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Excerpt
We analyzed the movements of the assistant surgeon in several operations. Based on this analysis, a concept for a mechatronic assisting device for camera control was developed. According to the requirements of clinical routine, a cheap and space-saving system was designed, which had to be manufactured from x-ray diaphanous materials and furthermore must only cause minimal electromagnetic interfering fields in the operation area. To achieve this, the actuation depends on an especially designed hydraulic system, which is manufactured from nonmetallic materials. The control system was constructed in such a way, that it can be operated through different user interfaces as well. Special attention was paid to the possibility of an intra-abdominal view all around, to be able to manage intraoperative exceptional circumstances. A first prototype was already evaluated in laboratory and animal trials.
An optimized version of the prototype regarding measurements, weight, and control is already manufactured. The results of the in vitro testing regarding handling, control, and precision will be presented.
