A device for the transmission of ultrasonic vibrations that establish a plurality of node and anti-node positions along a central axis of an ultrasonic waveguide, said device comprising: a horn that receives vibration from an actuator; said ultrasonic waveguide fixedly coupled with the horn and comprising: a waveguide tube and a waveguide fitting that defines an impact surface; said waveguide tube having a proximal end and a distal end; said waveguide fitting having an attachment end and a waveguide tube coupler; said waveguide tube coupler fixedly secured to said proximal end of said waveguide tube; a spring and a first shock-pulsing mass, each positioned on said ultrasonic waveguide; a stop positioned on said ultrasonic waveguide; said spring and said first shock-pulsing mass are both interposed between said stop and said impact surface: characterised by said impact surface being positioned within at least one λ/6 of an anti-node position along the central axis of said ultrasonic waveguide when said attachment end of said waveguide fitting is attached to an operating device; a second shock-pulsing mass (48; 82); said second shock-pulsing mass abuts against said stop; said first shock-pulsing mass contacts said impact surface; and said spring positioned between said first shock-pulsing mass and said second shock-pulsing mass; wherein the first shock-pulsing mass and the second shock-pulsing mass impart shock pulses to the waveguide tube. a horn that receives vibration from an actuator; said ultrasonic waveguide fixedly coupled with the horn and comprising: a waveguide tube and a waveguide fitting that defines an impact surface; said waveguide tube having a proximal end and a distal end; said waveguide fitting having an attachment end and a waveguide tube coupler; said waveguide tube coupler fixedly secured to said proximal end of said waveguide tube; a spring and a first shock-pulsing mass, each positioned on said ultrasonic waveguide; a stop positioned on said ultrasonic waveguide; said spring and said first shock-pulsing mass are both interposed between said stop and said impact surface: characterised by said impact surface being positioned within at least one λ/6 of an anti-node position along the central axis of said ultrasonic waveguide when said attachment end of said waveguide fitting is attached to an operating device; a second shock-pulsing mass (48; 82); said second shock-pulsing mass abuts against said stop; said first shock-pulsing mass contacts said impact surface; and said spring positioned between said first shock-pulsing mass and said second shock-pulsing mass; a waveguide tube and a waveguide fitting that defines an impact surface; said waveguide tube having a proximal end and a distal end; said waveguide fitting having an attachment end and a waveguide tube coupler; said waveguide tube coupler fixedly secured to said proximal end of said waveguide tube; a spring and a first shock-pulsing mass, each positioned on said ultrasonic waveguide; a stop positioned on said ultrasonic waveguide; said spring and said first shock-pulsing mass are both interposed between said stop and said impact surface: characterised by said impact surface being positioned within at least one λ/6 of an anti-node position along the central axis of said ultrasonic waveguide when said attachment end of said waveguide fitting is attached to an operating device; a second shock-pulsing mass (48; 82); said second shock-pulsing mass abuts against said stop; said first shock-pulsing mass contacts said impact surface; and said spring positioned between said first shock-pulsing mass and said second shock-pulsing mass; characterised by said impact surface being positioned within at least one λ/6 of an anti-node position along the central axis of said ultrasonic waveguide when said attachment end of said waveguide fitting is attached to an operating device; a second shock-pulsing mass (48; 82); said second shock-pulsing mass abuts against said stop; said first shock-pulsing mass contacts said impact surface; and said spring positioned between said first shock-pulsing mass and said second shock-pulsing mass;