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Proceedings Paper

SurgiLight bent-tip optical fiber: preliminary dosimetry and canine studies
Author(s): Douglas E. Johnson; Douglas M. Cromeens; Cindy M. Stoddard; Garry L. Klaasen; Roger E. Price
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Paper Abstract

We report preliminary potato dosimetry and canine studies evaluating a new 1,000-(mu) optical fiber whose distal tip has been bent to 45 degree(s), allowing for endoscopic delivery of neodymium:YAG laser energy at an angle of 60 degree(s). Our results suggest that this fiber is comparable with other more complex angled delivery systems; has several advantages: it can deliver greater power over longer time intervals, producing larger volumes of coagulative necrosis, and it may be operated in a contact mode within a fluid medium without fiber `burnout.' This fiber should prove useful for transurethral laser ablation of the prostate.

Paper Details

Date Published: 2 May 1994
PDF: 8 pages
Proc. SPIE 2129, Lasers in Urology, (2 May 1994); doi: 10.1117/12.175022
Show Author Affiliations
Douglas E. Johnson, Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Douglas M. Cromeens, Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Cindy M. Stoddard, Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Garry L. Klaasen, Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Roger E. Price, Univ. of Texas M.D. Anderson Cancer Ctr. (United States)


Published in SPIE Proceedings Vol. 2129:
Lasers in Urology
Graham M. Watson; Rudolf W. Steiner; Douglas E. Johnson, Editor(s)

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