Agitating – In vacuum chamber
Patent
1992-11-23
1996-06-18
Cooley, Charles E.
Agitating
In vacuum chamber
366130, 3661631, 366255, 206219, B01F 1306, B01F 1502
Patent
active
RE0352764
ABSTRACT:
A two-component bone cement mixing system comprises a cartridge mixer having an interior volume containing a first predetermined quantity of a solid bone cement component under vacuum pressure; an ampoule containing a second predetermined quantity of a liquid bone cement component; a fluid transfer element for fluidically connecting the cartridge mixer and the ampoule for transfer of the liquid bone cement component to the cartridge mixer; and a plug element, receivable within the ampoule, for automatically hermetically sealing the fluid transfer element against passage of a material therethrough upon completion of the transfer of the second predetermined quantity of the liquid bone cement component into the cartridge mixer. The two-component bone cement mixing system allows in vacuo mixing of liquid monomeric and solid polymeric bone cement components without air being incorporated into the mixture and insures the prevention of air passage into the cartridge mixer during and/or after monomer transfer.
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