Protective device for the closure of ostomy or colostomy bags, wherein said ostomy or colostomy bags (1) incorporate a closing mechanism, and in turn said closure mechanism comprises at least two annular elements (2, 3) linked to the bag (1) and mutually concentric, inserted mutually and with angular relative displacement between them, and each of them having a projection (21, 31), each projection (21) of each annular element (2) being obtained superposed with the other protrusion (31) of the other annular element (3) in a closing arrangement of the closing mechanism, characterized in that it comprises a body (4) with an interior space (41) open towards the outside and enabled in its geometry and proportions to receive the insertion and total or partial insertion and tight fitting of said projections (21, 31) mutually superimposed and resulting in the closing arrangement of the closing mechanism, and carrying such an intro duction and insertion of a blockade of said closing mechanism in its closure arrangement of the ostomy or colostomy bag (1). (Machine-translation by Google Translate, not legally binding)1. Dispositivo protector del cierre de bolsas de ostomía o colostomía, en el que dichas bolsas (1) de ostomía o colostomía incorporan un mecanismo de cierre, y en que a su vez dicho mecanismo de cierre comprende al menos dos elementos anulares (2, 3) vinculados a la bolsa (1) y mutuamente concéntricos, insertados mutuamente y con desplazamiento relativo angular entre ellos, y presentando cada uno de ellos un saliente (21, 31), resultando cada saliente (21) de cada elemento anular (2) superpuesto con el otro saliente (31) del otro elemento anular (3) en una disposición de cerrado del mecanismo de cierre, caracterizado por el hecho de que comprende un cuerpo (4) con un espacio interior (41) abierto hacia el exterior y habilitado en su geometría y proporciones para recibir la introducción e inserción total o parcial y ajustada y ceñida de dichos salientes (21, 31) mu
