| 摘要 |
A valving mechanism and method for use of such mechanism within a blood passageway of a blood access device. The valving mechanism includes a reciprocal plugging means which seals the blood passageway when the plugging means is in the closed position and which provides a blood channel for transfering blood therethrough only when said plugging means is reciprocated into its open valving mechanism position and means for reciprocating said plugging means between the closed and open valving mechanism positions.
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