Clinical feasibility of laparoscopic left lateral segment liver resection with magnetic anchor technique: The first clinical study from China

Figure 1 Y-Z magnetic anchor devices. A: Anchor magnet and the titanium alloy tissue grasping forceps; B: Magnetic grasping apparatus.

Figure 2 Magnetism test of the Y-Z magnetic anchor devices. A: Magnetism test equipment; B: The anchor magnet and target magnet in the test state; C: The magnetic force-displacement curve of the anchor and target magnet. AM: Anchor magnet; TM: Target magnet.

Figure 3 Magnetic anchor-assisted 5-port left lateral hepatic lobectomy operation procedure (patient 2). A: The layout of the abdominal wall port and the position of the anchor magnet; B: The magnetic anchoring device pulling the left lateral lobe of the liver to reveal the tumor lesion and the hepatogastric ligament; C: The left lateral lobe of the liver is shown under the magnetic anchoring device, which is transected at the hepatic pedicle of the left lateral lobe of the liver with a linear cutting and closure device; D: The left lateral hepatic lobe and gallbladder specimens that are resected. AM: Anchor magnet.

Figure 4 Magnetic anchoring-assisted transumbilical single-port laparoscopic left lateral hepatic lobectomy process (patient 5). A: The subumbilical single-port and the anchor magnet; B: The Y-Z magnetic anchor devices pulling the left lateral lobe of the liver to reveal the liver section; C: The linear cutting and closure device was used to cut off segment II and part of segment III of the left lateral lobe of the liver; D: The resected segment II and part of segment III of the left lateral lobe of the liver. AM: Anchor magnet.