Apparatus for creating an anatomic space in tissue in a body including an introducer device having a tubular member with a bore extending therethrough. A tunneling shaft assembly is slidably mounted in the bore of the introducer device. The tunneling shaft assembly includes a tunneling shaft having proximal...http://www.google.fr/patents/US7695487?utm_source=gb-gplus-shareBrevet US7695487 - Balloon dissection apparatus
