Medical valve with fluid escape space

Details Medical valve with fluid escape space Medical valve with fluid escape space

A - Human Necessities

61

M

A61M 39/26 (2006.01)

Patent

CA 2240521

A medical valve has a body which includes a wall structure defining an internal cavity hav-ing an inside and an outside. The body also has a proximal end and a distal end. The proximal end has an opening sufficiently large to receive a tip of a delivery end of a medical implement which transfers fluid through the deliv-ery end. The body has a fluid escape space in its wall struc-ture. The valve also has a spike with a tip and at least one hole located at or near the tip. The spike has a passageway in com-munication with the hole that al-lows fluid to flow through the spike. A resilient seal in the cav-ity surrounds the spike. This seal is adapted to be moved into a compressed state upon insertion of the tip of the medical imple-ment into the opening. The seal is sufficiently resilient to return to a decompressed state upon re-moval of the tip of the medical implement from the opening. The fluid escape space is in fluid communication with the outside of the cavity when the seal is in its compressed state.

Une valve médicale a un corps comprenant une structure de paroi délimitant une cavité interne ayant un intérieur et un extérieur. Le corps a également une extrémité proximale et une extrémité distale. L'extrémité proximale a une ouverture suffisamment importante pour recevoir le bout de l'extrémité de sortie d'un instrument médical qui transfère le fluide par l'extrémité de sortie. Le corps a un espace permettant à du fluide de s'échapper, dans sa structure de paroi. La valve a également une pointe avec un bout et au moins un trou situé à ou près de ce bout. La pointe a un passage en communication avec le trou qui permet au fluide de traverser la pointe. Un joint d'étanchéité élastique dans la capité entoure la pointe. Ce joint d'étanchéité est comprimé lors de l'insertion du bout de l'instrument médical dans l'ouverture. Le joint d'étanchéité est suffisamment élastique pour retourner vers un état de décompression lorsque le bout de l'instrument médical est éloigné de l'ouverture. L'espace permettant à du fluide de s'échapper est en communication avec l'extérieur de la cavité quand le joint d'étanchéité est à l'état comprimé.

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