A brachytherapy device includes a radiation source and a multi-cannula delivery system for implantation of the radiation source into a body tissue site. The radiation source may be, for example, a substantially straight round wire, a substantially straight flat wire, a detented wire, an embossed wire,...http://www.google.com.au/patents/US7041047?utm_source=gb-gplus-sharePatent US7041047 - Method and apparatus for the delivery of brachytherapy
