Abstract: A distal side transmitting member of an ultrasonic transmitting unit includes a projecting portion protruding from a distal side abutment portion toward a proximal direction, and a proximal side transmitting member includes a depressed portion depressed from a proximal side abutment portion toward the proximal direction. A cavity portion having a space is formed between a protruding end of the projecting portion and a bottom portion of the depressed portion inside the proximal side transmitting member when the depressed portion is engaged with the projecting portion, and one of antinode positions of an ultrasonic vibration is located within a range from the protruding end to the bottom portion.

Abstract: An ultrasonic treatment device includes a transmitting connection section connecting a proximal-side vibration transmitting section to a distal-side vibration transmitting section at an anti-node position of an ultrasonic vibration. The ultrasonic treatment device includes a detecting section detecting a coupled state in which a treatment unit is coupled with a vibrator unit or a non-coupled state in which the treatment unit is not coupled with the vibrator unit, and a supply control section controlling a supply state of a generating electric power from an electric power supply section based on a detection result of the detecting section when a first vibration generating operation is input.

Abstract: An ultrasonic probe includes a first coupled vibration member and a second coupled vibration member each of which extends along a longitudinal axis between a first anti-node position of an ultrasonic vibration and a second anti-node position of the ultrasonic vibration located to a distal direction side of the first anti-node position. The second coupled vibration member vibrates in the same mode as the first coupled vibration member. A first groove of the first coupled vibration member and a second groove of the second coupled vibration member cooperate with each other and thereby form at least a part of a passage inside a multiple-members vibrating portion formed by the first coupled vibration member and the second coupled vibration member.

Abstract: A manufacturing method of an ultrasonic generating device includes calculating performance value based on a first electromechanical coupling factor in thickness directions and a second electromechanical coupling factor in diametrical directions for each of existing piezoelectric elements, calculating, for each of temporary conditions, a temporary influence value on the basis of a deviation of temporary amplitude of the ultrasonic vibrations, generated by the supply of the current having the predetermined current value, from a target amplitude in a target condition. The manufacturing method includes selecting the corresponding mounted piezoelectric element to be mounted on each of the element mounting portions from the existing piezoelectric elements so that the sum of actual influence values of all the element mounting portions is within a predetermined range with respect to the target amplitude.

Abstract: An ultrasonic treatment device includes a vibration transmitting section transmitting an ultrasonic vibration to a distal end of an ultrasonic probe, and a hole defining portion extended toward a proximal direction along the longitudinal axis from a distal end portion of the vibration transmitting section and defining a hole-shaped portion inside the vibration transmitting section. The ultrasonic treatment device includes a tube member extended inside the vibration transmitting section and including a tube distal end which is connected to the hole defining portion of the vibration transmitting section at a first node position of the ultrasonic vibration to a distal direction side of a piezoelectric element.

Abstract: A manufacturing method of an ultrasonic generating device includes applying a compressive force to an attachment unit toward a first axial direction while a first end of a bolt-shaped member is a free end and the second end thereof is fixed, and thereby generating a first elastic force in the attachment unit. The manufacturing method includes attaching a fastening member to a bar portion of the bolt-shaped member in a balanced condition in which a second elastic force of the bolt-shaped member and the first elastic force are in balance, and thereby maintaining the balanced condition.

Abstract: An ultrasonic treatment device including, a vibration transmitting portion, an inner surface which defines an internal space, a first tube which extends along the longitudinal axis in an internal space, a path portion which is provided on the inner circumferential side of the first tube, and a first spacer which intervenes between the inner surface and the first tube at a node position of the ultrasonic vibration in a longitudinal axis and which supports the first tube so that the outer circumferential surface of the first tube does not contact the inner surface.

Abstract: An ultrasonic treatment system includes a calculator calculating a relation between an amplitude of a vibrating body unit when an ultrasonic vibration is generated and an electric current to be supplied to an ultrasonic generator based on both an elapse of time and a number of thermal processes. The ultrasonic treatment system includes a current value setting section setting the electric current to an adaptive current value that brings the amplitude of the vibrating body unit to a target amplitude based on the relation between the amplitude of the vibrating body unit and the electric current calculated by the calculation section.

Abstract: An ultrasonic probe is provided with a first vibrating body including a first distal treatment section which vibrates at a predetermined frequency and with a first amplitude when the ultrasonic vibration is transmitted. The ultrasonic probe includes a second vibrating body extending in a same range as the first vibrating body in axially parallel directions parallel to a longitudinal axis and being discontinuous with the first vibrating body over an entire length in the axially parallel directions. The second vibrating body includes a second distal treatment section vibrating at the same predetermined frequency as the first distal treatment section and with a second amplitude greater than the first amplitude when the ultrasonic vibration is transmitted.

Abstract: A surgical system has an ultrasound treatment instrument having an ultrasound transducer, a power supply apparatus to which the ultrasound treatment instrument is detachably connected, an energy supply section that supplies drive energy to the ultrasound transducer, a clock that measures a present time, a time updating section that outputs the present time, a storage section that stores a final updated time that is updated finally in the present time, and a number of times of use, a time period calculation section that calculates a non-connection time period of the ultrasound treatment instrument to the power supply apparatus, and a processing section that performs processing of generating an update signal that causes the number of times of use to be updated in accordance with a determination result with respect to the non-connection time period and a result of determination with respect to a parameter.

Abstract: An ultrasound surgery system includes: a handpiece including an ultrasound transducer that generates ultrasound vibration and a treatment portion to which the ultrasound vibration is transmitted; a drive current output section provided in a power supply apparatus to which the handpiece is detachably connected, the drive current output section producing and outputting a drive current for driving the ultrasound transducer; a drive frequency output section that detects and outputs a drive frequency for driving the ultrasound transducer with a resonant frequency of the ultrasound transducer; a first information storage section that stores first information including a parameter unique to the handpiece; and a variable current setting section that variably sets the drive current produced by the drive current output section, based on the drive frequency detected by the drive frequency output section, in order to maintain an amplitude or a vibration velocity of the ultrasound vibration in the treatment portion at a p

Abstract: An ultrasonic transmitting unit includes a first vibrating section and second vibrating section vibrating at the same predetermined frequency with respect to each other. The ultrasonic transmitting unit includes a relay portion transmitting the ultrasonic vibration toward a first transmitting direction from the first vibrating section to the second vibrating section and positioned at a position corresponding to one of an antinode position of the vibration in the first vibrating section and different from an antinode position and a node position of the vibration in the second vibrating section, and a non-contact vibrating portion extending in a second vibrating section from the relay portion toward a second transmitting direction without contact with the first vibrating section.

Abstract: An ultrasonic transmitting unit includes a first vibrating section and a second vibrating section vibrating at the same predetermined frequency with respect to each other. The ultrasonic transmitting unit includes a relay portion transmitting an ultrasonic vibration from the first vibrating section to the second vibrating section and positioned at a position corresponding to one of an antinode position of the vibration in the first vibrating section and a position different from an antinode position and a node position of the vibration in the second vibrating section, and a non-contact vibrating portion extending in the second vibrating section from the relay portion toward a first vibrating section side with being not in contact with the first vibrating section.

Abstract: An ultrasonic actuated unit includes an intermediary portion continuous with an ultrasonic transmitting portion or connected to the ultrasonic transmitting portion at a node position of a longitudinal vibration, and a noncontact vibrating portion extending in directions parallel to a longitudinal axis without contacting the ultrasonic transmitting portion, an imprecise vibration being transmitted to the noncontact vibrating portion from the ultrasonic transmitting portion via the intermediary portion. The ultrasonic actuated unit includes a vibration absorbing portion absorbing the imprecise vibration transmitted to the noncontact vibrating portion.

Abstract: A manufacturing method of an ultrasonic generating device includes applying a compressive force to an attachment unit toward a first axial direction while a first end of a bolt-shaped member is a free end and the second end thereof is fixed, and thereby generating a first elastic force in the attachment unit. The manufacturing method includes attaching a fastening member to a bar portion of the bolt-shaped member in a balanced condition in which a second elastic force of the bolt-shaped member and the first elastic force are in balance, and thereby maintaining the balanced condition.

Abstract: A distal side transmitting member of an ultrasonic transmitting unit includes a projecting portion protruding from a distal side abutment portion toward a proximal direction, and a proximal side transmitting member includes a depressed portion depressed from a proximal side abutment portion toward the proximal direction. A cavity portion having a space is formed between a protruding end of the projecting portion and a bottom portion of the depressed portion inside the proximal side transmitting member when the depressed portion is engaged with the projecting portion, and one of antinode positions of an ultrasonic vibration is located within a range from the protruding end to the bottom portion.

Abstract: A groove portion depressed from an unit outer surface toward a first perpendicular direction extends over an entire length of a transmission unit in axially parallel directions, and in the transmission unit, a sectional of a first unit component perpendicular to a longitudinal axis is a first sectional shape and a sectional shape of a second unit component perpendicular to the longitudinal axis is a second sectional shape smaller in sectional area than the first sectional shape. The sectional area changing portion changes from the first sectional shape to the second sectional shape so that a gravity center position in a case where the longitudinal axis is a reference position is consistent over the entire length of the transmission unit in the axially parallel directions.

Abstract: A treatment portion includes a treatment region which treats a treatment part with a liquid which has flowed out from a distal end opening portion and with ultrasonic vibrations while the treatment region is in abutment with the treatment part. The treatment portion further includes a hydrophilic region which is formed by the application of a hydrophilic coat and which is provided in part of the circumferential surface of the treatment portion to be provided from the treatment region to an end portion of the treatment portion located in the distal end opening portion in a longitudinal axis direction.

Abstract: An ultrasonic probe transmits vibration along longitudinal axis from the proximal toward the distal end, including: first area including proximal and distal end portions, a center axis parallel to the longitudinal axis, the first area having a vibration antinode position at the distal end, wherein maximum distance from the center axis to an outer peripheral surface in radial direction orthogonal to the center axis is a first distance; a treatment section located on a distal end side's barycenter position displaced from the center axis; a second area located between the first area and treatment section continuous with the distal end of the first area and gravity center axis parallel to the center axis to pass through the barycenter, wherein maximum distance from the center axis to the outer surface in the radial direction orthogonal to the center axis is a second distance equal to or shorter than the first distance.

Abstract: A connection mechanism includes a first member, a second member and a cylindrical third member which connects the first member and the second member to each other. The third member includes a protrusion portion and a second connection portion. A held portion of the second member is inserted from the one end portion to the third member and the held portion is disposed in a space portion between the protrusion portion and an end face. In this state, the third member holds the held portion between the end face and the protrusion portion thereby the third member is moved the protrusion portion relative to the first member and the protrusion portion presses the held portion against the end face.