Automatic fetal weight determination
First Claim
Patent Images
1. Apparatus for fetal weight determination comprising:
- an ultrasonic imager operative to image a fetus in utero and to provide output image data in respect thereof;
an image processor operative automatically to initially recognize and then to measure at least one dimension of at least one fetal body part based on said output image data and to provide output body part dimension data; and
an automatic fetal weight calculator operative to calculate fetal weight automatically based on said output body part dimension data.
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Abstract
This invention discloses an apparatus for fetal weight determination including an ultrasonic imager operative to image a fetus in utero and to provide output image data in respect thereof, an image processor operative automatically to measure at least one dimension of at least one fetal body part based on the output image data and to provide output body part dimension data, and an automatic fetal weight calculator operative to calculate fetal weight automatically based on the output body part dimension data. A method for determining fetal weight is also disclosed.
59 Citations
38 Claims
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1. Apparatus for fetal weight determination comprising:
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an ultrasonic imager operative to image a fetus in utero and to provide output image data in respect thereof;
an image processor operative automatically to initially recognize and then to measure at least one dimension of at least one fetal body part based on said output image data and to provide output body part dimension data; and
an automatic fetal weight calculator operative to calculate fetal weight automatically based on said output body part dimension data. - View Dependent Claims (2)
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3. Apparatus for distinguishing a fetus in a three-dimensional ultrasound image of the fetus in utero, said apparatus comprising:
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an ultrasonic imager operative to image a fetus in utero and to provide three-dimensional output image data in respect thereof; and
an image processor operative automatically to initially recognize and then to distinguish the fetus from surrounding tissue based on said output image data.
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4. Apparatus for recognition of a fetal spine in an ultrasound image of the fetus in utero, said apparatus comprising:
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an ultrasonic imager operative to image a fetus in utero and to provide output image data in respect thereof; and
an image processor operative automatically to recognize the fetal spine from surrounding tissue based on said output image data. - View Dependent Claims (5)
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6. Apparatus for automatically fitting a three-dimensional model of a fetus to a three-dimensional ultrasound image of the fetus in utero, said apparatus comprising:
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an ultrasonic imager operative to image a fetus in utero and to provide three-dimensional output image data in respect thereof; and
an image processor operative automatically to initially recognize and then to fit said three-dimensional model to said three-dimensional output image data. - View Dependent Claims (7, 8, 9, 10, 11)
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12. Apparatus for automatically fitting a three-dimensional model of a fetus to a three-dimensional ultrasound image of the fetus in utero, said apparatus comprising:
an image processor operative automatically to initially recognize and then to fit portions of said three-dimensional model to corresponding portions of said three-dimensional output image data. - View Dependent Claims (13)
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14. Apparatus for automatically fitting a three-dimensional model of a fetal torso to a three-dimensional ultrasound image of the fetus in utero, said apparatus comprising:
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an ultrasonic imager operative to image a fetus in utero and to provide three-dimensional output image data in respect thereof; and
an image processor operative automatically to fit said three-dimensional model of a fetal torso to said three-dimensional output image data. - View Dependent Claims (15)
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16. Apparatus for automatically fitting a three-dimensional model of a fetal torso to a three-dimensional ultrasound image of the fetus in utero, said apparatus comprising:
an image processor operative automatically to fit portions of said three-dimensional model of fetal torso to corresponding portions of said three-dimensional output image data. - View Dependent Claims (17)
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18. Apparatus for fetal volume determination comprising:
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an ultrasonic imager operative to image a fetus in utero and to provide output image data in respect thereof;
an image processor operative automatically to initially recognize and then to measure at least one dimension of at least one fetal body part based on said output image data and to provide output body part dimension data; and
an automatic fetal volume calculator operative to calculate fetal volume automatically based on said output body part dimension data.
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19. Apparatus for fetal weight determination comprising:
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an ultrasonic imager operative to image a fetus in utero and to provide output image data in respect thereof;
an image processor operative automatically to measure at least one dimension of at least one fetal body part based on said output image data and to provide output body part dimension data;
a tissue characterization processor employing said output image data for providing data relating to percentages of different types of tissue in at least part of said fetus; and
an automatic fetal weight calculator operative to calculate fetal weight automatically based on said output body part dimension data and said data relating to percentages of different types of tissue in at least part of said fetus.
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20. A method for determining fetal weight comprising:
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employing an ultrasonic imager to image a fetus in utero and to provide output image data in respect thereof;
identifying at least one body part from said image data;
employing an image processor to automatically initially recognize and then to measure at least one dimension of at least one fetal body part based on said output image data and to provide output body part dimension data; and
calculating fetal weight automatically based on said output body part dimension data. - View Dependent Claims (21)
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22. A method for distinguishing a fetus in a three-dimensional ultrasound image of the fetus in utero, the method comprising:
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employing an ultrasonic imager to image a fetus in utero and to provide three-dimensional output image data in respect thereof; and
providing an image processor to automatically initially recognize and then to distinguish the fetus from surrounding tissue based on said output image data.
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23. A method for recognizing a fetal spine in an ultrasound image of the fetus in utero, said method comprising:
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operating an ultrasonic imager to image a fetus in utero and to provide output image data in respect thereof; and
providing an image processor to automatically recognize the fetal spine from surrounding tissue based on said output image data. - View Dependent Claims (24)
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25. A method for automatically fitting a three-dimensional model of a fetus to a three-dimensional ultrasound image of the fetus in utero, said method comprising:
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employing an ultrasonic imager to image a fetus in utero and to provide three-dimensional output image data in respect thereof;
providing a three-dimensional model; and
employing an image processor to automatically initially recognize and then fit said three-dimensional model to said three-dimensional output image data. - View Dependent Claims (26, 29, 30, 35, 36)
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27. A method for automatically fitting a three-dimensional model of a fetus to a three-dimensional ultrasound image of the fetus in utero, said method comprising:
operating an image processor to automatically initially recognize and then to fit portions of said three-dimensional model to corresponding portions of said three-dimensional output image data. - View Dependent Claims (28)
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31. A method for automatically fitting a three-dimensional model of a fetal torso to a three-dimensional ultrasound image of the fetus in utero, said method comprising:
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employing an ultrasonic imager to image a fetus in utero and to provide three-dimensional output image data in respect thereof; and
employing an image processor to automatically fit said three-dimensional model of a fetal torso to said three-dimensional output image data. - View Dependent Claims (32)
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33. A method for automatically fitting a three-dimensional model of a fetal torso to a three-dimensional ultrasound image of the fetus in utero, said method comprising:
operating an image processor to automatically fit portions of said three-dimensional model of fetal torso to corresponding portions of said three-dimensional output image data. - View Dependent Claims (34)
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37. A method for fetal volume determination comprising:
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operating an ultrasonic imager to image a fetus in utero and to provide output image data in respect thereof;
identifying at least one individual fetal body part from said image data;
providing an image processor to automatically initially recognize and then to measure at least one dimension of at least one fetal body part based on said output image data and to provide output body part dimension data; and
providing an automatic fetal volume calculator to calculate fetal volume automatically based on said output body part dimension data.
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38. A method for fetal weight determination comprising:
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employing an ultrasonic imager to image a fetus in utero and to provide output image data in respect thereof;
identifying at least one individual fetal body part from said image data;
employing an image processor to automatically measure at least one dimension of at least one fetal body part based on said output image data and to provide output body part dimension data;
providing a tissue characterization processor employing said output image data for providing data relating to percentages of different types of tissue in at least part of said fetus; and
operating an automatic fetal weight calculator to calculate fetal weight automatically based on said output body part dimension data and said data relating to percentages of different types of tissue in at least part of said fetus.
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Specification