Patent ID: 6969344
Filing Date: 2005-11-29
Classification: A61N

Abstract:
1. A brachytherapy apparatus, comprising: an assembled string of a plurality of implantation seeds including at least one first spacer, and at least one second spacer, the first spacer having two ends and cavities at each end, the cavities sized to partly receive and form a coupled connection with a seed, the second spacer having first and second ends, with a cavity formed in the first end extending from the first end towards the middle of the spacer, the cavity sized to form a coupled connection with an end of an implantation seed, said seed being partly received in said cavity, with portions of the seed not received in the cavity, the second end having a linking projection sized to be received in and form a coupled connection with the cavity of a first or second spacer, and a gripping structure is formed on the linking projection, the structure being sized and arranged to promote an increase in a gripping effect between the cavity portion of the first spacer component and the linking projection of the second spacer component.