Tissue examination
First Claim
Patent Images
1. A tissue examination device comprising:
- a transducer element for generating a signal in response to force imposed on the transducer element as the transducer element is pressed against and moved over the tissue, wherein the force varies in accordance with varying properties of an underlying tissue structure; and
circuitry for detecting a variation in the signal generated by the transducer element and for analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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Accused Products
Abstract
Tissue is examined with a device that includes one or more transducer elements, each of which generates a signal in response to force imposed on the transducer element in accordance with varying properties of an underlying tissue structure as the transducer element is pressed against and moved over the tissue. The tissue examination device further includes circuitry for detecting a variation in the signals as an indication of a composition of the underlying tissue structure.
144 Citations
104 Claims
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1. A tissue examination device comprising:
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a transducer element for generating a signal in response to force imposed on the transducer element as the transducer element is pressed against and moved over the tissue, wherein the force varies in accordance with varying properties of an underlying tissue structure; and circuitry for detecting a variation in the signal generated by the transducer element and for analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 12, 13, 14, 15, 52, 53, 54, 55, 93)
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9. A tissue examination device comprising:
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a transducer element for generating a signal in response to force imposed on the transducer element as the transducer element is pressed against and moved over the tissue, wherein the force varies in accordance with varying properties of an underlying tissue structure; and circuitry for detecting a rate of change of the signal generated by the transducer element as an indication of a composition of the underlying tissue structure. - View Dependent Claims (10, 11)
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16. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and circuitry for detecting a variation in the signals generated by the transducer elements and for analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure. - View Dependent Claims (18, 22, 23, 24, 25, 26, 28, 29, 30, 34, 35, 36, 37, 50, 94)
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17. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and difference circuitry for determining a difference between the signals generated by the transducer elements, wherein the detecting circuitry detects a variation in the difference between the signals generated by the transducer elements. - View Dependent Claims (39, 40, 41, 42, 47)
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19. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and circuitry for notifying the user in response to the processor determining that at least one transducer element has been moved over the localized area of stiffer tissue. - View Dependent Claims (48, 49)
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20. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and a processor for determining, based on the detected variation in the signals generated by the transducer elements, whether at least one transducer element of the plurality of transducer elements has been moved over a localized area of stiffer tissue within the underlying tissue structure; said processor including a comparator for comparing the detected variation in the signals generated by the transducer elements to a predetermined threshold to determine whether at least one transducer element has been moved over the localized area of stiffer tissue within the underlying tissue structure.
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21. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and a processor for determining, based on the detected variation in the signals generated by the transducer elements, whether at least one transducer element of the plurality of transducer elements has been moved over a localized area of stiffer tissue within the underlying tissue structure; said processor including a comparator for comparing the detected variation in the electrical signals generated by the transducer elements to a variable threshold to determine whether at least one transducer element has been moved over the localized area of stiffer tissue within the underlying tissue structure.
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27. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and a pressure sensing circuit, responsive to the signals generated by the transducer elements, for detecting whether the forces imposed on the transducer elements exceed a variable minimum threshold and whether the forces imposed on the transducer elements exceed a variable maximum threshold, and for notifying the user when the forces imposed on the transducer elements do not exceed the variable minimum threshold or exceed the variable maximum threshold.
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31. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; difference circuitry for determining a difference between the signals generated by the transducer elements; and circuitry for detecting a rate of change of the difference between the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure. - View Dependent Claims (32, 33)
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38. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and a mechanism, attached to the transducer elements, for automatically moving the transducer elements over the tissue.
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43. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure, wherein the plurality of transducer elements comprise two pairs of transducer elements, the transducer element pairs having an orthogonal configuration with respect to each other, and wherein the difference circuitry determines a difference between the signals generated by the transducer elements of each pair of transducer elements and the circuitry for detecting detects a variation in the difference between the signals of each pair of transducer elements as an indication of the composition of the underlying tissue structure. - View Dependent Claims (44)
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45. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; a processor for determining, based on the detected variation in the signals generated by the transducer elements, whether at least one transducer element of the plurality of transducer elements has been moved over a localized area of stiffer tissue within the underlying tissue structure; and a measuring device for measuring a parameter of the motion of the transducer elements over the tissue. - View Dependent Claims (46, 90, 91)
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51. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and a cap attached to the tissue examination device. - View Dependent Claims (92)
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56. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and self-test circuitry for determining whether the tissue examination device is operating properly.
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57. A breast tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the breast tissue, wherein the forces vary in accordance with varying properties of an underlying breast tissue structure; difference circuitry for determining a difference between the signals generated by the transducer elements; circuitry for detecting a variation in the difference between the signals generated by the transducer elements as an indication of a composition of the underlying breast tissue structure; a processor for comparing the detected variation in the difference between the signals generated by the transducer elements to a predetermined pattern to determine whether at least one transducer element of the plurality of transducer elements has been moved over a localized area of stiffer tissue within the underlying breast tissue structure; and circuitry for notifying the user in response to the processor determining that at least one transducer element has been moved over the localized area of stiffer breast tissue.
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58. A method of examining tissue comprising:
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moving a transducer element over tissue to be examined while also pressing the transducer element against the tissue to be examined, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; and detecting a variation in the signal generated by the transducer element and analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure. - View Dependent Claims (59, 60, 67, 78)
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61. A method of examining tissue comprising:
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moving a transducer element over tissue to be examined while also dressing the transducer element against the tissue to be examined, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; detecting a variation in the signal generated by the transducer element as an indication of a composition of the underlying tissue structure; and comparing the detected variation in the signal generated by the transducer element to a predetermined threshold to determine whether the transducer element has been moved over a localized area of stiffer tissue within the underlying tissue structure.
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62. A method of examining tissue comprising:
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moving a transducer element over tissue to be examined while also pressing the transducer element against the tissue to be examined, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; detecting a variation in the signal generated by the transducer element as an indication of a composition of the underlying tissue structure; and determining, based on the detected variation in the signal, whether the transducer element has been moved over a localized area of stiffer tissue within the underlying tissue structure; and if the transducer element is determined to have been moved over the localized area of stiffer tissue, comparing the detected variation in the signal generated by the transducer element to at least one predetermined pattern to determine what type of localized area of stiffer tissue within the underlying tissue structure the transducer element has been moved over.
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63. A method of examining tissue comprising:
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moving a transducer element over tissue to be examined while also pressing the transducer element against the tissue to be examined, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; detecting a variation in the signal generated by the transducer element as an indication of a composition of the underlying tissue structure; and comparing the detected variation in the signal generated by the transducer element to a predetermined pattern to determine whether the transducer element has been moved over a localized area of stiffer tissue within the underlying tissue structure.
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64. A method of examining tissue comprising:
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moving a transducer element over tissue to be examined while also pressing the transducer element against the tissue to be examined, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; and detecting a rate of change in the signal generated by the transducer element as an indication of a composition of the underlying tissue structure. - View Dependent Claims (65, 66)
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68. A method of examining tissue comprising:
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moving a plurality of transducer elements over tissue to be examined while also pressing the plurality of transducer elements against the tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and detecting variations in the signals generated by the transducer elements and analyzing a shape of said variations between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure. - View Dependent Claims (70, 71, 77)
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69. A method of examining tissue comprising:
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moving a plurality of transducer elements over tissue to be examined while also pressing the plurality of transducer elements against the tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying tissue structure; detecting variations in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; and determining a difference between the signals generated by the plurality of transducer elements, wherein detecting variations includes detecting variations in the difference between the signals generated by the plurality of transducer elements.
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72. A method of examining tissue comprising:
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moving a plurality of transducer elements over tissue to be examined while also pressing the plurality of transducer elements against the tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying tissue structure; determining a difference between the signals generated by the plurality of transducer elements and detecting variations in the difference between said signals as an indication of a composition of the underlying tissue structure; and comparing the detected variations in the difference between the signals generated by the plurality of transducer elements to a predetermined threshold to determine whether at least one of the plurality of transducer elements has been moved over a localized area of stiffer tissue within the underlying tissue structure.
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73. A method of examining tissue comprising:
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moving a plurality of transducer elements over tissue to be examined while also pressing the plurality of transducer elements against the tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying tissue structure; determining a difference between the signals generated by the plurality of transducer elements and detecting variations in the difference between said signals as an indication of a composition of the underlying tissue structure; and comparing the detected variations in the difference between the signals generated by the plurality of transducer elements to a predetermined pattern to determine whether at least one of the plurality of transducer elements has been moved over a localized area of stiffer tissue within the underlying tissue structure.
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74. A method of examining tissue comprising:
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moving a plurality of transducer elements over tissue to be examined while also pressing the plurality of transducer elements against the tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying Properties of an underlying tissue structure; determining a difference between the signals generated by the plurality of transducer elements and detecting a rate of change of the difference between said signals as an indication of a composition of the underlying tissue structure. - View Dependent Claims (75, 76)
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79. A method of examining tissue comprising:
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performing a manual tissue examinations; thereafter moving a plurality of transducer elements over tissue to be examined while also pressing the plurality of transducer elements against the tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and detecting variations in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure.
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80. A method of examining tissue comprising:
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moving a plurality of transducer elements over tissue to be examined while also pressing the plurality of transducer elements against the tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying tissue structure; detecting variations in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure; detecting whether at least one of the plurality of transducer elements has been moved over a localized area of stiffer tissue within the underlying tissue structure based on the detected variations in the signals generated by the plurality of transducer elements; notifying the user when at least one of the plurality of transducer elements has been moved over the localized area of stiffer tissue; and after said notifying, performing a manual tissue examination to re-check the tissue.
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81. A method of examining tissue comprising:
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initiating a tissue examination device self-test; moving a plurality of transducer elements of the tissue examination device over tissue to be examined while also pressing the plurality of transducer elements against the tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and detecting variations in the signals generated by the transducer elements as an indication of a composition of the underlying tissue structure.
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82. A method of examining tissue comprising:
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applying lubricant to the tissue in an area to be examined; moving a plurality of transducer elements over the tissue in said area while also pressing the plurality of transducer elements against the tissue, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and detecting variations in the signals generated by the transducer elements and analyzing a shape of said variations between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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83. A method of examining breast tissue comprising:
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moving a plurality of transducer elements over the breast tissue to be examined while also pressing the plurality of transducer elements against the breast tissue to be examined, the transducer elements generating signals in response to forces detected by the transducer elements, wherein the forces vary in accordance with varying properties of an underlying breast tissue structure; detecting variations in the signals generated by the transducer elements as an indication of a composition of the underlying breast tissue structure; comparing the detected variation in the difference between the signals generated by the plurality of transducer elements to a predetermined pattern to determine whether at least one of the plurality of transducer elements has been moved over the localized area of stiffer tissue within the underlying breast tissue structure; and notifying the user when at least one of the plurality of transducer elements has been moved over the localized area of stiffer tissue.
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84. A tissue examination device Ad comprising:
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a transducer element for generating a signal in response to force imposed on the transducer element as the transducer element is pressed against and moved over the tissue, wherein the force varies in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signal generated by the transducer element and for analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure; and a cap attached to the tissue examination device.
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85. A tissue examination device comprising:
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a transducer element for generating a signal in response to force imposed on the transducer element as the transducer element is pressed against and moved over the tissue, wherein the force varies in accordance with varying properties of an underlying tissue structure; circuitry for detecting a variation in the signal generated by the transducer element and for analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure; and self-test circuitry for determining whether the tissue examination device is operating properly.
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86. A method of examining tissue comprising:
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performing a manual tissue examination; thereafter moving a transducer element over tissue to be examined while also pressing the transducer element against the tissue to be examined, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; and detecting a variation in the signal generated by the transducer element and analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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87. A method of examining tissue comprising:
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moving a transducer element over tissue to be examined while also pressing the transducer element against the tissue to be examined, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; detecting a variation in the signal generated by the transducer element as an indication of a composition of the underlying tissue structure; determining, based on the detected variation in the signal, whether the transducer element has been moved over a localized area of stiffer tissue within the underlying tissue structure; notifying the user when the transducer element has been moved over the localized area of stiffer tissue; and after said notifying, performing a manual tissue examination to re-check the tissue.
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88. A method of examining tissue comprising:
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initiating a tissue examination device self-test; moving a transducer element of the tissue examination device over tissue to be examined while also pressing the transducer element against the tissue to be examined, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; and detecting a variation in the signal generated by the transducer element and analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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89. A method of examining tissue comprising:
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applying lubricant to the tissue in an area to be examined; moving a transducer element over the tissue in such area while also pressing the transducer element against the tissue, the transducer element generating a signal in response to a force detected by the transducer element, wherein the force varies in accordance with varying properties of an underlying tissue structure; and detecting a variation in the signal generated by the transducer element and analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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95. Apparatus comprising
a tissue examination device that includes a transducer element and that is configured to press said transducer element against the tissue and move said transducer element over the tissue to cause said transducer element to generate a signal in response to force imposed on the transducer element as the transducer element is pressed against and moved over the tissue, such force varying in accordance with varying properties of an underlying tissue structure; - and
circuitry associated with said tissue examination device for detecting a variation in the signal generated by the transducer element and for analyzing a share of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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96. Apparatus comprising
a tissue examination device that includes a plurality of transducer elements and that is configured to press said transducer elements against the tissue and move said transducer elements over the tissue to cause said transducer elements to generate signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, such forces varying in accordance with varying properties of an underlying tissue structure; - and
circuitry associated with said tissue examination device for detecting a variation in the signals generated by the transducer elements and for analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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97. A tissue examination device comprising:
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a transducer element for generating a signal in response to force imposed on the transducer element as the transducer element is pressed against and moved over the tissue, wherein the force varies in accordance with varying properties of an underlying tissue structure; and circuitry for detecting as a function of the movement of said transducer element a variation in the signal generated by the transducer element and for analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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98. A tissue examination device comprising:
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a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and circuitry for detecting as a function of the movement of said transducer elements a variation in the signals generated by the transducer elements and for analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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99. A method of examining tissue comprising:
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pressing and moving a transducer element along the tissue to be examined while maintaining the transducer element in substantially continuous contact with the tissue to cause the transducer element to generate a signal in response to a force detected by the transducer element, such force varying in accordance with varying properties of an underlying tissue structure; and detecting a variation in the signal generated by the transducer element and analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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100. A method of examining tissue comprising:
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pressing and moving a plurality of transducer elements along the tissue to be examined while maintaining the transducer elements in substantially continuous contact with the tissue to cause the transducer elements to generate signals in response to a force detected by the transducer element, such force varying in accordance with varying properties of an underlying tissue structure; and detecting a variation in the signals generated by the transducer elements and analyzing a shape of said variation between signal levels of different amplitudes to provide an indication of a composition of the underlying tissue structure.
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101. A tissue examination device comprising:
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a transducer element for generating signals in response to forces imposed on the transducer element as the transducer element is pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; and circuitry for detecting a variation in the signal generated by the transducer element, for analyzing a shape of said variation between signal levels of different amplitudes, and for detecting therefrom that said transducer element has been moved over an edge of the underlying tissue structure.
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102. A tissue examination device comprising
a plurality of transducer elements for generating signals in response to forces imposed on the transducer elements as the transducer elements are pressed against and moved over the tissue, wherein the forces vary in accordance with varying properties of an underlying tissue structure; - and
circuitry for detecting a variation in the signals generated by the transducer elements, for analyzing a shape of said variation between signal levels of different amplitudes, and for detecting therefrom that at least one of said transducer elements has been moved over an edge of the underlying tissue structure.
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103. A metho d of examining tissue comprising:
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moving a transducer element over the tissue to be examined while also pressing the transducer element against the tissue to cause the transducer element to generate a signal in response to a force detected by the transducer element, such force varying in accordance with varying properties of an underlying tissue structure; and detecting a variation in the signal generated by the transducer element, analyzing a shape of said variation between signal levels of different amplitudes, and detecting therefrom that said transducer element has been moved over an edge of the underlying tissue structure.
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104. A method of examining tissue comprising:
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moving a plurality of transducer elements over the tissue to be examined while also pressing the transducer elements against the tissue to cause the transducer elements to generate signals in response to a force detected by the transducer element, such force varying in accordance with varying properties of an underlying tissue structure; and detecting a variation in the signals generated by the transducer elements, analyzing a shape of said variation between signal levels of different amplitudes, and detecting therefrom that at least one of said transducer elements has been moved over an edge of the underlying tissue structure.
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Specification