Page 18 - Zoo Animal Learning and Training
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Chapter 1: Neurosurgical Instrumentation 9
Figure 1.18 A variety of fine‐tipped scissors are used in neurosurgery to cut
fine, delicate tissues. Iris scissors (left) have sharp tips and are available in
varying sizes. Tenotomy scissors (center) are available as straight or curved
instruments and also come in a variety of sizes. Potts scissors (right) have a
sharp tip and are angled, typically at 45°. They are designed for vascular
incisions where the bottom jaw is inserted within the lumen but can be use-
ful for durotomy.
Figure 1.21 A variety of bone‐holding forceps: clamshell (top), sharp‐blunt
(bottom left), Kern (bottom center), and sharp‐sharp (bottom right). Bone‐
holding forceps can grasp the dorsal transverse processes or other portions
of the bone during spinal distraction procedures or fracture repair.
Figure 1.19 Nerve hook.
Figure 1.20 Lamina spreaders are equipped with small teeth at their tips
and a ratchet mechanism that allows hands‐free distraction of adjacent ver- Figure 1.22 Towel clamps are occasionally used to provide distraction dur-
tebrae. They are used for spinal distraction/stabilization procedures. ing spinal distraction or fracture repair.
