# US 11,298,104 B2 · Medical processing apparatus, ultrasound diagnostic apparatus, and medical processing method

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- Number: US 11,298,104 B2
- Document ID: US11298104B2
- Status: Granted
- Kind: B2
- Application number: 15/658,624
- Filed: 2017-07-25
- Published: 2018-02-15
- Granted: 2022-04-12
- Earliest claimed: 2016-08-10
- Assignees: Canon Medical Systems Corporation
- Applicants: Canon Medical Systems Corporation
- Inventors: Shogo Fukuda; Keita Yonemori
- Web page: https://patentgrep.com/patent/US11298104B2

## CPC

- A61B 8/0883: {for diagnosis of the heart}
- A61B 8/463: {characterised by displaying multiple images or images and diagnostic data on one display}
- A61B 8/483: {involving the acquisition of a 3D volume of data}
- A61B 8/5223: {for extracting a diagnostic or physiological parameter from medical diagnostic data (for algorithms to analyse biomedical images G06T7/0012)}
- G16H 50/30: for calculating health indices; for individual health risk assessment
- A61B 8/488: {involving Doppler signals}
- A61B 8/523: {for generating planar views from image data in a user selectable plane not corresponding to the acquisition plane}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA

## Abstract

According to one embodiment, a medical processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a body mark that schematically shows a positional relationship of a plurality of structures in a heart. The processing circuitry analyzes image data as analysis targets which are at least two structures in the heart of a subject, the image data being acquired by scanning the subject. The processing circuitry displays the body mark on a display together with analysis results of the at least two structures.

## Claims

### Claim 1

A medical processing apparatus comprising processing circuitry configured to:
obtain an image that shows a positional relation of at least two structures selected from among a left ventricle, a left atrium, a right ventricle, and a right atrium in a heart of a subject,
analyze acquired image data as analysis targets which are the at least two structures in the heart of the subject, the acquired image data being acquired by scanning the subject,
generate analysis results for each of the at least two structures, and
display the image on a display together with the analysis results, wherein
the processing circuitry is configured to display the image and the analysis results on the display as moving images in accordance with a heart time phase,
the image includes a three-dimensional schematic image,
the analysis results, for each of the at least two structures, includes a three-dimensional analysis image and a polar map image,
a rendering direction of the three-dimensional schematic image corresponds to a rendering direction of the three-dimensional analysis image,
when the analysis results corresponding to a first structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the first structure is emphasized, and
when the analysis results corresponding to a second structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the second structure is emphasized.

### Claim 2 (depends on 1)

The medical processing apparatus according to claim 1, wherein the processing circuitry is configured to display the analysis results of each of the at least two structures in respective individual display areas on the display.

### Claim 3 (depends on 2)

The medical processing apparatus according to claim 2, wherein
the at least two structures include the first structure and the second structure,
the image includes a first area corresponding to the first structure and a second area corresponding to the second structure, and
a relative positional relationship between the first area and the second area in the image displayed on the display corresponds to an arrangement of the analysis results corresponding to the first structure and the analysis results corresponding to the second structure displayed on the display.

### Claim 4 (depends on 1)

The medical processing apparatus according to claim 1, wherein
the at least two structures include a structure other than an analysis target, and
in the image, a display aspect of an area corresponding to the analysis target is different from a display aspect of an area corresponding to the structure other than the analysis target.

### Claim 5 (depends on 1)

The medical processing apparatus according to claim 1, wherein the three-dimensional schematic image shows a three-dimensional positional relationship of the at least two structures.

### Claim 6 (depends on 5)

The medical processing apparatus according to claim 5, wherein the processing circuitry is configured to
generate rendering images of volume data that is acquired as the analysis results corresponding to the first structure and the analysis results corresponding to the second structure, and
acquire the three-dimensional image in accordance with a rendering condition used for generating the rendering images.

### Claim 7 (depends on 6)

The medical processing apparatus according to claim 6, wherein the processing circuitry is configured to
execute registration between the volume data and the three-dimensional image, and
acquire the three-dimensional image by rendering the three-dimensional image after the registration in accordance with a condition corresponding to the rendering condition.

### Claim 8 (depends on 5)

The medical processing apparatus according to claim 5, wherein the three-dimensional image includes a cross-section mark indicating a position of a reference cross-sectional surface of the heart.

### Claim 9 (depends on 1)

The medical processing apparatus according to claim 1, wherein the processing circuitry is configured to
display the image on the display prior to analyzing the acquired image data,
analyze the acquired image data in response to a selection instruction with respect to the at least two structures in the image displayed prior to the analyzing the acquired image data, and
generate the analysis results corresponding to the first structure and the analysis results corresponding to the second structure based on the selection instruction.

### Claim 10 (depends on 1)

The medical processing apparatus according to claim 1, wherein, in response to a structure that is different from a structure included in the analysis results corresponding to the first structure and the analysis results corresponding to the second structure being selected in the image displayed together with the analysis results corresponding to the first structure and the analysis results corresponding to the second structure on the display, the processing circuitry is configured to display analysis results corresponding to the different structure on the display together with the image.

### Claim 11 (depends on 1)

The medical processing apparatus according to claim 1, wherein, in response to a structure included in the analysis results corresponding to the first structure and the analysis results corresponding to the second structure being designated in the image displayed on the display together with the analysis results corresponding to the first structure and the analysis results corresponding to the second structure, the processing circuitry is configured to reanalyze the acquired image data regarding the designated structure, and to display analysis results generated by reanalyzing the acquired image data on the display together with the image.

### Claim 12 (depends on 1)

An ultrasound diagnostic apparatus comprising the medical processing apparatus according to claim 1.

### Claim 13 (depends on 1)

The medical processing apparatus according to claim 1, wherein the processing circuitry is configured to:
display a two-dimensional cross-sectional image of the heart obtained based on the acquired image data on the display, and
display the image, the analysis results corresponding to the first structure and the analysis results corresponding to the second structure, and the two-dimensional cross-sectional image on the display together as the moving images in accordance with the heart time phase.

### Claim 14 (depends on 1)

The medical processing apparatus according to claim 1, wherein the processing circuitry is configured to display a two-dimensional cross-sectional image of the heart obtained based on the acquired image data on the display with the image in accordance with the heart time phase.

### Claim 15 (depends on 14)

The medical processing apparatus according to claim 14, wherein the processing circuitry is configured to display an object indicating a position of the two-dimensional cross-sectional image in the image on the display together with the image.

### Claim 16 (depends on 1)

The medical processing apparatus according to claim 1, wherein the processing circuitry is configured to:
display on the display a plurality of two-dimensional cross-sectional images showing different cross-sectional surfaces of the heart obtained based on the acquired image data,
display the image and the plurality of two-dimensional cross-sectional images on the display as moving images in accordance with a heart time phase, and
display a plurality of objects indicating positions of the plurality of two-dimensional cross-sectional images in the image on the display together with the image.

### Claim 17 (depends on 1)

The medical processing apparatus according to claim 1, wherein the image shows shapes of the at least two structures.

### Claim 18 (depends on 17)

The medical processing apparatus according to claim 17, wherein
the acquired image data is volume data obtained by scanning the heart, and
the image is generated based on the volume data.

### Claim 19 (depends on 1)

The medical processing apparatus according to claim 1, wherein each of the image, the analysis results corresponding to the first structure, and the analysis results corresponding to the second structure includes a surface rendering image or a volume rendering image.

### Claim 20

A medical processing method comprising:
obtaining an image that shows a positional relation of at least two structures selected from among a left ventricle, a left atrium, a right ventricle, and a right atrium in a heart of a subject,
analyzing acquired image data as analysis targets which are the at least two structures in the heart of the subject, the acquired image data being acquired by scanning the subject,
generating analysis results for each of the at least two structures, and
displaying the image on a display together with the analysis results, wherein
the method further comprises displaying the image and the analysis results on the display as moving images in accordance with a heart time phase,
the image includes a three-dimensional schematic image,
the analysis results, for each of the at least two structures, includes a three-dimensional analysis image and a polar map image,
a rendering direction of the three-dimensional schematic image corresponds to a rendering direction of the three-dimensional analysis image,
when the analysis results corresponding to a first structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the first structure is emphasized, and
when the analysis results corresponding to a second structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the second structure is emphasized.

### Claim 21

A medical processing apparatus comprising processing circuitry configured to
obtain an image, which is a three-dimensional image showing a positional relation and shapes of structures of a left ventricle, a left atrium, a right ventricle, and a right atrium in a heart of a subject,
generate analysis results by analyzing, with the left ventricle and the left atrium in the heart of the subject as analysis targets, acquired image data acquired by scanning the subject,
display a plurality of two-dimensional cross-sectional images showing different cross-sectional surfaces of the heart, which are obtained based on the three-dimensional image and the acquired image data, on a display as moving images in accordance with a heart time phase, together with the analysis results of structures of the left ventricle and the left atrium, and further display a plurality of objects indicating positions of the plurality of two-dimensional cross-sectional images in the image together with the image, wherein
the image includes a three-dimensional schematic image,
the analysis results, for each of the left ventricle and the left atrium, includes a three-dimensional analysis image and a polar map image,
a rendering direction of the three-dimensional schematic image corresponds to a rendering direction of the three-dimensional analysis image,
when the analysis results corresponding to the left ventricle are displayed, a part of the three-dimensional schematic image corresponding to the left ventricle is emphasized, and
when the analysis results corresponding to the left atrium are displayed, a part of the three-dimensional schematic image corresponding to the left atrium is emphasized.

### Claim 22 (depends on 21)

The medical processing apparatus according to claim 21, wherein
the acquired image data is volume data obtained by scanning the heart, and
the image is generated based on the volume data.

### Claim 23

A non-transitory computer-readable storage medium storing a program to cause a computer to perform a method comprising:
obtaining an image that schematically shows a positional relation of at least two structures selected from among a left ventricle, a left atrium, a right ventricle, and a right atrium in a heart of a subject,
analyzing acquired image data as analysis targets which are the at least two structures in the heart of the subject, the acquired image data being acquired by scanning the subject,
generating analysis results for each of the at least two structures, and
displaying the image on a display together with the analysis results, wherein
the method further comprises displaying the image and the analysis results on the display as moving images in accordance with a heart time phase,
the image includes a three-dimensional schematic image,
the analysis results, for each of the at least two structures, includes a three-dimensional analysis image and a polar map image,
a rendering direction of the three-dimensional schematic image corresponds to a rendering direction of the three-dimensional analysis image,
when the analysis results corresponding to a first structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the first structure is emphasized, and
when the analysis results corresponding to a second structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the second structure is emphasized.

### Claim 24

A medical processing apparatus comprising processing circuitry configured to:
acquire an image that shows a positional relation of at least two structures selected from among a left ventricle, a left atrium, a right ventricle, and a right atrium in a heart of a subject,
analyze image data of the image as analysis targets which are the at least two structures in the heart of the subject, the image data being acquired by scanning the subject,
generate analysis results for each of the at least two structures, and
display the image on a display together with the analysis results, wherein
the processing circuitry is configured to display the image and the analysis results on the display as moving images in accordance with a heart time phase,
the image includes a three-dimensional schematic image,
the analysis results, for each of the at least two structures, includes a three-dimensional analysis image and a polar map image,
a rendering direction of the three-dimensional schematic image corresponds to a rendering direction of the three-dimensional analysis image,
when the analysis results corresponding to a first structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the first structure is emphasized, and
when the analysis results corresponding to a second structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the second structure is emphasized.

### Claim 25

A medical processing method comprising:
acquiring an image that shows a positional relation of at least two structures selected from among a left ventricle, a left atrium, a right ventricle, and a right atrium in a heart of a subject,
analyzing image data of the image as analysis targets which are the at least two structures in the heart of the subject, the image data being acquired by scanning the subject,
generating analysis results for each of the at least two structures, and
displaying the image on a display together with the analysis results, wherein
the method further comprises displaying the image and the analysis results on the display as moving images in accordance with a heart time phase,
the image includes a three-dimensional schematic image,
the analysis results, for each of the at least two structures, includes a three-dimensional analysis image and a polar map image,
a rendering direction of the three-dimensional schematic image corresponds to a rendering direction of the three-dimensional analysis image,
when the analysis results corresponding to a first structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the first structure is emphasized, and
when the analysis results corresponding to a second structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the second structure is emphasized.

### Claim 26

A medical processing apparatus comprising processing circuitry configured to
acquire an image, which is a three-dimensional image showing a positional relation and shapes of structures of a left ventricle, a left atrium, a right ventricle, and a right atrium in a heart of a subject,
generate analysis results by analyzing, with the left ventricle and the left atrium in the heart of the subject as analysis targets, image data of the image acquired by scanning the subject,
display a plurality of two-dimensional cross-sectional images showing different cross-sectional surfaces of the heart, which are obtained based on the three-dimensional image and the image data, on a display as moving images in accordance with a heart time phase, together with the analysis results of structures of the left ventricle and the left atrium, and further display a plurality of objects indicating positions of the plurality of two-dimensional cross-sectional images in the image together with the image, wherein
the image includes a three-dimensional schematic image,
the analysis results, for each of the left ventricle and the left atrium, includes a three-dimensional analysis image and a polar map image,
a rendering direction of the three-dimensional schematic image corresponds to a rendering direction of the three-dimensional analysis image,
when the analysis results corresponding to the left ventricle are displayed, a part of the three-dimensional schematic image corresponding to the left ventricle is emphasized, and
when the analysis results corresponding to the left atrium are displayed, a part of the three-dimensional schematic image corresponding to the left atrium is emphasized.

### Claim 27

A non-transitory computer-readable storage medium storing a program to cause a computer to perform a method comprising:
acquiring an image that schematically shows a positional relation of at least two structures selected from among a left ventricle, a left atrium, a right ventricle, and a right atrium in a heart of a subject,
analyzing image data of the image as analysis targets which are the at least two structures in the heart of the subject, the image data being acquired by scanning the subject,
generating analysis results for each of the at least two structures, and
displaying the image on a display together with the analysis results, wherein
the method further comprises displaying the image and the analysis results on the display as moving images in accordance with a heart time phase,
the image includes a three-dimensional schematic image,
the analysis results, for each of the at least two structures, includes a three-dimensional analysis image and a polar map image,
a rendering direction of the three-dimensional schematic image corresponds to a rendering direction of the three-dimensional analysis image,
when the analysis results corresponding to a first structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the first structure is emphasized, and
when the analysis results corresponding to a second structure of the at least one of the two structures are displayed, a part of the three-dimensional schematic image corresponding to the second structure is emphasized.