Tissue oximeter intraoperative sensor
First Claim
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1. A method comprising:
- forming an oximeter probe comprising a sensor head and a handle;
on the probe face of the sensor head, forming first, second, and third sensor structures;
positioning the second sensor structure at a first distance from the first sensor structure;
positioning the third sensor structure at a second distance from the first sensor structure, wherein the first distance is different from the second distance;
coupling a light emitting diode to the first sensor structure;
coupling a first photodiode the second sensor structure;
coupling a second photodiode the third sensor structure;
coupling a processing circuit to the light emitting diode, first photodetector, and second photodetector;
coupling a battery to the light emitting diode, first photodetector, second photodetector, and processing circuit; and
coupling a flexible member, comprising a spring constant, coupled between the sensor head and the handle, whereby the flexible member adjusts a pressure that is applied to a tissue being measured by the sensor head to be less than a pressure applied by a user at the handle.
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Abstract
An oximeter probe includes sensor head with a probe face having one or more sensor structures to make measurements, a handle, and an elastic member connected between the handle and the base. A user can hold the handle while measurements are made and the elastic member permits the handle to flex relative to the sensor head with one or more sensor structures.
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Citations
20 Claims
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1. A method comprising:
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forming an oximeter probe comprising a sensor head and a handle; on the probe face of the sensor head, forming first, second, and third sensor structures; positioning the second sensor structure at a first distance from the first sensor structure; positioning the third sensor structure at a second distance from the first sensor structure, wherein the first distance is different from the second distance; coupling a light emitting diode to the first sensor structure; coupling a first photodiode the second sensor structure; coupling a second photodiode the third sensor structure; coupling a processing circuit to the light emitting diode, first photodetector, and second photodetector; coupling a battery to the light emitting diode, first photodetector, second photodetector, and processing circuit; and coupling a flexible member, comprising a spring constant, coupled between the sensor head and the handle, whereby the flexible member adjusts a pressure that is applied to a tissue being measured by the sensor head to be less than a pressure applied by a user at the handle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An oximeter device comprising:
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a sensor head, wherein the sensor head comprises a probe face comprising a first sensor structure, second sensor structure, and third sensor structure; a light emitting diode, coupled to the first sensor structure; a first photodiode, coupled the second sensor structure; a second photodiode, coupled the third sensor structure; a processing circuit, coupled to the light emitting diode, first photodetector, and second photodetector; a battery, coupled to the light emitting diode, first photodetector, second photodetector, and processing circuit; a handle; and a flexible member, comprising a spring constant, coupled between the sensor head and the handle, whereby the flexible member adjusts a pressure that is applied to a tissue being measured by the sensor head to be less than a pressure applied by a user at the handle. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. An oximeter device comprising:
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a sensor head, wherein the sensor head comprises a probe face comprising a first sensor structure, second sensor structure, and third sensor structure; a light emitting diode, coupled to the first sensor structure; a first photodiode, coupled the second sensor structure; a second photodiode, coupled the third sensor structure; a processing circuit, coupled to the light emitting diode, first photodetector, and second photodetector; a display, coupled to the processing circuit; a battery, coupled to the light emitting diode, first photodetector, second photodetector, processing circuit, and display; a handle, wherein at least a first portion of the handle is adapted to be cradled in an area between a thumb and forefinger of a user'"'"'s hand; and a flexible member, comprising a spring constant, coupled between the sensor head and the handle, whereby the flexible member adjusts a pressure that is applied to a tissue being measured by the sensor head to be less than a pressure applied by a user at the handle. - View Dependent Claims (19, 20)
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Specification