System and method for non-invasive, intracranial b rain motion monitoring

a motion monitoring and intracranial technology, applied in the field of electronic methods and systems, can solve the problems of many aspects of the injury process that remain obscure, the pathophysiological mechanisms underlying the tbi are complex, and the tbi remains an inadequately understood medical problem, so as to achieve enhanced brain measurements and high sensitive

Active Publication Date: 2016-05-19
THE GENERAL HOSPITAL CORP
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Benefits of technology

The technical effect of this patented system or method described in this patents relates to improving neurology through nerve stimulation techniques that can be used without causing damage to the patient's body while still allowing them to move freely around within it. This allows researchers to study how they respond differently from external forces like falling down on an object. Additionally, these devices allow us to monitor changes caused by physical stressors affecting our brains after injury.

Problems solved by technology

This patented technical solution described in this patents involves developing new ways to measure changes caused by physical stress when subjected to external forces. These techniques could potentially improve our understanding about neurology physicians' abilities to diagnose and treat patients who experience severe brain damages due to accidents involving falls into deep water.

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  • System and method for non-invasive, intracranial b rain motion monitoring
  • System and method for non-invasive, intracranial b rain motion monitoring
  • System and method for non-invasive, intracranial b rain motion monitoring

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[0026]Near-infrared neuromonitoring (NIN) offers the ability to track acute changes in cerebral hemodynamics non-invasively, since human tissue is sufficiently transparent to near-infrared (NIR) wavelengths (650-950 nm), to enable monitoring of the brain. Advantageously, NIR wavelengths are non-ionizing and do not harm biological tissue at typical power densities in the range of 1-4 mW / cm2, as compared to ambient near-infrared light level on a sunny day is about 50 mW / cm2. By employing multiple colors of NIR light on a scalp and placing a detector a few centimeters away, the recorded light intensity may be used to measure concentrations of oxy-hemoglobin (Hb02), deoxy-hemoglobin (HHb), and total-hemoglobin (HbT), which is proportional to blood volume when hematocrit remains constant.

[0027]As used herein, reference to a wavelength for an optical signal refers to a wavelength at maximum intensity, an average wavelength of the wavelengths at half-maximum intensity, or other suitable m

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Abstract

A system and a method is provided for assessing motion of a biological tissue of a subject including one or more superficial biological layers and a targeted biological layer. An optical perturbation is introduced within the one or more superficial biological layers but not within the targeted biological layer. A set of optical signal data is acquired preceding, during, or following the optical perturbation and, using the set of optical signal data, a set of optical characteristics is determined that is representative of light transiting the biological layers. Using the set of optical characteristics and a model of the biological layers, a target optical signal consistent with a target biological layer is separated and a movement of the desired biological tissue is determined using the target optical signal.

Description

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Claims

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Application Information

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Owner THE GENERAL HOSPITAL CORP
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