Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2009-02-24
2011-11-15
Chen, Tse (Department: 3777)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C600S476000, C600S328000, C600S475000, C600S477000
Reexamination Certificate
active
08060188
ABSTRACT:
Prolonged and severe tissue hypoxia results in tissue necrosis in pedicled flaps. We demonstrate the potential of near-infrared spectroscopy for predicting viability of compromised tissue portions. This approach clearly identifies tissue regions with low oxygen supply, and also the severity of this challenge, in a rapid and non-invasive manner, with a high degree of reproducibility. Early, nonsubjective detection of poor tissue oxygenation following surgery increases the likelihood that intervention aimed at saving the tissue will be successful.
REFERENCES:
patent: 4805623 (1989-02-01), Jobsis
patent: 5784162 (1998-07-01), Cabib et al.
Mantsch Henry H.
Sowa Michael G. R.
Stranc Miroslaw F.
Ade & Company Inc.
Chao Elmer
Chen Tse
National Research Council of CANADA
Williams Michael R
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