Abstract: A flexible-manipulator guide member is provided in an inserted portion of a flexible manipulator including the elongated flexible inserted portion, the movable portion disposed at the distal end of the inserted portion, a drive portion disposed at the base end of the inserted portion, and the elongated driving-force transmitting member that transmits motive power of the drive portion to the movable portion, and is provided with a lumen through which the driving-force transmitting member passes in the longitudinal direction, wherein the lumen has a twisted shape about the longitudinal axis of the inserted portion.

Abstract: A flexible-manipulator guide member is provided in an inserted portion of a flexible manipulator including the elongated flexible inserted portion, the movable portion disposed at the distal end of the inserted portion, a drive portion disposed at the base end of the inserted portion, and the elongated driving-force transmitting member that transmits motive power of the drive portion to the movable portion, and is provided with a lumen through which the driving-force transmitting member passes in the longitudinal direction, wherein the lumen has a twisted shape about the longitudinal axis of the inserted portion.

Abstract: Provided is a guide tube including an elongated sheath into which an elongated treatment tool is inserted so as to be movable in a longitudinal direction and that is arranged so as to be parallel to an endoscope, wherein: the sheath has a first end having a projection port from which the treatment tool projects and a second end having an insertion port into which the treatment tool is inserted and is divided, in the longitudinal direction, into a first region including the first end and having flexibility and a second region including the second end; the second region has a high-rigidity portion having higher rigidity than a rigidity of the first region; and a lengths of the first region is not greater than a length of the second region.

Abstract: For bending a manipulator without excessive increase in a tensile force acting on a driving power transmitting member, a manipulator is provided with: an end effector; a driving unit; a guide member to which the end effector is attached at one end thereof and the driving unit is attached at the other end thereof; and a driving power transmitting members that transmit the driving power from the driving unit to the end effector, wherein the guide member includes a guide tube that has lumens, and an outer sheath that has a greater rigidity than the guide tube and that covers an outer circumference of the guide tube, and one end of the outer sheath is movable in a longitudinal direction with respect to the end effector or the driving unit.

Abstract: A medical manipulator includes: an elongated flexible portion configured to be inserted into a body; an end effector disposed on a distal end of the elongated flexible portion; a proximal portion coupled to a proximal end of the elongated flexible portion, the proximal portion being configured to generate power for actuating the end effector; at least two wires configured to transmit the power to the end effector; at least two sheaths configured to form a path of each of the wires within the elongated flexible portion; and a rotating mechanism configured such that either a distal end or a proximal end of each of the sheaths rotates relative to the elongated flexible portion about a longitudinal axis of the elongated flexible portion.

Abstract: A flexible-manipulator guide member is provided in an inserted portion of a flexible manipulator including the elongated flexible inserted portion, the movable portion disposed at the distal end of the inserted portion, a drive portion disposed at the base end of the inserted portion, and the elongated driving-force transmitting member that transmits motive power of the drive portion to the movable portion, and is provided with a lumen through which the driving-force transmitting member passes in the longitudinal direction, wherein the lumen has a twisted shape about the longitudinal axis of the inserted portion.

Abstract: A flexible-manipulator guide member is provided in an inserted portion of a flexible manipulator including the elongated flexible inserted portion, the movable portion disposed at the distal end of the inserted portion, a drive portion disposed at the base end of the inserted portion, and the elongated driving-force transmitting member that transmits motive power of the drive portion to the movable portion, and is provided with a lumen through which the driving-force transmitting member passes in the longitudinal direction, wherein the lumen has a twisted shape about the longitudinal axis of the inserted portion.

Abstract: A manipulator includes: an operating unit, and a bending assembly that is bent by operation of the operating unit, wherein: the bending assembly includes: a first link member having a first arc portion, a second link member having a second arc portion, an intermediate link member that includes a first intermediate arc portion and a second intermediate arc portion in opposition to the first intermediate arc portion, and is mounted between the first link member and the second link member.

Abstract: A medical device includes an insertion portion, and a driving mechanism coupled to the insertion portion, wherein the insertion portion includes a treatment portion configured to perform a treatment on a target portion, a joint portion capable of supporting the treatment portion and changing a direction of the treatment portion, a storage portion provided in the joint portion and capable of internally accommodating the treatment portion, and a driving force transmission portion connected to the joint portion and configured to transmit a driving force for changing the direction of the treatment portion to the joint portion, wherein the driving mechanism includes a driving force generation portion configured to generate the driving force, and wherein the treatment portion enters and exits the storage portion by the driving force transmitted from the driving force generation portion to the joint portion through the driving force transmission portion.

Abstract: A flexible-manipulator guide member is provided in an inserted portion of a flexible manipulator including the elongated flexible inserted portion, the movable portion disposed at the distal end of the inserted portion, a drive portion disposed at the base end of the inserted portion, and the elongated driving-force transmitting member that transmits motive power of the drive portion to the movable portion, and is provided with a lumen through which the driving-force transmitting member passes in the longitudinal direction, wherein the lumen has a twisted shape about the longitudinal axis of the inserted portion.

Abstract: The technology disclosed herein is directed to a medical manipulator having an elongated member. The elongated member includes a base member and a proximal end member on opposed ends thereof. An end effector unit is detachably attached to the base member so as to be in an electrical communication with the proximal end member. The base member is formed by a flat face surface and an outwardly projecting curved face surface extending longitudinally therefrom. The base member includes a protrusion projecting from the cured face surface in a direction perpendicular to a longitudinal axis of the elongated member. The end effector unit includes an engaging portion being used to engage with the protrusion to securely attach the end effector unit to the base member during an operation of the medical manipulator on a body tissue. The end effector is detached and discarded after the operation.

Abstract: A flexible-manipulator guide member is provided in an inserted portion of a flexible manipulator including the elongated flexible inserted portion, the movable portion disposed at the distal end of the inserted portion, a drive portion disposed at the base end of the inserted portion, and the elongated driving-force transmitting member that transmits motive power of the drive portion to the movable portion, and is provided with a lumen through which the driving-force transmitting member passes in the longitudinal direction, wherein the lumen has a twisted shape about the longitudinal axis of the inserted portion.

Abstract: The slack correction mechanism includes a distal-end pulley that is rotatable with respect to a given axis, a distal-end wire wound around the distal-end pulley, a first supporting part including a first base, a first friction portion around which the distal-end wire is looped on one side and a first biasing portion that biases the distal-end wire in a pulling direction on one end side with respect to the first friction portion, the first supporting part being adapted to support one side of the distal-end wire, and a second supporting part including a second base, a second friction portion around which the distal-end wire is looped on the other side and a second biasing portion that biases the distal-end wire in a pulling direction on the other side with respect to the second friction portion, the second supporting part being adapted to support the other side of the distal-end wire.

Abstract: A medical manipulator includes: an elongated flexible portion configured to be inserted into a body; an end effector disposed on a distal end of the elongated flexible portion; a proximal portion coupled to a proximal end of the elongated flexible portion, the proximal portion being configured to generate power for actuating the end effector; at least two wires configured to transmit the power to the end effector; at least two sheaths configured to form a path of each of the wires within the elongated flexible portion; and a rotating mechanism configured such that either a distal end or a proximal end of each of the sheaths rotates relative to the elongated flexible portion about a longitudinal axis of the elongated flexible portion.

Abstract: In a surgical tool, the treatment tool piece operating joint includes a first operating rotation member which is coupled to the moving member and is rotated around a predetermined rotation center; a second operating rotation member which is coupled to the first operating rotation member so as to relatively rotate around a rotation center coaxial with the second bending rotary shaft in a rotation direction opposite to a rotation direction of the first operating rotation member or around a rotation center that is a position closer to the first bending rotary shaft than the second bending rotary shaft in a rotation direction opposite to a rotation direction of the first operating rotation member; and a link which converts a rotational force of the second operating rotation member into the operation of the treatment tool piece.

Abstract: A medical manipulator including: a flexible elongated section composed of an electrically conductive material and capable of transmitting torsional torque; a joint section disposed at a distal end of the elongated section, having a joint, and composed of an electrically conductive material; a treatment section attached to a distal end of the joint section; a cylindrical connection member composed of an insulating material, disposed between the elongated section and the joint section, and connecting the elongated section and the joint section; an electric cable that extends internally through the elongated section, the connection member, and the joint section in a state where the electric cable is electrically insulated from the elongated section and the joint section; and a cover composed of an insulating material and covers outer surfaces of the joint section and the elongated section.

Abstract: A manipulator includes: an operating unit, and a bending assembly that is bent by operation of the operating unit, wherein: the bending assembly includes: a first link member having a first arc portion, a second link member having a second arc portion, an intermediate link member that includes a first intermediate arc portion and a second intermediate arc portion in opposition to the first intermediate arc portion, and is mounted between the first link member and the second link member.

Abstract: For bending a manipulator without excessive increase in a tensile force acting on a driving power transmitting member, a manipulator is provided with: an end effector; a driving unit; a guide member to which the end effector is attached at one end thereof and the driving unit is attached at the other end thereof; and a driving power transmitting members that transmit the driving power from the driving unit to the end effector, wherein the guide member includes a guide tube that has lumens, and an outer sheath that has a greater rigidity than the guide tube and that covers an outer circumference of the guide tube, and one end of the outer sheath is movable in a longitudinal direction with respect to the end effector or the driving unit.

Abstract: Provided is a medical treatment tool, the distance between a first advance and retraction axis, and a tip end is shorter than the length of the first link member, and the length when a line segment connecting the base end and the center of a forceps rotation shaft is projected on the first advance and retraction axis is shorter than the length is projected on the first advance and retraction axis. The distance between a second advance and retraction axis, and a tip end is shorter than the length of the second link member, and the length when a line segment connecting the base end and the center of a forceps rotation shaft is projected on the second advance and retraction axis is shorter than the length projected on the second advance and retraction axis.

Abstract: The invention has for its object to provide a cap for medical equipment that is capable of improving on the operability of a treatment part while acting as a cover for decreasing stains. A cap 10 for medical equipment includes a base member 11 attached to a distal end of medical equipment 1 and portions 12, 13, 14 and 15 extending out of the base member 11, wherein the portions 12, 13, 14 and 15 are put into passive operation.