| 摘要 |
Echogenic strands and spacers are provided for use in brachytherapy. Methods of making the strands and spacers are also provided. An echogenic strand for use in brachytherapy includes an encapsulating material, a seed disposed within the encapsulating material, and a spacer disposed within the encapsulating material and arranged adjacent to the seed. The spacer has an external length and a chamber formed along the external length, the chamber being adapted to improve ultrasound visibility relative to the spacer.
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