7.側彎症全脊髄撮影における簡易濃度補償フィルタについて(II.X線撮影用補助具について)

抄録

For all vertebra radiography we made a density compensation filter to uniform of all vertebra density. The filter is composed of three materials as acryl plate, copper plate and magnet. And the filter is attached with magnet to the metaric panel of the tube port in front of a collimater. We have tried 1,500 cases with this system and found its effectiveness. The results are as follows.