Device systematization and validation
Twelve (12) patients were chosen to assess the device function. During the surgical procedure, the abdominal wall of the right hypochondrium was punctured in the midclavicular line, 1.0 cm below the right costal margin, forming a 90º angle with the skin. The puncture was performed with a number 14 Jelco®, its needle was removed and the silicone remained for the passage of the liver biopsy needle.Two standard types of biopsy needles were used to perform the procedure: the permanent base needle, in which only the metal that enters the parenchyma is replaced, with the trigger being reused after sterilization (Fig. 16G Trucut Needles. A Permanent base needle. B Disposable needle