see: Blue Light Laser (445 nm wavelength) - Settings, Application, and Research
for specific settings in used for a laryngeal papilloma case, see: Transnasal Laryngoscopy with Blue Light Laser (445 nm wavelength) - Case Example with Dosimetry, Equipment and Modified Operative Note
Publication addressing laser plume containment with negative pressure face shield: https://onlinelibrary.wiley.com/doi/full/10.1002/lio2.526
Use of (as of Sept-Nov 2021) the Blue Light (445 nm wavelength) Laser (Wolf A.R.C.) depicted in this video
Video created 11-15-2021 by Henry Hoffman MD (U of Iowa) with assistance from David Fletcher of Fletcher Medical Solutions with subsequent updates via multiple contributors.
Specifications below (modified from: Wolf 2021 and FDA 2021)
|
Wolf 445 nm (Blue Light) Laser adapted FDA (2021) Wolf TrueBlue A.R.C Laser website (2021) |
|
| Laser Type |
Diodelaser (see explanation of 'diode laser') |
| Display | Touchscreen |
| Wavelength/Power |
445 nm / 10 Watts |
| Pulse Length | 1 millisec to 45 seconds / CW (continuous wave) |
| Pulse Pause |
1 msec to 45 seconds (note: pause of 333 msec = 3 pulses per second) |
| Aiming Beam | Green 532 nm - adjustable for intensity, size, continuous v flashing |
| Fibercoupling | A.R.C. Laser U.C 2.0 |
References
FDA (U.S. Food & Drug Administration): 510(k) Summary - K192272 Wolf 445nm - approval to market dated March 17,2020- <https://www.accessdata.fda.gov/cdrh_docs/pdf19/K192272.pdf> accessed Nov 7, 2021
Wolf TrueBlue A.R.C Laser website “Technical Specifications" <https://www.arclaser.de/en/products/trublue/wolf-trublue/> accessed Nov 7, 2021
Nguyen DD, Pang J-Y, Madill C, and Novakovic D: Effects of 445-nm Laser on Vessels of Chick Chorioallantoic Membrane with Implications to Microlaryngeal Laser Surgery Laryngoscope, 00:1-7, 2021
Karkos PD, Koskinas IS, Triaridis S, Constantinidis J. Lasers in Οtolaryngology: A Laser Odyssey From Carbon Dioxide to True Blue. Ear, Nose & Throat Journal. 2021;100(1_suppl):1S-3S. doi:10.1177/0145561320951681
BritaMed, Inc. The revolutionary WOLF TruBlue laser. November 19, 2018. https://www.slideshare.net/BritaMed/the-revolutionary-wolf-trublue-laser . Accessed September 7, 2021.
Hess MM, Fleischer S, Ernstberger M. New 445 nm blue laser for laryngeal surgery combines photoangiolytic and cutting properties. Eur Arch Otorhinolaryngol 2018;275:1557–1567.
Braun A, Berthold M, Frankenberger R. The 445-nm semiconductor laser in dentistry—introduction of a new wavelength. Quintessenz 2015;66:205–211
Lin RJ, Iakovlev V, Streutker C, Lee D, Al-Ali M, Anderson J. Blue Light Laser Results in Less Vocal Fold Scarring Compared to KTP Laser in Normal Rat Vocal Folds. Laryngoscope. 2021 Apr;131(4):853-858. doi: 10.1002/lary.28892. Epub 2020 Aug 4. PMID: 32750168.
Miller BJ, Abdelhamid A, Karagama Y. Applications of Office-Based 445 nm Blue Laser Transnasal Flexible Laser Surgery: A Case Series and Review of Practice. Ear, Nose & Throat Journal. 2021;100(1_suppl):105S-112S. doi:10.1177/0145561320960544