Forums › Erbium Lasers › General Erbium Discussion › H2O/Air Ratios
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AnonymousGuestJust wondering if anyone had a handle on why they are using the air/H20 ratios they are using?
Other than low settings for coagulation do you always keep these 1:1 , if not why?
Why you might want more air than H20 or vice versa?
Any ideas ?
Thanks
AnonymousGuestSent the above h2o/air question to my Biolase rep who forwarded it to Ioana who I believe to be their R&D V.P.
Below is the response:QUOTEThe air and water ratios do not have to be 1:1. In soft tissue some doctors like the air and water spray even at settings as for hard tissue cutting (keeping in mind fluid entrapment conditions when increasing the air and water settings). Other doctors prefer very low water and slightly higher air (for example 7% Water, 11% air)or none for controlled coagulation. To summaries the settings do not have to be 1:1 it depends on the tissue consistency, type of procedure and cutting technique (focus or defocus).
Guess I was looking more for something that said ‘if you increase the water higher than the air you can expect this kind of change in the cutting behavior of the laser’ or vice versa. Guess this is one of those experience things.
Glenn van AsSpectatorFor Continuum I always do the soft tissue without water and with air.
My asssistant will spray the odd drop of water on the tissue but honestly I dont think it matters , perhaps in non anesthetic stuff it will.
MY suggestion is next time you have two class vs……..
Do one with air only and no water for the SOFT TISSUE…….not the hard tissue.
For the other either do both or water only .
Its been my experience under the scope that water on tissue slows the cut down………so much for hydrokinetics.
Glenn
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