| 摘要 |
A one-piece hemostasis valve (24) located within a longitudinally extended housing (14), with the valve (24) comprising an extended sealing neck (36) having a passageway (40) therethrough, communicating with a sealing chamber (48) having opposing sealing exit lips (54, 56) and preferably support shoulders (50) on the outside of the valve (24) adjacent to the sealing neck (36) to provide support for the valve (24). The passageway (40) of the extended sealing neck (36) contains narrowed and broadened portions (42, 44) to prevent blood loss when receiving a guidewire and catheter inserted through the passageway (40) of the sealing neck (36).
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