Positioning-device module for releasable connection to a positioning device, positioning device and set

A positioning device module assembly configured for releasable connection to a positioning device, wherein the positioning device module assembly is configured to position and/or fix an intramedullary nail in a long or hollow bone, configured to fix an osteosynthesis plate to a long or hollow bone and/or configured to fix a prosthesis in a long or hollow bone, the positioning device module assembly comprising:

• a targeting device for receiving at least one interlocking device or an instrument for acting on the at least one interlocking device;
• a receiving section for receiving the targeting device;
• a section for connecting the positioning device module assembly to the positioning device;
• an adjusting device for receiving the targeting device or for acting thereon, wherein the targeting device is arranged in or at the adjusting device and is positionable relative thereto, and wherein the receiving section is configured for receiving the targeting device and the adjusting device;
• and
• a joint or a deformable section for rotating or twisting or moving or pivoting the positioning device module assembly, wherein the joint or the deformable section comprises at least one rotary axis.