A suspension device for balancing a weight, especially a suspension device allowing a patient or a limb of a patient to be at least partially supported (110) in a predetermined direction, comprises a frame (101), a direction guide for the supportive movement, a lever (50) for pivotal connection between the direction guide and the frame (101) around a first axis (21) and at least one spring assembly (80) connecting the lever (50) with the frame (101). The lever (50) comprises a second pivotal axis (31) in a distance from the connection between the first pivotal axis (21) and the attachment (41) of the direction guide, wherein the at least one spring assembly (80) is pivotally attached between that second pivotal axis (31) and a fourth pivotal axis (61) connected with the frame (101, 205).