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公开(公告)号：US11642046B2
公开(公告)日：2023-05-09
申请号：US17072304
申请日：2020-10-16
Applicant: Tata Consultancy Services Limited
CPC classification number: A61B5/1122 , A61B5/0022 , A61B5/681 , A61B5/7264 , A61B2562/0219
Abstract: This disclosure relates generally to a system and method for shoulder proprioceptive analysis of the person. The present disclosure monitors the shoulder joint motion by quantitative measure of range of motion (ROM) and kinesthesia of shoulder using a smart watch, thereby assessing the limit of active motion and the ability to passively reposition the arm in space. The present disclosure estimates the ROM, velocity, quality of joint movement, direction of hand movement using the sensor data captured by the smart watch. Further, the present disclosure provides a performance metrics of the shoulder function by comparing the shoulder motion before and after a prosthesis procedure. The present disclosure implements a rule engine-based approach classifying the shoulder/arm movement which includes flexion, extension, abduction, and adduction, internal and external rotation.
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公开(公告)号：US20210153781A1
公开(公告)日：2021-05-27
申请号：US17072304
申请日：2020-10-16
Applicant: Tata Consultancy Services Limited
Abstract: This disclosure relates generally to a system and method for shoulder proprioceptive analysis of the person. The present disclosure monitors the shoulder joint motion by quantitative measure of range of motion (ROM) and kinesthesia of shoulder using a smart watch, thereby assessing the limit of active motion and the ability to passively reposition the arm in space. The present disclosure estimates the ROM, velocity, quality of joint movement, direction of hand movement using the sensor data captured by the smart watch. Further, the present disclosure provides a performance metrics of the shoulder function by comparing the shoulder motion before and after a prosthesis procedure. The present disclosure implements a rule engine-based approach classifying the shoulder/arm movement which includes flexion, extension, abduction, and adduction, internal and external rotation.
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公开(公告)号：US12220262B2
公开(公告)日：2025-02-11
申请号：US17203578
申请日：2021-03-16
Applicant: Tata Consultancy Services Limited
Inventor： Srinivasan Jayaraman , Joshin Sahadevan , Sundeep Khandelwal , Ponnuraj Kirthi Priya
Abstract: Continuous monitoring of subject's cardiac system using biological signal(s) (BS) during day-to-day activities is essential for managing personal cardiac health/disorders, etc. Conventional systems/methods lack in improvising overall classification results and configured for specific device/signal say ECG or PPG and so on. Present disclosure provides systems and methods for classifying BS obtained from users, wherein BS are preprocessed to obtain filtered signals (FS). Corresponding feature extraction module is utilized for feature set extraction based on features in FS. The feature set is reduced and segmented into test and training data. Biological signal classification model(s) are generated using training data and a BCM is applied on test data to classify biological signals (BS) as one of Atrial Fibrillation (AF), a non-AF, a cardiac arrythmia disorder, or ischemia. Accelerometer features of connected device associated with the users can be obtained to detect activities which in conjunction with the BCM's output improvises above classification.
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公开(公告)号：US20210212626A1
公开(公告)日：2021-07-15
申请号：US17119775
申请日：2020-12-11
Applicant: Tata Consultancy Services Limited
Inventor： Srinivasan Jayaraman , Raghu Thopenahalli Shanmukhapp , Harshad Kulkarni , Joshin Sahadevan , Praveen Sureshrao Kadni
IPC: A61B5/361 , A61B5/256 , A61B5/00 , A61B5/363 , A61B5/265 , A61B5/263 , G16H40/67 , G16H50/70 , G16H50/20
Abstract: Electrocardiogram (ECG) system has been adopted for almost a century to diagnose cardiovascular disease (CVD). Monitoring the cardiac signal provides an insight of CVD and function as an aiding tool for physician towards early detection of cardiac events. A method and wearable device to continuously monitor and determine the cardiac health of the person have been provided. The device is configured to monitor the cardiac system continuously in a partially or fully non-contact manner. The non-contact sensing is achieved by using a hybrid sensing technique. The device consists of a pair of electrodes, one electrode could be a contact sensor that will be touching the skin and the second sensor could be a non-contact sensor. The device facilitates to alert cardiac health monitoring locally or remote location. The device monitors cardiac health in the work environment rather than inducing stress among the participants by making them undergo a stress test.
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