Gastrostomy feeding port with one-way valve

A - Human Necessities – 61 – M

Patent

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Details

A61M 39/24 (2006.01) A61J 15/00 (2006.01) A61M 25/00 (2006.01) A61M 31/00 (2006.01)

Patent

CA 2184275

A gastrostomy feeding port (100) is dis- closed which includes a housing (20) and a re- silient valve member (10). Housing (20) de- fines an inner passageway (29) which provides fluid communication into a long term indwelling catheter and includes a rigid compression collar portion (21) which defines a valve member re- ceiving cavity (22) within the inner passageway. Valve member (10) has a diaphragm portion (11) which has an "S" shaped slit (16) therethrough, and an outer peripheral edge which generally con- forms in shape to the valve member receiving cavity but is larger than the cavity when uncom- pressed, and an outer wall portion (12) which ex- tends away from the outer peripheral edge of di- aphragm portion (11). Valve member (10) com- pressively fits within receiving cavity (22) by ad- vancing outer wall portion (12) into cavity (22) to thereby cause the outer peripheral edge to be compressed to fit within cavity (22), with com- pression collar (21) pressing inwardly against the peripheral edge of a diagphragm portion (11) to bias slit (16) toward a normally closed position.

La présente invention concerne une embouchure d'alimentation gastrostomique (100) comprenant un logement (20) et une vanne résiliente (10). Le logement (20) définit un passage interne (29) qui assure le transfert du fluide dans une sonde à demeure et comprend une partie rigide (21), à savoir le collier de compression, qui forme à l'intérieur du passage une cavité (22) pour recevoir la vanne. La vanne (10) a une partie diaphragme (11), laquelle a une fente (16) taillée en "S" et une bordure périphérique extérieure d'une forme généralement adaptée à la cavité prévue pour la vanne mais de taille plus grande lorsqu'elle n'est pas comprimée, et une partie paroi extérieure (12), qui part de la bordure périphérique extérieure de la partie diaphragme (11). L'élément de vanne (10) s'adapte par compression dans la cavité (22) prévue à cet effet, la partie paroi extérieure (12) étant ramenée de telle sorte que la bordure périphérique extérieure peut être comprimée dans ladite cavité (22). Le collier de compression (21) exerce une pression ver l'intérieur, contre la bordure périphérique de la partie diaphragme (11), ce qui provoque l'inclinaison de la fente (16) dans sa position de fermeture normale.

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