Sunday, November 7, 2021

See also:

Video created 11/15/2021 by Henry Hoffman MD (University of Iowa) with assistance from David Fletcher of Fletcher Medical Solutions with subsequent updates via multiple contributors.

Video

Use of (as of Sept-Nov 2021) the Blue Light (445 nm wavelength) Laser (Wolf A.R.C.) depicted in this video

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 TypeDiodelaser (see explanation of 'diode laser')
DisplayTouchscreen
Wavelength/Power445 nm / 10 Watts
Pulse Length1 millisec to 45 seconds / CW (continuous wave)
Pulse Pause

1 msec to 45 seconds

(note: pause of 333 msec = 3 pulses per second) 

Aiming BeamGreen 532 nm - adjustable for intensity, size, continuous v flashing
FibercouplingA.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