Device for rinsing a hollow guide for carbon dioxide lasers

Details Device for rinsing a hollow guide for carbon dioxide lasers Device for rinsing a hollow guide for carbon dioxide lasers

1991-03-12

1992-09-22

Epps, Georgia Y.

Coherent light generators

Particular active media

Gas

372 34, 372 58, 372 59, 372 65, H01S 303

Patent

active

051503735

ABSTRACT:
The hollow guide is designed as a thin ceramic hollow tube which is guided in an outer tube while leaving a hollow space between the outer tube and the ceramic hollow tube, the outer tube being provided at its proximal end with a connecting part having a gas connection and receiving a focusing optical system. The ceramic hollow tube is guided in the outer tube through at least one mounting part arranged at the proximal end and at least one mounting part at the distal end, which in each case is supported locally with respect to the inner wall of the outer tube. The mounting parts are thus arranged so that free flow cross-sections to conduct the rinsing gas remain in the region of support, these being matched with the internal inner cross-section of the ceramic hollow tube, so that gas flow flowing past the ceramic hollow tube is produced both on the outside and on the inside. The gas flow effects cooling of the ceramic hollow tube on the one hand and prevents impurities penetrating the distal end of the ceramic hollow tube on the other hand.

REFERENCES:
patent: 3784927 (1974-01-01), Rudolph
patent: 4365335 (1982-12-01), Lamboo
patent: 4519390 (1986-05-01), Horne
patent: 4592353 (1986-06-01), Daikuzono
patent: 4823356 (1889-04-01), Riley
patent: 4866726 (1989-09-01), Ortiz et al.
patent: 5020070 (1991-05-01), Lombardo
Frank, F. Waveguide-Laser, die neue CO.sub.2 -Laser Generation, Laser Brief (1985), a publication of MBB Laser-Therapie Systems and Translation thereof.

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