An ultrasonic vibration transmittable probe includes a probe body configured to transmit ultrasonic vibration generated by an ultrasonic transducer. A treatment section is provided on a distal end side of the probe body along its longitudinal axis and is configured to cut a treatment object with the ultrasonic vibration. The treatment section includes first to third cutting surfaces disposed at progressively proximal positions. A portion of the first cutting surface has a dimension along a first orthogonal direction orthogonal to the longitudinal axis that is smaller than a dimension of the second cutting surface along the first orthogonal direction.

An ultrasonic vibration transmittable probe includes a probe body configured to transmit ultrasonic vibration generated by an ultrasonic transducer. A treatment section is provided on a distal end side of the probe body along its longitudinal axis. The treatment section includes multiple cutting surfaces having different dimensions in a first orthogonal direction orthogonal to the longitudinal axis.

A surgical instrument is disclosed comprising a shaft assembly comprising a shaft, a housing coupled to a proximal end of the shaft, a button, a driver, a motor configured to actuate the driver, and a controller for translating displacement of the button to a velocity of the motor. The controller is configured to detect a displacement of the button, wherein the displacement is manifested as a frequency and magnitude over a period of time, compare the detected frequency to a frequency threshold, compare the detected magnitude with a magnitude threshold, determine that the detected frequency exceeds the frequency threshold and the detected magnitude exceeds the magnitude threshold, and smooth the velocity of the motor over the period of time based on determining the detected frequency exceeds frequency threshold and determining the detected magnitude exceeds the a magnitude threshold.

An ultrasonic vibration transmittable probe includes a probe body configured to transmit ultrasonic vibration generated by an ultrasonic transducer. A treatment section is provided on a distal end side of the probe body along its longitudinal axis and is configured to cut a treatment object with the ultrasonic vibration. The treatment section includes at least two cutting surfaces and an edge portion having a different shape than an outermost edge of the treatment section.

A method of manufacturing an ultrasonic transmission component of an ultrasonic surgical instrument includes forming, via additive manufacturing, a waveguide, including a body portion, a curved blade extending distally from the body portion, and a lumen extending through a portion of the body portion and a portion of the curved blade. Another method of manufacturing an ultrasonic transmission component of an ultrasonic surgical instrument includes forming, via additive manufacturing, a waveguide, including a body portion and a blade extending distally from the body portion. At least one of the body portion or the blade defines a varied density.

The disclosed technology is directed to an ultrasonic probe comprises a probe main portion configured to transmit ultrasonic vibration generated by an ultrasonic transducer. A treatment portion is configured on a distal side of the probe main portion along a longitudinal axis thereof. The treatment portion includes first direction surfaces disposed in a first direction intersecting the longitudinal axis and second direction surfaces that are adjacent to the first direction surfaces and are disposed in a second direction different from the first direction surfaces. The first direction surfaces further includes a plurality of surfaces formed into a staircase shape when being viewed from the treatment portion and one or more surfaces formed into a staircase shape when being viewed from a side opposed to the distal side of the treatment portion. The second direction surfaces further includes a plurality of surfaces formed into a staircase shape toward the distal side.

A surgical procedure of preparing bone holes to dispose an implanted tendon to a femur when performing reconstruction of a ligament in a knee joint, includes: forming a first bone hole in the femur; and applying ultrasonic vibration from a treatment portion of an ultrasonic treatment instrument to the femur, thereby cutting and expanding the first bone hole from the inside of the knee joint to the first bone hole of the femur along a predetermined depth, and forming a second bone hole having a polygonal shape, an approximately polygonal shape, an elliptical shape or an approximately elliptical shape to receive the implanted tendon.

Embodiments may include systems and methods for treating an occluded area in a body, accessing cavities or passages of the body, or reducing pathologic material in the body. Embodiments may be configured to apply vibratory energy to pathologic material in a treatment area of a body. A handle connected to an energy source may be configured to provide an energy signal. A transducer may be configured to receive the energy signal. An effector may be operatively coupled to the transducer. The effector may have a proximal end connected to the handle and a distal portion configured to apply vibratory energy to pathologic material. A cannula may have a longitudinal passage to receive at least a portion of the effector and/or be configured to expose at least the distal portion of the effector to the pathologic material or the treatment area.

A probe unit includes, a probe configured to treat a bone by ultrasonic vibration, a hollow sheath which surrounds the probe and which has a first portion at a small distance from a central axis, and a second portion at a greater distance from the central axis than the first portion, and a knob configured to rotate the sheath relative to the probe between a first position for insertion between the bone and a living tissue facing the bone so that the first portion is located between the bone and the living tissue and a second position for insertion between the bone and the living tissue so that the second portion is located between the bone and the living tissue.

A surgical instrument comprises a shaft assembly; a handle assembly; a battery assembly; a first driver configured to drive movement of at least a first component of the surgical instrument; a second driver configured to drive movement of at least a second component of the surgical instrument; a motor powered by the battery assembly and configured to selectively actuate the first driver or the second driver using an output of the motor; and a controller for the motor, configured to: perform a first limiting operation to the output of the motor when the motor actuates the first driver and a first limiting condition is met, and perform a second limiting operation to the output of the motor when the motor actuates the second driver and a second limiting condition is met.