发明授权
US4418688A Microcatheter having directable laser and expandable walls 失效
微导管具有可定向的激光和可扩展的壁

Microcatheter having directable laser and expandable walls
摘要:
A fiber optic microcatheter device is provided with a conduit directing system to tilt the distal end of an internal conduit with respect to an external tube held in a lumen by expanding the diameter of an elastic zone on the external tube. Within the internal conduit are viewing and illumination fiber optic bundles which permit viewing within the lumen. A laser light transmitting fiber within the internal conduit may be aimed at a site within the lumen by tilting the distal end of the internal conduit. Also provided are tubes for flushing and vacuum to provide clear viewing within the lumen and to remove debris.
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