Device, system, and method for a stress sensing medical needle
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United States of America Patent
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Apr 5, 2016
Grant Date -
Nov 24, 2011
app pub date -
Apr 21, 2011
filing date -
Apr 22, 2010
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Abstract
In an embodiment, an apparatus comprises a needle (e.g., hypodermic needle or trocar) and sensor (e.g., fiber Braggs grating sensor) coupled to a system to determine (e.g., in real time) stress and/or vibrations encountered by the needle. Consequently, various embodiments may (a) help identify nearby vessels, (b) determine whether the needle penetrated a hollow body structure, and (c) accurately guide needles towards a target structure (e.g., vessel). Other embodiments are described herein.
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