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MAGNETIC RESONANCE IMAGING APPARATUS, RF SHIMMING METHOD AND MAGNETIC RESONANCE IMAGING METHOD

기관명, 출원인, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 권리구분, 초록, 원본url, 첨부파일 순으로 구성된 표입니다.
기관명	NDSL
출원인	HITACHI MEDICAL CORP
출원번호	JP-0000048
출원일자	2016-01-04
공개번호	20160707
공개일자	0000-00-00
등록번호
등록일자	0000-00-00
권리구분	JPAT
초록	PROBLEM TO BE SOLVED: To provide an MRI apparatus capable of visualizing one of two tissues or portions with respect to the other with high luminance without incurring extension of time of pulse application, and further to provide an MRI method.SOLUTION: An imaging section of an MRI apparatus collects NMR signals by using a preliminary RF pulse exciting a first region and a high-frequency pulse including an excitation RF pulse exciting a second region different from the first region. A shimming parameter calculation section calculating a shimming parameter adjusting an irradiation magnetic field distribution generated by the high-frequency pulse irradiated from a plurality of channels individually sets shimming parameters different from each other with respect to the preliminary RF pulse and the excitation RF pulse. The imaging section performs imaging by using the preliminary RF pulse and the excitation RF pulse adjusted by the different shimming parameters.SELECTED DRAWING: Figure 6
원문URL	http://click.ndsl.kr/servlet/OpenAPIDetailView?keyValue=03553784&target=JPAT&cn=JPA2016030041383
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