Intended Use Used in cancer brachytherapy for prostate, brain, lung, head and neck, pancreatic, liver, gynecologic, renal, adrenal, and orbital tumors. Effective for treating locally advanced tumors, palliative care, and ensuring functional preservation in vital organ tumors
Grade: 1. Non-carrier added radionuclide; 2. GMP product; 3. Tested for sterility and bacterial endotoxins
Specifications: Materials: High-purity ¹²⁵I, titanium tube, and silver rods Appearance: Pyramid-shaped, smooth burrs under a microscope Half-life period: 59.4 days Radiochemical purity, %: ≥ 99.9 Specific activity, Ci/mg: > 17.0 Radioactive concentration, mCi/ml: 0.3 — 0.8 High-purity radionuclide (>99.95% ¹²⁵I, <0.005% ¹²⁶I);
Quality Control Each seed tested for sealing by boiling immersion, activity measured by CRC-15 radioactive meter. High-precision quality testing ensures activity accuracy, with standard deviation control within ± 5%
Safety and Storage Stored in a container to screen out rays; medical staff should use appropriate protective gear. Patients discharged need no special protection, maintaining a 1-meter distance for six months