Universal piercing pin

Details Universal piercing pin Universal piercing pin

A - Human Necessities

61

M

128/80

A61M 5/00 (2006.01) A61M 5/162 (2006.01)

Patent

CA 1190108

UNIVERSAL PIERCING PIN Abstract of the Disclosure A universal piercing pin for vented and unvented I.V. administration sets has a hollow spike member with fluid passages spaced apart around the external surface of the spike member. In vented sets, the tip of the spike member and an entry port to a fluid passage are inserted sufficiently through the seal of a rigid solution container to allow fluid to pass out of the container through the spike member and air to pass into the container through the fluid passage. A hydrophobic filter, positioned in a fluid passage, prevents the passage of liquid but allows the passage of air into the container. In unvented sets, only a portion of the spike member is inserted through the seal of a flexible I.V. container which allows fluid to pass out of the flexible container through the spike member without allowing air to flow into the flexible container through the fluid passages.

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