Method for monitoring viability of tissue flaps

Details Method for monitoring viability of tissue flaps Method for monitoring viability of tissue flaps

2005-09-08

2010-02-02

Nasser, Robert L (Department: 3735)

Surgery

Diagnostic testing

Measuring or detecting nonradioactive constituent of body...

C600S323000, C600S324000, C600S473000, C128S898000

Reexamination Certificate

active

07657293

ABSTRACT:
Methods and apparatus for assessing the viability of tissue such as flap tissue are disclosed. According to one aspect of the present invention, a method for assessing the viability of flap tissue includes obtaining an oxygen saturation level associated with a first location on the flap tissue, determining whether the oxygen saturation level is less than a first level, and identifying the first location as having a poor blood supply if the oxygen saturation level is less than the first level.

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Kamolz, L.P. et al., “Continuous Free-Flap Monitoring with Tissue-Oxygen Measurements: Three-Year Experience,” Journal of Reconstructive Microsurgery, vol. 18, No. 6, Aug. 2002, pp. 488-491, Thieme Medical Publishers.
Thorniley, M.S., et al., “The Use of Near-Infrared Spectroscopy for Assessing Flap Viability During Reconstructive Surgery,” British Journal of Plastic Surgery, vol. 51, 1998, pp. 218-226.

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