Sound Principles

  • IVL modifies calcium through use of shockwaves, which are a specific form of sonic pressure waves.
    The shockwave waveform has a rapid increase of peak pressure for approximately one micro-second, followed by a small negative pressure trough.

  • In contrast to ultrasound technologies which are characterized by low amplitude but very high frequency waveforms, an acoustic pressure shockwave has a very high amplitude but low frequency.

  • Fractures occur when the shockwave encounters tissue with differing impedances,
    such as the transition to superficial and deep calcium.

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