Digital scan mammography apparatus

Details Digital scan mammography apparatus Digital scan mammography apparatus

1993-11-26

1996-06-11

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Mammography

378145, 378 988, 378156, A61B 604

Patent

active

055263941

ABSTRACT:
An apparatus is disclosed for imaging a patient's breast (18) by scanning an imaging signal (58) and a receiver (30) across the patient's breast (18) and then constructing a time-delay integration composite image based on the scan. The receiver (30) includes an array of radiation sensitive detector elements (132). Read out of the array (132) is synchronized with the scanning motion of the receiver (30) based on output from position encoder (104) such that synchronization is maintained despite scan drive variances. A novel assembly (106) is also disclosed for allowing selection of an appropriate radiation filter based on particular imaging conditions.

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Yaffe, "Digital breast techniques excel at image display", Diagnostic Imaging, May, 1993, pp. 79, 80, 82 85 and 105.
Jackson et al., "Imaging of the Radiographically Dense Breast", Radiology, Aug., 1993, pp. 297-300.

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