Abstract: An electrode with a conduit includes: a tubular portion internally provided with a first conduit; a distal end portion provided at the distal end of the tubular portion; a second conduit that is provided inside the distal end portion, the second conduit being configured to communicate with the first conduit; an opening configured to communicate with the first conduit and the second conduit; a first hemostatic surface that has a flat surface extending from the distal end of the tubular portion in an extending direction of the second conduit, and serves as an electrode configured to cause a high-frequency current to flow through a biological tissue; and a second hemostatic surface that is connected to a distal end side of the first hemostatic surface and is provided at an end portion protruding toward a distal end side from the opening.

Abstract: An ultrasonic treatment instrument includes: a vibration transmitter including a treatment portion for treating a living tissue at a distal end of the vibration transmitter, the vibration transmitter being configured to transfer ultrasonic vibration from a proximal end of the vibration transmitter toward the treatment portion; a holder configured to open and close with respect to the treatment portion; a resin pad including a gripping surface for gripping the living tissue between the resin pad and the treatment portion; and a heat transmitter that is configured separately from the holder and extends from the holder to an inside of the resin pad.

Abstract: A treatment tool includes: a sheath extending along a longitudinal axis; a fixed gripping piece protruding from a distal end of the sheath; a movable gripping piece that is movably attached to either the sheath or the fixed gripping piece, the movable gripping piece being configured to grip a living tissue between the movable gripping piece and the fixed gripping piece; and a movement restricting portion configured to allow movement of the movable gripping piece in a first range and restrict movement of the movable gripping piece in a second range different from the first range. The movable gripping piece is attachable to and detachable from either the sheath or the fixed gripping piece at a movement position within the second range.

Abstract: Ultrasonic treatment device includes a blade configured to apply ultrasonic vibrations to target tissue and a jaw movable relative to the blade between open and closed configurations. In some examples, the jaw includes a base having an inner channel and a plurality of slots in communication with the inner channel, and a pad having a plurality of protrusions, each protrusion configured to be received within a different slot of the plurality of slots. In further examples, the jaw includes a base having a pair of side walls defining an inner channel, one of the side walls including a rail member extending into the channel, and a pad having a single groove for receiving the rail member when the pad is positioned within the channel. A surface of the groove is configured to contact a surface of the rail when a force is applied against a grasping surface of the pad.

Abstract: A filter device includes a filter configured to attenuate light with a predetermined wavelength from emitted light emitted through a cover glass of an eyepiece portion of an endoscope along an optical axis, a frame configured to hold the filter, and a connector configured to hold the frame, and attach the frame to a camera head including an image pickup device configured to receive light passed through the filter. The connector includes an elastic region that presses the filter or the frame to an outer circumference of an effective optical path of the cover glass or to a circumference of the cover glass, in a state where the camera head is attached to the eyepiece portion.

Abstract: An energy treatment tool includes: a blade configured to transmit ultrasound vibration, an arm movable relative to the blade between an open position and a closed position, the arm including a surface on a blade-side of the arm, a pad provided on the surface, the pad including a first side and a second side opposite to the first side in a width direction of the arm, a first pin connected to the arm and extending along the width direction, a first electrode facing the first side of the pad and rotatable relative to the pad around the first pin, a second electrode facing the second side of the pad.

Abstract: The procedure instrument includes an end effector for treating biological tissue by grasping biological tissue by opening and closing and imparting treatment energy to biological tissue, a fixed handle grasped by an operator, a movable handle for opening and closing the end effector by moving in a direction close to and away from the fixed handle, respectively, and a first switch provided inside the fixed handle and receiving a user operation for imparting treatment energy to the biological tissue from the end effector in response to the movement of the movable handle, and a second switch provided in a state of being exposed outside the fixed handle and receiving a user operation in response to the movement of the movable handle.

Abstract: A treatment tool includes: a sheath; a treatment portion that is capable of treating a living tissue and is provided at a distal end of the sheath; a first driver and a second driver that are inserted in the sheath and are capable of driving the treatment portion; and a holder that is inserted in the sheath, and holds the first driver and the second driver. The holder includes a groove in which the first and second driver are inserted, and an intervening portion provided in the groove and arranged between the first driver and the second driver in a cross section perpendicular to a longitudinal direction of the groove that extends from a distal end to a proximal end of the holder.

Abstract: An endoscope includes: an insertion section including a distal end and a proximal end, the insertion section configured for insertion into a subject; an operation section main body connected to the proximal end of the insertion section and, the operation section main body configured to be grasped by a user. The operation section main body includes an operation knob and a switch button. The operation knob is rotatable about a center axis to move the distal end of the insertion section. The switch button is translatable in a translating direction. In a view in a longitudinal direction of the operation section main body, the center axis of the operation knob is configured to be tilted with respect to a direction that is perpendicular to each of the longitudinal direction of the operation section main body and the translating direction of the switch button.

Abstract: An ischemia control device is connected to a control unit that receives inputs from sensors and other surgical devices that senses patient conditions. The control unit uses the data inputs, as well as direct inputs from the medical operators, to output opening and closing instructions to the ischemia control device. The actuator on the ischemia control device receives the opening and closing instructions and manipulates the ischemia control device. The ischemia control device can be automatically operated using the sensed information to intermittently and alternately achieve ischemia of the organs and reperfuse the organs and, thereby, protect the organs from being damaged by the ischemia.

Abstract: A treatment tool includes: a first gripper; a second gripper configured to pivot relative to the first gripper to grip a living tissue between the second gripper and the first gripper; a support being provided with a pivoting shaft configured to engage with the second gripper and serve as a pivoting center of the second gripper; and a driver provided with a driving shaft configured to engage with the second gripper, the driver being configured to move forward and backward to pivot the second gripper.

Abstract: An ultrasonic treatment instrument includes: a vibration transmitter including a treatment portion for treating a living tissue at a distal end of the vibration transmitter, the vibration transmitter being configured to transfer ultrasonic vibration from a proximal end of the vibration transmitter toward the treatment portion; a holder configured to open and close with respect to the treatment portion; a resin pad including a gripping surface for gripping the living tissue between the resin pad and the treatment portion; and a heat transmitter that is configured separately from the holder and extends from the holder to an inside of the resin pad.

Abstract: The disclosed technology is directed to a surgical instrument comprises a sheath having respective opposed proximal and distal ends. A pair of grasps is disposed on the distal-end portion of the sheath gripping a treatment target therebetween. A drive shaft is coupled to at least one of the pair of grasps to open or to close the pair of grasps by being moved along the longitudinal axis with respect to the sheath. Electric elements are used to apply treatment energy to the treatment target. A first operating device supplies the electric energy to the electric elements in a first supply state. A first member produces a force to open or close the pair of grasps and applies the force to the drive shaft. A second member is disposed in line with the first member and applies a force to the drive shaft in response to the operation input.

Abstract: An energy treatment tool includes: a blade configured to transmit ultrasound vibration, an arm movable relative to the blade between an open position and a closed position, the arm including a surface on a blade-side of the arm, a pad provided on the surface, the pad including a first side and a second side opposite to the first side in a width direction of the arm, a first pin connected to the arm and extending along the width direction, a first electrode facing the first side of the pad and rotatable relative to the pad around the first pin, a second electrode facing the second side of the pad.

Abstract: A treatment instrument includes a rotating body and a housing. The rotating body includes a connecting portion including: a supported portion having a cylindrical outer peripheral surface, and an engaged portion that is adjacent to the supported surface. The housing includes a supporting portion that is configured to support the supported portion of the rotating body, the supporting portion being rotatable around a predetermined rotation axis; and an engaging portion that is configured to generate a frictional force larger than a frictional force between the supporting portion and the supported portion by coming into contact with the engaged portion.

Abstract: A treatment tool includes: an insertion tube; a distal end part that is provided at a distal end of the insertion tube; a shaft that is provided in the distal end part and that includes an outer circumferential surface; and a pair of transmitters each of which is inserted into the insertion tube and is fixed to the distal end part, the pair of transmitters being configured to transmit a drive force that causes the distal end part to flex with respect to the insertion tube, each transmitter being arranged along the outer circumferential surface with the shaft being sandwiched between the pair of transmitters and, on a distal end side with respect to the shaft, the pair of transmitters extending in a state of being separate from each other in a distance smaller than a diameter of the outer circumferential surface of the shaft.

Abstract: A treatment tool includes: a tubular insertion tube; an end effector that is provided at a distal end of the insertion tube and is bendable with respect to the insertion tube, the end effector being configured to apply treatment energy to a living tissue according to supplied power to treat the living tissue; a shaft body that is provided in the end effector and has an outer peripheral surface located on a circumference of a specific circle centered on a rotation axis when viewed from a direction along the rotation axis, the rotation axis allowing the end effector to be bent with respect to the insertion tube; and a wiring that is inserted through the insertion tube and serves as a supply path of the power, the shaft body including a passage through which the wiring is inserted.

Abstract: A treatment tool includes: an insertion tube; a pair of jaws that are provided at a distal end of the insertion tube and that are flexible with respect to the insertion tube, the pair of jaws being configured to grasp living tissue by opening and closing each other; a pin that is provided on a rotation axis on which the jaws are caused to rotate with respect to the insertion tube; a shaft that has an outer circumferential surface and in which a hole into which the pin is inserted; a rod configured to be inserted into the insertion tube and move forward and backward along a longitudinal axis of the insertion tube; and a link mechanism that is linked to a distal end of the rod and that includes a plurality of arms linked with each other movably within a specific plane.

Abstract: Treatment instrument includes a housing having a fixed handle to be grasped by a user, an end effector for grasping biological tissue by opening and closing, a movable handle which is rotatable with respect to the housing and moves in a direction toward or away from the fixed handle by rotating with respect to the housing, an opening and closing mechanism for opening and closing the end effector according to the rotation of the movable handle, a first fulcrum serving as a first rotation shaft for rotating the movable handle, a first slot through which the first fulcrum is inserted, a second fulcrum provided at a position different from the first fulcrum and serving as a second rotation shaft for rotating the movable handle, and a second slot through which the second fulcrum is inserted.

Abstract: The procedure instrument includes an end effector for treating biological tissue by grasping biological tissue by opening and closing and imparting treatment energy to biological tissue, a fixed handle grasped by an operator, a movable handle for opening and closing the end effector by moving in a direction close to and away from the fixed handle, respectively, and a first switch provided inside the fixed handle and receiving a user operation for imparting treatment energy to the biological tissue from the end effector in response to the movement of the movable handle, and a second switch provided in a state of being exposed outside the fixed handle and receiving a user operation in response to the movement of the movable handle.