The present invention provides improved balloon catheter apparatuses for use in therapies requiring delivery of uniform light to a treatment area. The improved apparatus comprises a balloon having a defined treatment window where the window is delineated using a reflective material. The apparatus may further comprise a fiber optic cable that terminates in a diffusion tip where the diffusion tip is longer than the treatment window. The present invention further provides improved therapeutic methods that use the improved balloon catheters of the present invention.
申请公布号
CA2255058(A1)
申请公布日期
1997.11.27
申请号
CA19972255058
申请日期
1997.05.16
申请人
QLT PHOTOTHERAPEUTICS, INC.;BOWER, BOB;YAN, JOSEPH;STONEFIELD, MIKE