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Hasson Cannula
□ Fig. 6.1. Mini-laparoscopic instruments with Veress cannula, mini-trocar and mini-telescope (diameter of 1.9, 2.7 and 1.9 mm, respectively) for use in children
Hasson Cannula

□ Fig. 6.2. Small, infraumbilical incision under elevation of the periumbilical skin. Through the incision, the abdomen may be directly punctured with the Veress cannula (classical approach)

□ Fig. 6.3. Alternatively, for safety reasons, the peritoneum is dissected and incised under direct vision before the trocar is inserted directly into the abdominal cavity (Hasson technique)

□ Fig. 6.2. Small, infraumbilical incision under elevation of the periumbilical skin. Through the incision, the abdomen may be directly punctured with the Veress cannula (classical approach)

□ Fig. 6.3. Alternatively, for safety reasons, the peritoneum is dissected and incised under direct vision before the trocar is inserted directly into the abdominal cavity (Hasson technique)

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