# US 2017/0285153 A1 · Ultrasonic device, ultrasonic measurement apparatus, and ultrasonic image display

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- Number: US 2017/0285153 A1
- Document ID: US20170285153A1
- Status: Published application
- Kind: A1
- Application number: 15/453,235
- Filed: 2017-03-08
- Published: 2017-10-05
- Earliest claimed: 2016-03-29
- Assignees: Seiko Epson Corporation
- Applicants: Seiko Epson Corporation
- Inventors: Ryuichi SATO
- Web page: https://patentgrep.com/patent/US20170285153A1

## CPC

- G01S 7/52004: {Means for monitoring or calibrating (short-range imaging G01S7/5205)}
- A61B 8/0841: {for locating instruments}
- A61B 8/4444: {related to the probe}
- A61B 8/4483: {characterised by features of the ultrasound transducer}
- A61B 8/4488: {the transducer being a phased array}
- A61B 8/461: {Displaying means of special interest}
- G01S 7/52079: {Constructional features (constructional features of transducers B06B; mounting transducers G10K11/00; constructional features of ultrasonic medical diagnostic devices A61B8/44)}
- G01S 15/8915: {using a transducer array}
- G01S 15/8918: {the array being linear}
- G01S 15/8925: {the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays}
- G01S 15/8927: {using simultaneously or sequentially two or more subarrays or subapertures}
- A61B 8/4427: {Device being portable or laptop-like}
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

An ultrasonic device includes a plurality of ultrasonic element arrays each of which is provided with a plurality of ultrasonic elements arranged in a first direction, in which the plurality of ultrasonic element arrays are disposed at positions which do not interfere with each other in the first direction, and are disposed at positions which are deviated relative to each other in a second direction intersecting the first direction.

## Claims

### Claim 1

An ultrasonic device comprising:
a plurality of ultrasonic element arrays each of which is provided with a plurality of ultrasonic elements arranged in a first direction,
wherein the plurality of ultrasonic element arrays are disposed at positions which do not interfere with each other in the first direction, and are disposed at positions which are deviated relative to each other in a second direction intersecting the first direction.

### Claim 2 (depends on 1)

The ultrasonic device according to claim 1,
wherein a deviation amount in the second direction in ultrasonic element arrays adjacent to each other in the first direction among the plurality of ultrasonic element arrays is smaller than a width in the second direction of each of the ultrasonic element arrays adjacent to each other.

### Claim 3 (depends on 1)

The ultrasonic device according to claim 1,
wherein each of the ultrasonic element arrays has a measurement region based on a set transmission angle range of an ultrasonic wave in a plane including the first direction, and
wherein the measurement regions corresponding to the plurality of ultrasonic element arrays have an overlapping region in which at least some of the measurement regions overlap each other in a plan view in the second direction.

### Claim 4 (depends on 3)

The ultrasonic device according to claim 3,
wherein the transmission angle range is within ±45° with respect to a virtual line which is orthogonal to the first direction.

### Claim 5 (depends on 1)

The ultrasonic device according to claim 1,
wherein the ultrasonic element arrays are arranged in two or more columns and five or less columns in the first direction.

### Claim 6 (depends on 1)

The ultrasonic device according to claim 1,
wherein, in a case where a length dimension of the ultrasonic element array in the second direction is indicated by x, and an arrangement interval length of the plurality of ultrasonic element arrays in the second direction is indicated by Px, the ultrasonic element arrays included in n columns arranged in the first direction among the plurality of ultrasonic elements are disposed at positions satisfying (n−1)×Px≦x.

### Claim 7 (depends on 1)

An ultrasonic measurement apparatus comprising:
the ultrasonic device according to claim 1; and
a control unit that controls the ultrasonic device.

### Claim 8 (depends on 2)

An ultrasonic measurement apparatus comprising:
the ultrasonic device according to claim 2; and
a control unit that controls the ultrasonic device.

### Claim 9 (depends on 3)

An ultrasonic measurement apparatus comprising:
the ultrasonic device according to claim 3; and
a control unit that controls the ultrasonic device.

### Claim 10 (depends on 4)

An ultrasonic measurement apparatus comprising:
the ultrasonic device according to claim 4; and
a control unit that controls the ultrasonic device.

### Claim 11 (depends on 5)

An ultrasonic measurement apparatus comprising:
the ultrasonic device according to claim 5; and
a control unit that controls the ultrasonic device.

### Claim 12 (depends on 6)

An ultrasonic measurement apparatus comprising:
the ultrasonic device according to claim 6; and
a control unit that controls the ultrasonic device.

### Claim 13 (depends on 7)

The ultrasonic measurement apparatus according to claim 7,
wherein the control unit includes an angle setting portion that sets an ultrasonic wave transmission angle in the ultrasonic element array in a plane including the first direction.

### Claim 14 (depends on 13)

The ultrasonic measurement apparatus according to claim 13,
wherein the angle setting portion sets the transmission angle on the basis of a distance between a measurement position and the ultrasonic element array in a virtual line which is orthogonal to the first direction.

### Claim 15 (depends on 7)

An ultrasonic image display comprising:
the ultrasonic measurement apparatus according to claim 7; and
an image display device.

### Claim 16 (depends on 8)

An ultrasonic image display comprising:
the ultrasonic measurement apparatus according to claim 8; and
an image display device.

### Claim 17 (depends on 9)

An ultrasonic image display comprising:
the ultrasonic measurement apparatus according to claim 9; and
an image display device.

### Claim 18 (depends on 10)

An ultrasonic image display comprising:
the ultrasonic measurement apparatus according to claim 10; and
an image display device.

### Claim 19 (depends on 13)

An ultrasonic image display comprising:
the ultrasonic measurement apparatus according to claim 13; and
an image display device.

### Claim 20 (depends on 14)

An ultrasonic image display comprising:
the ultrasonic measurement apparatus according to claim 14; and
an image display device.