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Class Information
Number: 600/336
Name: Surgery > Diagnostic testing > Measuring or detecting nonradioactive constituent of body liquid by means placed against or in body throughout test > Infrared, visible light, or ultraviolet radiation directed on or through body or constituent released therefrom > Determining blood constituent > Oxygen saturation, e.g., oximeter > Detects constituents while excluding components (e.g., noise)
Description: Subject matter wherein signals due to movement by a patient are filtered in favor of signals needed to measure the oxygen saturation of the blood.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8676286 Method and apparatus for reducing coupling between signals in a measurement system Mar. 18, 2014
8676542 Adaptive filtering for more reliably determining physiological parameters Mar. 18, 2014
8660626 System and method for mitigating interference in pulse oximetry Feb. 25, 2014
RE44735 Multi-channel non-invasive tissue oximeter Jan. 28, 2014
8588878 Simultaneous measurement of pulse and regional blood oxygen saturation Nov. 19, 2013
8560034 Signal processing apparatus Oct. 15, 2013
8560036 Selection of ensemble averaging weights for a pulse oximeter based on signal quality metrics Oct. 15, 2013
8548546 Pulse oximetry and pulse oximeter Oct. 1, 2013
8532728 Pulse oximeter probe-off detector Sep. 10, 2013
8504130 Non-interfering physiological sensor system Aug. 6, 2013
8489364 Variable indication estimator Jul. 16, 2013
8478376 Systems and methods for determining physiological information using selective transform data Jul. 2, 2013
8463349 Signal processing apparatus Jun. 11, 2013
8447374 Systems and methods for determining blood oxygen saturation values using complex number encoding May. 21, 2013
8442608 System and method for estimating physiological parameters by deconvolving artifacts May. 14, 2013
8437824 Body-worn pulse oximeter May. 7, 2013
8428674 Apparatus for spectrometric based oximetry Apr. 23, 2013
8423107 Pulse oximetry and pulse oximeter Apr. 16, 2013
8423109 Method for enhancing pulse oximery calculations in the presence of correlated artifacts Apr. 16, 2013
8364225 Estimating transform values using signal estimates Jan. 29, 2013
8364226 Signal processing apparatus Jan. 29, 2013
8359080 Signal processing apparatus Jan. 22, 2013
8352008 Active noise cancellation in an optical sensor signal Jan. 8, 2013
8346333 Systems and methods for estimating values of a continuous wavelet transform Jan. 1, 2013
8315684 Oximeter ambient light cancellation Nov. 20, 2012
8298154 Techniques for accurately deriving physiologic parameters of a subject from photoplethysmographic measurements Oct. 30, 2012
8271063 System and method for a non-invasive medical sensor Sep. 18, 2012
8260577 Variable indication estimator Sep. 4, 2012
8255028 Physiological monitor Aug. 28, 2012
8238994 Adjusting parameters used in pulse oximetry analysis Aug. 7, 2012
8204567 Signal demodulation Jun. 19, 2012
8195263 Pulse oximetry motion artifact rejection using near infrared absorption by water Jun. 5, 2012
8190227 Signal processing apparatus and method May. 29, 2012
8185180 Method and apparatus for demodulating signals in a pulse oximetry system May. 22, 2012
8175669 Apparatus and method for measuring oxygen saturation in blood May. 8, 2012
8175670 Pulse oximetry signal correction using near infrared absorption by water May. 8, 2012
8150487 Method and apparatus for demodulating signals in a pulse oximetry system Apr. 3, 2012
8126528 Signal processing apparatus Feb. 28, 2012
8112137 Method and circuit for storing and providing historical physiological data Feb. 7, 2012
8102259 Fluorescent light immunity through synchronous sampling Jan. 24, 2012
8073516 Separating motion from cardiac signals using second order derivative of the photo-plethysmogram and fast fourier transforms Dec. 6, 2011
8050730 Method and apparatus for eliminating interference in pulse oxygen measurement Nov. 1, 2011
8046042 Signal processing apparatus Oct. 25, 2011
8036728 Signal processing apparatus Oct. 11, 2011
8024021 Time-segmented pulse oximetry and pulse oximeter performing the same Sep. 20, 2011
8019400 Signal processing apparatus Sep. 13, 2011
8005523 Signal processing for pulse oximetry Aug. 23, 2011
7991448 Method, apparatus, and system for removing motion artifacts from measurements of bodily parameters Aug. 2, 2011
7962190 Signal processing apparatus Jun. 14, 2011
7957781 Method and circuit for storing and providing historical physiological data Jun. 7, 2011

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