Patent ID: 6179855
Filing Date: 2001-01-30
Classification: A61B,A61M

Abstract:
A device for protecting the tissues of a pathway of the human body during explorations performed with diagnostic and/or operating instruments, comprising a sheet made of plastics which is rolled up so as to form a tuboid which, when inserted in said pathway, increases its diameter from an initial configuration to an expanded configuration by elongation and/or unrolling as a consequence of the insertion of one of said instruments therein, said sheet having a pair of longitudinal sides and said sheet being rolled up such that in said initial configuration one of said longitudinal sides being arranged internally of said rolled up sheet and said sheet wrapping over said one of said longitudinal sides and another of said longitudinal sides being arranged externally of said rolled up sheet, and said rolled up sheet having an initial diameter when in said initial configuration, and said rolled up sheet having an expanded diameter larger than said initial diameter when in said expanded configuration.