Thulium fiber laser lithotripsy: An in vitro analysis of stone fragmentation using a modulated 110-watt Thulium fiber laser at 1.94 μm

Nathaniel M. Fried

Research output: Contribution to journalArticlepeer-review

Abstract

Background and Objectives: The high-power Thulium fiber laser has previously been shown to rapidly vaporize and coagulate soft urinary tissues (e.g., prostate). This is the first preliminary study of a high-power Thulium fiber laser for fragmentation of urinary stones. Study Design/Materials and Methods: A continuous-wave, high-power Thulium fiber laser operating at a wavelength of 1.94 μm, was modulated to operate in pulsed mode with an output pulse energy of 1 J through a 300-μm-core silica fiber at a 20 milliseconds pulse length and repetition rate of 10 Hz. The fragmentation time to reduce uric acid (UA) (n = 13) and calcium oxalate monohydrate (COM) (n = 6) stones into particles

Original languageEnglish (US)
Pages (from-to)53-58
Number of pages6
JournalLasers in Surgery and Medicine
Volume37
Issue number1
DOIs
StatePublished - Jul 2005

Keywords

  • Ablation
  • Calculi
  • COM
  • Fiber
  • Laser
  • Lithotripsy
  • Stones
  • Thulium
  • Uric acid

ASJC Scopus subject areas

  • Surgery

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