Apparatus for detecting surgical objects within the human body
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United States of America Patent
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Oct 10, 1995
Issued Date -
N/A
app pub date -
Jan 3, 1994
filing date -
Nov 17, 1992
priority date (Note) -
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Abstract
An apparatus and method detects surgical objects within the human body where the apparatus includes the surgical object utilized in surgical procedures including a marker made of a selected nonmagnetostrictive, soft magnetic material which will emit known specific selected harmonic frequencies when exposed to an alternating electromagnetic field. That emission will cause a change in the alternating electromagnetic field which can be correlated to the presence of only the selected nonmagnetostrictive, soft magnetic material.
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