Balloon catheter for photodynamic therapy

Details Balloon catheter for photodynamic therapy Balloon catheter for photodynamic therapy

1998-12-29

2000-07-11

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 20, 604500, 606192, 607 88, 607 92, A61M 2900

Patent

active

06086558&

ABSTRACT:
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.

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Nseyo, U.O. et al., "Whole Bladder Photodynamic Therapy: Critical Review of Present-Day Technology and Rationale for Development of Intravesical Laser Catheter and Monitoring System," Urology 36(5):398-402 (Nov. 1990).
Overholt, B.F. et al., "Photodynamic Therapy in Barrett's Esophagus: Reduction of Specialized Mucosa, Ablation of Dysplasia, and Treatment of Superficial Esophageal Cancer," Seminars in Surgical Oncology 11(5):372-376 (Sep./Oct. 1995).
Overholt, B.F. et al., "Photodynamic Therapy for Esophageal Cancer Using a 180.degree. Windowed Esphageal Balloon," Lasers in Surgery and Medicine 14(1):27-33 (1994).
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