The invention relates to a device for maintaining a ladder (1) in a position of use to secure an intervention at height, the device comprising: - a receiving body (2) intended to be presented by an equipment at height ( 3) on which the ladder can be supported in a position of use; - an anchoring body (4) independent and complementary to the receiving body, the anchoring body being intended to be carried by the ladder and to be supported in a downward direction on the receiving body, characterized in that 'it has a containment frame (5) in a horizontal plane of the anchoring body relative to the receiving body.
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