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A scalpel, lancet, or bistoury is a small and extremely sharp bladed instrument used for surgery, anatomical dissection, podiatry and various handicrafts. A lancet is a double-edged scalpel. Scalpel blades are usually made of hardened and tempered steel, stainless steel, or high carbon steel; in addition, titanium, ceramic, diamond and even ...
Surgical instrument. 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.
This page is dedicated specifically to listing surgical instruments used in general surgery. Instruments can be classified in many ways - but broadly speaking, there are five kinds of instruments. Cutting and dissecting instruments: Scalpels, scissors, and saws are the most traditional. Elevators can be both cutting and lifting/retracting.
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. Some have tungsten carbide reinforcements along their cutting edges, the hardness of which allows manufacturers ...
Curved-bladed Mayo scissors allow deeper penetration into the wound than the type with straight blades. The curved style of Mayo scissor is used to cut thick tissues such as those found in the uterus, muscles, breast, and foot. Mayo scissors used for dissection are placed in tissue with the tips closed. The scissors are then opened so that the ...
Katz extractor. to remove nasal foreign body. Bull's eye lamp. source of light; exiting lens is convex and produces a divergent beam of light. Speculum. to dilate orifices and to see inside. •Thudichum's nasal speculum. -do-; short blades ( uses: anterior rhinoscopy - to see the Little's area, ant-inferior part of nasal septum, anterior part ...
Retractor (medicine) A retractor is a surgical instrument used to separate the edges of a surgical incision / wound or to hold away certain organs and tissues (i.e. to provide tissue retraction) so that body parts underneath may be accessed during surgical operations. [1]
The Liston knife is a type of knife used in surgical amputation. The knife was named after Robert Liston, [1] a Scottish surgeon noted for his skill and speed in an era prior to anaesthetics, when speed made a difference in terms of pain and survival. The knife was made out of high-quality metal and had a typical blade length of 6–8 inches.
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