A cost-effective milestone training model based on 3D printed for laparoscopic Roux-en-Y gastric bypass

1 Introduction Laparoscopic Roux-en-Y gastric bypass (LRYGB), a well-accepted bariatric surgery, can not only achieve a lasting and stable weight-loss effect, but also significantly improve the metabolic complications of obesity, making it the gold standard for the treatment of morbid obesity.1–3 Mo...

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