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Apparatus and method for producing sterile slush and heated sterile liquid

  • US 4,934,152 A
  • Filed: 07/10/1989
  • Issued: 06/19/1990
  • Est. Priority Date: 07/10/1989
  • Status: Expired due to Term
First Claim
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1. A surgical slush system for producing a sterile, semi-frozen slush from a sterile liquid, comprising:

  • a slush generating unit includinga cabinet,a basin at the top of said cabinet,refrigeration means inside said cabinet with said basin directly contacting said refrigeration means, said refrigeration means for cooling said basin to a temperature below the freezing point of said sterile liquid, said refrigeration means including an evaporator mounted to the underside of said basin in heat transfer relationship therewith, and heating means for heating said basin to a temperature above the freezing point of said sterile liquid, said heating means including an electrical heating element mounted to the underside of said basin in heat transfer relationship therewith; and

    a sterilized drape, said drape being impervious to the sterile liquid and sized to cover and directly contact said basin, said drape also being sufficiently flexible to conform substantially to the interior shape of said basin whereby said sterile liquid is directly contained by said drape within said basin.

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