# US 12,109,057 B2 · Medical imaging systems and methods of using the same

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- Number: US 12,109,057 B2
- Document ID: US12109057B2
- Status: Granted
- Kind: B2
- Application number: 17/856,559
- Filed: 2022-07-01
- Published: 2022-11-03
- Granted: 2024-10-08
- Earliest claimed: 2019-04-10
- Assignees: Argospect Technologies Inc.
- Applicants: Argospect Technologies Inc.
- Inventors: Zhiping Mu
- Web page: https://patentgrep.com/patent/US12109057B2

## CPC

- A61B 6/037: {Emission tomography}
- A61B 6/4233: {using matrix detectors}
- A61B 6/06: Diaphragms
- A61B 6/4035: {the source being combined with a filter or grating}
- A61B 6/4447: {Tiltable gantries}
- A61B 6/5211: {involving processing of medical diagnostic data}
- A61B 6/548: {Remote control of the apparatus or devices}
- G21K 1/025: {using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G21K: HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES

## Abstract

A medical imaging system includes a collimator having a plurality of collimator parts configured to filter radiation emitted from a target object; a detector base; and a detector having a plurality of detector tiles, configured to acquire an image of the target object by detecting radiation that has passed through the plurality of collimator parts, wherein at least one of the plurality of detector tiles is tilted with respect to the detector base.

## Claims

### Claim 1

A medical imaging system, comprising:
a collimator having a plurality of collimator parts configured to filter radiation emitted from a target object;
a detector base; and
a detector having a plurality of detector tiles, configured to acquire an image of the target object by detecting radiation that has passed through the plurality of collimator parts, wherein at least one of the plurality of detector tiles is tilted with respect to the detector base.

### Claim 2 (depends on 1)

The medical imaging system of claim 1, wherein each of the plurality of detector tiles has a field of view and the fields of view overlap.

### Claim 3 (depends on 1)

The medical imaging system of claim 1, further comprising at least one shielding plate positioned between the plurality of detector tiles.

### Claim 4 (depends on 1)

The medical imaging system of claim 1, wherein the at least one tilted detector tile is tilted by an actuator positioned between the detector base and the at least one tilted detector tile.

### Claim 5 (depends on 1)

The medical imaging system of claim 1, wherein the plurality of collimator parts are hingedly linked.

### Claim 6 (depends on 1)

The medical imaging system of claim 1, wherein at least one of the plurality of collimator parts includes through holes that form a coded aperture or an extended coded aperture.

### Claim 7 (depends on 1)

The medical imaging system of claim 1, wherein each of the plurality of collimator parts is mounted to a respective one of the plurality of detector tiles such that each of the plurality of collimator parts moves with its respective detector tile.

### Claim 8 (depends on 1)

The medical imaging system of claim 1, wherein each of the plurality of detector tiles corresponds to one of the plurality of collimator parts, and wherein at least one of the plurality of collimator parts is not parallel with respect to a top surface of its corresponding detector tile.

### Claim 9 (depends on 1)

The medical imaging system of claim 1, wherein each of the plurality of detector tiles corresponds to one of the plurality of collimator parts, and wherein both of the plurality of collimator parts are parallel with respect to a top surface of its corresponding detector tile.

### Claim 10 (depends on 1)

The medical imaging system of claim 1, wherein normal lines of the plurality of collimators parts intersect at a common point, the common point defining a center of a field of view of the medical imaging system.

### Claim 11 (depends on 10)

The medical imaging system of claim 10, wherein the detector is rotatable, and wherein the center of the field of view remains at a same location when the detector is rotated.

### Claim 12 (depends on 1)

The medical imaging system of claim 1, wherein a plurality of detector tiles are tiled with respect to the detector base.

### Claim 13 (depends on 12)

The medical imaging system of claim 12, wherein the plurality of detector tiles are tilted with respect to the detector base at a same angle.

### Claim 14 (depends on 12)

The medical imaging system of claim 12, wherein the plurality of detector tiles are tilted with respect to the detector base at different angles.

### Claim 15 (depends on 1)

The medical imaging system of claim 1, wherein at least one of the plurality of detector tiles is not tilted with respect to the detector base.

### Claim 16 (depends on 1)

The medical imaging system of claim 1, wherein the plurality of detector tiles are hingedly linked.

### Claim 17 (depends on 1)

The medical imaging system of claim 1, wherein the plurality of detector tiles are spaced apart by a gap.

### Claim 18 (depends on 17)

The medical imaging system of claim 17, wherein the gap is smaller than a width of at least one of the plurality of detector tiles.

### Claim 19 (depends on 1)

The medical imaging system of claim 1, wherein the detector base is a common detector base shared by the plurality of detector tiles.

### Claim 20 (depends on 1)

The medical imaging system of claim 1, further comprising at least one shielding plate positioned radially outward with respect to at least one of the plurality of collimator parts.