Noninvasive detection of a physiologic parameter with a probe
First Claim
1. A device for contacting a surface of a patient'"'"'s body to determine a physiologic parameter of the patient, comprising:
- a probe including a means for preventing application of excessive pressure to a sensing site adjacent a measurement region in a tissue to allow for substantially undisturbed blood flow in the tissue; and
a sensor housed within the probe, the sensor responsive to the physiologic parameter, wherein the sensor is located within a sensing area of the probe.
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Accused Products
Abstract
The invention provides a device for contacting a surface of a patient'"'"'s body to determine a physiologic parameter in a measurement region of a tissue of the patient. The device typically comprises a sensor responsive to the physiologic parameter and a probe housing the sensor. The probe is constructed to allow the sensor to be secured at a sensing site adjacent to the measurement region, without disturbing the blood flow within the measurement region of the tissue. The device may also include a means for reducing interference in the sensing area. Preferably, the device further comprises an indicating means operably connected to the sensor for indicating an analyte quantity and/or concentration associated with the physiologic parameter.
207 Citations
56 Claims
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1. A device for contacting a surface of a patient'"'"'s body to determine a physiologic parameter of the patient, comprising:
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a probe including a means for preventing application of excessive pressure to a sensing site adjacent a measurement region in a tissue to allow for substantially undisturbed blood flow in the tissue; and
a sensor housed within the probe, the sensor responsive to the physiologic parameter, wherein the sensor is located within a sensing area of the probe. - View Dependent Claims (2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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3. The device of clam 2, wherein the means for reducing interference in the sensing area is an integral portion of the probe.
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44. A method for determining a physiologic parameter of a patient, the method comprising:
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(a) providing a probe having a sensor responsive to the physiologic parameter;
(b) placing the probe on a sensing site adjacent to a measurement region of a bodily tissue without substantially disturbing blood flow within the tissue; and
(c) detecting the response of the sensor to the physiologic parameter. - View Dependent Claims (45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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Specification