A bed (1) comprising, a base part, with a patient support base (10) arranged above the base part, and including a position configurable patient support (19), four telescopic elevator columns (5), mounted on said base part. The four elevator columns (5) are arranged as a first and a second pair of telescopic elevator columns (5). The bed (1) has two cross-beams (8) for supporting the patient support base (10). An operator housing (9) is mounted on at least one of said cross-beams (8). The operator housing (9) comprises means for configuring said position configurable patient support (19). The operation housing (9) and said patient support base (10) comprising mutually releasable connection means.