Fibre-optic apparatus for the photodynamic treatment of tumors

Details Fibre-optic apparatus for the photodynamic treatment of tumors Fibre-optic apparatus for the photodynamic treatment of tumors

1991-01-04

1992-09-15

Shay, David M.

Surgery

Truss

Pad

128395, 606 15, 606 17, 604 21, A61N 506

Patent

active

051469170

ABSTRACT:
A bronchoscope has a fibre-optic apparatus for the photodynamic treatment of tumors in the region of the furcate branches of the bronchi, the divergent pencil of rays (13), which emerges from the end face (9) of an optical fibre, striking a lens arrangement consisting of two microlenses (14,15) which, owing to the spherical aberration, deflect edge rays (23) in the divergent pencil of rays (13) of the optical fibre (8) in such a manner that a homogeneous sharp-edged emerging pencil of rays is formed.

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patent: 4445892 (1984-05-01), Hussein et al.
patent: 4551129 (1985-11-01), Coleman et al.
patent: 4660925 (1987-04-01), McCaughan, Jr.
patent: 4693244 (1987-09-01), Daikuzon
patent: 4693556 (1987-09-01), McCaughan, Jr.
patent: 4842390 (1989-06-01), Sottini et al.

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