Abstract
The object of this research was to investigate the thermal injury in the liver after a minimally invasive devices with a titanium dioxide (TiO2), a chromium nitride (CrN) and a diamond-like carbon (DLC) surface modifications. In 3D computer-aided models, needle type monopolar device equipped with TiO2, CrN and DLC thin films were used to simulate cutting livers. Data indicated that the temperature decreased significantly when minimally device with nanostructured TiO2, CrN and DLC thin films were used. Thermography revealed that the surgical temperature was significantly lower in the minimally invasive device with DLC thin film compared to untreated device. On the other hand, DLC device created a relatively small thermal injury and lateral thermal area. This research reveals that the novel nanostructured thin film on electrode substrates is an effective means of improving the performance of reducing excessive thermal injury and uniformly distributing temperature in livers.
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