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Sword Health has filed a patent for a method and system that tracks and corrects stretching of straps in a motion tracking system. The method involves processing stretch values of each strap, comparing them to a stored baseline value, and executing corrective actions when necessary. The patent also includes a motion tracking system, data processing device, computer program, and computer-readable medium. GlobalData’s report on Sword Health gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Sword Health, treatment progress monitoring was a key innovation area identified from patents. Sword Health's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.

Motion tracking system for monitoring and correcting strap stretching

Source: United States Patent and Trademark Office (USPTO). Credit: Sword Health Inc

A recently filed patent (Publication Number: US20230166155A1) describes a method and system for motion tracking. The method involves processing stretch values for each strap of a motion tracking system, which represent the stretching of the strap while arranged on a person's body. The length values of each strap are derived based on the stretch values and compared to a stored baseline value. If the comparison exceeds a predetermined threshold, a corrective action is executed.

The corrective action can include determining the body member on which each strap is arranged, providing user perceptible signals indicating incorrect strap arrangement or wearing off, and transmitting a notification of the issue to a remote electronic device. The method also includes processing second stretch values and length values to compute baseline values for each strap, which are stored for future comparisons.

The motion tracking system described in the patent includes straps, inertial measurement units, stretching sensors, and a computing device with a processor and memory. The computing device processes stretch values, derives length values, compares them to baseline values, and executes corrective actions when necessary. The corrective actions can involve determining strap arrangement, providing user signals, and transmitting notifications.

The system can also use an optical sensing device to capture images of the person wearing the straps and determine the positions of the units attached to the straps. This information is used to compute the strap positions and detect any unevenness in the strap arrangement. The system can also determine the body member on which each strap is arranged based on predetermined movements performed by the person and the variation in stretch values.

Additionally, the system can detect muscular mass imbalance between body members by comparing stretch or length values and execute corrective actions such as storing or transmitting the values, establishing communication links, or setting different constraints for each body member during predetermined movements.

In summary, the patent describes a method and system for motion tracking that involves processing stretch and length values of straps, comparing them to baseline values, and executing corrective actions when necessary. The system can also use optical sensing and predetermined movements to determine strap arrangement and detect muscular mass imbalance.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies