Preoperative Microbial Reduction of the Nasal Cavity With Antimicrobial Photodynamic Therapy (aPDT).

"Application of SW3100 Formulation (0.2% chlorhexidine gluconate and methylene blue) in both nostrils followed by placing the SW3200 Nasal Light Illuminator with one channel per nostril.~Activation of SW4000 Light Source (Class 1 Laser Device) that generates red light consisting of 2 channels of 700 mW, 664 nm light (continuous wave) used to activate the disinfecting formulation.~Duration of illumination 2 minutes"

"Application of SW3100 Formulation (0.2% chlorhexidine gluconate and methylene blue) in both nostrils followed by placing the SW3200 Nasal Light Illuminator with one channel per nostril.~No activation of SW4000 Light Source~Waiting for 2 minutes"