Method and apparatus for photodynamic irradiation

Apparatus for photodynamic irradiation comprising a main housing, a lamp mounted in the housing, a reflector surrounding the lamp, a filter unit in the beam path of the lamp, a light outlet at one end of the housing downstream of said filter unit, a perforated blower housing, a pair of blowers in said blower housing operable to circulate air drawn from outside the housing and direct it through discharge openings in the main housing located adjacent the reflector and filter units respectively, a removable housing section for providing access to the interior of the housing for replacement and repair of components of the apparatus.

Apparatus for photodynamic irradiation comprising a main housing, a lamp mounted in the housing, a reflector surrounding the lamp, a filter unit in the beam path of the lamp, a light outlet at one end of the housing downstream of said filter unit, a perforated blower housing, a pair of blowers in said blower housing operable to circulate air drawn from outside the housing and direct it through discharge openings in the main housing located adjacent the reflector and filter units respectively, a removable housing section for providing access to the interior of the housing for replacement and repair of components of the apparatus, and a filter unit having a rack which can be removed from the main housing as a unit and having compartments for different filter units.