Light diffuser for the photodynamic therapy of tumors in the oes

Details Light diffuser for the photodynamic therapy of tumors in the oes Light diffuser for the photodynamic therapy of tumors in the oes

1991-01-04

1993-06-15

Green, Randall L.

Surgery

Instruments

Light application

606 2, 606 13, 606 17, 606 18, A61B 1736

Patent

active

052193462

ABSTRACT:
A light diffuser for simultaneous photodynamic therapy and hyperthermic treatment in the oesophagus has an arrangement (14 to 18) which disperses radially the light (10) fed in by way of an optical fiber (6) and has a tube (12) filled with silicone to which are added concentrations, modulated in the axial direction, of quartz grains having a diameter of approximately 40 .mu.m which bring about a refraction having little dependence on the wavelength.

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patent: 5151096 (1992-09-01), Khoury
Wagnieres et al., Photodynamic Therapy of Early Cancer in the Upper Aerodigestive Tract & Bronchi, 1990, pp. 251-252, FIGS. 1 & 2; p. 258 FIG. 10.
Merck Index 11th Edition 1989, pp. 1207 & C1286.

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