Semiautomatic camera holding system for laparoscopic surgery (1996 - 2002)
In laparoscopic surgery especially the surgical assistant is strained by mostly static holding of the endoscope as well as by corresponding un-suitable body postures. Premature fatigue im-pairs an efficient and safe operation (by shifting and trembling of the endoscopic image, temporary loss of the focus or staining of the distal lenses by unintentional soft-tissue contact). Moreover, an additional camera assistant or a "third hand" respectively is necessary to hold the endo-camera. Partially, the simultaneous bimanual manipulation of the endo-camera and an instrument hinders exact preparation work.
Based on human factors as well as technical analysis, a modular surgical holding arm system has been developed. For the majority of endoscopic interventions, this system already significantly improves the situation described above. The PIEZOTEN-system can be operated with one hand by means of a control button on the endo-camera head. It is mounted on the standard rail of the operating table, draped by a standard sterile endo-camera drape and connected with the sterile quick adapter of the endoscope interface. The system proved to be a low cost very effective assistance in laparoscopic surgery. Investigations in other domains such as navigation in computer assisted surgery showed promising perspectives.
After successful conclusion of the veri--fication of electrical and mechanical safety of the overall system, the VDE approval for clinical trials has been achieved. Clinical testing has been successfully performed (for more information please refer to the publications incl. the research report)