Phase difference line scanning method of nmr blood vessel recording
专利汇可以提供Phase difference line scanning method of nmr blood vessel recording专利检索，专利查询，专利分析的服务。并且PURPOSE: To reduce the ghost and blurring of an image caused by the movement of a blood vessel of a patient in the acquirement of the data, on a reconstructed image.
CONSTITUTION: The recording of NMR blood vessel is obtained through the acquirement of the line scanning data. Each line of the NMR data can be obtained twice, one is that by the velocity sensitizing gradient having the positive first moment, and the other is that by the velocity sensitizing gradient having the negative first moment. The subtraction of the obtained two signals is performed, a signal from a static spin is deleted, and a signal from a flowing spin is increased. The magnitude of the velocity sensitizing gradient moment is variable in the cardiac period, so that an alias is not generated at the high blood velocity, and the signal intensity is not lowered in excess at the low blood velocity. The recording of blood is obtained by reconstructing the image from the line scanning data obtained from a series of slice.
COPYRIGHT: (C)1992,JPO，下面是Phase difference line scanning method of nmr blood vessel recording专利的具体信息内容。
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