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One piece low drag septum

  • US 7,670,317 B2
  • Filed: 10/25/2005
  • Issued: 03/02/2010
  • Est. Priority Date: 10/25/2005
  • Status: Active Grant
First Claim
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1. A septum assembly for providing a seal about a needle and for sealing closed when the needle is withdrawn, the septum assembly comprising:

  • a septum housing;

    a one-piece septum inserted within the septum housing, the septum having a longitudinal axis, a distal portion, a distal outlet, a proximal portion, a proximal outlet, and a cavity portion disposed between the distal portion and the proximal portion wherein the proximal portion of the one-piece septum comprises at least two flared regions extending outwardly away from an outer diameter of the proximal portion of the septum such that when the septum is placed within the housing the housing exerts a compressive force on the flared regions sealing the proximal outlet; and

    wherein the distal end of the septum includes a slit substantially sealing the distal outlet.

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