Patent ID: 7804074

Claim:
A lightray treatment device for hardening fingernail modeling compounds, comprising: a) a housing which surrounds a lightray treatment chamber, b) first and second openings positioned on opposite sides of the housing such that both hands of a user of the lightray treatment device can be simultaneously introduced into the lightray treatment chamber from opposite sides of an exterior of the housing through a respective one of the first and second wall openings, c) first and second hand support surfaces positioned in the lightray treatment chamber adjacent the first and second wall openings, respectively, on which a respective hand can be placed for assuming a treatment position, each hand support surface including a thumb support on which a respective thumb can be placed, d) only two light sources arranged in the lightray treatment chamber, the first light source positioned in front of the thumb supports of the hand support surfaces to simultaneously treat both thumbs with light, the second light source positioned above the first light source at a ceiling of the lightray treatment chamber and centrally between both hands for simultaneously treating remaining fingers of both hands with light.