Medical imaging apparatus and bed for medical imaging apparatus

1. A medical imaging apparatus comprising:

an apparatus main body equipped with an imaging function of an object;

a movable bed; and

coupling mechanisms arranged on an apparatus main body side and a bed side, respectively, in order to detachably couple the bed to the apparatus main body, wherein

one coupling mechanism either on the apparatus main body side or on the bed side includes a coupling plate, and the other coupling mechanism includes a holding member that holds the coupling plate, and

a first electric connector is mounted on the coupling plate, a second electric connector is mounted on the holding member, and an electric connector coupling mechanism that couples the first and second electric connectors is mounted on at least one of the coupling plate and the holding member in a state where the coupling plate is held by the holding member,

wherein the electric connector coupling mechanism is configured to include a hook-shaped coupling tool attached to one of the first and second electric connectors, and a pin attached to the other, and as the coupling tool is engaged with the pin, the first and second connectors are coupled together,

the coupling tool includes a first arm that rotates the coupling tool in a direction in which the coupling tool is engaged with the pin, and a second arm that rotates the coupling tool in a direction in which the coupling tool is decoupled from the pin, and

one end of a first wire is connected to the first arm, one end of a second wire is connected to the second arm, and the other ends of the first and second wires are connected to first and second operating units, respectively.

2. The medical imaging apparatus according to claim 1 ,

wherein the electric connector coupling mechanism includes a sliding mechanism that slidably holds one of the first and second electric connectors in a direction approaching the other when the coupling tool is engaged with the pin.

3. The medical imaging apparatus according to claim 2 ,

wherein the electric connector coupling mechanism includes a biasing member that biases one of the first and second electric connectors in a direction along the sliding mechanism away from the other when the coupling tool is disengaged from the pin.

4. The medical imaging apparatus according to claim 1 ,

wherein the electric connector coupling mechanism includes a movable mechanism that displaces one of the first and second electric connectors to the other so as to align the first and second electric connectors with each other.

5. The medical imaging apparatus according to claim 4 ,

wherein the movable mechanism includes an elastic member that supports either of the first or second electric connectors so as to be displaceable in directions of two or more dimensions with respect to the other.

6. The medical imaging apparatus according to claim 5 ,

wherein the movable mechanism includes one or more sliding plates, the elastic member supports the one or more sliding plates, and either of the first or second electric connectors is supported by a front surface of a first sliding plate of the sliding plates.

7. The medical imaging apparatus according to claim 1 ,

wherein a guide mechanism that is displaced by the second wire while being guided in a movement direction of the second arm is provided between the second arm and the second wire.

8. The medical imaging apparatus according to claim 1 ,

wherein the main apparatus body is a magnetic resonance imaging apparatus.

9. A medical imaging apparatus comprising:

an apparatus main body equipped with an imaging function of an object;

a movable bed; and

coupling mechanisms arranged on an apparatus main body side and a bed side, respectively, in order to detachably couple the bed to the apparatus main body, wherein

one coupling mechanism either on the apparatus main body side or on the bed side includes a coupling plate, and the other coupling mechanism includes a holding member that holds the coupling plate, and

a first electric connector is mounted on the coupling plate, a second electric connector is mounted on the holding member, and an electric connector coupling mechanism that couples the first and second electric connectors is mounted on at least one of the coupling plate and the holding member in a state where the coupling plate is held by the holding member,

wherein the electric connector coupling mechanism includes a movable mechanism that displaces one of the first and second electric connectors to the other so as to align the first and second electric connectors with each other,

wherein the movable mechanism includes an elastic member that supports either of the first or second electric connectors so as to be displaceable in directions of two or more dimensions with respect to the other,

wherein the movable mechanism includes one or more sliding plates, the elastic member supports the one or more sliding plates, and either of the first or second electric connectors is supported by a front surface of a first sliding plate of the sliding plates, and

wherein the first sliding plate is supported by the elastic member from vertical and horizontal directions, and a second sliding plate arranged so as to contact a rear surface of the first sliding plate is supported by the elastic member so as to be pushed out from the rear surface to the front by the elastic member.

10. The medical imaging apparatus according to claim 9 ,

wherein the movable mechanism includes a ball joint and the elastic member supports the ball joint.

11. The medical imaging apparatus according to claim 9 ,

wherein one or more locating pins are formed on one of facing surfaces of the first and second electric connectors so as to protrude toward the other facing surface, and holes having the locating pins inserted thereinto are provided in the other facing surface.

12. The medical imaging apparatus according to claim 11 , wherein

two or more locating pins are provided,

the first and second electric connectors are mounted on the coupling plate and the holding member so as to face each other with a predetermined spacing in a state where the coupling plate is held by the holding member, and

a long pin among the locating pins is longer than the predetermined spacing, and a short pin is shorter than the predetermined spacing.

13. A bed for a medical imaging apparatus that is attachable to and detachable from the medical imaging apparatus, and is movable, the bed comprising:

a coupling mechanism that is coupled to the medical imaging apparatus, wherein

the coupling mechanism includes a coupling plate having one end fixed and the other end protruding toward the medical imaging apparatus, and

an electric connector coupling mechanism that couples a first electric connector to a second electric connector arranged on a medical imaging apparatus side is mounted on the coupling plate,

wherein the electric connector coupling mechanism is configured to include a hook-shaped coupling tool attached to one of the first and second electric connectors, and a pin attached to the other, and as the coupling tool is engaged with the pin, the first and second connectors are coupled together,

the coupling tool includes a first arm that rotates the coupling tool in a direction in which the coupling tool is engaged with the pin, and a second arm that rotates the coupling tool in a direction in which the coupling tool is decoupled from the pin, and

one end of a first wire is connected to the first arm, one end of a second wire is connected to the second arm, and the other ends of the first and second wires are connected to first and second operating units, respectively.