A hemostatic plug for sealing wounds in blood vessels comprising a tubular or spring-like body capable of buckling or collapsing upon application of a threshold axial force and having a fretted distal end. A collapsed portion of the plug lodges into the tissue tract and thus acts as a foothold allowing...http://www.google.es/patents/US6261309?utm_source=gb-gplus-sharePatente US6261309 - Collapsible hemostatic plug
