1. A mechanical expander, which may be introduced into the nasal cavity through the nostrils of the user to facilitate the passage of air, comprising a forked element (3) with a bridge (5) adapted to, when applying the dilator to enter into contact with the front surface of the nasal septum, shoulders (4) extending in the longitudinal direction of said jumper and introduced into said nasal cavity, and the corresponding elastic elements (2) extending in the transverse direction, as consoles, from the free ends of said ple whose, wherein said elastic members have a generally arcuate shape and are configured to come into contact with the corresponding area of the nasal cavity and expand it wherein said elastic expanding elements (2) support the air channel during breathing characterized in that said elastic expanding elements (2) include a weakened portion secheniem.2. A mechanical expander according to claim 1, characterized in that said portion with reduced cross section is situated near the connection point with the corresponding plechom.3. A mechanical expander according to claim 1 or 2, characterized in that said weakened section formed recesses on the lower surface portion corresponding spreading element (2) .4. A mechanical expander according to claim 1 or 2, characterized in that the respective expanding member (2) comprises a substantially transverse portion (2a) connected to the respective arm (4) plugs, wherein said portion is laterally from said shoulder, and It includes an arcuate portion (2b) for a good contact with the side wall naso1. Механический расширитель, который может быть введен в носовые полости через ноздри пользователя для облегчения прохождения воздуха, включающий вилкообразный элемент (3) с перемычкой (5), выполненной с возможностью, при применении расширителя, входить в контакт с фронтальной поверхностью носовой перегородки, плечи (4), идущие в продольном направлении от упомянутой перемычки и вводимые в упомянутые носовые полости, и соотв
