{
  "patent_number": "US 12733904",
  "country": "US",
  "title": "How Radio Waves Measure Heart Movement and Fluid in the Chest",
  "original_title": "Methods and systems for determining fluid content of tissue",
  "summary": "This patent describes a diagnostic system that uses multiple radio frequency antennas placed on the chest to send waves towards the heart, then analyzes the scattered signals to measure the heart's movement in detail.",
  "what_it_does": "The patent details a diagnostic device equipped with multiple antennas designed to be placed at different spots on a person's chest, or thorax. These antennas direct radio frequency (RF) electromagnetic waves from various angles towards the heart. The waves interact with the heart tissue and scatter back, and these scattered RF signals are then picked up by the antennas. Processing circuitry within the device analyzes these signals over time to create a detailed, multi-dimensional measurement of the heart's movement. For instance, this could allow doctors to monitor subtle changes in heart wall motion or detect fluid buildup around the heart by observing how its movement patterns change.",
  "what_it_does_not_cover": [
    "Does not cover diagnostic systems that use sound waves (like ultrasound) to measure heart movement or fluid content.",
    "Does not cover systems that measure fluid content or movement in other body parts, such as the lungs or limbs, as it specifies the 'thorax' and 'heart'.",
    "Does not cover diagnostic devices that rely on a single antenna to send and receive radio frequency waves.",
    "Does not cover systems that only provide a one-dimensional measurement of heart movement, as it specifies a 'multi-dimensional measurement'.",
    "Does not cover direct electrical measurements of heart activity, such as those obtained through an electrocardiogram (ECG)."
  ],
  "filed": "2024-07-12",
  "granted": "2026-09-15",
  "expires": null,
  "status": "active",
  "holder": null,
  "holder_url": null,
  "inventors": [],
  "times_cited": 0,
  "tags": [
    "biotech",
    "medical_devices",
    "telecommunications",
    "consumer_electronics"
  ],
  "abstract": "Diagnostic apparatus includes a plurality of antennas, which are configured to be disposed at different, respective locations on a thorax of a living body so as to direct radio frequency (RF) electromagnetic waves from different, respective directions toward a heart in the body and to output RF signals responsively to the waves that are scattered from the heart. Processing circuitry is configured to process the RF signals over time so as to provide a multi-dimensional measurement of a movement of the heart.",
  "url": "https://patentbrief.org/patent/us/12733904/methods-and-systems-for-determining-fluid-content-of-tissue",
  "markdown_url": "https://patentbrief.org/patent/us/12733904/methods-and-systems-for-determining-fluid-content-of-tissue/md",
  "google_patents_url": "https://patents.google.com/patent/US12733904",
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}