# US 10,863,959 B2 · X-ray CT apparatus

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- Number: US 10,863,959 B2
- Document ID: US10863959B2
- Status: Granted
- Kind: B2
- Application number: 15/438,256
- Filed: 2017-02-21
- Published: 2017-06-22
- Granted: 2020-12-15
- Earliest claimed: 2015-12-21
- Assignees: Canon Medical Systems Corporation
- Applicants: Toshiba Medical Systems Corporation
- Inventors: Masaharu Tsuyuki
- Web page: https://patentgrep.com/patent/US10863959B2

## CPC

- A61B 6/487: {involving fluoroscopy}
- A61B 6/027: {characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral}
- A61B 6/03: Computed tomography [CT]
- A61B 6/032: {Transmission computed tomography [CT]}
- A61B 6/0407: {Supports, e.g. tables or beds, for the body or parts of the body}
- A61B 6/06: Diaphragms
- A61B 6/4035: {the source being combined with a filter or grating}
- A61B 6/467: {characterised by special input means}
- A61B 6/469: {for selecting a region of interest [ROI]}
- A61B 6/486: {involving generating temporal series of image data}
- A61B 6/5205: {involving processing of raw data to produce diagnostic data}
- A61B 6/5294: {involving using additional data, e.g. patient information, image labeling, acquisition parameters}
- A61B 6/542: {involving control of exposure}
- A61B 34/20: Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B 34/25: {User interfaces for surgical systems}
- A61B 6/0492: {using markers or indicia for aiding patient positioning}
- A61B 6/08: Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
- A61B 6/46: Arrangements for interfacing with the operator or the patient
- A61B 6/465: {adapted to display user selection data, e.g. graphical user interface, icons or menus}
- A61B 6/488: {involving pre-scan acquisition}
- A61B 2034/102: {Modelling of surgical devices, implants or prosthesis}
- A61B 2034/2046: {Tracking techniques}
- A61B 2560/0266: for monitoring or limiting apparatus function
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

An X-ray CT apparatus includes: a gantry having an opening provided to be interposed between an X-ray tube and an X-ray detector; a couch including driving circuitry for inserting a couchtop on which a subject is placed, into the opening; storage circuitry storing therein pieces of information that are related to puncture positions of the couchtop and correspond to pieces of unique information of practitioners who each apply a manipulation to the subject; and processing circuitry configured, when a first practitioner is to apply the manipulation, to control the driving circuitry so as to move the couchtop to a puncture position indicated by a piece of information related to a puncture position corresponding to a piece of unique information pertaining to the first practitioner, the piece of information being among the pieces of information that are related to the puncture positions and stored in the storage circuitry.

## Claims

### Claim 1

An X-ray CT apparatus comprising:
a gantry having an opening provided to be interposed between an X-ray tube and an X-ray detector;
a couch including driving circuitry configured to insert a couchtop on which a subject is placed, into the opening;
storage circuitry configured to store therein pieces of information that are related to a plurality of puncture positions of the couchtop and that correspond to pieces of unique information of a plurality of practitioners who each apply a manipulation to the subject, each of the pieces of unique information comprising at least one of a piece of information indicating a physique of each of the plurality of practitioners, a piece of information indicating a dominant arm of each of the plurality of practitioners, and a piece of information indicating which side of the couch each of the plurality of practitioners is positioned; and
processing circuitry configured, when a first practitioner is to apply the manipulation, to control the driving circuitry so as to move the couchtop to a puncture position indicated by a piece of information related to a puncture position corresponding to a piece of unique information pertaining to the first practitioner, the piece of information being among the pieces of information that are related to the plurality of puncture positions and are stored in the storage circuitry.

### Claim 2 (depends on 1)

The X-ray CT apparatus according to claim 1, wherein
the processing circuitry obtains a first piece of unique information of the first practitioner, and
on a basis of the first piece of unique information, the processing circuitry controls the driving circuitry so as to move the couchtop to the puncture position indicated by the piece of information related to the puncture position corresponding to the piece of unique information which is similar to the first piece of unique information, the piece of information being among the pieces of information that are related to the plurality of puncture positions and are stored in the storage circuitry.

### Claim 3 (depends on 1)

The X-ray CT apparatus according to claim 1, wherein
the storage circuitry stores therein the pieces of information that are related to the plurality of puncture positions and that correspond to a piece of unique information of the subject for each of pieces of unique information of a plurality of subjects, and
the processing circuitry controls the driving circuitry so as to move the couchtop to the puncture position indicated by the piece of information related to the puncture position corresponding to a piece of unique information of a practitioner, which is similar to the piece of unique information of the first practitioner, and a piece of unique information of a subject, which is similar to a piece of unique information of a first subject to whom the manipulation is applied by the first practitioner, the piece of information being among the pieces of information that are related to the plurality of puncture positions and are stored in the storage circuitry.

### Claim 4 (depends on 1)

The X-ray CT apparatus according to claim 1, wherein
the storage circuitry stores therein pieces of information that are related to a plurality of image taking positions and that correspond to a plurality of combinations made up of the pieces of unique information of the plurality of practitioners and pieces of unique information of a plurality of subjects, and
the processing circuitry controls the driving circuitry so as to move the couchtop to the puncture position indicated by a piece of information related to an image taking position corresponding to the piece of unique information of the first practitioner and a piece of unique information of a first subject to whom the manipulation is applied by the first practitioner, the piece of information being among the pieces of information that are related to the plurality of image taking positions and are stored in the storage circuitry.

### Claim 5 (depends on 1)

The X-ray CT apparatus according to claim 1, wherein
the storage circuitry stores therein the pieces of information that are related to the plurality of puncture positions and that correspond to a plurality of combinations made up of the pieces of unique information of the plurality of practitioners, target regions of the subject, and the manipulations applied to the subject, and
the processing circuitry controls the driving circuitry so as to move the couchtop to the puncture position indicated by the piece of information related to the puncture position corresponding to the piece of unique information of the first practitioner, a first target region of a first subject to whom a first manipulation is applied by the first practitioner, and the first manipulation, the piece of information being among the pieces of information that are related to the plurality of puncture positions and are stored in the storage circuitry.

### Claim 6 (depends on 1)

The X-ray CT apparatus according to claim 1, wherein
the storage circuitry stores therein pieces of information that are related to a plurality of image taking positions and that correspond to a plurality of combinations made up of the pieces of unique information of the plurality of practitioners, target regions of the subject, and the manipulations applied to the subject, and
the processing circuitry controls the driving circuitry so as to move the couchtop to an image taking position indicated by a piece of information related to an image taking position corresponding to the piece of unique information of the first practitioner, a first target region of a first subject to whom a first manipulation is applied by the first practitioner, and the first manipulation, the piece of information being among the pieces of information that are related to the plurality of image taking positions and are stored in the storage circuitry.

### Claim 7 (depends on 1)

The X-ray CT apparatus according to claim 1, wherein
the storage circuitry stores therein pieces of information that are related to the plurality of puncture positions and that correspond to a plurality of combinations made up of the pieces of unique information of the plurality of practitioners and positions where the plurality of practitioners are each present when applying the manipulation, and
when the first practitioner is to apply the manipulation while being present in a first position, the processing circuitry controls the driving circuitry so as to move the couchtop to the puncture position indicated by a piece of information related to a puncture position corresponding to the piece of unique information of the first practitioner and the first position where the first practitioner is present when applying the manipulation, the piece of information being among the pieces of information that are related to the plurality of puncture positions and are stored in the storage circuitry.

### Claim 8

An X-ray CT apparatus comprising:
a gantry having an opening provided to be interposed between an X-ray tube and an X-ray detector;
a couch including driving circuitry configured to insert a couchtop on which a subject is placed, into the opening; and
processing circuitry configured to estimate a position of the subject in a real space based on a position of a second image relative to a first image rendering the gantry on a display screen of a display in which the second image is movable relative to the first image in response to an operation, and set a predetermined position of the couchtop based on the estimated position, the second image containing a puncture target site of the subject.

### Claim 9 (depends on 8)

The X-ray CT apparatus according to claim 8, wherein the processing circuitry causes the display to display at least one of a median line of the opening and a figure indicating a moveable range of the couchtop, together with the first image and the second image.

### Claim 10 (depends on 8)

The X-ray CT apparatus according to claim 8, wherein the processing circuitry sets the predetermined position of the couchtop by using a configuration in which, in a display image displayed by the display, a third image and a fourth image move, together with the second image and relative to the first image, in response to an operation, the third image rendering a device employed for a manipulation applied to the subject and the fourth image rendering the couchtop.

### Claim 11 (depends on 10)

The X-ray CT apparatus according to claim 10, wherein the processing circuitry further estimates a site of the subject that is positioned within the opening and causes the display to display a fifth image containing the estimated site and the first image.