A valve connector for medical lines

Details A valve connector for medical lines A valve connector for medical lines

A - Human Necessities

61

M

A61M 39/26 (2006.01)

Patent

CA 2581547

A valve connector for medical infusion lines including an external tubular body (1) with an inlet end (4) and an outlet end (24), an internal hollow spike (2) and an intermediate sealing member (3) including a head (35) with pre-slit (38) and an elastic hollow element (36) formed with fluid-tight members (47, 48) in contact with the hollow spike (2) and with an elastic thrust means, which tends to maintain the elastic head (35) in a condition of closing. The elastic thrust means comprises a base part (37) joined to the elastic hollow element (36) of the sealing member (3) through a generally transverse annular wall (45), which, during axial displacement of the elastic head (35) from the condition of closing to the condition of opening, bends within an annular chamber (50) defined between the base part (37) and a portion with conical surface (29) of the hollow spike (2).

Raccord de valve pour tubes de perfusion médicale comportant un corps tubulaire extérieur (1) doté d'une extrémité d'entrée (4) et d'une extrémité de sortie (24), une pointe creuse interne (2) et un organe d'étanchéité intermédiaire (3) comportant une tête (35) préalablement pourvue de fentes (38) et un élément élastique creux (36) composé d'éléments étanches (47, 48) en contact avec la pointe creuse (2) et avec un organe de poussée élastique, qui tend à maintenir la tête élastique (35) en position de fermeture. L'organe de poussée élastique comprend une pièce de base (37) assemblée à l'élément élastique creux (36) de l'organe d'étanchéité (3) par une paroi annulaire généralement transverse (45), laquelle, durant le déplacement axial de la tête élastique (35) de la position de fermeture à la position d'ouverture, s'incurve à l'intérieur de la chambre annulaire (50) définie entre la pièce de base (37) et une partie dotée d'une surface conique (29) de la pointe creuse.

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