Multi-wavelength incremental absorbence oximeter
Measurement system having pole zero cancellation
Pulse rate monitor
Cardiac flow monitor
Method and apparatus for determining oxygen saturation in vivo
Skin pallor and blush monitor Patent #: 4723554
ApplicationNo. 229692 filed on 08/08/1988
US Classes:600/336, Detects constituents while excluding components (e.g., noise)600/500Detecting blood vessel pulsation
ExaminersPrimary: Howell, Kyle L.
Assistant: Hanley, John C.
Attorney, Agent or Firm
International ClassA61B 005/00
Foreign Application Priority Data1987-08-14 GB
AbstractA pulse oximeter apparatus characterized in that it comprises a bandpass filter adapted selectively to exclude motion artefact from wanted signal is disclosed.Also disclosed is the use of such an apparatus for the determination of pulse rate and/or arterial blood oxygen saturation.