Multiple wavelength sensor emitters
First Claim
Patent Images
1. A physiological sensor configured to measure an indication of a physiological characteristic of a living patient, the physiological sensor comprising:
- a plurality of light emitting sources arranged to impinge light on body tissue of the living patient including at least six light emitting sources, wherein the plurality of light emitting sources emit light of at least three different wavelengths, and wherein at least one of the light emitting sources is activated by addressing a first row of a plurality of rows and a first column of a plurality of columns of an electrical grid;
at least one information element configured to convey information about the physiological sensor, wherein the at least one information element is activated by addressing a second row of the plurality of rows and a second column of the plurality of columns of the electrical grid;
a detector responsive to transmitted light after attenuation by body tissue of the living patient, the body tissue including pulsating blood, wherein the detector is configured to generate a signal indicative of a physiological characteristic of the living patient; and
a sensor housing configured to position the plurality of light emitting sources and the detector with respect to the body tissue of the living patient.
2 Assignments
0 Petitions
Accused Products
Abstract
A physiological sensor has light emitting sources, each activated by addressing at least one row and at least one column of an electrical grid. The light emitting sources are capable of transmitting light of multiple wavelengths and a detector is responsive to the transmitted light after attenuation by body tissue.
1444 Citations
19 Claims
-
1. A physiological sensor configured to measure an indication of a physiological characteristic of a living patient, the physiological sensor comprising:
-
a plurality of light emitting sources arranged to impinge light on body tissue of the living patient including at least six light emitting sources, wherein the plurality of light emitting sources emit light of at least three different wavelengths, and wherein at least one of the light emitting sources is activated by addressing a first row of a plurality of rows and a first column of a plurality of columns of an electrical grid; at least one information element configured to convey information about the physiological sensor, wherein the at least one information element is activated by addressing a second row of the plurality of rows and a second column of the plurality of columns of the electrical grid; a detector responsive to transmitted light after attenuation by body tissue of the living patient, the body tissue including pulsating blood, wherein the detector is configured to generate a signal indicative of a physiological characteristic of the living patient; and a sensor housing configured to position the plurality of light emitting sources and the detector with respect to the body tissue of the living patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A method for measuring an indication of a physiological characteristic of a living patient, the method comprising:
-
positioning a sensor with respect to body tissue of the living patient, the sensor comprising; a detector, a plurality of light emitting sources configured to emit light of at least three different wavelengths, the plurality of light emitting sources comprising at least six light emitting sources, and at least one information element configured to convey information about the physiological sensor, wherein the plurality of light emitting sources and the at least one information element are arranged as elements in an electrical grid comprising rows and columns such that any element may be individually activated; activating the information element, said activating comprising addressing at least one of the rows and at least one of the columns of the electrical grid; determining at least one of sensor type, authorized supplier, authorized manufacturer, or emitter wavelength based at least in part on the activation of the information element; and generating a signal indicative of a physiological characteristic of the living patient responsive to detected light. - View Dependent Claims (15, 16, 17, 18, 19)
-
Specification