Patent ID: 11857803
Assignee: ALPHA TAU MEDICAL LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 28:
29. An interstitial source, comprising:
a base suitable for implanting in a tumor; and
alpha emitting atoms attached to the base, with a concentration of at least 6 Ci per centimeter length,
wherein the alpha emitting atoms are attached to the base, with a desorption probability upon radioactive decay of not more than 30%, and
wherein the interstitial source additionally emits beta radiation, and wherein a ratio between an asymptotic dose of the beta radiation at a distance of 2 millimeters from the interstitial source, to a radon release rate from the interstitial source, is greater than 15 Gy/(microcurie/cm).