Importance

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Abstract

An attachment for a parenteral device wherein the parenteral device comprises a body defining space and a duct having an opening at its outer end, the duct in use is intended to convey parenteral fluid to or from the space, said attachment comprising a housing adapted to be removably engageable with the body and to be supported by the body, the housing having an engagement portion (13) having a flow path (29) which is to be in communication with the opening and the duct when the engagement portion is in said sealing engagement with the body the housing further comprising an elongate portion (11) slidably supporting a hollow needle (15) wherein the needle has a free end (17) which is open and a handle (20) mounted to the other end, the other end of the needle being closed, the needle provided with a second opening (19) formed through the wall of the needle intermediate of the ends of the needle, the needle being slidably accommodated within the elongate housing to be movable from or to a stored position at which the free end is sealingly accommodated within the housing, to or from an extended position at which the free end extends beyond the housing, the needle being further movable to a retracted position at which the free end is located in a non-sealing manner within the housing, the housing having a sub-chamber which is open to the flow path whereby the second opening is located within the sub-chamber on the needle being moved to the extended position.

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First Claim