Circon ACMI AEH-3 Electrohydraulic Lithotripter

The Circon ACMI AEH-3 Electrohydraulic Lithotripter is a bipolar electrohydraulic lithotripsy system that uses spark-generated hydraulic shock waves to fragment urinary and biliary stones, enabling removal without open surgery. When used with flexible probes (E-1F, E-3F, E-5F, E-9F) in the presence of irrigant solutions, the AEH-3 generator delivers high-amplitude shocks that break calculi in the kidney, ureter, bladder, urethra, and common bile duct, with fragments removable endoscopically. The system is operated via the FS-3 Pneumatic Foot Pedal for hands-free activation control. According to FDA 510(k) documentation, Circon ACMI’s AEH-3 and probes are described as a bipolar lithotripter intended to fragment stones in the urinary and biliary tracts, with tissue injury minimized when the probe does not contact tissue surfaces; the technology relies on sparks within irrigated environments to generate the shock waves. Probes are designed to be flexible to navigate anatomical pathways, and the device is positioned as an intracorporeal solution that can reduce the need for invasive surgery by enabling stone fragmentation and retrieval through endoscopic means.