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Syringe-to-syringe mixing systems and related apparatus and methods

  • US 9,220,577 B2
  • Filed: 01/15/2013
  • Issued: 12/29/2015
  • Est. Priority Date: 02/09/2007
  • Status: Active Grant
First Claim
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1. A syringe-to-syringe mixing system comprising:

  • a first syringe barrel comprised of;

    a hollow body including a continuous cylindrical wall defining an internal chamber for containing a first component, the hollow body having a proximal end and a distal dispensing end;

    only a single orifice at the distal dispensing end of the hollow body through which the first component contained in the internal chamber can be dispensed; and

    a rupturable membrane disposed at the distal dispensing end of the hollow body and which caps and seals off the single orifice until irreversible rupture of the rupturable membrane by application of sufficient pressure on the first component contained in the internal chamber so as to irreversibly rupture the rupturable membrane, wherein the rupturable membrane has a cross-sectional thickness that facilitates rupture of the rupturable membrane during use;

    a first plunger slidably disposed within the hollow body of the first syringe barrel for applying pressure to a first component within the internal chamber;

    a second syringe barrel having a distal dispensing end that is couplable to the distal dispensing end of the hollow body of the first syringe barrel; and

    a second plunger slidably disposed within the second syringe barrel for applying pressure to a second component within the second internal chamber of the second syringe barrel.

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