| 摘要 |
Apparatus for investigating a part of a body intermediate the extremities thereof by means of X- or gamma -radiation is disclosed. The body part is surrounded by a liquid medium; the liquid medium being retained in an enclosure having a tubular inner wall formed of flexible material, and the body part is located within the inner wall. The liquid medium can be pressurized to cause the flexible inner wall to fit intimately the periphery of the body part.
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