Creation and establishment of a respiratory liver motion simulator for liver interventions

Medical Physics
Sascha A MüllerBruno M Schmied

Abstract

Image-guided surgery and navigation have resulted from convergent developments in radiology, teletransmission, and computer science and are well-established procedures in the surgical routine in orthopedic, neurosurgery, and head-and-neck surgery. In abdominal surgery, however, these tools have gained little attraction so far. The inability to transfer the methodology from orthopedic or neurosurgery is mainly a result of intraoperative organ movement and shifting. To practice and establish navigated interventions in the liver, a custom-designed respiratory liver motion simulator was built which models the human torso and is easy to recreate. To simulate breathing motion, an explanted porcine or human liver is mounted to the diaphragm model of the simulator, and a lung ventilator causes a periodic movement of the liver along the craniocaudal axis. Additionally, the liver can be connected to a circulating pump device which simulates hepatic perfusion and provides real surgical options to establish navigated interventions and simulate management of possible complications. Respiratory motion caused by the simulator was evaluated with an optical tracking system and it was shown that in vitro movement and deformation of a liver mount...Continue Reading

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Citations

Aug 26, 2010·Journal of Pharmaceutical Sciences·Rampurna Prasad Gullapalli
May 14, 2010·The Journal of Surgical Research·Sascha Arian MüllerBruno M Schmied
Sep 22, 2009·The Journal of Surgical Research·Sascha A MüllerBruno M Schmied
Oct 10, 2018·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·Dezhi ZhangJie Yu
May 13, 2018·International Journal of Computer Assisted Radiology and Surgery·Xiaoyu TanChee-Kong Chui

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