# US 12,178,625 B2 · Radiation systems, methods, and devices

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- Number: US 12,178,625 B2
- Document ID: US12178625B2
- Status: Granted
- Kind: B2
- Application number: 17/660,415
- Filed: 2022-04-24
- Published: 2022-08-11
- Granted: 2024-12-31
- Earliest claimed: 2019-10-24
- Assignees: Shanghai United Imaging Healthcare Co., Ltd.
- Applicants: Shanghai United Imaging Healthcare Co., Ltd.
- Inventors: Qiang Yu; He Zhu; Zhanqiang Kong; Wenqiang Liu; Zhenwei Wang
- Web page: https://patentgrep.com/patent/US12178625B2

## CPC

- A61B 6/4405: {the apparatus being movable or portable, e.g. handheld or mounted on a trolley}
- A61B 90/50: Supports for surgical instruments, e.g. articulated arms
- A61B 6/105: {Braking or locking devices}
- A61B 6/107: {Protection against radiation, e.g. shielding}
- A61B 6/44: {Constructional features of apparatus for radiation diagnosis}
- A61B 6/4411: {the apparatus being modular (A61B6/4283 takes precedence)}
- A61B 6/447: {the source unit or the detector unit being mounted to counterpoise or springs}
- A61B 6/547: {involving tracking of position of the device or parts of the device}
- A61N 5/1077: {Beam delivery systems}
- B60B 33/0078: {characterised by details of the wheel braking mechanism}
- F16M 11/10: around a horizontal axis {(F16M11/12 takes precedence)}
- F16M 11/42: with arrangement for propelling the support {stands on wheels}
- A61B 6/025: {Tomosynthesis}
- A61B 6/03: Computed tomography [CT]
- A61B 6/037: {Emission tomography}
- A61B 2017/00221: {with wireless transmission of data, e.g. by infrared radiation or radiowaves}
- A61B 2090/034: {abutting on parts of the device itself}
- A61B 2090/064: {for measuring force, pressure or mechanical tension}
- A61B 2090/376: {using X-rays, e.g. fluoroscopy}
- A61B 2090/3762: {using computed tomography systems [CT]}
- A61N 2005/0633: {Arrangements for lifting or hinging the frame which supports the light sources}
- A61N 2005/1074: {Details of the control system, e.g. user interfaces}
- A61N 2005/1094: {Shielding, protecting against radiation}
- F16M 2200/021: for rotational movement
- F16M 2200/066: being part of the head
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B)
- B60B: VEHICLE WHEELS (making wheels or wheel parts by rolling B21H1/00, by forging, hammering or pressing B21K1/28); CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- F16M: FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS

## Abstract

The present disclosure provides a gantry for an X-ray system. The gantry may include a base section, a lifting section, and a swing section. The base section may be configured to move. A first end of the lifting section may be connected to the base section. A first end of the swing section may be rotatably connected to a second end of the lifting section. A radiation assembly may be disposed on a second end of the swing section.

## Claims

### Claim 1

A gantry for an X-ray system, comprising a base section, a lifting section, and a swing section, wherein
the base section is configured to move, and the base section includes a base frame and a support assembly, wherein
the support assembly includes a support rod; and
an end of the support rod is rotatably connected to the base frame;
a first end of the lifting section is connected to the base section; and
a first end of the swing section is rotatably connected to a second end of the lifting section, and a radiation assembly is disposed on a second end of the swing section.

### Claim 2 (depends on 1)

The gantry of claim 1, wherein
the base section includes a transfer wheel assembly,
the lifting section is connected to the base frame, and
the transfer wheel assembly is connected to the base frame.

### Claim 3 (depends on 2)

The gantry of claim 2, wherein
the transfer wheel assembly includes at least one of a fixing wheel, a movable wheel, or a lock assembly,
the fixing wheel is fixedly connected to the base frame,
the movable wheel is rotatably connected to the base frame, and receives the fixing wheel therein, and
the lock assembly is connected to the fixing wheel and configured to:
control a movement of the movable wheel such that the movable wheel is static relative to the fixing wheel when the lock assembly is in a locked configuration, and
control the movement of the movable wheel such that the movable wheel moves relative to the fixing wheel when the lock assembly is in an unlocked configuration.

### Claim 4 (depends on 3)

The gantry of claim 3, wherein
the lock assembly includes at least one of a master rod, a slave rod, a transmission rod, or a driving unit,
the master rod is disposed on the fixing wheel via a rotation shaft,
the slave rod includes a fixing end and a rotation end, the fixing end being rotatably connected to the fixing wheel,
a first end of the transmission rod is rotatably connected to the master rod, and a second end of the transmission rod is connected to the rotation end of the slave rod, and
the driving unit is connected to the rotation shaft and configured to:
drive a rotation of the master rod and cause the slave rod to press against the movable wheel when the rotation of the master rod causes the lock assembly to be in the locked configuration, and
drive the rotation of the master rod and disengage the slave rod from the movable wheel when the rotation of the master rod causes the lock assembly to be in the unlocked configuration.

### Claim 5 (depends on 3)

The gantry of claim 3, wherein
the transfer wheel assembly includes a first transfer wheel and a second transfer wheel, the first transfer wheel is disposed on a first side of the base frame, the second transfer wheel is disposed on a second side of the base frame, and the first side of the base frame is opposite to the second side of the base frame, and
a first lock assembly disposed on the first transfer wheel and a second lock assembly disposed on the second transfer wheel share one driving unit.

### Claim 6 (depends on 2)

The gantry of claim 2, wherein
the support assembly includes a support wheel and a locking unit,
the support wheel is disposed on the support rod and configured to support the support rod, and
the locking unit is disposed between the support rod and the base frame and configured to lock the support rod on the base frame.

### Claim 7 (depends on 6)

The gantry of claim 6, wherein
the locking unit includes a first lock block, a second lock block, and a lock nut,
the first lock block is connected to the support rod and includes a first protrusion or a first groove,
the second lock block is connected to the base frame and includes a second protrusion or a second groove, and
the lock nut includes a threaded connection that is configured to connect the first lock block and the second lock block.

### Claim 8 (depends on 1)

The gantry of claim 1, wherein
the lifting section includes a fixed sleeve, a support sliding rod, a lifting unit, and a first pneumatic support rod,
a first end of the fixed sleeve is connected to the base section, and a second end of the fixed sleeve is open,
the support sliding rod is disposed within a chamber of the fixed sleeve,
the lifting unit is connected to an end of the support sliding rod, the end of the support sliding rod extends beyond the fixed sleeve, and the lifting unit is connected to the swing section, and
the first pneumatic support rod is disposed within the chamber of the fixed sleeve, a first end of the first pneumatic support rod is connected to the base section, and a second end of the first pneumatic support rod is connected to the support sliding rod.

### Claim 9 (depends on 1)

The gantry of claim 1, wherein
the swing section includes a swing arm and a second pneumatic support rod,
a first end of the swing arm is connected to the second end of the lifting section, and the radiation assembly is disposed on a second end of the swing arm, and
the second pneumatic support rod is disposed between the swing arm and the lifting section, and a pulling force is exerted on the second pneumatic support rod when the swing arm swings upward.

### Claim 10 (depends on 1)

The gantry of claim 1, wherein
the gantry further includes a safety protection section, and the safety protection section is configured to lock at least one of the lifting section and the swing section,
the safety protection section includes a loading unit and a lock assembly,
the loading unit is configured to load an external component, the external component including the radiation assembly,
the lock assembly includes a first lock, a second lock, a first sub-locking unit, and a second sub-locking unit,
the second lock is disposed on the loading unit,
the first sub-locking unit is configured to lock the first lock and the second lock,
the second sub-locking unit is configured to lock the first sub-locking unit, and
the external component drives the second sub-locking unit to unlock the first sub-locking unit when the external component is loaded on the loading unit.

### Claim 11 (depends on 10)

The gantry of claim 10, wherein
the second sub-locking unit includes a locking part, a locking rod, and an elastic part,
the locking rod is connected to the locking part,
the elastic part is configured to drive the locking part to be reset, and
the external component drives the locking rod to move to cause the locking part to unlock the first sub-locking unit, and
the locking part locks the first sub-locking unit when the elastic part drives the locking part to be reset.

### Claim 12 (depends on 11)

The gantry of claim 11, wherein
the locking part includes a first plug plate that is configured to rotate around a fixed hinge point,
a connection point of the locking rod and the first plug plate do not overlap with the fixed hinge point, and
the locking rod drives the first plug plate to lock or unlock the first sub-locking unit when the locking rod moves.

### Claim 13 (depends on 12)

The gantry of claim 12, wherein
the first sub-locking unit includes a first plug slot, and
the first plug plate is engaged with the first plug slot to lock or disengaged from the first plug slot to unlock the first sub-locking unit; and
the locking part includes a plug socket, the plug socket being connected to the loading unit,
the first plug plate is rotatably connected to the plug socket,
the fixed hinge point is formed at a rotation connection point of the first plug plate and the plug socket, and
the elastic part is disposed between the first plug plate and the plug socket.

### Claim 14 (depends on 11)

The gantry of claim 11, wherein
the locking part includes a connection plug,
the locking rod is operably connected to the connection plug, and
the locking rod drives the connection plug to move to lock or unlock the first sub-locking unit.

### Claim 15 (depends on 14)

The gantry of claim 14, wherein
the locking part includes a rotation shaft, a rotation disk, a first pin, and a second pin,
the rotation shaft rotates relative to the loading unit,
the rotation disk is sleeved on the rotation shaft,
the first pin is connected to a first side of the rotation disk,
the second pin is connected to a second side of the rotation disk,
an axis of the first pin is not coincident with an axis of the second pin,
the first pin is connected to the locking rod via a hinge connection mode,
the second pin is connected to the connection plug via a hinge connection mode, and
the elastic part includes a torsion spring, two ends of the torsion spring being connected to the rotation shaft and the loading unit, respectively.

### Claim 16 (depends on 14)

The gantry of claim 14, wherein
the first sub-locking unit includes one or more jacks, and
the connection plug is inserted into the one or more jacks to lock the first sub-locking unit.

### Claim 17 (depends on 10)

The gantry of claim 10, wherein
one of the first lock and the second lock includes a second plug plate,
the other of the first lock and the second lock includes a second plug slot,
the second plug plate is inserted into the second plug slot, and
the first sub-locking unit passes through the second plug slot and the second plug plate to lock the first lock and the second lock; or
the first lock includes a third plug plate,
the second lock includes a fourth plug plate, and
the first sub-locking unit passes through the third plug plate and the fourth plug plate to lock the first lock and the second lock.

### Claim 18 (depends on 10)

The gantry of claim 10, wherein
the loading unit includes a slot,
the external component is loaded within the slot, and
the slot includes a position limiting part, the position limiting part being configured to lock or unlock the external component.

### Claim 19 (depends on 1)

The gantry of claim 1, wherein
the base section includes a transfer wheel assembly,
the transfer wheel assembly includes at least one of a fixing wheel, a movable wheel, or a lock assembly,
the lock assembly includes a master rod, two slave rods, and two transmission rods,
the master rod is disposed on the fixing wheel via a rotation shaft,
each of the two slave rods includes a fixing end and a rotation end, the fixing end being rotatably connected to the fixing wheel,
a rotation of the master rod simultaneously drives the two transmission rods that are connected to two ends of the master rod to cause the two slave rods that are connected to the two transmission rods to be expanded or retracted.

### Claim 20

A medical imaging system, comprising a gantry and a radiation assembly, the gantry including a base section, a lifting section, and a swing section, wherein
the base section is configured to move, and the base section includes a base frame and a support assembly, wherein
the support assembly includes a support rod; and
an end of the support rod is rotatably connected to the base frame;
a first end of the lifting section is connected to the base section;
a first end of the swing section is rotatably connected to a second end of the lifting section; and
the radiation assembly is disposed on a second end of the swing section.