7884079647
2013
Editor: KAŹMIERCZAK).
- In the sagittal piane the monitor should be placed just below eye level to avoid neck strain.
The location of the monitor presented above, is associated with two problematic conseąuences: firstly, each additional monitor increases the cost of purchasing a laparoscopic eąuipment (cost of monitor for laparoscopic procedures is about 20 to 30 times higher than a traditional monitor), secondly the layout of the monitors in a specific position, especially below the linę of sight causes huge changes in the organization of the whole workplace. Traditionally, the monitor is located above the eąuipment due to the concentration of people and devices at the operating table.
The third area
The manner of performing laparoscopic procedures depends on the design of surgical instruments, especially on the shape of the handgrip and the tool length.
There were observed unergonomic patterns of tool grips that are not adapted to the shape and size of the hand and the motor abilities of surgeons' upper limbs, what leads to fatigue, discomfort and paresthesia of hands [12].
The shape of the laparoscopic instruments and the way of using them determine the unusual positions of arms, hands and fingers. There are available different types of handles for use in minimally invasive surgery indeed. However, the principle of using them is similar, based on the positioning tools maneuvering hands and fingers which may lead to the local pressure and the injuries or nerve irritation [13].
Few studies have been conducted in the frame of designing and validation of correctness of usage of ergonomie laparoscopic instruments. An example might be a prototype of the gripper tool that was designed basing on the analysis and evaluation of current tools in combination with the opinion of the surgeons. There was developed a special survey containing ąuestions identifying problems related to using traditional instruments, and ąuestions evaluating ergonomics of prototype tool. The illustrations of the prototype as well as the detailed results of the study are presented in [14], Another example is an ergonomically designed grasper described in details in [15].
The fourth area
Laparoscopic surgery enforces certain patterns of behavior of doctors. They are often associated with psychological stress and mental fatigue. The factors causing this phenomena are:
- activities under pressure of effectiveness and speed while performing the surgery which should be transformed to reduction of procedurę cost [12],
- inerease of the technical complexity of the surgical eąuipment and a high degree of difficulties of even simple procedures, resulting the necessity of inereased attention while whole surgery and the severity of pain and fatigue by medical Staff [16, 17, 18],
- remote access and changing in the observation of the operating field which enforces unnatural behavior of surgeons in a sense that they do not direct the vision on the patient (which is a natural behavior and for longtime practitioners the subconscious impulse) but
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