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Cheaper and simpler keyhole surgery

ed in keyhole surgery. Two mechanical arms, provided with artificial 'wrist joints' for extra freedom of movement, transmit the surgeon's hand movements exactly onto the instruments. This is achieved using rods, cables and parallelogram constructions.

This mechanical manipulator thus fulfils a similar function to the surgical robot systems, but in a simpler and cheaper manner. In a test carried out with experienced medical students, the manipulator was compared to the existing (rigid) instruments. This study showed that far fewer actions were needed when using the manipulator and that fewer mistakes were made than with the existing instruments.

Jaspers will now further develop this mechanical manipulator, supported by funding from the Ministry of Economic Affairs and in collaboration with engineering firms. Work on his camera and instrument holder is now complete and it will be commercially available in the near future.


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Source:Delft University of Technology


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