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 grasping treatment instrument includes a jaw including first and second rims and a recess with a bottom surface, and a grasping member with a ridge. When the grasping member is positioned at a first position, a component of the ridge between a second rotary axis and a distal end of the ridge protrudes to the opposite side from the bottom surface of the recess with respect to the first and second rims. When the grasping member is positioned at a second position, a component of the ridge between the second rotary axis and a proximal end of the ridge protrudes to the opposite side from the bottom surface of the recess with respect to the first and second rims.

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: An energy surgical instrument includes first and second grasping pieces for grasping a blood vessel. At least one of the grasping pieces is designed to apply treatment energy to a grasped blood vessel. The instrument also includes a processor designed to set a wall thickness of the blood vessel, and a grasping force adjuster designed to adjust a grasping force applied by the first and second grasping pieces. A first grasping force is applied when the wall thickness set by the processor is larger than a predetermined thickness, and a second grasping force, which is larger than the first grasping force, is applied when the wall thickness set by the processor is equal to or smaller than the predetermined thickness. A treatment method includes applying treatment energy to a blood vessel grasped by the first and second grasping pieces of the instrument to seal the blood vessel.

Abstract: An energy treatment instrument includes a pair of grasping pieces, and the grasping pieces grasp a treated target therebetween by closing relative to each other. At least one of the grasping pieces includes an energy applying portion which treats the treated target by applying treatment energy to the grasped treated target. At least one of the grasping pieces includes a hauler hauling the treated target toward an inside in a width direction of the grasping pieces, when the grasping pieces close relative to each other in a state that the treated target is disposed between the grasping pieces.

Abstract: A grasping treatment instrument includes a holder openable and closable relative to a treatment section. A pad extends straight in a natural state, and is attached along an installation surface of the holder. A holder inclined surface is provided on the installation surface, and inclines in a state that the holder inclined surface extends toward a treatment section side as extending toward a distal side. A pad inclined surface is formed in the pad attached to the holder, and is formed in a state that the pad inclined surface is elastically deformed along an inclination of the holder inclined surface. The pad inclined surface inclines in a state that the pad inclined surface extends toward the treatment section side as extending toward the distal side.

Abstract: An assembly method includes: inserting a resin pad including a pad body having a recessed portion, and a thick portion provided at a distal end portion of the recessed portion into a welding unit including a sheath and tape second gripping member assembled to the sheath along a groove provided in the second gripping member in a state where the recessed portion faces a first gripping member; inserting the ultrasonic probe into the welding unit; and forming a distal end of the resin pad into a claw shape by pressing the first gripping member against the thick portion by bringing the second gripping member and the first gripping member close to each other to form a depression having an inner surface shape complementary to an outer surface shape of the first gripping member at the thick portion.

Abstract: A surgical instrument includes: a clamp section main body which is movable between a close position that is close to a vibration transmission member and an away position that is away from the vibration transmission member; a pressure pad provided on the clamp section main body and provided on a position that is close to the vibration transmission member, the pressure pad being brought into contact with the vibration transmission member when the clamp section main body is in the close position; and a pressing member which is configured to press the vibration transmission member in association with the clamp section main body coming close to the close position, and is configured to decrease pressure of contact between the pressure pad and the vibration transmission member.

Abstract: The grasping treatment instrument includes a jaw including first and second rims and a recess with a bottom surface, and a grasping member with a ridge. When the grasping member is positioned at a first position, a component of the ridge between a second rotary axis and a distal end of the ridge protrudes to the opposite side from the bottom surface of the recess with respect to the first and second rims. When the grasping member is positioned at a second position, a component of the ridge between the second rotary axis and a proximal end of the ridge protrudes to the opposite side from the bottom surface of the recess with respect to the first and second rims.

Abstract: A grasping treatment instrument includes a holder openable and closable relative to a treatment section. A pad extends straight in a natural state, and is attached along an installation surface of the holder. A holder inclined surface is provided on the installation surface, and inclines in a state that the holder inclined surface extends toward a treatment section side as extending toward a distal side. A pad inclined surface is formed in the pad attached to the holder, and is formed in a state that the pad inclined surface is elastically deformed along an inclination of the holder inclined surface. The pad inclined surface inclines in a state that the pad inclined surface extends toward the treatment section side as extending toward the distal side.

Abstract: An energy surgical instrument includes a first grasping piece, a second grasping piece which is allowed to grasp a blood vessel, an energy application unit provided in at least one of the first grasping piece and the second grasping piece, which applies treatment energy to the blood vessel grasped, a setting unit which sets information regarding a wall thickness of the blood vessel, and a grasping force adjustment unit which adjusts a grasping force to a first grasping force when the wall thickness set by the setting unit is larger than a predetermined thickness and adjusting the grasping force to a second grasping force, which is larger than the first grasping force, when the wall thickness set by the setting unit is equal to or smaller than the predetermined thickness.

Abstract: An energy surgical instrument includes a first grasping piece, a second grasping piece which is allowed to grasp a blood vessel, an energy application unit provided in at least one of the first grasping piece and the second grasping piece, which applies treatment energy to the blood vessel grasped, a setting unit which sets information regarding a wall thickness of the blood vessel, and a grasping force adjustment unit which adjusts a grasping force to a first grasping force when the wall thickness set by the setting unit is larger than a predetermined thickness and adjusting the grasping force to a second grasping force, which is smaller than the first grasping force, when the wall thickness set by the setting unit is equal to or smaller than the predetermined thickness.

Abstract: An energy treatment instrument includes a pair of grasping pieces, and the grasping pieces grasp a treated target therebetween by closing relative to each other. At least one of the grasping pieces includes an energy applying portion which treats the treated target by applying treatment energy to the grasped treated target. At least one of the grasping pieces includes a hauler hauling the treated target toward an inside in a width direction of the grasping pieces, when the grasping pieces close relative to each other in a state that the treated target is disposed between the grasping pieces.

Abstract: An ultrasonic treatment instrument includes a vibration transmitting member transmitting ultrasonic vibration toward a first gripper and formed as one piece, and a second gripper movable between a spaced position where the second gripper is spaced apart from the first gripper and a closed position where the second gripper is put in close to the first gripper. The ultrasonic treatment instrument includes an interlocking actuator increasing, by moving the first gripper in interlock with a movement of the second gripper to the spaced position, a spacing distance between the first gripper and the second gripper in accordance with a movement of the first gripper.

Abstract: A gripping unit includes a supporting section in which at least its entire surface is made of an insulating material, and a swing section swingable about a swing axis relative to the supporting section. The swing section includes a jaw-side facing surface opposed to a treatment section, and a jaw-side electrode section functioning as an electrode when high-frequency energy is transmitted. The support member covers the swing section from a distal direction, both of width directions, and an open direction of the jaw, and the swing section is externally exposed only on the jaw-side facing surface.

Abstract: A surgical instrument includes: a clamp section main body which is movable between a close position that is close to a vibration transmission member and an away position that is away from the vibration transmission member; a pressure pad provided on the clamp section main body and provided on a position that is close to the vibration transmission member, the pressure pad being brought into contact with the vibration transmission member when the clamp section main body is in the close position; and a pressing member which is configured to press the vibration transmission member in association with the clamp section main body coming close to the close position, and is configured to decrease pressure of contact between the pressure pad and the vibration transmission member.

Abstract: An ultrasonic treatment instrument includes a vibration transmitting member transmitting ultrasonic vibration toward a first gripper and formed as one piece, and a second gripper movable between a spaced position where the second gripper is spaced apart from the first gripper and a closed position where the second gripper is put in close to the first gripper. The ultrasonic treatment instrument includes an interlocking actuator increasing, by moving the first gripper in interlock with a movement of the second gripper to the spaced position, a spacing distance between the first gripper and the second gripper in accordance with a movement of the first gripper.

Abstract: A gripping unit includes a supporting section in which at least its entire surface is made of an insulating material, and a swing section swingable about a swing axis relative to the supporting section. The swing section includes a jaw-side facing surface opposed to a treatment section, and a jaw-side electrode section functioning as an electrode when high-frequency energy is transmitted. The support member covers the swing section from a distal direction, both of width directions, and an open direction of the jaw, and the swing section is externally exposed only on the jaw-side facing surface.

Abstract: A lens frame drive apparatus for an image pickup apparatus includes: a first lens frame that moves along a plurality of guide shafts; a second lens frame that moves along the plurality of guide shafts; and a drive shaft with a cam portion for driving the first lens frame, a nut for driving the second lens frame, a feed screw portion threadably connected to the nut, and a driven portion that upon receipt of a driving force from a motor, simultaneously rotates the cam portion and the feed screw portion, formed thereon, wherein the cam portion and the feed screw portion are driven by the nut so that a total amount of movement of the second lens frame is extremely smaller than a total amount of movement of the first lens frame and the second lens frame corrects the amount of movement of the first lens frame.