Читать книгу Surgery of Exotic Animals - Группа авторов - Страница 26

Electrocautery uses direct current electricity to heat metal until it is red hot. The red hot tip is applied to the source of hemorrhage to heat and coagulate tissues. Electrocautery causes heat damage to adjacent tissues that then undergo necrosis minimizing its value in many situations. Cautery pens (Convenient Cautery Kit; Jorgensen Labs; www.jorvet.com) may be useful to cauterize small vessels in small exotic mammals if electrosurgery is not available. They have a fine wire tip and are battery‐operated. Keep in mind that the longer the heat is applied to the tissue, the more thermal necrosis occurs.

Figure 1.3 Straight and right‐angled hemostatic clip appliers are available. Compared with the standard applier (a), the right‐angled appliers (b) can be inserted into a small body cavity to place a hemostatic clip at nearly a right angle, while the standard applier requires the handles to be almost perpendicular to the vessel, making it difficult to place through a small approach into a body cavity.

Figure 1.4 A “hemostatic taco” made of gelatin sponge (G) wrapped in oxidized, regenerated cellulose (S) and soaked in topical thrombin has been applied to the caudal vena cava (arrow) after right adrenalectomy.