orthesis

orthosis

 [or-tho´sis] (Gr.) an orthopedic appliance or apparatus used to support, align, prevent, or correct deformities or to improve function of movable parts of the body. See also brace and splint.cervical orthosis a rigid plastic orthosis that encircles the neck and supports the chin and the back of the head; used in the treatment of injuries to the cervical spine.Cervical orthoses. A, Soft foam collar. B, Firm plastic collar.Cervical orthoses offering rigid support to the cervical spine: A, Halo-type cervical orthosis attached to a polyethylene jacket. B, Four poster orthosis.dynamic orthosis an orthosis that both gives support and aids in the initiation and performance of movement by a body part.flexion orthosis (flexor orthosis) tenodesis splint.

or·the·sis

(ōr-thē'sis), Rarely used term for an orthopedic brace, splint, or appliance. [ortho- + -esis, process]

or·tho·sis

, pl. orthoses (ōr-thō'sis, -sēz) An external orthopedic appliance, as a brace or splint, that prevents or assists movement of the spine or the limbs.
Synonym(s): orthesis. [G. orthōsis, a making straight]