Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1997-08-21
2000-02-08
Casler, Brian L.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
324307, 324309, A61B 5055
Patent
active
060236353
ABSTRACT:
A three dimensional magnetic resonance imaging technique is utilized to generate 1/Nth of a complete data set from a first selected slab (38a). The data set is complete in a read direction and a first phase encode direction and 1/Nth complete in a second phase encode direction. The selected slab is shifted by 1/Nth its dimension in the second phase encode direction and another 1/Nth complete data set is generated. This process is repeated until N data sets are generated. The N data sets are reconstructed into a slice image which slice images are stacked in a three dimensional final image memory (94) and which are projected (96) along a selected projection direction into a projection image (40). The process is repeated with each new data set replacing the oldest data set in memories (84.sub.1, 84.sub.2 . . .) to generate a stack of slice images which are projected into the projection image. At any time during the process, projection direction can be changed and the sliced data reprojected.
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Liu Kecheng
Tanttu Jukka I.
Casler Brian L.
Picker International Inc.
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