A method and apparatus for applying beat to a treatment site prior to effecting photodynamic therapy. The perfusion of a drug into abnormal tissue in a tumor (12) is enhanced by heating the treatment site at which the tumor is disposed using a heat source (26) mounted on a fixture (20, 34) separate...http://www.google.co.uk/patents/US5814008?utm_source=gb-gplus-sharePatent US5814008 - Method and device for applying hyperthermia to enhance drug perfusion and efficacy of subsequent light therapy 
