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A Novel Isobaric (Gas-Less) Laparoscopic Surgery Device.

Surgical Innovation 2023 September 30
BACKGROUND: Laparoscopic Surgery is performed using carbon dioxide gas insufflated into the abdominal cavity to create a space for endoscopic visualization. During a laparoscopic surgical dissection plume is formed from electrocautery dissection. This plume contains viruses and sometimes COVID-19 viruses. The plume obscures the visual field. The unfiltered plume release is dangerous to surgeons, nurses, and patients. The loss of visualization during carbon dioxide release delays surgery. The use of carbon dioxide insufflated gas can have side effects such as C02 embolus, pain from diaphragmatic stretching, physiological complications such as respiratory infections and renal problems. The release of carbon dioxide gas into the atmosphere, unfiltered is significant. This accounts for 7% of greenhouse gases globally. This percentage is rising due to expansion of minimally invasive surgery.

METHODOLOGY: The proposed system for gasless surgery was designed by algorithms of tensegrity and geodesic dome pressures.

EXPERIMENT RESULTS: 100 simulator studies were performed to develop the device to elevate the abdominal wall to create a gas free (isobaric) space for Laparoscopic Surgery. After design freeze, 4 animal studies were performed using ethical research guidelines at Amsterdam Medical Centre Research Department, Netherlands. 3 cadaveric studies were performed using Ethical guidelines at Hackensack University Medical Centre, New Jersey, USA, to evaluate the device in a human setting.

CONCLUSIONS: These devices for Laparoscopic Surgery, Robotic Surgery, and Hand Assisted Laparoscopic Surgery (HALS) successfully proved that a superior intra-abdominal space can be created without carbon dioxide insufflation. The devices are patented in USA and Europe.

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