| 摘要 |
An attachment for a parenteral device, the device comprising a body and an outlet for conveying fluid, the attachment comprises a housing (12) adapted for engagement with the body, an elongate hollow needle (30), having an outer end (32) and an inner end (34), with an aperture at both ends, a carrier (40) for carrying the needle, the carrier being movable relative to the housing from a first, position, at which the outer end is received within the housing, to a second position at which the outer end extends from the housing and the carrier being movable from second position to first position, and the housing having a flow path extending, when the carrier is in second position, between the outlet and the carrier, wherein the needle is open at the inner end; whereby when the carrier is positioned in second position the inner end is brought into communication with the flow path.
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