1. Probe extraction calculations ureter, that being those with a tubular body suitable for access point ureter in which is positioned the calculation, inside said tubular body dimensions staying element extractor itself, essentially characterized in that said element extractor consists of a laminar body campaniforme whose pole a suction duct which acts as a propellant and puller bell-shaped body above, while transmitter diffusion means is associated having provided that the laminar body campaniforme is obtained in a material of high elasticity, such as silicone, to allow its deformation for accommodation in the housing tubular body during probe penetration and subsequent expansion in order to adopt the configuration campaniforme above, to adapt the calculation to extract. 2. Probe extraction calculation ureter according to claim 1, characterized in that the bell-shaped body is formed from a plurality of elastic lamellae associated with the mouth of the suction duct, able to adopt a determining positioning of a cylindrical tubular configuration inside the outer tubular body, and diaphragm-expand when leaving said tubular body to reach said bell configuration. 3. Probe ureteral stone extraction.
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