Optical systems and methods for intraoperative detection of CSF leaks
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United States of America Patent
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Oct 22, 2024
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N/A
app pub date -
Dec 6, 2021
filing date -
Jun 7, 2019
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Abstract
A multi-wavelength surgical system is provided using an endoscope sensitive in the short-wave infrared region which allows exploration of different areas of the skull base for CSF leaks. The device includes an LED box with multiple wavelengths including allowing excitation of ICG with 785-808 nm, enhancing the water absorption from 1200-1550 nm and above 1800 nm and incorporating white light to allow for surgical navigation. Because CSF is 99% water having a large absorption in the SWIR band around 1200-1550 nm and above 1800 nm, the system and method should be an effective means of diagnosis without the need for intrathecal fluorescein.
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