Echogenic strands and spacers therein

Surgery – Radioactive substance applied to body for therapy – Radioactive substance placed within body

Reexamination Certificate

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C600S008000

Reexamination Certificate

active

07874976

ABSTRACT:
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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