Magnetic resonance imaging apparatus

A magnetic resonance imaging apparatus comprising a gantry whose structural components include a static field magnet, a gradient field coil, a high-frequency coil, and a sealed vessel that houses the gradient field coil, and

• wherein at least one of the structural components of the gantry which is formed by one of the static field magnet, gradient field coil, high-frequency coil and sealed vessel is coupled together with another one of the structural components of the gantry which is formed by another one of the static field magnet, gradient field coil, high-frequency coil and sealed vessel such that, at where electric connection is required, the connected gantry structural components are prevented from being in metallic contact with attachment screws used for joining such components into electrical connection.

A method for joining structural components of an MRI gantry whose structural components include a static field magnet, a gradient field coil, a high-frequency coil, and a sealed vessel that houses the gradient field coil, said method comprising:

• coupling at least one of the structural components of the gantry which is formed by one of the static field magnet, gradient field coil, high-frequency coil and sealed vessel with another one of the structural components of the gantry which is formed by another one of the static field magnet, gradient field coil, high-frequency coil and sealed vessel such that, where electric connection is required, the connected gantry structural components are prevented from being in metallic contact with attachment screws used for joining such components into electrical connection.

A method for physically connecting MRI gantry components together in electrical contact while reducing generation of adverse electrical signals otherwise caused by physical vibrations between such joined gantry components, said method comprising:

• clamping two MRI gantry components together in electrical contact using a non-metallic fastening structure in contact with said components.

An MRI gantry including a static field magnet, a gradient field coil, a high-frequency coil, and a sealed vessel that house the gradient field coil, said gantry comprising:

• at least one of the structural components which is formed by one of the static field magnet, gradient field coil, high-frequency coil and sealed vessel is connected together with another one of the structural components of the gantry which is formed by another one of the static field magnet, gradient field coil, high-frequency coil and sealed vessel where electric connection is required but which are prevented from being in metallic contact with an attachment member used for joining such components into electrical connection.

An MRI gantry having components connected together in electrical contact while reducing generation of adverse electrical signals otherwise caused by physical vibrations between such joined gantry components, said gantry comprising:

• two MRI gantry components clamped together in electrical contact using a non-metallic fastening structure in contact with said components.

A magnetic resonance imaging apparatus comprising a gantry whose structural components include a radio frequency (RF) coil having a metallic plate,

• wherein the metallic plate of the RF coil is physically fixed and electrically connected to another component of the gantry by an attachment screw which is prevented from being in mutual metallic contact with the metallic plate of the RF coil and the other component of the gantry.

A method of joining a metallic plate of a radio frequency (RF) coil of an MRI gantry to another component of the MRI gantry so that the metallic plate of the RF coil and the other component of the MRI gantry is physically fixed and electrically connected to each other by an attachment screw which is prevented from being in metallic contact with both the metallic plate of the RF coil and the other MRI gantry component.

A method for physically and electrically connecting an metallic plate of a radio frequency (RF) coil of an MRI gantry to another component of the MRI gantry, the method comprising clamping the metallic plate of the RF coil together with the other component of the MRI gantry using a non-metallic fastening structure in contact with the metallic plate of the RF coil and the other component of the MRI gantry.

An MRI gantry comprising a radio frequency (RF) oil, the RF coil having metallic plates which are physically and electrically connected together by an attachment member which is prevented from being in metallic contact with the metallic plates.

An MRI gantry comprising a radio frequency (RF) oil having a metallic tuner plate which is physically and electrically connected to another MRI gantry component by an attachment member, the attachment member prevented from being in metallic contact with the metallic tuner plate and the another MRI gantry component.

A method of physically and electrically connecting metallic tuner plate of a radio frequency (RF) coil of an MRI gantry with another MRI gantry component, the method comprising physically and electrically connecting the metallic tuner plate of the RF coil to the another MRI gantry component by an attachment member, the attachment member prevented from being in metallic contact with the metallic tuner plate of the RF coil and the another MRI gantry component.