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Emergency immobilizers consisting of a rigid collar designed for maximum restriction of movements and/or total immobilization of a child\'s head and cervical vertebrae. These devices usually consist of rigid collars made of light metallic or hard plastic radiolucent materials. The immobilizer permits quick placement around the neck and a hole for easy access to the trachea. Rigid-collar cervical spine immobilizers restrict head, neck, and cervical spine anterior-posterior motion to a great degree. The collar frequently permits its attachment to a whole-body board immobilizer or to a stretcher, providing additional restriction of the body movement. Pediatric extrication collars are mainly used after traumatic vehicle accident injuries to facilitate safer and easier transportation and/or diagnosis, and ease of access to radiographic procedures.
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