Chapter 7 FIG 7-1 Scalpel handles (left, No. 3; right, No. 4) and blades (top to bottom): Nos. 10, 11, 12, 15, and 20. FIG 7-3 Scissors. Left to right: stitch (suture removal), sharp-blunt, Metzenbaum, Mayo, wire, and tenotomy. Needle holders may be held using a palmed grip (no fingers are placed in the rings, and the upper ring rests against the ball of the thumb [Fig. 7-5]), a thenar grip (the upper ring rests on the ball of the thumb, and the ring finger is inserted through the lower ring [Fig. 7-6]), a thumb-ring finger grip (thumb is placed through the upper ring and the ring finger through the lower ring [Fig. 7-7]), or a pencil grip (index finger and thumb rest on the shafts of the needle holder [Fig. 7-8]), which is used with Castroviejo needle holders. The palmed grip is most advantageous for suturing tough tissue that requires a strong needle-driving force; however, the needle cannot be easily released and regrasped after a stitch without changing to another grip, making suturing less precise.
Surgical Instrumentation
Instrument Categories
Scalpels
Scissors
Needle Holders
Surgical Instrumentation
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