Patent ID: 11883683
Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
Field: Medical technology (Instruments)
Classification: CPC A  G  H | IPC A  G

Claim 1:
2. A particle therapy system, comprising:
an accelerator which generates a charged particle beam for extraction;
an irradiation apparatus which irradiates the charged particle beam to an irradiation target;
a gantry which rotates together with the irradiation apparatus; and
an MRI apparatus which rotates together with the gantry,
wherein the MRI apparatus includes a magnetic circuit having an iron core and a plurality of coils serving as a magnetic flux source,
wherein the iron core includes two oppositely disposed magnetic poles, and a member for connecting the magnetic poles,
wherein at least one of the magnetic poles has a cavity,
wherein the charged particle beam passing through the cavity is irradiated to the irradiation target, and
wherein the MRI apparatus is movable to a direction of a rotation axis of the gantry.