Scalpel

A scalpel, or lancet, is a small and extremely sharp bladed instrument used for surgery, anatomical dissection, and various arts and crafts (called a hobby knife). Scalpels may be single-use disposable or re-usable. Re-usable scalpels can have attached, resharpenable blades or, more commonly, non-attached, replaceable blades. Disposable scalpels usually have a plastic handle with an extensible blade (like a utility knife) and are used once, then the entire instrument discarded. Scalpel blades are usually individually packed in sterile pouches but are also offered non-sterile. Double-edged scalpels are referred to as "lancets".

Scalpel blades are usually made of hardened and tempered steel, stainless steel, or high carbon steel; in addition, titanium, ceramic, diamond and even obsidian knives are not uncommon. For example, when performing surgery under MRI guidance, steel blades are unusable (the blades would be drawn to the magnets) or may cause image artifacts. Scalpel blades are also offered by select manufacturers with a Zirconium Nitride coated edge to improve sharpness and edge retention. Others manufacture blades that are polymer coated to enhance lubricity during a cut. Alternatives to scalpels in surgical applications include electrocautery and lasers.

Read more about ScalpelSurgical Scalpels, Graphic Design and Arts and Crafts Blades, Ancient Scalpels, Scalpel Injuries

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