The system in order to deal with the organization around the cavity which is the possibility of receiving the influence of organizational obstacle of vegetation and is excised is offered. This system, the proximal edge and the distal (2036) edge, includes the organizational fixed installation which includes the catheter itself component which possesses the internal tube cavity, and the open-ended surface element which is arranged in the distal (2036) edge vicinity, but here, the open-ended surface element, the case of expansion, organization around the organizational cavity which is excised is set size in order reappearance possibly to arrange with specified geometry and, and is constituted. Outside it is arranged after the expansion of the open-ended surface element in the organizational intracavitary section which is excised and outside the cavity which is excised the radiation device transports the radiation of the fixed dose to organization around the open-ended surface element.増殖性の組織障害の影響を受ける可能性のある切除された腔周辺の組織を処置するためのシステムが提供される。本システムは、近位端、遠位端、内部管腔、および遠位端近傍に配置された拡張可能な表面要素を有するカテーテル本体部材を含む組織固定装置を含むが、ここで、拡張可能な表面要素は、拡張の際に、切除された組織腔周辺の組織を再現可能に所定の幾何学的配置で配置するために、大きさを設定されかつ構成されている。切除された組織腔内部での拡張可能な表面要素の拡張の後、切除された腔の外側に配置された外部放射線装置は、拡張可能な表面要素周辺の組織に一定線量の放射線を輸送する。
