This indirect bilirubin , which is not water soluble, can be decomposed to a harmless metabolic, which is water soluble, does not cross blood brain barrier and is rapidly excreted in the bile and urine and so does not accumulate.
This is achieved by exposing the infant to bright light (app. 4.5 micro watts/sq.cm/nm) in the range of 420 to 480nm wave length. This is used for treatment of Hyperbillirubiaemia in Neonates, which provides the light source in the range of 420-480nm wave length
Double surface Phototherapy Unit is the combination of over head phototherapy unit and under surface Phototherapy unit.
