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The laparoscopic Veress needle is a specialized instrument used in laparoscopic surgery to create the initial access point (pneumoperitoneum) into the abdominal cavity. It is typically used before inserting the trocars (hollow tubes) through which the laparoscopic instruments and camera are introduced.
Here's how the laparoscopic Veress needle is used:
4. Insufflation: With the needle confirmed in the correct position, carbon dioxide (CO2) gas is attached to the Veress needle, and insufflation is initiated. The gas fills the abdominal cavity, creating a pneumoperitoneum, which lifts the abdominal wall away from the underlying organs, creating a working space for the laparoscopic instruments.
It's important to note that the laparoscopic Veress needle technique requires proper training and experience to ensure safe and accurate placement. Complications, although rare, can include injury to blood vessels or organs during needle insertion. Surgeons may choose alternative methods for accessing the abdominal cavity, such as the open Hasson technique or optical trocars, depending on the patient's condition and the surgeon's preference.