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Teletherapy device

  • US 3,073,960 A
  • Filed: 07/14/1958
  • Issued: 01/15/1963
  • Est. Priority Date: 07/14/1958
  • Status: Expired due to Term
First Claim
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1. A RADIOACTIVE SOURCE HOLDER COMPRISING A ROTATABLE SHIELDED MEANS HAVING A RADIOACTIVE-SOURCE-ACCOMMODATING CAVITY FOR CONTAINING A SOURCE CAPSULE AND A RADIALLYEXTENDING RADIATION EMERGENCE APERTURE FOR REGISTRY WITH SAID CAVITY, AND A PLURALITY OF VARIOUS SIZED AND SHAPED COLLIMATOR MEMBERS ENCIRCLING SAID SHIELDED MEANS AND ROTATABLE THEREABOUT FOR SELECTIVE RADIALLY-ALIGNED REGISTRY WITH THE RADIALLY-OUTERMOST END OF SAID EMERGENCE APERTURE.

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