BRAIN PROBE ADAPTED TO BE INTRODUCED THROUGH A CANULA
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Accused Products
Abstract
A bio-probe having a base and a tip and also including a set of at least four conductors extending longitudinally along the bio-probe, the conductors being coated with dielectric material. Also, at least four of the conductors define a spot where the dielectric material has been removed, thereby defining an electrical contact site. In addition, the bio-probe is less than 2.5 mm thick in its greatest transverse dimension along a longitudinal portion extending from the tip to a point 6 cm proximal of the tip.
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Citations
29 Claims
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1-20. -20. (canceled)
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21. A brain probe for insertion into brain tissue and for sensing neuronal signals, comprising:
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(a) a core providing structural support for the brain probe; (b) a dielectric coating, disposed over the core, a surface of the dielectric coating being substantially round, wherein the dielectric coating is a flexible tube of insulative material and the core is removable from the tube; (c) a set of traces circumscribing an exterior surface of the flexible tube, wherein (i) each trace of the set of traces includes at least a first layer and a second layer, (ii) the first layer is bonded to the insulative material of the flexible tube by bonds produced by sputtering or vapor deposition, (iii) the second layer is plated to the first layer, and (iv) each trace of the set of traces is arranged in a helical manner from a proximal portion of the flexible tube to a distal portion of the flexible tube; (d) a dielectric layer applied over the traces, wherein an electrical contact point is exposed through the dielectric layer at a the distal end of the brain probe for each trace of the set of traces; (e) a set of insulated wires, each electrically connected to a respective trace of the set of traces; and (f) a tube affixed to the proximal end of the core, covering the wires. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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Specification