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Cutting
Surgery I
Question | Answer |
---|---|
Name the oldest surgical instrument | Knives |
Difference btw No. 3 and No. 7 scalpel handles | No. 3 Handle (either short or long for cutting heavy, deep, tough tissue; short handle is generally for the skin knife); No. 7 Handle (more slender handle for delicate cutting) |
Shape & purpose: No. 10 blade | general purpose; incise skin for larger wounds; cutting surface is at midpoint btw tip of the blade and its attachment on handle; often used with No. 3 handle as skin knife |
Shape & purpose: No. 15 blade | small blade, cutting edge is close to the tip; fine, delicate cutting |
Shape & purpose: No. 11 blade | Stab Blade; pointed straight blade used for placing punctures in tissues |
Shape & purpose: No. 12 blade | Hook Blade; frequently used to make the initial cut in the side of a vessel, to avoid going all the way through the opposite wall |
5 basic types of surgical scissors | Straight Mayo (Suture Scissors); Curved Mayo; Metzenbaum (Metz); Chest Scissors; Wire Cutters |
Straight Mayo (Suture Scissors) | heavy, blunt tip with a straight blade used for cutting surgical materials. |
Curved Mayo | similar to straight mayo except that the blade is curved; used for cutting heavy, thick tissue. |
Metzenbaum (Metz) | finer, curved, scissor used to cut and dissect more delicate tissue. “All purpose dissection scissors.” |
Chest Scissors | long scissors slightly heavier looking than Metz used for deep cutting and dissection. |
Wire Cutters | angled blunt scissors used to cut wire and other surgical material |