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Apparatus and process for thawing temperature sensitive frozen materials

  • US 3,154,663 A
  • Filed: 01/30/1959
  • Issued: 10/27/1964
  • Est. Priority Date: 01/30/1959
  • Status: Expired due to Term
First Claim
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1. APPARATUS FOR THAWING BLOOD COMPRISING A CLOSED CONTAINER HAVING FROZEN BLOOD THEREIN, INSULATING MEANS FOR SEALING SAID CONTAINER TO PREVENT CONTAMINATION OF SAID BLOOD, A PERFORATED METAL DISK RECEIVED IN SAID CONTAINER AND PROPORTIONED FOR MOVEMENT WITHIN SAID CONTAINER, ELECTRICAL INSULATING MATERIAL PROVIDED ALONG THE LENGTH OF SAID CONTAINER, ELECTROMAGNETIC MEANS FOR INDUCING CURRENT FLOW IN SAID DISK TO PRODUCE HEATING THEREOF ACROSS THE AREA OF THE CONTAINER, SAID HEATING BEING SUFFICIENT TO THAW THE BLOOD IN CONTACT WITH SAID DISK, AND MEANS FOR BIASING SAID DISK INCREMENTALLY THROUGH SAID FROZEN BLOOD WHEREBY SAID BLOOD AS IT THAWS IS PASSED THROUGH SAID PERFORATIONS AND THE INTERFACE OF SAID DISK IS MAINTAINED IN ENGAGEMENT WITH THE EXPOSED PORTION OF SAID BLOOD.

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