The Validity of the AEON™ Stapler in Gastrointestinal Surgery: Early Clinical Experience and Translational Rationale

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The Validity of the AEON™ Stapler in Gastrointestinal Surgery: Early Clinical Experience and Translational Rationale

Aali J. Sheen
Spire Hospital, Manchester, United Kingdom

Frontiers in Oncology, April 2026

1,848
Bariatric cases (one leak, comparator-device period)
20% vs 65%
Pancreatic fistula rate, AEON vs traditional staplers (HPB)
6x fewer
AEON cases required reinforcement vs. tri-staple (16.8% vs. 100%)
Key finding: First narrative synthesis of the AEON laparoscopic surgical stapler‘s clinical evidence across bariatric and HPB surgery, authored by Aali J. Sheen (University of Manchester). Across 1,848 bariatric cases, only one staple-line leak occurred, and that was during the comparator-device period; 428 consecutive AEON cases had no stapler-related complications. In a 250-patient sleeve gastrectomy comparison, reinforcement was required in 16.8% of AEON cases versus 100% of tri-staple cases. In distal pancreatectomy, the AEON laparoscopic surgical stapler showed a 20% pancreatic fistula rate versus 65% with traditional staplers, with day-3 drain lipase of 446 U/L versus 4,208 U/L. Major hepatectomy was completed without transfusion in all AEON cases.

Abstract

Background/need: Gastrointestinal stapling continues to be limited by bleeding, variable compression and leak-related morbidity, especially in bariatric and hepatopancreatobiliary (HPB) surgery. The AEON™ stapler was developed to improve uniformity of compression and staple formation.

Methodology and device description: AEON™ uses an S3 (sustained, smooth and stable) compression mechanism to reduce tissue shear and optimise B-shaped staple formation. Evidence comes from a randomised controlled trial in sleeve gastrectomy, a large bariatric cohort and observational HPB series.

Preliminary results: Across 1, 848 bariatric cases, only one staple-line leak occurred, and 428 consecutive AEON™ cases had no stapler-related complications. A sleeve gastrectomy trial showed significantly reduced intraoperative bleeding. In a 250-patient comparison, reinforcement was required in 16.8% of AEON™ cases versus 100% using a tri-staple device. Distal pancreatectomy with AEON™ showed a pancreatic fistula rate of 20% compared with 65% for traditional staplers, and major hepatectomy was completed without transfusion in any AEON™ case.

Current status: AEON™ is in active clinical use with early results supporting improved haemostasis and postoperative outcomes. Larger prospective studies are underway.

Clinical Relevance: This mini review consolidates the AEON laparoscopic surgical stapler’s translational rationale and early clinical performance across two of the most demanding stapling environments: thick gastric tissue in bariatric surgery and delicate, highly vascular parenchyma in HPB surgery. For surgeons evaluating surgical stapler platforms, the synthesis links a defined engineering mechanism, the S3 sustained-smooth-stable compression sequence, to consistent B-shaped staple formation and improved hemostasis. The author positions these outcomes as evidence of design-driven performance rather than incremental iteration, while noting the evidence base remains heterogeneous and that larger multicenter prospective studies are underway.

The Practical Takeaway: across both bariatric and HPB applications, the AEON laparoscopic surgical stapler demonstrated reliable staple-line integrity, reduced reinforcement dependence, and lower fistula rates than comparator platforms in the cited series.
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