Minimally invasive surgery (MIS) is a less invasive procedure compared to traditional open surgery. It usually involves laparoscopic devices and remote control manipulation instruments comprising an endoscope for indirect observation of the surgical field. Interventional radiology (IVR) is one of the MIS methodologies. The IVR procedures include diagnosis such as angiograms, and treatment. The IVR procedures use small tubes called catheters, which are inserted through the body cavity or blood vessel to the treatment area. The IVR procedures lead to the risk of X-ray exposure to surgeon since the procedures is using the digital subtraction angiography device to get clear image of the patient blood vessel. Therefore, we have developed a foolproof tele-operated system to guide the catheter. Hence, the reliability in IVR procedure is crucial. The system is based on a mechatronic design methodology characterized by a principle solution specified in CONSENS® (CONceptual design Specification technique for the ENgineering of complex Systems). This principle solution serves as a basis for the first analysis and verification on the system level. Further, the proposed concept of control system can also be re-used in the other foolproof guidance systems.
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