The United States of America As Represented by the United States

Laserscope, Inc.

Alan L Grantz

Peter S Hertzmann

Tor S Larsen

David A Gollnick

An elongated tube for inserting instrumentation during a percutaneous diskectomy using a laser introduces an optical guide into the nucleus of a herniated disc. The optical guide is disposed along the elongated tube and guides a laser beam. The laser beam which is guided by the optical guide is not aligned with at least a portion of the elongated tube.

Means for inserting instrumentation for a percutaneous diskectomy using

A fluidic self-actuating control assembly for use in a reactor wherein no external control inputs are required to actuate (scram) the system. The assembly is constructed to scram upon sensing either a sudden depressurization of reactor inlet flow or a sudden increase in core neutron flux. A fluidic control system senses abnormal flow or neutron flux transients and actuates the system, whereupon assembly coolant flow reverses, forcing absorber balls into the reactor core region.

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Santa Clara, CA, United States of America

Alan L Grantz