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DELIVERY SYSTEM FOR INTENSITY MODULATED HIGH DOSE RATE BRACHYTHERAPY WITH INTERMEDIATE ENERGY BRACHYTHERAPY ISOTOPES

  • US 20190314643A1
  • Filed: 12/20/2017
  • Published: 10/17/2019
  • Est. Priority Date: 12/21/2016
  • Status: Active Grant
First Claim
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1. A delivery system for radiation shielded brachytherapy, the delivery system being adapted to receive an input of radionuclide from an afterloader, the delivery system comprising:

  • a drive assembly having a drive mechanism and connectors rotatable by the drive mechanism, each of the connectors having one of two or more shield assemblies detachably coupled thereto for rotation about a longitudinal axis of the respective shield assembly, each of the shield assemblies including a needle having a tubular body defining an outer surface and a bore longitudinally extending between opposite ends of the tubular body, the bore being adapted to receive therethrough the input of radionuclide for delivery to a target site, a radiation shielding material extending about a circumferential portion of the tubular body of the needle and disposed radially outwardly of the bore; and

    an interlocking system operatively mounted to the drive assembly, the interlocking system engaging a group of the two or more shield assemblies via their respective connectors, wherein the interlocking system transmits a rotational input received from the driving mechanism to the group of shield assemblies and synchronously rotates each of the shield assemblies of the group about its respective longitudinal axis.

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