Apparatus for exposing and free holding an examination or surgical area

Apparatus for exposing and free holding an examination or surgical area with a) a support structure (20) for inspection instruments and / or surgical instruments and / or auxiliary instruments which at least one locking latch (22, covers 24) having a work area (A) partially defined; b) a holding means (30, 32) to which a research tool and / or a surgical instrument and / or an auxiliary tool in the working area (A) of the support structure (20) can be fastened and which releasably (with the support structure 20) is connectable, in which c) the holding means (30, 32) and the at least one locking latch (22, 24) are arranged in such a manner and co-operate in such a way that the holding device (30, 32) along the at least one stirrup (22, 24) displaceable and on which at least one levers (22, 24) can be locked in a use position; d) the at least one locking latch (22, 24) is arranged such that it limits the operating range (A); e) the holding device (30, 32) clamping means (134, 136, 138, 142, 144) by means of which it can be clamped on the at least one locking latch (22, 24), characterized, in that f) the clamping means (134, 136, 138, 142, 144) comprises two clamping elements (134, 136) which are arranged such that the at least one locking latch (22, can surround regions, 24) at least and of which a first clamping element (136) biased toward said second clamping member (134) is maintained.