The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . ied tothat artery (Fig. 469), to the primitive carotid, to the commencement of thesubclavian, and to the principal branches v/hich issue from it, such as theinferior thyroid and the vertebral. To execute this procedure, make anincision two inches and a half or three inches in length through the integu-ments, along the interval which separates the sternal and clavicular attach-ments of the sterno-cleido-mastoid muscle. This interval is distinctlymarked by a depression above the sterno-clavi
The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . ied tothat artery (Fig. 469), to the primitive carotid, to the commencement of thesubclavian, and to the principal branches v/hich issue from it, such as theinferior thyroid and the vertebral. To execute this procedure, make anincision two inches and a half or three inches in length through the integu-ments, along the interval which separates the sternal and clavicular attach-ments of the sterno-cleido-mastoid muscle. This interval is distinctlymarked by a depression above the sterno-clavicular articulation. Separatethe internal from the external portion, while the head is slightly fiexedin order to relax the muscle; then, by turning over the sterno-hyoidand sterno-thyroid muscles inside, or by dividing them on a giooveddirector, which is preferable, one can perceive at the bottom of tlie wound 288 INJURIES OF BLOODVESSELS. the innominate, the comraon carotid, the pneumogastric nerve, and its branchthe recurrent laryngeal; and more externally and above, the phrenic nerve, Fiff. 469.«. Showing SOdillots method of tyiug the iuuoniiuate artery. (S6dillot.) the internal jugular vein, the trunk of the subclavian, and the origins of thevertebral, inferior thyroid, and internal mammary arteries.^ This procedure enables the surgeon to judge of the condition of the vesselsou which he operates, to modify his mancjeuvres according to their pathological state, and to expose, ligate, and divideFig. 470. between the two ligatures one or several arteries, to assure the success of his ope-il ?;;, ration. **£; 1 ..,.™,, Malices Transverse Ojyeration. — Make ^fe: an incision 9 centimetres (3J inches) in % length, extending from a point midway \ between the two sterno-mastoid muscles, toward the right shoulder, 1| centimetres, (about I inch) above the clavicle (Fig. 470), ^ through the skin and platysma myoides; then, on a grooved director, divide the sterno-mastoid as far a
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