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Cell culture bioreactor

  • US 5,443,985 A
  • Filed: 07/22/1993
  • Issued: 08/22/1995
  • Est. Priority Date: 07/22/1993
  • Status: Expired due to Fees
First Claim
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1. A bioreactor for cultivating living cells in a liquid culture medium comprising:

  • a stationary vessel enclosing the cells and liquid culture medium, said vessel including oppositely spaced walls, said walls being inclined at an angle from the vertical so as to form an upper and a lower wall, said walls being tapered at their lower ends to form an apex; and

    means for introducing a circulating gas at the apex such that the liquid culture medium and the cells are lifted with the gas upwardly along the upper wall, the gas disengages from the liquid culture medium at the upper wall, and the liquid culture medium and the cells fall downwardly along the lower wall.

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