Wireless, handheld, tissue oximetry device
First Claim
1. A handheld tissue oximeter device comprising:
- a housing comprising;
a processor, contained within the housing;
a memory, contained within the housing, wherein the memory is coupled to the processor;
a display, coupled to the processor, wherein the display is visible from an exterior of the housing;
a battery, contained within the housing, coupled to and supplies power to the processor, memory, and the display; and
a tip portion of the housing;
a sensor module, coupled to the processor, wherein the sensor module comprises a probe face that is retained by the tip portion of the housing at a relatively fixed position with respect to the housing and that is placed against and faces tissue to be measured, and the probe face comprises;
a first source structure and a second source structure, formed on the probe face;
a first detector structure, formed on the probe face, wherein a first distance is from the first detector structure to the first source structure, a second distance is from the first detector structure to the second source structure, and the first distance is greater than the second distance;
a second detector structure, formed on the probe face, wherein a third distance is from the second detector structure to the first source structure, a fourth distance is from the second detector structure to the second source structure, and the fourth distance is greater than the third distance, andthe first distance is the same as the fourth distance, and the second distance is the same as the third distance;
a third detector structure, formed on the probe face, wherein a fifth distance is from the third detector structure to the first source structure, a sixth distance is from the third detector structure to the second source structure, the fifth distance is different from the first distance and the second distance, and the sixth distance is different from the first distance and the second distance; and
a fourth detector structure, formed on the probe face, wherein a seventh distance is from the fourth detector structure to the first source structure, an eighth distance is from the fourth detector structure to the second source structure, the seventh distance is different from the first, second, fifth, and sixth distances, and the eighth distance is different from the first, second, fifth, and sixth distances,the first distance is greater than the second, third, fifth, sixth, seventh, and eighth distances, and the second distance is less than the fifth, sixth, seventh, and eight distances, andthe processor is adapted to collect first information from the first detector structure in response to radiation emitted from the first source structure, the processor is adapted to collect second information from the second detector structure in response to radiation emitted from the first source structure, the first information is reflective of the tissue to be measured at a first depth below a surface of the tissue, the second information is reflective of the tissue to be measured at a second depth below the surface of the tissue, and the second depth is less than the first depth.
1 Assignment
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Accused Products
Abstract
A system includes an enclosure having a processor and a memory coupled to the processor. The enclosure includes a display coupled to the processor where the display is visible from an exterior of the enclosure; and a battery within the enclosure coupled to the processor and the display. The enclosure includes a probe tip coupled to an exterior of the enclosure. The probe tip includes first, second, and third sensor openings. A first distance between the first and second sensor openings is different than a second distance between the first and third sensor openings. The enclosure includes code stored in the memory where the code is executable by the processor, and includes code to receive first data associated with the first and second sensor openings, code to receive second data associated with the first and second sensor openings, and code to perform SRS using the first and the second data.
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Citations
78 Claims
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1. A handheld tissue oximeter device comprising:
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a housing comprising; a processor, contained within the housing; a memory, contained within the housing, wherein the memory is coupled to the processor; a display, coupled to the processor, wherein the display is visible from an exterior of the housing; a battery, contained within the housing, coupled to and supplies power to the processor, memory, and the display; and a tip portion of the housing; a sensor module, coupled to the processor, wherein the sensor module comprises a probe face that is retained by the tip portion of the housing at a relatively fixed position with respect to the housing and that is placed against and faces tissue to be measured, and the probe face comprises; a first source structure and a second source structure, formed on the probe face; a first detector structure, formed on the probe face, wherein a first distance is from the first detector structure to the first source structure, a second distance is from the first detector structure to the second source structure, and the first distance is greater than the second distance; a second detector structure, formed on the probe face, wherein a third distance is from the second detector structure to the first source structure, a fourth distance is from the second detector structure to the second source structure, and the fourth distance is greater than the third distance, and the first distance is the same as the fourth distance, and the second distance is the same as the third distance; a third detector structure, formed on the probe face, wherein a fifth distance is from the third detector structure to the first source structure, a sixth distance is from the third detector structure to the second source structure, the fifth distance is different from the first distance and the second distance, and the sixth distance is different from the first distance and the second distance; and a fourth detector structure, formed on the probe face, wherein a seventh distance is from the fourth detector structure to the first source structure, an eighth distance is from the fourth detector structure to the second source structure, the seventh distance is different from the first, second, fifth, and sixth distances, and the eighth distance is different from the first, second, fifth, and sixth distances, the first distance is greater than the second, third, fifth, sixth, seventh, and eighth distances, and the second distance is less than the fifth, sixth, seventh, and eight distances, and the processor is adapted to collect first information from the first detector structure in response to radiation emitted from the first source structure, the processor is adapted to collect second information from the second detector structure in response to radiation emitted from the first source structure, the first information is reflective of the tissue to be measured at a first depth below a surface of the tissue, the second information is reflective of the tissue to be measured at a second depth below the surface of the tissue, and the second depth is less than the first depth. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A handheld tissue oximeter device comprising:
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a housing comprising a tip portion; a sensor module wherein the sensor module comprises a probe face that is retained by the tip portion at a relatively fixed position with respect to the housing and that is placed against and faces tissue to be measured; a first plurality of detector structures arranged in a circular arrangement on the probe face and asymmetric about a point on a line intersecting a circle of the circular arrangement at a first point and a second point; a second plurality of detector structures arranged in the circular arrangement on the probe face and asymmetric about the point on the line in the circular arrangement; a first detector structure of the first plurality of detector structures, wherein a first distance is from the first detector structure to the first source structure, a second distance is from the first detector structure to the second source structure, and the first distance is greater than the second distance; a second detector structure of the first plurality of detector structures, wherein a third distance is from the second detector structure to the first source structure, a fourth distance is from the second detector structure to the second source structure, and the fourth distance is greater than the third distance; a third detector structure of the second plurality of detector structures, wherein a fifth distance is from the third detector structure to the first source structure, a sixth distance is from the third detector structure to the second source structure, the fifth distance is different from the first distance and the second distance, and the sixth distance is different from the first distance and the second distance; a fourth detector structure of the second plurality of detector structures, wherein a seventh distance is from the fourth detector structure to the first source structure, an eighth distance is from the fourth detector structure to the second source structure, the seventh distance is different from the first, second, fifth, and sixth distances, and the eighth distance is different from the first, second, fifth, and sixth distances; a first source structure and a second source structure, each arranged in the circular arrangement on the probe face, wherein the first source structure is at the first point and the second source structures is at the second point; a first source diode and a second source diode; a first optical fiber optically coupled between the first source diode and the first source structure; and a second optical fiber optically coupled between the second source diode and the second source structure, wherein the first optical fiber transmits radiation emitted by the first source diode to the first source structure, and the second optical fiber transmits radiation emitted by the second source diode to the second source structure; the first distance is different from the second, third, and fourth distances, the second distance is different from the third and fourth distances, the third and fourth distances are different, the first distance is greater than the second, third, fifth, sixth, seventh, and eighth distances, and the second distance is less than the fifth, sixth, seventh, and eight distances, and a ninth distance is from the first source structure to the second source structure, and the ninth distance is greater than the first, second, fifth, sixth, seventh, and eighth distances; and a processor, contained within the housing, wherein the processor is coupled to the sensor module, the first source diode, and the second source diode; a memory, contained within the housing, wherein the memory is coupled to the processor; a display, coupled to the processor, wherein the display is visible from an exterior of the housing; and a battery, contained within the housing, wherein the battery is coupled to and supplies power to the processor, memory, and display, the processor is adapted to collect first information from the first detector structure in response to radiation emitted from the first source structure, the processor is adapted to collect second information from the second detector structure in response to radiation emitted from the first source structure, the first information is reflective of the tissue to be measured at a first depth below a surface of the tissue, the second information is reflective of the tissue to be measured at a second depth below the surface of the tissue, and the second depth is less than the first depth. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A handheld tissue oximeter device comprising:
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a housing comprising; a processor, contained within the housing; a memory, contained within the housing, wherein the memory is coupled to the processor; a display, coupled to the processor, wherein the display is visible from an exterior of the housing; a battery, contained within the housing, wherein the battery is coupled to and supplies power to the processor, memory, and display; and a tip portion of the housing; a sensor module, coupled to the processor, wherein the sensor module comprises a probe face that is retained by the tip portion at a relatively fixed position with respect to the housing and that is placed against and faces tissue to be measured; a first source structure and a second source structure, each formed on the probe face and arranged in a linear arrangement on a line; a first source diode and a second source diode, each coupled to the processor; a first radiation directing element and a second radiation directing element, optically coupled, respectively, to the first and second source diodes; a first optical fiber optically coupled between the first radiation directing element and the first source structure; a second optical fiber optically coupled between the second radiation directing element and the second source structure, wherein the first optical fiber transmits radiation emitted by the first source structure and passed through the first radiation directing element to the first source structure, and the second optical fiber transmits radiation emitted by the second source structure and passed through the second radiation directing element to the second source structure; a first detector structure, formed on the probe face, wherein a first distance is from the first detector structure to the first source structure, a second distance is from the first detector structure to the second source structure, and the first distance is greater than the second distance; a second detector structure, formed on the probe face, wherein a third distance is from the second detector structure to the first source structure, a fourth distance is from the second detector structure to the second source structure, and the fourth distance is greater than the third distance; a third detector structure, formed on the probe face, wherein a fifth distance is from the third detector structure to the first source structure, a sixth distance is from the third detector structure to the second source structure, the fifth distance is different from the first distance and the second distance, and the sixth distance is different from the first distance and the second distance; and a fourth detector structure, formed on the probe face, wherein a seventh distance is from the fourth detector structure to the first source structure, an eighth distance is from the fourth detector structure to the second source structure, the seventh distance is different from the first, second, fifth, and sixth distances, and the eighth distance is different from the first, second, fifth, and sixth distances, the first, second, third, and fourth detector structures are arranged asymmetrically about a point on the line on which the first and second source structures are arranged, the first distance is different from the second, third, and fourth distances, the second distance is different from the third and fourth distances, the third and fourth distances are different, the first distance is greater than the second, third, fifth, sixth, seventh, and eighth distances, and the second distance is less than the third, fifth, sixth, seventh, and eighth distances, a ninth distance is from the first source structure to the second source structure, and the ninth distance is greater than the first, second, fifth, sixth, seventh, and eighth distances, and the processor is adapted to collect first information from the first detector structure in response to radiation emitted from the first source structure, the processor is adapted to collect second information from the second detector structure in response to radiation emitted from the first source structure, the first information is reflective of the tissue to be measured at a first depth below a surface of the tissue, the second information is reflective of the tissue to be measured at a second depth below the surface of the tissue, and the second depth is less than the first depth. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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54. A handheld tissue oximeter device comprising:
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a housing comprising; a processor, contained within the housing; a memory, contained within the housing, wherein the memory is coupled to the processor; a display, coupled to the processor, wherein the display is visible from an exterior of the housing; a battery, contained within the housing, wherein the battery is coupled to and supplies power to the processor, memory, and display; and a tip portion of the housing; a sensor module, coupled to the processor, wherein the sensor module comprises a probe face that is retained by the tip portion at a relatively fixed position with respect to the housing and that is placed against and faces tissue to be measured; a first source structure formed on the probe face; a plurality of detector structures formed on the probe face; a first detector structure of the plurality of detector structures, wherein the first source structure and the first detector structure are positioned on a first line and a first distance is from the first source structure to the first detector structure; a second detector structure of the plurality of detector structures, wherein the first source structure and the second detector structure are positioned on a second line and a second distance is from the first source structure to the second detector structure; a third detector structure of the plurality of detector structures, wherein the first source structure and the third detector structure are positioned on a third line and a third distance is from the first source structure to the third detector structure; and a fourth detector structure of the plurality of detector structures, wherein the first source structure and the fourth detector structure are positioned on a fourth line and a fourth distance is from the first source structure to the fourth detector structure; wherein the first, second, third, and fourth lines intersect at the first source structure and do not otherwise intersect, the first, second, third, and fourth distances are different distances, the first distances is greater than the second, third, and fourth distances, the second distances is less than the third and fourth distances, a fifth distance is between the first detector structure and the second detector structure, a sixth distance is between the first detector structure and the third detector structure, a seventh distance is between the first detector structure and the fourth detector structure, an eighth distance is between the second detector structure and the third detector structure, a ninth distance is between the second detector structure and the fourth detector structure, a tenth distance is between the third detector structure and the fourth detector structure, the fifth distance is greater than the sixth, seventh, eighth, ninth, and tenth distances, and the processor is adapted to collect first information from the first detector structure in response to radiation emitted from the first source structure, the processor is adapted to collect second information from the second detector structure in response to radiation emitted from the first source structure, the first information is reflective of the tissue to be measured at a first depth below a surface of the tissue, the second information is reflective of the tissue to be measured at a second depth below the surface of the tissue, and the second depth is less than the first depth. - View Dependent Claims (55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77)
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78. A tissue oximeter device comprising:
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a housing comprising; a processor, contained within the housing; a memory, contained within the housing, wherein the memory is coupled to the processor; a display, coupled to the processor, wherein the display is visible from an exterior of the housing; a battery, contained within the housing, wherein the battery is coupled to and supplies power to the processor, memory, and display; and a tip portion of the housing; a sensor head, coupled to the processor, wherein the sensor head comprises a probe face that is retained by the tip portion at a relatively fixed position with respect to the housing and that is placed against and faces tissue to be measured, wherein the sensor head comprises; a first plurality of detector structures, formed on the probe face, arranged asymmetrically in a circular arrangement, asymmetric about a point on a line intersecting a circle of the circular arrangement at a first point and a second point; a second plurality of detector structures, formed on the probe face, arranged asymmetrically about the point on the line in the circular arrangement; a first source structure, formed on the probe face, at the first point of the circle of the circular arrangement; a second source structure, formed on the probe face, positioned at the second point of the circle of the circular arrangement; a first detector structure on the circle of the first plurality of detector structures, wherein a first distance is from the first detector structure to the first source structure, a second distance is from the first detector structure to the second source structure, and the first distance is greater than the second distance; a second detector structure on the circle of the first plurality of detector structures, arranged asymmetrically with respect to the first detector structure about the point on the line, wherein a third distance is from the second detector structure to the first source structure, a fourth distance is from the second detector structure to the second source structure, and the fourth distance is greater than the third distance; a third detector structure on the circle of the second plurality of detector structures, arranged asymmetrically with respect to the first plurality of detectors structures about the point on the line, wherein a fifth distance is from the third detector structure to the first source structure, a sixth distance is from the third detector structure to the second source structure, the fifth distance is different from the first distance and the second distance, and the sixth distance is different from the first distance and the second distance; and a fourth detector structure on the circle of the second plurality of detector structures, arranged asymmetrically with respect to the first plurality of detectors structures and the third detector structure about the point on the line, wherein a seventh distance is from the fourth detector structure to the first source structure, an eighth distance is from the fourth detector structure to the second source structure, the seventh distance is different from the first, second, fifth, and sixth distances, and the eighth distance is different from the first, second, fifth, and sixth distances, wherein the first distance is greater the fifth, sixth, seventh, and eighth distances, and the second distance is less than the fifth, sixth, seventh, and eight distances, and a ninth distance is from the first source structure to the second source structure, and the ninth distance is greater than the first, second, fifth, sixth, seventh, and eighth distances; and a processing module adapted for using information collected from the first plurality of detector structures arranged asymmetrically and from the second plurality of detector structures arranged asymmetrically to determine an oxygen saturation value.
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Specification