| 摘要 |
PCT No. PCT/SE88/00173 Sec. 371 Date Dec. 11, 1989 Sec. 102(e) Date Dec. 11, 1989 PCT Filed Apr. 8, 1988 PCT Pub. No. WO88/07837 PCT Pub. Date Oct. 20, 1988.A tower structure (1) carries a pivotable swing arm (2) which has a geometric extension which deviates from the rectilinear between a first end at which the arm carries a holder (3) for an image-receptor accommodating cassette, and a second end at which the swing arm carries a beam source (5) and a counterweight (6). The structure includes a coupling means (2a) by means of which the arm can be coupled to a frame (16) of an examination table (14) comprising a table top which can be moved in two mutually perpendicular directions. When the coupling means is engaged, the tower structure and the examination table form a unit, with the image receptor located in a plane parallel with the table top (19) and slightly spaced therefrom. The cassette holder can be displaced linearly in the longitudinal direction of the table, to enable photographs to be taken with an angled beam path. The coupling means (20) can be released, whereafter the tower structure and swing arm can be swung to different positions, without obstruction from the table, in which different kinds of X-ray pictures can be taken. |
