A method and apparatus for affixing a sensor adjacent a tissue site is disclosed. In an
embodiment, the spectrophotometric sensor comprises, a sensor body, one or more light …

The present disclosure describes systems and methods that use spatial modulation to focus
continuous wave light into a localized region of interest such as an individual blood vessel …

Methods and systems are provided that include sampling a light intensity signal at different
frequencies based on the waveform of the signal to produce a more accurate digitized …

A medical sensor may be adapted to account for factors that cause irregularities in pulse
oximetry measurements or other spectrophotemetric measurements. Sensors are provided …

An apparatus and method according to the invention combine more than one optical
modality (spectroscopic method), including but not limited to fluorescence, absorption …

A method is provided for determining contact of a sensor with a patient's tissue. The method
comprises comparing the intensity of detected light at a first wavelength to a threshold …

A unitary sensor is provided that includes a frame upon which electrical and optical
components may be disposed and a coating, such as an overmolded coating provided …

US PATENT DOCUMENTS(57) ABSTRACT 3,638,640 A 2, 1972 Shaw There is provided a
sensor for pulse oximeter systems. The 38 A. 3, 1973 Condon et al. sensor comprises a first …

A sensor for pulse oximetry or other applications utilizing spectrophotometry may be
adapted to reduce motion artifacts by fixing the optical distance between an emitter and …

A medical instrument that comprises: a first-stage optic responsive to a tissue surface of a
patient; a spectral separator optically responsive to the first stage optic and having a control …