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US 11,694,330 B2Granted
Medical image processing apparatus, system, and method
AssigneeCanon Medical Systems Corporation
InventorGakuto Aoyama
Life of this patent
Estimating the term…
Abstract
A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to extract a degree of a disease related to the heart from a medical image; and display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated on the basis of the medical image.
Claims39
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow, and display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image, wherein the first index value is an index value of a different type from the wall shear stress serving as the second index value.
1 more element
A medical image processing apparatus, comprising:
- processing circuitry configured to display, as information related to a blood flow of a blood vessel and calculated based on a medical image:
- a first index value related to the blood vessel and calculated from one of blood pressure and the blood flow, and wall shear stress serving as a second index value related to the blood vessel, wherein the first index value is an index value of a different type from the wall shear stress serving as the second index value,
- wherein the processing circuitry is further configured to switch the display between the first index value and the second index value based on information about a subject.
A medical image processing system, comprising:
- a medical image processing apparatus;
- and
- a medical information display apparatus, wherein
- the medical image processing apparatus is configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- calculate, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and to calculate, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image, wherein the first index value is an index value of a different type from the wall shear stress serving as the second index value, and
- the medical information display apparatus is configured to obtain, from the medical image processing apparatus, the information related to the blood flow of the blood vessel, and display the information related to the blood flow of the blood vessel.
5 more elements
A medical image processing method, comprising:
- extracting a degree of a disease related to a heart from a medical image;
- and
- displaying, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow, and displaying, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image, wherein the first index value is an index value of a different type from the wall shear stress serving as the second index value.
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image, wherein the processing circuitry is further configured to
- simultaneously display the first index value and the second index value;
- make, when the disease degree indicating the degree of the disease related to the heart is high, a display region of the first index value larger than a display region of the second index value;
- and
- make, when the disease degree indicating the degree of the disease related to the heart is low, the display region of the second index value larger than the display region of the first index value.
5 more elements
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image, wherein the processing circuitry is further configured to
- identify whether a time at which the medical image was taken was before a subject was treated or after the subject was treated;
- calculate, when the time at which the medical image was taken is identified as before the subject was treated, one or both of a first predicted index value being the first index value after the treatment and a second predicted index value being the second index value after the treatment, by applying virtual treatment to the blood vessel while using the medical image;
- and
- display, when the time at which the medical image was taken is identified as before the subject was treated, one or both of the first predicted index value and the second predicted index value.
5 more elements
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image, wherein the processing circuitry is further configured to
- derive, with respect to each of blood vessel branches of a coronary artery, a position and a rupture probability of plaque occurring at the blood vessel branch, based on the medical image;
- and
- display, with respect to each of the blood vessel branches, one of the first index value and the second index value in accordance with the position and the rupture probability of the plaque, and
- wherein the processing circuitry is further configured to
- display the first index value with respect to any of the blood vessel branches having the plaque of which the rupture probability is high;
- and
- display the second index value with respect to any of the blood vessel branches having no plaque or having the plaque of which the rupture probability is low.
8 more elements
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image,
- wherein the processing circuitry is further configured to
- derive, with respect to each of blood vessel branches of a coronary artery, a position and a rupture probability of plaque occurring at the blood vessel branch, based on the medical image;
- and
- display, with respect to each of the blood vessel branches, one of the first index value and the second index value in accordance with the position and the rupture probability of the plaque, and
- wherein the processing circuitry is further configured to
- display, with respect to any of the blood vessel branches having the plaque of which the rupture probability is high, a first representative value for one of the first index value and the second index value of the blood vessel branch;
- and
- display, with respect to any of the blood vessel branches having no plaque and any of the blood vessel branches having the plaque of which the rupture probability is low, a second representative value different from the first representative value, for one of the first index value and the second index value of the blood vessel branch.
9 more elements
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image,
- wherein the processing circuitry is further configured to
- derive, with respect to each of blood vessel branches of a coronary artery, a position and a rupture probability of plaque occurring at the blood vessel branch, based on the medical image;
- and
- display, with respect to each of the blood vessel branches, one of the first index value and the second index value in accordance with the position and the rupture probability of the plaque, and
- wherein the processing circuitry is further configured to
- display, with respect to any of the blood vessel branches having the plaque of which the rupture probability is high, one of a medical image taken by a first medical image diagnosis apparatus and information obtained from the taken medical image;
- and
- display, with respect to any of the blood vessel branches having no plaque and any of the blood vessel branches having the plaque of which the rupture probability is low, one of a medical image taken by a second medical image diagnosis apparatus different from the first medical image diagnosis apparatus and information obtained from the taken medical image.
9 more elements
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image,
- wherein the processing circuitry is further configured to display one or both of the first index value and the second index value calculated on a basis of the medical image that is in a specific cardiac phase, and is reconstructed in accordance with the degree of the disease related to the heart, and
- wherein the processing circuitry is further configured to
- extract a degree of a myocardial bridge, as the degree of the disease related to the heart;
- display, when the disease degree indicating the degree of the myocardial bridge is high, one or both of the first index value and the second index value calculated based on the medical image in an end-diastolic phase;
- and
- display, when the disease degree indicating the degree of the myocardial bridge is low, one or both of the first index value and the second index value calculated based on the medical image in an end-diastolic phase and the medical image in an end-systolic phase.
7 more elements
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image,
- wherein the processing circuitry is further configured to display one or both of the first index value and the second index value calculated based on the medical image that is in a specific cardiac phase and is reconstructed in accordance with the degree of the disease related to the heart, and
- wherein the processing circuitry is further configured to
- extract a degree of a valvular disease of each of valves included in heart valves, as the degree of the disease related to the heart;
- display, when the disease degree indicating the degree of the valvular disease of an aortic valve is high, one or both of the first index value and the second index value calculated on a basis of the medical image in an end-systolic phase;
- and
- display, when the disease degree indicating the degree of the valvular disease of a mitral valve is low, one or both of the first index value and the second index value calculated on a basis of the medical image in an end-diastolic phase.
7 more elements
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image,
- wherein the processing circuitry is further configured to display, when the degree of the disease related to the heart is low, a graph having a vertical axis that expresses magnitude of the wall shear stress and a horizontal axis that expresses distance from a reference position along the blood vessel and thereby indicating a relation between the magnitude of the wall shear stress and the distance, and further display, together with the graph, information indicating a range of the distance in which a third index value related to the blood vessel exhibits abnormal values.
2 more elements
A medical image processing apparatus, comprising:
- processing circuitry configured to
- extract a degree of a disease related to a heart from a medical image;
- and
- display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated based on the medical image,
- wherein the processing circuitry is further configured to display, when the degree of the disease related to the heart is low, with respect to each of a plurality of mutually-different points in time, a graph having a vertical axis that expresses magnitude of the wall shear stress and a horizontal axis that expresses distance from a reference position along the blood vessel and thereby indicating a relation between the magnitude of the wall shear stress and the distance.
2 more elements
Dependencies are inferred from the claim text.