Ostomy coupling

A - Human Necessities – 61 – F

Patent

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Details

A61F 5/445 (2006.01) A61F 5/448 (2006.01)

Patent

CA 2328392

An ostomy coupling is described of the type comprising a locking member in the form of a resilient split ring, for fastening two ostomy coupling members together. One feature of the invention is that one of the coupling members comprises a tapered seal seat surface for cooperating with a deflectable seal wing carried by the other member. The tapered seal seat has a smoothly curved taper, to enable a relatively large seal area to be provided within a low coupling profile height. Another feature of one form of the invention is that the split ring has an inclined outer surface to form a smooth profile with the coupling member on which it is carried. Another feature of another form of the invention is that each limb of the split ring is bifurcated to receive a radially projecting guide of the coupling member, on which the split ring is mounted. The split ring thus extends above and below the guide, removing the need for a mounting channel on the coupling member itself, and enabling the height of the coupling to be further reduced.

On décrit un raccord pour stomie qui comprend un élément de verrouillage sous forme d'un anneau fendu souple pour attacher ensemble deux éléments de raccord pour stomie. L'invention est caractérisée en ce qu'un des éléments de raccord comprend une surface de siège d'étanchéité conique pour coopérer avec une aile d'étanchéité déformable portée par l'autre élément. Le siège d'étanchéité conique comporte un bicoin à face concave pour assurer une zone d'étanchéité relativement importante selon une hauteur de profil de raccord réduite. Une autre caractéristique d'un aspect de l'invention est le fait que l'anneau fendu comporte une surface externe inclinée pour former un profil lisse avec l'élément de raccord qui le porte. De plus, chaque limbe de l'anneau fendu est bifurquée de manière à recevoir un guide à projection radiale de l'élément de raccord sur lequel est fixé l'anneau fendu. L'anneau fendu s'étend donc au-dessus et au-dessous du guide, éliminant le besoin de fixer un canal sur l'élément de raccord et permettant de réduire davantage la hauteur du raccord.

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