MAGNETIC RESONANCE IMAGING APPARATUS

• Main Authors: OISHI TAKAFUMI, FUHA SADANORI
• Format: Patent
• Language: English; Japanese
• Published: 05.11.2020
• Subjects: ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; DIAGNOSIS; ELECTRICITY; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

To ensure a stable wireless communication line between a local coil and a body in a magnetic resonance imaging apparatus having a wireless type local coil.SOLUTION: A magnetic resonance imaging apparatus in an embodiment includes: a local coil for receiving a magnetic resonance signal from a subject, which includes a first wireless antenna whose polarization is horizontal polarization; an apparatus body having a bore for accommodating the subject in imaging, which applies an RF pulse to the subject; and one or more second wireless antennas for executing wireless communication between the local coil and the apparatus body through the first wireless antenna, one of which is disposed at least at the zenith part of the outer periphery of the opening end part of the bore.SELECTED DRAWING: Figure 3 【課題】無線型の局所コイルを有する磁気共鳴イメージング装置において、局所コイルと本体との間の安定な無線通信回線の確保ができるようにする。【解決手段】一実施形態の磁気共鳴イメージング装置は、被検体からの磁気共鳴信号を受信すると共に、偏波が水平偏波である第１の無線アンテナを有する局所コイルと、撮像時に前記被検体が収容されるボアを有すると共に、前記被検体にＲＦパルスを印加する装置本体と、前記第１の無線アンテナを介して、前記局所コイルと前記装置本体との間の無線通信を行う１又は複数の第２の無線アンテナであって、前記ボアの開口端部の外周のうち少なくともその天頂部には１つが配置される第２の無線アンテナと、を備える。【選択図】 図３