Patent ID: 6077274
Filing Date: 2000-06-20
Classification: A61B

Abstract:
A basket-type grasping tool adapted for use in combination with an endoscope, wherein:a basket section formed by at least three elastic wires bundled at both of front and rear ends thereof being extractable from and retractable into a tip end of a sheath so that said basket section is expanded into a basket-like shape by the elasticity of said basket section when said basket section is extracted from said tip end of said sheath, and contracted when said basket section is retracted into said tip end of said sheath, said tip end of said sheath having a center axis, and said basket section having a center axis which is an extension of said center axis of said tip end;at least first axially corresponding portions of said elastic wires being bent about said center axis of said basket section in the same direction; andguide paths through which said elastic wires respectively pass being formed on an inner face of a tip-end mouth of said sheath.