. Fig. 302.—Gastrotomy. Va, Skin ; Im, 2m, muscular layers ; Pe, peritoneum ; R, rumen, showing line of incision. extending from the. fourth transverse process of the lumbar vertebra towards the last rib. The operation comprises the following stages:— First stage. Incision through the skin for a dis- tance of from 6 to 10 inches, according to the size of the animal. Second stage. Incision through the muscles and peritoneum and torsion of any small muscular arte- rioles, which may be divided. Third stage. Fixation and immobilisation of the rumen with from four to six sutures (Fig. 303). Fourth
. Fig. 302.—Gastrotomy. Va, Skin ; Im, 2m, muscular layers ; Pe, peritoneum ; R, rumen, showing line of incision. extending from the. fourth transverse process of the lumbar vertebra towards the last rib. The operation comprises the following stages:— First stage. Incision through the skin for a dis- tance of from 6 to 10 inches, according to the size of the animal. Second stage. Incision through the muscles and peritoneum and torsion of any small muscular arte- rioles, which may be divided. Third stage. Fixation and immobilisation of the rumen with from four to six sutures (Fig. 303). Fourth stage. Vertical incision into the rumen; manual examination of the cavity and its contents. Formerly the operation was confined to these stages. In such cases localised adhesive peritonitis follows, causing the rumen to adhere to the internal surface of the abdominal wall, and the fistula con- tinues in existence for months before complete cicatrisation. It is better, therefore, to insert sutures in the rumen, in order to secure more rapid and complete closure. Fifth stage. Suture of the rumen with carbolised silk. The lips 3 B 2
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectveterin, bookyear1920
