Firm support due to a shell at the front with chin and sternal support and a shell at the back with occipital and upper dorsal support. The shells are held together by Velcro fastening. Radio-transparent. With anterior tracheal opening.
a:3:{i:0;a:2:{s:4:"name";s:25:"Degree of immobilization:";s:3:"val";s:2:"C4";}i:1;a:2:{s:4:"name";s:8:"Options:";s:3:"val";s:14:"with chin rest";}i:2;a:2:{s:4:"name";s:24:"Type of cervical collar:";s:3:"val";s:5:"rigid";}}