Patent ID: 11969485
Assignee: ALPHA TAU MEDICAL LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 23:
24. A brachytherapy device, comprising:
a seed base adapted for being at least partially introduced into a body of a subject;
a first coating layer on the seed base, configured to prevent passage of Radium-224 or Radium-223 therethrough;
particles of a Radium-224 or Radium-223 radionuclide placed on the first coating layer; and
a second coating layer on the particles of the Radium-224 or Radium-223 radionuclide, configured to allow diffusion of at least 0.1% of the particles of the Radium-224 or Radium-223 radionuclide.