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Vacuum mixing/bone cement cartridge and kit

  • US 5,100,241 A
  • Filed: 09/21/1990
  • Issued: 03/31/1992
  • Est. Priority Date: 01/13/1989
  • Status: Expired due to Term
First Claim
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1. A two-component bone cement mixing system comprising:

  • (A) a cartridge mixer means, having an interior volume containing a first predetermined quantity of a free-flowing, powdery, solid bone cement component under vacuum pressure, for mixing said first predetermined quantity of a solid bone cement component with a second predetermined quantity of a liquid bone cement component in the substantial absence of air to form a third predetermined quantity of a fluid two-component bone cement, wherein the interior volume of said cartridge mixer means, measured in cubic centimeters, is represented by Vcm, said first predetermined quantity of a free-flowing, powdery solid bone cement component has a volume, measured in cubic centimeters, represented by Vbc and Vcm/Vbc is about 1.5 to 3.5;

    (B) container means, containing said second predetermined quantity of a liquid bone cement component, for holding a liquid bone cement component;

    (C) fluid transfer means, operably connectable to said cartridge mixer means and said container means, for fluidically connecting said container means and said cartridge mixer means to transfer said second predetermined quantity of a liquid bone cement component from said container means to said cartridge mixer means;

    (D) plug means, receivable within said container means, for automatically hermetically sealing said fluid transfer means against passage of a material therethrough upon completion of the transfer of said second predetermined quantity of a liquid bone cement component from said container means to said cartridge mixer means therethrough.

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