Fibre-optic apparatus for the photodynamic treatment of tumours

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

A - Human Necessities

61

N

326/4

A61N 5/06 (2006.01)

Patent

CA 2033673

A bronchoscope has a fibre-optic apparatus for the photodynamic treatment of tumours in the region of the furcate branches of the bronchi, the divergent pencil of rays (13), which emerges from the end face (4) 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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