Collar Support（Brown）The opening is in front of neck. Specifications: Adults, Large, Medium and Small The product uses high polymer material and is easy and comfortable to use. Indications: post-operation fixation of cervical vertebra, pure fracture, dislocation fracture, emergency treatment of cervical vertebra, and reduction and fixation for dislocation of cervical vertebra and so on. There is a large-size throat port in the front, which is applied to cervical support after tracheotomy.