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Intravenous catheter fitting with protective end seal

  • US 5,041,097 A
  • Filed: 02/26/1990
  • Issued: 08/20/1991
  • Est. Priority Date: 02/26/1990
  • Status: Expired due to Term
First Claim
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1. An intravenous catheter assembly for fluid injection or withdrawal comprisinga tubular fluid handling fitting having a fluid passageway therethrough with a tubular front extension sized for insertion into a vein and an opening at the rear end for connection to fluid injection or withdrawal means, anda resilient flexible membrane seal on said fitting effectively covering said rear end opening,said seal being sufficiently elastic to allow penetration thereof by a needle when inserted into said opening, and resuming its initial position after withdrawal of the needle to substantially close the penetration hole to prevent appreciable leakage of fluid from said rear end opening, and further includinga connector connected to fluid injection or withdrawal means and fitted into said rear end opening and through said membrane opening, said membrane opening being stretched to surround said connector and contractible to seal against blood leakage when said connected is removed.

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