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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 ...
Hand surgery emerged as a specialty during World War II, and the tools used by early hand surgeons remain in common use today, and many are identified by the names of those who created them. [4] Individual tools have diverse history development. Below is a brief history of the inventors and tools created for five commonly used surgical tools.
A harmonic scalpel cuts via vibration. The scalpel surface itself cuts through tissue by vibrating in the range of 55,500 Hz. The high frequency vibration of tissue molecules generates stress and friction in tissue, which generates heat and causes protein denaturation. This technique causes minimal energy transfer to surrounding tissue ...
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. Scalpels, scissors, and saws are the most traditional. Elevators can be both cutting and lifting/retracting.
Electrosurgery is the application of a high-frequency (radio frequency) alternating polarity, electrical current to biological tissue as a means to cut, coagulate, desiccate, or fulgurate tissue. [1][2][3][4][5][6][7] (These terms are used in specific ways for this methodology—see below.) Its benefits include the ability to make precise cuts ...
A surgical suture, also known as a stitch or stitches, is a medical device used to hold body tissues together and approximate wound edges after an injury or surgery. Application generally involves using a needle with an attached length of thread. There are numerous types of suture which differ by needle shape and size as well as thread material ...
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]
A curette is a surgical instrument designed for scraping or debriding biological tissue or debris in a biopsy, excision, or cleaning procedure. In form, the curette is a small hand tool, often similar in shape to a stylus; at the tip of the curette is a small scoop, hook, or gouge. The verb to curette means "to scrape with a curette", and ...
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