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Ventilated cage for laboratory animal

  • US 5,865,144 A
  • Filed: 08/29/1997
  • Issued: 02/02/1999
  • Est. Priority Date: 08/29/1997
  • Status: Expired due to Fees
First Claim
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1. A ventilated cage system for laboratory animal care comprising:

  • a plurality of individual cages mounted in a rack,each cage having an integral body, a separate lid connected thereto, each lid having a bottom surface having a plurality of orifices formed therein, an inlet port being formed in each lid,each body having a perforated floor,each cage having a detachable waste tray connected beneath the perforated floor, wherein each cage is air tight,an outlet port formed in the waste tray,an air supply having a filter therein,the air supply introducing filtered air into the inlet port of the respective lid of each cage, the air flowing laminarly from the lid of each cage, through each cage, through the perforated floor of each cage, through the waste tray of each cage, through the outlet port of each waste tray and through the filter wherein fresh filtered air is maintained in each cage, waste air is removed from each cage and cage-to-cage contamination is prevented.

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