by the same manufacturer.^3,4 Fiber failure with bending, such as during lower pole ureterorenoscopy, can lead to catastrophic endoscope damage resulting in costly repair. Manufacturers continue to develop new holmium:YAG optical fibers. In this study we evaluate a series of newly commercially available fibers using a previously designed testing protocol. This study was designed to determine the performance and threshold for failure of six newly available holmium:YAG laser fibers from Cook Medical and Fibertech Gmbh. We hypothesize that fiber performance will continue to vary amongst different holmium:YAG optical fibers.

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Bodo E. Knudsen and Joel M. H. Teichman "Evaluation of six holmium:YAG optical fibers for ureteroscopy: What's new in 2009?", Proc. SPIE 7548, Photonic Therapeutics and Diagnostics VI, 75481H (2 March 2010); https://doi.org/10.1117/12.843713

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KEYWORDS

Optical fibers

Laser therapeutics

Manufacturing

Connectors

Endoscopes

Laser damage threshold

Aluminum

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