Pulse oximetry signal correction using near infrared absorption by water
CR Baker Jr, E Karst, C Hoarau - US Patent 8,175,670, 2012 - Google Patents
A method and system for measuring a physiological parameter, comprising collecting a first
absorbance at a first wavelength, chosen to be primarily absorbed by water; collecting a …
absorbance at a first wavelength, chosen to be primarily absorbed by water; collecting a …
Pulse oximetry motion artifact rejection using near infrared absorption by water
M Debreczeny, CR Baker Jr - US Patent 7,277,741, 2007 - Google Patents
A method and an apparatus for measuring a physiological parameter, functioning based on
obtaining a first signal derived from electromagnetic energy transmitted through a tissue …
obtaining a first signal derived from electromagnetic energy transmitted through a tissue …
Isolated layer pulse oximetry
PD Mannheimer - US Patent 5,524,617, 1996 - Google Patents
An apparatus of and method for measuring arterial blood oxygen saturation at a particular
tissue level of interest. Visible and near infrared radiation are emitted into a patient at the …
tissue level of interest. Visible and near infrared radiation are emitted into a patient at the …
Pulse oximeter sensor optimized for low saturation
JR Casciani, PD Mannheimer, SL Nierlich… - US Patent …, 1995 - Google Patents
A pulse oximeter sensor with a light source optimized for low oxygen saturation ranges and
for maximizing the immunity to perturbation induced artifact. Preferably, a red and an …
for maximizing the immunity to perturbation induced artifact. Preferably, a red and an …
Method for spectrophotometric blood oxygenation monitoring
P Benni - US Patent 8,396,526, 2013 - Google Patents
According to the present invention, a method and apparatus for non-invasively determining
the blood oxygen saturation level within a subject's tissue is provided. The method …
the blood oxygen saturation level within a subject's tissue is provided. The method …
Pulse oximeter and sensor optimized for low saturation
JR Casciani, PD Mannheimer, SL Nierlich… - US Patent …, 2003 - Google Patents
A pulse oximeter sensor with a light source optimized for low oxygen saturation ranges and
for maximizing the immunity to perturbation induced artifact. Preferably, a red and an …
for maximizing the immunity to perturbation induced artifact. Preferably, a red and an …
Pulse oximeter and sensor optimized for low saturation
JR Casciani, PD Mannheimer, SL Nierlich… - US Patent …, 1998 - Google Patents
A pulse oximeter sensor with a light source optimized for low oxygen saturation ranges and
for maximizing the immunity to perturbation induced artifact. Preferably, a red and an …
for maximizing the immunity to perturbation induced artifact. Preferably, a red and an …
Pulse oximeter and sensor optimized for low saturation
JR Casciani, PD Mannheimer, SL Nierlich… - US Patent …, 2008 - Google Patents
A pulse oximeter sensor with a light source optimized for low oxygen saturation ranges and
for maximizing the immunity to perturbation induced artifact. Preferably, a red and an …
for maximizing the immunity to perturbation induced artifact. Preferably, a red and an …
Method for non-invasive spectrophotometric blood oxygenation monitoring
PB Benni - US Patent 6,456,862, 2002 - Google Patents
A method and apparatus for non-invasively determining the blood oxygen saturation level
within a subject's tissue is provided that utilizes a near infrared spectrophotometric (NIRS) …
within a subject's tissue is provided that utilizes a near infrared spectrophotometric (NIRS) …
Method and apparatus for calculating arterial oxygen saturation based plethysmographs including transients
RT Stone, DA Briggs - US Patent 5,078,136, 1992 - Google Patents
A method and apparatus for improving the calculation of oxygen saturation by non-invasive
pulse oximeters during transient conditions. Transient conditions introduce artifactual errors …
pulse oximeters during transient conditions. Transient conditions introduce artifactual errors …