Masimo‘s patent involves an acoustic sensor system with multiple sensing elements for improved physiological monitoring. The sensors are strategically placed in a single package or multiple packages, with an acoustic sensor support to address skin elasticity and attachment variability. The system includes electromagnetic noise shielding barriers. GlobalData’s report on Masimo 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 Masimo, Medical data analysis was a key innovation area identified from patents. Masimo's grant share as of May 2024 was 40%. Grant share is based on the ratio of number of grants to total number of patents.
Physiological monitoring system with multiple acoustic sensors
A recently granted patent (Publication Number: US11998362B2) discloses an innovative acoustic sensor system designed to enhance noise reduction in medical devices. The system comprises a stack of acoustic sensors, each with a sensing element and an electrode layer, arranged to form an electromagnetic noise shielding barrier. The electrode layers, which can be electrode coatings on the sensing elements, are configured to distribute electromagnetic noise evenly between the sensors, resulting in a higher signal-to-noise ratio. Additionally, an intermediate layer between the sensors electrically insulates them and forms a water-resistant seal, ensuring optimal performance even in challenging conditions.
Furthermore, the patent details a noise attenuator component that combines physiological signal components from the sensors while destructively combining noise components to generate a reduced noise signal with minimal interference. The noise attenuator, which may include circuitry like amplifiers or signal processors, utilizes common-mode rejection to achieve a lower noise component in the final output. The system's method involves attaching the acoustic sensor system to a medical patient, where a coupling bump applies pressure to the sensing elements to transmit acoustic vibrations effectively. This innovative technology aims to improve the accuracy and reliability of physiological parameter monitoring in medical settings, showcasing advancements in noise reduction and signal processing for enhanced patient care.
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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 across the world’s largest industries.
