A vascular clip includes a peripheral body defining a plane, and tines extending from the body transversely with respect to the plane, the tines biased towards a planar configuration. The clip includes expandable elements disposed along its periphery that are biased to expand from compressed to expanded...http://www.google.es/patents/US6719777?utm_source=gb-gplus-sharePatente US6719777 - Closure device and methods for making and using them
Closure device and methods for making and using them