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Combination stopper-shield closure

  • US 5,699,923 A
  • Filed: 05/31/1996
  • Issued: 12/23/1997
  • Est. Priority Date: 05/06/1993
  • Status: Expired due to Fees
First Claim
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1. A closure for sealing an open end of a body fluid collection tube configured to be received in a needle holder comprised of a cylindrical wall having a needle disposed within the needle holder at a distal end, said closure comprising:

  • a shield having a wall and an outer skirt having a plurality of flexible tabs extending therefrom;

    a sealing element for sealing the open end of the tube having an upper flange that is received in said shield and includes a top surface, wherein said top surface of said sealing element in conjunction with said wall of said shield form a well having a central aperture; and

    a gas-barrier member bonded to said closure to improve vacuum retention within the tube and protect said well from contamination,wherein said closure is firmly retained in the needle holder during body fluid collection by interaction between said flexible tabs on said shield and the cylindrical wall of the needle holder.

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