Lead: Incorrect seat belt wearing not only can not give a passenger protection in a vehicle collision, it will cause additional damage, such as cervical spine fracture, rib fractures, sternum fractures, injuries and other hollow organs.
Now commonly used in car seat belt on our three-point seat belts, in 1958 by the Swedish Volvo engineer Nils Bohlin's invention. Three-point seat belt is very important automobile passive safety device, its principle is to detect the acceleration of the webbing pulled out to lock the webbing. If the webbing is pulled out of the acceleration are too high, so that the shaft speed is too fast acceleration detectors feel the centrifugal force greater than the spring tension on the latch, then latch was thrown, so that the shaft is death card can not continue to be the webbing withdrawn. On the contrary, as long as the ribbon relax spring latch is pulled back, the shaft will be released, the seat belt will be relaxed.
This three-point seat belt when worn note the following: belt belt belt should cross across your upper thighs, not the stomach for securing your oblique shoulder belt should be across your middle , close to your chest to the clavicle should buckle down on the side rather than the if necessary, adjust the belt make sure the seat belt is no other thing in pestered or pressing, and is not twisted before fastening . If necessary, try to tighten the seat belt properly.
Properly wear seat belts can give the passenger in the vehicle collision some protection, but wrong to wear it will cause additional damage. Oblique position with the seat belt is too high may result in the carotid artery, or throat injury atlantoaxial arch the position is too low may cause the sternum, ribs, vertebrae fractures. Le fascia in the abdomen may cause organ damage and empty strong abdominal wall rupture.
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