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A surgical instrument is a medical device for performing specific actions or carrying out desired effects during a surgery or operation, such as modifying biological tissue, or to provide access for viewing it. [1] Over time, many different kinds of surgical instruments and tools have been invented.
Surgical cutting instruments are often made from 440 or 420 stainless due to its high hardness coupled with acceptable corrosion resistance. This type of stainless steel may be slightly magnetic. General surgical tools are made from other chromium-bearing stainless steels, such as 17-4 .
Access instrument. Used to create an opening into a space without opening the abdominal cavity. A camera is inserted through one to view the interior while instruments are inserted through the others to manipulate the organs. Ultrasonic energy device Surgical device typically used to dissect tissue, but also seals small vessels and tissue bundles
The earliest known drawing of a pivoting surgical instrument dates from 1500 B.C. and is on a tomb at Thebes, Egypt. Later Roman bronze and steel pivot-controlled instruments were found in Pompeii. In the ninth century A.D., Abulcasis made illustrations of pivoting instruments for tooth extraction. [2]
Disposable scalpels usually have a plastic handle with an extensible blade (like a utility knife) and are used once, then the entire instrument is discarded. Scalpel blades are usually individually packed in sterile pouches but are also offered non-sterile. Alternatives to scalpels in surgical applications include electrocautery and lasers.
Surgical scissors are scissors specially manufactured as surgical instruments, typically used for cutting sutures, dressings, and cutting and dissecting biological tissue. [ 1 ] [ 2 ] Surgical scissors are usually made of surgical steel.
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Surgical forceps are commonly made of high-grade carbon steel, which ensures they can withstand repeated sterilization in high-temperature autoclaves. Some are made of other high-quality stainless steel, chromium and vanadium alloys to ensure durability of edges and freedom from rust. Lower-quality steel is used in forceps made for other uses.