The electronic artificial urinary sphincter: ongoing innovation of a classic device-a narrative review

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Background and objective While the modern artificial urinary sphincter (AUS) has benefited from incremental innovation, which has improved both device efficacy and complication rates, the foundational technology in use in Boston Scientific's AMS800 can be traced back to the fundamental hydraulic tenets of the AS721. Research and development in adaptive technology and electronic integration stand to further improve AUS outcomes. Methods The Medline online retrieval system was queried using the MeSH terms "artificial urinary sphincter", "electronic", "complications", "history", and "development" in various combinations. Publications were reviewed if applicable, and their reference lists were used to collect additional articles as needed. Final article inclusion was based on senior author discretion. Key content and findings The AMS800 AUS is the gold standard for male stress incontinence implants. A 2015 consensus conference set out the goals for sphincter device development in the coming decades. A future ideal sphincter would adjust cuff pressure dynamically as well as function with minimal manipulation, or even via electronic control. Multiple new devices are in various states of development. During the next decade, artificial urinary sphincter technology is likely to include multiple Food and Drug Administration (FDA)-approved devices with varying features aimed at satisfying

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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