A61B5/4064

SYSTEMS AND METHODS FOR VASCULAR MAPPING

Systems, apparatuses, methods, and non-transitory computer-readable media for mapping a section of a vasculature of a subject are described herein, including moving a probe to a first position at a body of the subject adjacent the section of the vasculature; transmitting, by the probe, a first ultrasound beam into a first portion of the section of the vasculature through the body of the subject; receiving first ultrasound data including at least one imaging parameter of the first portion based on the first ultrasound beam; moving the probe to a second position at the body of the subject adjacent the section of the vasculature and different from the first position; transmitting, by the probe, a second ultrasound beam into a second portion of the section of the vasculature through the body of the subject; receiving second ultrasound data including the at least one imaging parameter of the second portion based on the second ultrasound beam; and constructing a map of the section of the vasculature based on the first ultrasound data and the second ultrasound data.

METHODS OF AND APPARATUS FOR ASSESSMENT OF SUBJECTS WITH DISORDERS OF CONSCIOUSNESS

A method of assessing a subject including: measuring a plurality of respirations of the subject; determining one or more respiration parameter from the plurality of respirations; and determining, using the one or more respiration parameter, one or more of: a state of consciousness of the subject; and a prognosis of the subject.

System, Control Method, Information Providing Method, and Recording Medium
20230169648 · 2023-06-01 ·

There is provided a system for determining the state of dementia by using an image differentiation technique and a cognitive test score together with each other.

A system includes: a first input module configured to acquire a first evaluation index based on data regarding the physical state of a brain of a subject; a second input module configured to acquire a second evaluation index based on data regarding the function of the brain of the subject; and an estimation module configured to estimate the state of dementia of the subject based on an evaluation value obtained by a first evaluation function having the first evaluation index and the second evaluation index as its variables.

METHODS AND SYSTEMS FOR ANALYZING A CENTRAL NERVOUS SYSTEM BASED ON BRAINSTEM STRUCTURAL CHARACTERISTICS

Some methods of analyzing one or more sections of a central nervous system of a patient comprise, for each of the section(s), from data the includes one or more 3D representations of the section, segmenting each of the 3D representation(s) into ventral and dorsal portions and, for at least one of the 3D representation(s), determining a mean curvature of at least a region of a surface of the dorsal portion and/or a mean curvature of at least a region of a surface of the ventral portion. Each of the section(s) can include at least a portion of a brainstem of the patient.

SYSTEM AND METHOD FOR NON-INVASIVE, INTRACRANIAL BRAIN MOTION MONITORING

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.

Flow Sensor for Ventilation

A flow sensor system for ventilation treatment comprises a flow conduit configured to allow gas flow between a first region and a second region, the flow conduit defining a lumen for the gas flow; a flow restrictor disposed within the lumen of the flow conduit between the first region and the second region; a first absolute pressure sensor disposed adjacent to the first region of the flow conduit and configured to measure a pressure of the gas flow at the first region of the flow conduit; and a second absolute pressure sensor disposed adjacent to the second region of the flow conduit and configured to measure pressure of the gas flow at the second region of the flow conduit.

METHODS AND DEVICES FOR VIRTUALLY RECONSTRUCTING BRAIN-WIDE NEURAL ACTIVITY FROM LOCAL ELECTROPHYSIOLOGICAL RECORDINGS
20230165509 · 2023-06-01 ·

Methods and devices for computationally constructing brain potentials across whole brain using electrocorticography signals recorded from a small region on the brain surface are disclosed. In some embodiments of the disclosed technology, a method includes obtaining a plurality of locally recorded surface potentials from a plurality of first cortical areas of a brain surface; and performing a virtual reconstruction of an average brain activity for individual cortical areas and a pixel-level cortex-wide brain activity for a plurality of cortical areas of the brain surface including the plurality of first cortical areas based on the plurality of locally recorded surface potentials.

Device and method for analyzing cerebrovascular disease and stenosis by using photoplethysmography

Light is irradiated to a finger of a subject and received from the finger of the subject to extract a pulse wave signal, generates an optimized pulse wave signal in a desired type by sampling the extracted pulse wave signal according to a predetermined sampling condition and normalizes the generated pulse wave signal, the entire segment of the normalized pulse signal is divided into a plurality of window segments to detect a pulse wave amplitude value with respect to a pulse wave signal for each window, a first eigenvector for each subject corresponding to a pulse wave amplitude value of the entire window segment is extracted by using a linear discriminant analysis and then the first eigenvector per subject is compared with a threshold, determines distribution of eigenvectors for each subject compared to the threshold and thus a characteristic of the corresponding subject is diagnosed.

Method and apparatus for providing transcranial magnetic stimulation (TMS) to an individual

Apparatus for applying Transcranial Magnetic Stimulation (TMS) to an individual, wherein the apparatus comprises: a head mount for disposition on the head of an individual; and a plurality of magnet assemblies for releasable mounting on the head mount, wherein each of the magnet assemblies comprises a permanent magnet, and at least one of (i) a movement mechanism for moving the permanent magnet and/or (ii) a magnetic shield shutter mechanism, for selectively providing a rapidly changing magnetic field capable of inducing weak electric currents in the brain of an individual so as to modify the natural electrical activity of the brain of the individual; wherein the number of magnet assemblies mounted on the head mount, their individual positioning on the head mount, and their selective provision of a rapidly changing magnetic field is selected so as to allow the spatial, strength and temporal characteristics of the magnetic field to be custom tailored for each individual, whereby to provide individual-specific TMS therapy, to assist in diagnosis or to map out brain function in neuroscience research.

Autonomous vehicle operating status assessment

Methods and systems for monitoring use, determining risk, and pricing insurance policies for a vehicle having one or more autonomous or semi-autonomous operation features are provided. According to certain aspects, a computer-implemented method for real-time determination of the status of autonomous operation features of an autonomous or semi-autonomous vehicle may be provided. With the customer's permission, the operation of the autonomous or semi-autonomous vehicle may be monitored to obtain operating data from one or more autonomous operation features. An operating status of the autonomous features may be determined based upon the operating data. After which, a change in the operating status of the autonomous features may be identified, and a report containing information regarding the change in the operating status of the autonomous features may be generated. Insurance discounts may be provided to risk averse customers that maintain their autonomous vehicles, and associated accident avoidance functionality, in good working condition.