A61B5/318

BIOSIGNAL MEASURING APPARATUS, BIOSIGNAL PROCESSING APPARATUS AND METHOD OF OPERATING BIOSIGNAL PROCESSING APPARATUS
20220323016 · 2022-10-13 · ·

A biosignal measuring apparatus, a biosignal processing apparatus, and an operating method of the biosignal processing apparatus are provided. The biosignal measuring apparatus may include a plurality of electrodes configured to be in contact with a skin of an object and receive electrical signals generated from the object, a biosignal sensing circuit electrically connected to the plurality of electrodes and configured to generate a biosignal based on the electrical signals received through the plurality of electrodes, an impedance measuring circuit electrically connected to the plurality of electrodes and configured to measure an impedance between the plurality of electrodes which is to be used for correcting a magnitude of the biosignal varying with time, and a signal processing unit configured to receive the biosignal from the biosignal sensing circuit and an impedance value from the impedance measuring circuit, and correct the magnitude of the biosignal based on the impedance value.

Bragg grated fiber optic fluctuation sensing and monitoring system

Disclosed herein is a system, apparatus and method directed to detecting damage to an optical fiber of a medical device. The optical fiber includes core fibers including a plurality of sensors configured to (i) reflect a light signal based on received incident light, and (ii) change a characteristic of the reflected light signal based on experienced strain. The system also includes a console having memory storing logic that, when executed, causes operations of providing receiving reflected light signals of different spectral widths of the broadband incident light by one or more of the plurality of sensors, processing the reflected light signals to detect fluctuations of a portion of the optical fiber, and determining a location of the portion of the optical fiber or a defect affecting a vessel in which the portion is disposed based on the detected fluctuations. The portion may be a distal tip of the optical fiber.

Bragg grated fiber optic fluctuation sensing and monitoring system

Disclosed herein is a system, apparatus and method directed to detecting damage to an optical fiber of a medical device. The optical fiber includes core fibers including a plurality of sensors configured to (i) reflect a light signal based on received incident light, and (ii) change a characteristic of the reflected light signal based on experienced strain. The system also includes a console having memory storing logic that, when executed, causes operations of providing receiving reflected light signals of different spectral widths of the broadband incident light by one or more of the plurality of sensors, processing the reflected light signals to detect fluctuations of a portion of the optical fiber, and determining a location of the portion of the optical fiber or a defect affecting a vessel in which the portion is disposed based on the detected fluctuations. The portion may be a distal tip of the optical fiber.

SYSTEMS AND METHODS FOR CLASSIFYING USER TASKS AS BEING SYSTEM 1 TASKS OR SYSTEM 2 TASKS

Systems and methods for determining whether a user employs System 1 type thinking or System 2 type thinking when engaged in a task are disclosed. The systems and methods include determining one or more properties of the task based on information regarding the task received from a database storing information regarding the task, determining one or more properties of the user with respect to the task, determining a state of the user based on one or more physiological sensors configured to sense one or more characteristics of the user, and determining that the user employs System 1 type thinking or System 2 type thinking when engaged in the task based on the determined one or more properties of the task, the determined one or more properties of the user, and the determined state of the user.

CPR chest compression machine stopping to detect patient recovery

Embodiments of the present concept are directed to CPR chest compression machines that include a sensor to detect a parameter about a patient, such as an indication of patient recovery, and include a processor that determines whether to cease series of successive compressions on the patient in response to the detected parameter.

CPR chest compression machine stopping to detect patient recovery

Embodiments of the present concept are directed to CPR chest compression machines that include a sensor to detect a parameter about a patient, such as an indication of patient recovery, and include a processor that determines whether to cease series of successive compressions on the patient in response to the detected parameter.

Apparatus for testing, assessment, and maintenance of harvested hearts for transplanting

An apparatus, a system, and methods for receiving, perfusing and maintaining and assessing excised donor heart physiological functionality. The system generally comprises an apparatus for receiving and holding an excised heart that is interconnected with: (i) a perfusate-processing system, (ii) a bi-directional perfusate pumping system, (iii) flow sensors for monitoring the flow of perfusate to and from an installed heart's aorta, pulmonary artery, pulmonary vein, and vena cava, (iv) an ECG apparatus interconnectable with the installed heart, and (v) probes interconnecting the installed heart with instruments for monitoring the heart's physiological functionality using load independent indices and load dependent indices.

Controlling input/output devices

An electronic device is provided processor configured to: receive a biological signal of a user; detect whether the electronic device is attached to or detached from the user based on at least the biological signal; and control an I/O device operationally connected to the electronic device based on whether the electronic device is attached to or detached from the user.

Wearable electrode

A wearable electrode includes an electrode (203) fixed to garment (21) such that the electrode (203) can simultaneously come in contact with the skin of respective parts from the ventral side to the dorsal side of the upper left part of the body of a wearer (20), and an electrode (204) fixed to the garment such that the electrode (204) can simultaneously come in contact with the skin of respective parts from the ventral side to the dorsal side of the upper right part of the body of the wearer (20). The electrodes (203, 204) are installed such that the attaching positions gradually descend from the ventral side to the dorsal side with the wearer (20) standing upright, or the attaching positions gradually ascend from the ventral side to the dorsal side with the wearer (20) standing upright.

Wearable electrode

A wearable electrode includes an electrode (203) fixed to garment (21) such that the electrode (203) can simultaneously come in contact with the skin of respective parts from the ventral side to the dorsal side of the upper left part of the body of a wearer (20), and an electrode (204) fixed to the garment such that the electrode (204) can simultaneously come in contact with the skin of respective parts from the ventral side to the dorsal side of the upper right part of the body of the wearer (20). The electrodes (203, 204) are installed such that the attaching positions gradually descend from the ventral side to the dorsal side with the wearer (20) standing upright, or the attaching positions gradually ascend from the ventral side to the dorsal side with the wearer (20) standing upright.