# US 2019/0167135 A1 · Biomagnetic measurement apparatus, biological information measurement apparatus, and biomagnetic measurement method

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- Number: US 2019/0167135 A1
- Document ID: US20190167135A1
- Status: Published application
- Kind: A1
- Application number: 16/198,962
- Filed: 2018-11-23
- Published: 2019-06-06
- Earliest claimed: 2017-12-01
- Assignees: Ricoh Company, Ltd.; National University Corporation Tokyo Medical and Dental University
- Inventors: Yoshinori Okada; Yoshihisa Naijo; Hiroshi Deguchi; Taishi Watanabe; Yuki Miyano; Shigenori Kawabata
- Web page: https://patentgrep.com/patent/US20190167135A1

## CPC

- A61B 5/248: specially adapted for magnetoneurographic [MNG] signals, e.g. magnetospinographic [MSG] signals
- A61B 5/704: {Tables}
- 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 2562/0223: Magnetic field sensors
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A biomagnetic measurement apparatus includes a table on which a subject is placed; a biomagnetic detector configured to detect a biomagnetic field of the subject; a supporter configured to support a detection target region from which the biomagnetic field of the subject is detected; a radiation detector provided below the supporter; and a position changer configured to change relative positions of the biomagnetic detector and the detection target region. The supporter has a surface shape that corresponds to a surface of the biomagnetic detector.

## Claims

### Claim 1

A biomagnetic measurement apparatus comprising:
a table on which a subject is placed;
a biomagnetic detector configured to detect a biomagnetic field of the subject;
a supporter configured to support a detection target region from which the biomagnetic field of the subject is detected;
a radiation detector provided below the supporter; and
a position changer configured to change relative positions of the biomagnetic detector and the detection target region, wherein
the supporter has a surface shape that corresponds to a surface of the biomagnetic detector.

### Claim 2 (depends on 1)

The biomagnetic measurement apparatus according to claim 1, wherein the position changer moves the subject and the table, while a position of the biomagnetic detector is fixed.

### Claim 3 (depends on 1)

The biomagnetic measurement apparatus according to claim 1, wherein the position changer moves the subject and the supporter, while a position of the biomagnetic detector is fixed.

### Claim 4 (depends on 1)

The biomagnetic measurement apparatus according to claim 1, wherein
the position changer moves the subject, the table, and the supporter in a vertically upward direction, and
the radiation detector is disposed in a gap that is formed between the biomagnetic detector and the supporter.

### Claim 5 (depends on 1)

The biomagnetic measurement apparatus according to claim 1, wherein the position changer moves the subject in a horizontal direction, while a position of the biomagnetic detector is fixed.

### Claim 6 (depends on 1)

The biomagnetic measurement apparatus according to claim 1, wherein the table includes a plurality of region-specific tables.

### Claim 7 (depends on 6)

The biomagnetic measurement apparatus according to claim 6, wherein the supporter is disposed between the plurality of region-specific tables.

### Claim 8 (depends on 1)

The biomagnetic measurement apparatus according to claim 1, wherein the supporter is held so as to be detachable from the table.

### Claim 9

A biomagnetic measurement apparatus configured to detect a biomagnetic field and capture a radiation image of a detection target region of a subject, wherein
the detecting of the biomagnetic field and the capturing of the radiation image are performed upon moving the subject to different positions respectively corresponding to the detecting of the biomagnetic field and the capturing of the radiation image, while maintaining a posture of the subject.

### Claim 10

A biological information measurement apparatus comprising:
a table on which a subject is placed;
a first biological information detector configured to detect first biological information of the subject;
a supporter configured to support a detection target region from which the first biological information of the subject is detected;
a second biological information detector configured to detect second biological information of the subject that is different from the first biological information, the second biological information detector being provided below the supporter; and
a position changer configured to change relative positions of the first biological information detector and the detection target region, wherein
the supporter has a surface shape that corresponds to a surface of the first biological information detector.

### Claim 11 (depends on 10)

The biological information measurement apparatus according to claim 10, wherein
the first biological information does not include information relating to morphology of the subject, and
the second biological information includes a morphological image of the subject.

### Claim 12

A biomagnetic measurement method comprising:
capturing a radiation image of a detection target region of a subject, by using a radiation detector;
detecting a biomagnetic field of the detection target region, by using a biomagnetic detector; and
changing relative positions of the biomagnetic detector and the detection target region, while maintaining a posture of the subject, between the capturing of the radiation image and the detecting of the biomagnetic field.

### Claim 13 (depends on 12)

The biomagnetic measurement method according to claim 12, further comprising:
removing the radiation detector from between the detection target region and the biomagnetic detector, before the detecting of the biomagnetic field.

### Claim 14 (depends on 12)

The biomagnetic measurement method according to claim 12, wherein the capturing of the radiation image is performed while placing the subject on a table and supporting the detection target region with a supporter having a surface shape that corresponds to a surface of the biomagnetic detector.

### Claim 15 (depends on 14)

The biomagnetic measurement method according to claim 14, further comprising:
removing the supporter from between the detection target region and the biomagnetic detector, before the detecting of the biomagnetic field.
