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Method and apparatus for detection of venous pulsation
专利权人:
Clark R. Baker; Jr.
发明人:
Clark R. Baker, Jr.
申请号:
US11528295
公开号:
US08123695B2
申请日:
2006.09.27
申请国别(地区):
US
年份:
2012
代理人:
摘要:
Methods and systems for detecting venous pulsation are provided. In one embodiment, a metric of the pulse shape of one or more plethysmographic signals is derived and the presence of venous pulsation is detected based on the metric of pulse shape. Examples, of metrics of pulse shape include a skew metric and a ratio of a minima-to-maxima time over a pulse period interval. In an exemplary embodiment, the presence of venous pulsation is detected based on a metric of the pulse shape of one or more plethysmographic signals and on a phase comparison of the plethysmographic signals.
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