Tumor site or parathyroid gland identification device and method
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United States of America Patent
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Jan 26, 2016
Grant Date -
Jun 12, 2014
app pub date -
Dec 27, 2013
filing date -
Jun 29, 2011
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Abstract
The present invention provides a device for identifying a tumor site in a subject, the device spectroscopically detecting fluorescence of protoporphyrins present in the tumor site,
- the protoporphyrins being protoporphyrin IX (PpIX) and photo-protoporphyrin (PPp), andthe device comprising:a light irradiation unit that converts part of PpIX into PPp;a spectroscopy unit that separates PpIX fluorescence and PPp fluorescence:a spectroscopy detection unit that detects the relative fluorescence intensity of the PpIX fluorescence and the PPp fluorescence; anda tumor discrimination unit that discriminates between the tumor site and a non-tumor site based on the relative fluorescence intensity of PpIX and PPp.
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