Patent ID: 6027518
Filing Date: 2000-02-22
Classification: A61B,A61M

Abstract:
An instrument for seizing walls of a body cavity comprising:a first portion and a second portion, said second portion being insertable into said cavity and to be reversibly deformable from a first to a second configuration while inside said cavity, said first portion being operative to reversibly deform said second portion from said first to said second configuration, said second portion when in said second configuration being operative to seize said walls of said cavity; wherein said first portion of said seizing instrument comprises a first end of a pair of inner and outer tubes, said inner tube being disposed inside said outer tube and said outer tube being adapted to slide along said inner tube, and said second portion of said instrument comprises a second end of said pair of said inner and said outer tubes, said second end of said outer tube having a plurality of axial slits which define a plurality of axial deformable strips, said strips being deformed radially outwards when said inner tube is slid along said outer tube towards said second end of said outer tube; wherein said plurality of strips are shaped to facilitate insertion into said body cavity; anda safety sleeve which covers at least a portion of said strips in said first configuration and which is retractable to expose said strips in said second configuration.