Loose Seeds
Cesium-131 seeds: the titanium cased seed contains a gold wire for visualization and affords greater flexibility of dose placement in situ, compared to stranded seed products.
Seed Configurations
Good for Prostate and Surgical applications
Design
- Gold radiopaque marker
- Biocompatible Titanium casing
- 100% assay ensures accurate activity level upon implant
Shipment
Loose seeds are shipped in glass vials contained within a lead pig and can be shipped in quantities of 1 to 100 seeds per vial at the specific activity requested by the customer.
Perspective Therapeutics Difference
- Expert Sales and Support teams ensuring real-time ordering and delivery for procedures throughout the body.
- Committed to offering interactive training programs throughout the US teaching the leading techniques and the newest tools.
- Empowering patients to make their own treatment decisions based on decades of data.
Your Isotope Choice Makes a Difference
Not all brachytherapy radioisotopes are the same. Compared to alternative brachytherapy seeds, Cesium-131 offers the highest energy and shortest half-life.
| Isotope | Introduced | Half life | Kev | Delivery rate | Detectable in the body |
|---|---|---|---|---|---|
| Iodine-125 | 1965 | 60 Day | 20.8 | 204 Days for 90% Dose | 600 Days |
| Palladium-103 | 1987 | 17 Day | 28.5 | 58 Days for 90% Dose | 170 Days |
| Cesium-131 | 2004 | 9.7 Day | 30.4 | 33 Days for 90% Dose | 97 Days |
References
United States Brief Statement
Cesium-131 brachytherapy seeds are indicated for the treatment of malignant disease(e.g., head and neck, eye, brain, breast, prostate, etc.) and may be used in surface, interstitial, and intra cavitary applications for tumors with known radio sensitivity. The seeds may be used as a primary treatment or in conjunction with other treatment modalities, such as external beam radiation therapy, chemotherapy or as treatment for residual disease after excision of primary tumors. Contraindications: As with other brachytherapy sources, treatment of tumors in generally poor condition (e.g. ulcerated) is not recommended with Cesium-131 brachytherapy seeds due to the potential for source migration. Prior to use, please reference the Cesium-131 Instructions for more information on indications, contraindications, warnings, all precautions, and adverse events.
Caution: Federal law restricts this device to sale by or on the order of a physician.