An orthosis compression / medical containment leg shaped sock, medium or a pantis parde, comprising the brace (10): - a distal portion moulder (14) elastic adapted to cover the ankle and extending 5 to the partedelantera the start of the calf at the level of the junction between the Achilles tendon and muscle lapantorrilla, performing this distal part by knitting a yarn of knitted fabric and a weft thread being picked size and nature the threads of the knitted fabric and mesh and laestructura mesh to exercise in circumferential direction after the orthosis has been put InPlace mate on the member an elastic tension force appropriate to produce a delmiembro compression at a level desired therapeutic pressure and - a proximal holding portion (16) extending the compressive distal portion and adjoining this, of maneraque wrap on its periphery a calf region between the level (B1) point uniónentre Achilles tendon and muscle calf and level (D) situated below the tuberosidadtibial being this containment proximal portion a deformable tubular portion knitted in continuity with the compressor partedistal elastic, this orthosis characterized in that the proximal holding portion being: - is essentially nonelastic, and - is performed by knitting a weft yarn and a thread knitting, comprising one dedichos weft or knitting yarn of a thermoformable thread.Una ortesis de compresión/contención médica del miembro inferior en forma de calcetín, de media o de un parde pantis, comprendiendo esta ortesis (10): - una parte distal compresora (14) elástica adaptada para cubrir el tobillo y que se extiende 5 hasta la partedelantera del inicio de la pantorrilla al nivel del punto de unión entre el tendón de Aquiles y los músculos de lapantorrilla, realizándose esta parte distal mediante tricotado de un hilo de tejido de punto y un hilo de trama,siendo escogidas las dimensiones y la naturaleza de los hilos de tejido de punto y de la malla así como laestructura de malla para que ejerzan en direcció
