Laterally reflecting tip for laser transmitting fiber

Details Laterally reflecting tip for laser transmitting fiber Laterally reflecting tip for laser transmitting fiber

1994-10-18

1998-09-15

Peffley, Michael

Surgery

Instruments

Light application

606 18, 606 15, A61B 1732

Patent

active

058073892

ABSTRACT:
An operating assembly for use in a liquid operating environment includes a flexible elongated light transmitting fiber having a light reflecting tip mounted thereon for reflecting the light beam laterally. The tip includes a number of features which minimize undesired heating of the tip. The tip is preferably made of solid gold and has a reflecting mirror surface coined on the gold tip. A lateral flushing passageway is disposed through the tip and allows surrounding ambient liquid to flow across the surface of the mirror to aid in cooling the tip and to aid in keeping the mirror clean. The tip is preferably mounted on the fiber by crimping. The tip includes a sufficient volume of material having a sufficient thermal conductivity located between the reflecting mirror and the crimped connection so as to dissipate heat energy which may be generated in the tip and to avoid sufficient heat energy reaching the crimped connection to cause a thermally induced failure of the mechanical attachment of the tip to the fiber at the crimp.

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International Publication No. WO 89/11834.
Eighth Congress of the International Society for Laser Surgery and Medicine, vol. II at p. 1510 (1989).
Exhibit A.
International Publication No. WO 89/00408.

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