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Acheson records a case of luxation of the cervical spine with recovery after the use of a jury-mast. The patient was a man of fifty-five, by trade a train-conductor. On July 10, 1889, he fell backward in front of a train, his head striking between the ties;the brake-body caught his body, pushing it forward on his head, and turned him completely over. Three trucks passed over him.

When dragged from beneath the train, his upper extremities were paralyzed. At noon the next day, nineteen hours after the accident, examination revealed bruises over the body, and he suffered intense pain at the back of the neck and base of the skull. Posteriorly, the neck presented a natural appearance; but anteriorly, to use the author's description, his neck resembled a combined case of mumps and goiter. The sternomastoid muscle bulged at the angle of the jaw, and was flaccid, and his "Adam's apple" was on a level with the chin. Sensation in the upper extremities was partially restored, and, although numb, he now had power of movement in the arms and hands, but could not rotate his neck. A diagnosis of cervical dislocation was made, and violent extension, with oscillation forward and backward, was practiced, and the abnormal appearance subsided at once. No crepitus was noticed. On the fourth day there was slight hemorrhage from the mouth, which was more severe on the fifth and sixth days. The lower jaw had been forced past the upper, until the first molar had penetrated the tissues beneath the tongue. Aplaster-of-Paris apparatus was applied, and in two months was exchanged for one of sole-leather. In rising from the recumbent position the man had to lift his head with his hands. Fifty days after the accident he suffered excruciating pain at the change of the weather, and at the approach of a storm the joints, as well as the neck, were involved. It was believed (one hundred and seven days after the accident) that both fracture and luxation existed. His voice had become guttural, but examination of the fauces was negative. The only evidence of paralysis was in the fingers, which, when applied to anything, experienced the sensation of touching gravel. The mottling of the tissues of the neck, which appeared about the fiftieth day, had entirely disappeared.

According to Thorburn, Hilton had a patient who lived fourteen years with paraplegia due to fracture of the 5th, 6th, and 7th cervical vertebrae. Shaw is accredited with a case in which the patient lived fifteen months, the fracture being above the 4th cervical vertebra.

In speaking of foreign bodies in the larynx and trachea, the first to be considered will be liquids. There is a case on record of an infant who was eating some coal, and being discovered by its mother was forced to rapidly swallow some water. In the excitement, part of the fluid swallowed fell into the trachea, and death rapidly ensued. It is hardly necessary to mention the instances in which pus or blood from ruptured abscesses entered the trachea and caused subsequent asphyxiation. A curious instance is reported by Gaujot of Val-de-Grace of a soldier who was wounded in the Franco-Prussian war, and into whose wound an injection of the tincture of iodin was made. The wound was of such an extent as to communicate with a bronchus, and by this means the iodin entered the respiratory tract, causing suffocation. According to Poulet, Vidal de Cassis mentions an inmate of the Charite Hospital, in Paris, who, full of wine, had started to vomit; he perceived Corvisart, and knew he would be questioned, therefore he quickly closed his mouth to hide the proofs of his forbidden ingestion. The materials in his mouth were forced into the larynx, and he was immediately asphyxiated.

Laennec, Merat, and many other writers have mentioned death caused by the entrance of vomited materials into the air-passages. Parrot has observed a child who died by the penetration of chyme into the air-passages. The bronchial mucous and underlying membrane were already in a process of digestion.

Behrend, Piegu, and others cite analogous instances.