Anatomy and Applications of the #15 Scalpel Blade and Its ...

Scalpels have been integral to performing skin incisions since the introduction of modern dermatosurgery. Among various scalpel blades, the #15 blade paired with the #3 handle (Bard-Parker handle) is the most commonly utilized choice by dermatological surgeons. While having the right equipment is crucial, mastering the technique is equally important to ensure a clean and accurate incision. This article will delve into the structure, variations, and diverse applications of the #15 scalpel blade, as well as the optimal methods for achieving a precise skin incision.

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NTRODUCTION

The scalpel is an indispensable tool in dermatology, primarily employed for skin incisions, tissue dissections, and various surgical procedures since the dawn of modern surgical practices.

Scalpel blades are available in numerous sizes, each designated by a specific blade number, corresponding to its intended function. These blades are typically constructed from hardened-tempered stainless steel or high carbon steel, ensuring durability and precision.

Within the field of dermatology, the #15, #10, and #11 blades are most frequently utilized due to their ability to create accurate incisions while prioritizing the cosmetic appearance, a critical factor for dermatosurgeons. This review focuses on the #15 scalpel blade, the most widely used blade globally. The composition of the blade is outlined as follows [Figure 1]:

Figure 1.

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Illustration of the #15 scalpel blade depicting its various components

1. Sharp tip.

2. Small, curved cutting edge.

3. A slot for fitting the scalpel handle, typically designed for a nonattached and replaceable blade. The key-like slot at the angled projecting base allows the blade to securely fasten to the handle by inserting or removing the end of the handle from the slot (referred to as 'arming' or 'disarming'), often aided by a stabilizing grasping instrument.

4. The spine of the blade serves as the unsharpened, sturdy edge.

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