Cryotreatment devices and methods of ablating tissue within the body are disclosed. A cryotreatment device in accordance with an exemplary embodiment of the present invention includes an elongated member having one or more needle-like ablation tips configured to induce necrosis at a target site within...http://www.google.de/patents/US8048066?utm_source=gb-gplus-sharePatent US8048066 - Cryotreatment device and method of forming conduction blocks