Olympus Corporation

Mitsuaki Hasegawa

Toshihiro Yoshii

Kosuke Kishi

Takumi Isoda

Kyohei Kurihara

Hiroyuki Hashimoto

Ryoji Hyodo

Hirotaka Namiki

A medical manipulator includes: an end effector provided at a distal side of the medical manipulator; a proximal housing provided at a proximal side of the medical manipulator; and an elongated portion coupled to both the end effector and the proximal end. The elongated portion includes: a first elongated member coupled to both the end effector and the proximal housing; a second elongated member coupled to only either one of the end effector and the proximal housing, the second elongated member being configured to form by surrounding the first elongated member; and to be slidable in a longitudinal direction relative to the first elongated member; and a third elongated member coupled to both the end effector and the proximal housing, the third elongated member being configured to form an exterior of the elongated portion by surrounding the second elongated member.

Medical manipulator and medical device

A medical manipulator system includes: an endoscope; a first manipulator equipped with a first treatment tool at a distal end thereof; a second manipulator equipped with a second treatment tool at a distal end thereof; a display for a user to view; and a controller configured to generate an image to be displayed on the display. The controller is configured to: acquire a first image taken by the endoscope, the first image contains the first treatment tool; and in response to determining that the second treatment tool does not exist in the first image: calculate a relative distance and a relative direction between the first treatment tool and the second treatment tool; generate a second image showing the relative distance and the relative direction between the first treatment tool and the second treatment tool; and send the first image and the second image to the display.

Medical manipulator system and image display method therefor

A treatment tool includes an elongated shaft that has a bending mechanism at a distal end thereof; a bending operation part that is connected to a proximal-end side of the shaft in order to operate the bending mechanism; a connection sleeve that is provided at a connection section of the bending operation part where the bending operation part and the shaft are connected, and that rotatably holds the shaft; a rotation operation member that is provided at the proximal-end side of the shaft and that rotates the shaft; and a stopper member that can be made to slide outside the connection sleeve along a direction of a longitudinal axis of the shaft and that is engaged with both the rotation operation member and the connection sleeve at a specific position in a range of movement thereof, thereby locking rotation of the shaft with respect to the connection sleeve.

Treatment tool

Provided is a manipulator including: a movable part; a drive unit generating power; an elongated flexible long guide member to which the part is attached at one end thereof and the drive unit is attached at the other end thereof; an elongated tension transmission member passing through a lumen in the long guide member and transmitting the power of the drive unit to the part by means of a tension; a tension adjusting mechanism adjusting the tension of the tension transmission member; and a holding unit to which the drive unit is detachably attached. The mechanism includes: a tensioner, provided in a movable manner in a direction intersecting the longitudinal direction of the tension transmission member, that pulls the tension transmission member; and a pressing member, provided in the holding unit, that moves the tensioner in a state in which the drive unit has been attached to the holding unit.

Manipulator

A medical manipulator system including: a placement table on which a patient is placed; at least one manipulator configured to support a treatment tool which is configured to treat the patient, the manipulator configured to adjust a position and an orientation of the treatment tool; a base portion configured to support the manipulator; a sensor configured to detect objects which are present in a predetermined area including the manipulator and the placement table; and a controller including at least one processor, wherein the processor is configured to: calculate degrees of proximity between the objects detected by the sensor and the manipulator, and generate, in case that the calculated degrees of proximity exceed a predetermined threshold, a control signal for preventing interference between the objects and the manipulator.

Medical manipulator system and operating method thereof

A medical manipulator system includes: a first manipulator configured to change a position of an imaging section that images a target portion in a body; a second manipulator configured to change a position of an end effector that treats the target portion; a display section configured to display images from the imaging section; an operation section configured to generate an operation command for operating the first manipulator or the second manipulator; and a control section configured to select one of a plurality of control modes and control the first manipulator or the second manipulator based on the operation command.

Medical manipulator system

The technology disclosed herein is directed to a flexible manipulator used to prevent a loss of control of a movable part by reducing the friction applied to the power transmission member and to be able to suppress the occurrence of a path length difference of a plurality of power transmission members with regard to various curvature length of an insertion part. The flexible manipulator includes an elongated member formed in the shape of a long flexible tube and having two or more paths that pass through in a longitudinal direction on the outside in the radial direction with regard to a center axis. Respective movable and driving parts is disposed on respective tip and base ends of the elongated member. Power transmission members are arranged to pass through the path of the elongated member and that transfer the power of the driving part to the movable part.

Flexible manipulator

A medical manipulator system having a controller configured to receive an image showing a state of a treating portion of a manipulator from an endoscope, determine a magnitude of an external force exerted on the manipulator based on the state of the treating portion of the manipulator shown in the image, generate an auxiliary image in which a display form thereof is changed with a change in the magnitude of the external force exerted on the manipulator determined, determine a display position of the auxiliary image in the image on the basis of the magnitude of the external force exerted on the manipulator determined, and generate a composited image signal of a composited image in which the auxiliary image is superimposed on the image on the basis of the display position determined.

A manipulator including: an end effector movable about a joint; a motor configured to generate force so as to move the end effector; a wire for transmitting the force from the motor to the end effector; a guide member connected between the end effector and motor. The guide member including: a guide tube comprising at least one lumen extended in a longitudinal direction, the lumen configured to guide the wire; and an outer sheath configured to cover the guide tube in a longitudinal direction and to move relative to the motor in the longitudinal direction, the outer sheath having a rigidity higher than the guide tube. The manipulator further including an adjusting mechanism configured to adjust a position of the proximal end section of the outer sheath relative to the motor in the longitudinal direction of the guide tube so as to adjust a tensile-force generated on the wire.

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.

A medical manipulator system having: an end effector configured to be controlled to perform a treatment; an arm to which the end effector is attached, wherein the arm has a plurality of movable parts, wherein the plurality of movable parts are configured to be moved under one of a plurality of modes, wherein each of the plurality of modes comprises a combination of: movement by one or more actuators; and movement by an external force; and a controller configured to: control the end effector to perform the treatment; and select the one of the plurality of modes; and effect movement of the plurality of movable parts by controlling the one or more actuators and by permitting movement by the external force in accordance with the one of the plurality of modes selected.

Medical manipulator system, controller, and computer-readable storage device

A medical system includes a plurality of arms including a joint group having a redundant degree of freedom. The plurality of arms is configured to move medical devices mounted on their free end. An operation portion is configured to input an operation command for operating the plurality of arms. A controller controls the plurality of arms based on the operation command from the operation portion. The controller includes one or more processor as a hardware. The processor configured to predict an interference between the plurality of arms, calculate degrees of priority of each of the plurality of arms based on severities of effects by the predicted interference on a patient, and operate a signal of the plurality of arms having highest degrees of priority. The signal is configured so that the plurality of arms can avoid the interference.

Medical system and method of operation thereof

A medical instrument according to the present invention includes an end effector that fulfills a predetermined function, a motor unit that generates power for driving the end effector, a transmission member that is connected to the end effector and the motor unit so as to transmit the power to the end effector, a tension holding portion that has a tension generation portion and a tension pulley which is connected to the tension generation portion and which comes into contact with the transmission member the tension pulley being configured to move such that tension applied to the transmission member in a predetermined magnitude, and a switch that can fix a position of the tension pulley.

Medical instrument and adjustment method of medical instrument

A manipulator system initialization method includes: a joint angle setting step of bringing a driving force relay part into a driving force release state, inserting a bending joint and a pair of shaft-shaped parts coupled by the bending joint into a shape defining member having a shape defining part that brings a joint angle of the bending joint to a predetermined value, and setting a joint angle of the bending joint to the predetermined value; a drive part coupling step of switching the driving force relay part to a driving force relay state, with respect to the bending joint of which the joint angle is set; and an origin setting step of associating a state of the joint angle of the bending joint with a drive origin of a drive part after the drive part coupling step is performed.

Manipulator system initialization method

An initialization method for a manipulator includes: a reference angle maintaining step of setting a rotational angle of a joint part to a reference angle that has been predetermined, and maintaining the reference angle in a state where a driving force relay part is switched to a driving force release state; a drive part coupling step of switching the driving force relay part to a driving force relay state in a state where the joint part is arranged at a position where an initialization operation is performed after the reference angle maintaining step is performed; and an origin setting step of performing matching of a drive origin of a drive part according to a state of the rotational angle.

Growing community of inventors

Tokyo, Japan

Mitsuaki Hasegawa