PRESSURE SENSING UNIT, SYSTEM AND METHOD FOR REMOTE PRESSURE SENSING
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United States of America
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Issued Date -
Oct 31, 2024
app pub date -
May 7, 2024
filing date -
May 7, 2024
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Abstract
A pressure sensing unit comprises a membrane and two permanent magnets inside the cavity. One magnet is coupled to the membrane, and at least one magnet is free to oscillate with a rotational movement. At least one magnet is free to oscillate with a rotational movement. The oscillation takes place at a resonance frequency, which is a function of the sensed pressure, which pressure influences the spacing between the two permanent magnets. This oscillation frequency can be sensed remotely by measuring a magnetic field altered by the oscillation. The pressure sensing unit may be provided on a catheter or guidewire.
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