Patent ID: 6110127
Filing Date: 2000-08-29
Classification: A61B,A61M

Abstract:
A medical instrument for use in combination with an endoscope, comprising:an elongated insertion section to be inserted into a body through an instrument channel of an endoscope, said insertion section having a sheath comprising an inner tube and an outer tube capable of moving back and forth in an axial direction with respect to the inner tube;an operation section connected to a proximal end of the insertion section, connected to a proximal end of said inner tube, and having a suction device for generating a suction force; anda sampling unit connected to a distal end of the insertion section and adapted to be driven by operating the operation section, for sampling a part of a living tissue present in the body, said sampling unit comprising a sample receiving chamber provided on a distal portion of said inner tube and having a single opening, through which a living tissue is to be drawn by the suction force applied from said inner tube, and a cutting unit for cutting a part of the living tissue drawn into said sample receiving chamber as said inner tube and said outer tube are moved relative to each other in the axial direction.