Medical sensor and technique for using the same
First Claim
Patent Images
1. A sensor comprising:
- a sensor body;
at least one sensing element disposed on the sensor body; and
a pressure-sensitive structure associated with the sensor body, wherein the pressure-sensitive structure is adapted to provide a feedback related to a pressure applied to the sensor body.
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Abstract
A sensor may be adapted to provide output to indicate when the sensor experiences abnormal forces or pressure. The forces may be outside forces, or the forces may be generated by patient motion. A sensor system as provided may also be adapted to correct for such forces when calculating measurements related to a physiological characteristic.
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Citations
48 Claims
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1. A sensor comprising:
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a sensor body;
at least one sensing element disposed on the sensor body; and
a pressure-sensitive structure associated with the sensor body, wherein the pressure-sensitive structure is adapted to provide a feedback related to a pressure applied to the sensor body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A pulse oximetry system comprising:
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a pulse oximetry monitor; and
a pulse oximetry sensor adapted to be operatively coupled to the monitor, the sensor comprising;
a sensor body;
at least one sensing element disposed on the sensor body; and
a pressure-sensitive structure associated with the sensor body, wherein the pressure-sensitive structure is adapted to provide a feedback related to a pressure applied to the sensor body. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A method comprising:
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emitting light into a tissue with an emitter;
detecting the light with a detector;
measuring a physiological characteristic based on the detected light;
detecting a force experienced by at least one of the emitter and the detector with a force-sensitive sensor; and
triggering an alarm when the force is greater than a threshold value. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method of manufacturing a sensor, comprising:
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providing a sensor body on which at least one sensing element is disposed; and
providing a pressure-sensitive structure disposed on the sensor body. - View Dependent Claims (42, 43, 44, 45, 46)
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47. A method comprising:
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acquiring pressure data and oxygen saturation data from a sensor;
correlating the acquired pressure data to a set of reference artifact data; and
determining if the oxygen saturation data comprises a motion artifact. - View Dependent Claims (48)
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Specification