PROBLEM TO BE SOLVED: To allow a doctor to continuously control parameters of ultrasonic signals and apply treatment at will.SOLUTION: A medical system 1 includes a magnetic field generating unit 2 that generates a magnetic field in the body of a patient, an MR signal detection unit 3 that detects an MR signal generated in the body tissue of the patient according to the magnetic field generated by the magnetic field generating unit 2, and an ultrasonic generating unit 4 that generates ultrasound to be applied to the body tissue within a detection range of the MR signal detection unit 3. The magnetic field generating unit 2 and the MR signal detection unit 3 are provided separately.COPYRIGHT: (C)2014,JPO&INPIT【課題】医師が連続的に超音波信号のパラメータを調節でき、思い通りに処置を行う。【解決手段】患者の体内に磁場を発生させる磁場発生部2と、該磁場発生部2により発生された磁場に応じて患者の体組織において発生するMR信号を検出するMR信号検出部3と、該MR信号検出部3による検出範囲内の体組織に対して照射する超音波を発生する超音波発生部4とを備え、磁場発生部2とMR信号検出部3とが別体である医療システム1を提供する。【選択図】図1