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. 2023 May 22;37(8):6452–6463. doi: 10.1007/s00464-023-10134-6

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Fig. 2 — Side-to-side Magnet System (MS) duodeno-ileostomy: the distal MS magnet is endoscopically positioned at the ligament of Treitz and directed through the jejunal lumen to the ileum with laparoscopic assistance by a magnetic positioning device (a); the distal magnet is raised anterior and latero-lateral to the post-pyloric duodenum to align with the endoscopically delivered proximal MS magnet (b); Petersen’s defect is closed and a sleeve gastrectomy is performed (c). In 5–7 days magnets are fused; in several weeks, the patent DI anastomosis is formed; the magnet pair is expelled naturally, and food transits through duodenum and ileum (d)