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Shielded container

  • US 4,084,097 A
  • Filed: 12/15/1976
  • Issued: 04/11/1978
  • Est. Priority Date: 12/15/1976
  • Status: Expired due to Term
First Claim
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1. A shielded container adapted to fit within the measuring well of a radioisotope calibrator comprising an inner open topped cylindrical body having a cylindrical sidewall and a bottom wall both of radioactive shielding material with areas of the cylindrical sidewall just above the bottom wall being nonshielding, an outer rotatable hollow cylindrical sleeve having its lower wall of radioactive shielding material and its upper wall of nonshielding material, a vial containing a radioactive solution housed within the inner cylindrical body and resting on the bottom wall, a radioactive shielding closure for the open topped inner cylindrical body, and positioning means whereby the shielding portion of said outer sleeve can be locked into a position adjacent the nonshielding areas of said inner cylindrical sidewall and then when the container is located in the measuring well of a radioisotope calibrator said outer sleeve will be in a position such that said unshielded upper wall of said sleeve is adjacent the nonshielding areas of said inner cylindrical sidewall.

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