Patent ID: 8343170
Filing Date: 2013-01-01
Classification: A61B

Abstract:
1. An apparatus used to remove a foreign object comprising: an endoscope; an expandable toroidal balloon pre-rolled and only attached to a distal end of said endoscope's external surface and is not attached to any other point of said endoscope, said toroidal balloon unrolled over a length of said endoscope such that said toroidal balloon's surface is displaced along longitudinal length and an external surface of said endoscope and such that said toroidal balloon is disposed external to said endoscope, said expandable toroidal balloon comprising: said expandable toroidal balloon draws a foreign object via an inversion of said internal balloon surface and external balloon surface, with said inversion safely guiding removal of said foreign object without sliding of said external balloon surface against any contacted biological wall, but by allowing low friction extraction by sliding of said internal balloon surface of said toroidal balloon.