The invention relates to a dilatable balloon implant, which is configured with a limited permeability to liquid. The invention also relates to a vertebroplasty device comprising a balloon implant with a limited permeability to liquid, which is connected to the distal end of an introduction sleeve in...http://www.google.fr/patents/US20050234498?utm_source=gb-gplus-shareBrevet US20050234498 - Dilatable balloon implant
