jacket

jacket (jak´et)

1. A fixed bandage applied around the body in order to immobilize the spine. 2. In dentistry, a term commonly used in reference to an artificial crown composed of fired porcelain or acrylic resin. [M.E., fr. O.Fr. jaquet, dim. of jaque, tunic, fr. Jacques, nickname of Fr. peasants.]
Minerva j. a plaster of Paris body cast incorporating the head and trunk, usually for fracture of the cervical spine.
Sayre's j. a plaster of Paris j. applied while the patient is suspended by the head and axillae.
straight j. See straight j.

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