Abstract: An adjustable optical mount adapted for use with an optical table defining a reference plane includes a hollow housing with openings in the side walls to allow passage of an optical beam therethrough, a gimbal base fixed on the top of the housing, a gimbal plate adjustably mounted under the gimbal base, and a carrier bracket fixed to the gimbal plate for holding preselected optical elements within the housing along the path of the beam. Adjustment mechanisms are provided to tilt and rotate the gimbal plate so as to align the optical element on a selected axis relative to the reference plane.

Abstract: Apparatus and methods in which very small volumes of biological fluid-borne material, particularly large molecules such as proteins, may be selectively extracted from or delivered to interstitial fluid (in vivo or in vitro) by means of intra-parenchymal micro-probes inserted in the brain. The primary use of the micro-probe is in neuroscience research, clinical diagnostics or treatment of epilepsy and other neurological conditions; it may also be applied to other organs and biological systems. Eventual human clinical applications may include neurosurgical monitoring, functional tracking of devices or materials introduced in a surgical procedure, or cerebro-spinal fluid sampling.