Patent ID: 7885379
Filing Date: 2011-02-08
Classification: A61B

Abstract:
1. A positioning device for relative positioning of a radiation source and an object holder of a mammography device, the positioning device comprising: a device support section that accommodates the radiation source, an object support section that accommodates the object holder, the object support section being connectable and/or connected to the mammography device by a connecting element, wherein the device support section is mounted such as to be able to rotate relative to the connecting element and to the object support section, wherein the device support section includes a device arm, the device arm comprising: wherein the object support section includes a second annular body forming a cover section covering the first annular body, the first annular body and the second annular body being arranged congruent so that the circumferential surfaces of the first annular body and the second annular body are flush with each other, independent of the rotational position of the device support section with respect to the object support section.