Female element of a fluid connection device and fluid connection device comprising such an element

A female element of a fluidic connection device, comprising:

• an end piece with:
• a fastening head arranged on a side of a proximal opening in which a tubular connector provided with at least one collar is intended to engage;
• and
• a fastening means arranged on the a side of a distal opening, opposite the proximal opening, configured to secure the end piece to an orifice of a piece of equipment;
• and
• a recess arranged on the side of the distal opening and housing at least part of a flexible ring;
• and
• the flexible ring comprising a peripheral portion having an inner peripheral surface and an outer peripheral surface, the peripheral portion being fixedly retained in the recess of the end piece by first snap-fitting means provided on the outer peripheral surface, the flexible ring also comprising second snap-fitting means, distinct from the first snap-fitting means, comprising a plurality of ribs oriented toward the inner peripheral surface, the ribs being intended to engage behind the collar of the tubular connector when the latter is engaged in the end piece.