7884079648
2013
SYSTEMS SUPPORTING PRODUCTION ENGEINEERING
on the monitor where the operating field (on a fiat screen) in various degrees of resolution and picture quality is displayed.
According to studies, psychological burden of surgeons performing laparoscopic procedures is much higher in comparison to open surgical techniąues [8],
The fifth area
Laparoscopic procedures are characterized by limited mobility and surgeons' high static load during the operations. These circumstances reąuire new technologies and Solutions for how to perform procedures that could enhance the comfort of the surgeon. One of such Solutions is the auxiliary eąuipment for surgeons working in the field of minimally invasive treatments such as ergonomie surgical chairs. There was identified only a few propositions in this field.
One of them is an operating chair so called ETHOS platform of ETHOS Surgical enterprise, USA used for laparoscopic surgery [19].
The chair consists of the an integrated seat with adjustable support for the chest. It also includes two individually adjustable armrests and footrests. There was carried out a clinical evaluation of the chair which was clearly positive and indicates that the chair may help minimize the mental and physical stress for the surgeon [20],
Another solution is a chair which allows the surgeon to maintain partly standing and partly sitting position during the operation. As in the previous case, the chair is integrated with the pedals which are comparable to the pedał in the car. Adjustment of the height of chair is driven by electric motors, controlled by a special footswitch. Initial clinical examination of usefulness of the chair indicates that its application reduces fatigue and effectively support the surgeon during long endoscopic procedures [21],
There is proposed by Medisign a similar support construction for both open and minimally invasive procedures. The prototype was evaluated based on seven surgical procedures. In addition a method for electromyography (EMG) to assess muscle activation in back and legs at an experimental setting was used. Results: Six of the seven doctors participated in the experiment indicated that the supported body position is comfortable, safe, and the chair is easy-to-use. EMG results show that the support construction effectively reduces the activity of the muscles [22],
1.3 DISCUSSION ABOUT THE ERGONOMIC LEVEL IN LAPAROSCOPIC PROCEDURES - PRELIMINARY RESULTS OF EMPIRICAL STUDIES
There was summarized the preliminary results of empirical research in the field of ergonomics in laparoscopic procedures. The summary has become the basis for the discussion on the role of ergonomics in laparoscopic surgery, as well as the surgeons' ergonomie awareness and finally training needs for improvement in this area. The discussion is mainly based on the answers of 41 laparoscopic surgeons obtained through the survey research (see p. 1). Wherein, the questionnaire was divided into six major areas: personal data, experience in laparoscopic surgery, course features, level of knowledge, problems of ergonomics and training needs. The surveys were complemented by unstructured interviews touching the issues raised in the questionnaire and observations of two laparoscopic procedures.
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