Spear
Spear (medical)
Spear (/spiːr/), in the medical context, is a term used to describe a surgical instrument used for cutting or puncturing. The term is derived from the Old English word "spere", meaning a sharp or pointed instrument.
Usage
In surgery, a spear is often used to make small incisions or punctures in the skin or other tissues. This can be for a variety of reasons, such as to drain fluid, remove tissue, or insert a tube or other device. The spear is typically made of a durable and sterilizable material like stainless steel, and it may have a handle for ease of use.
Related Terms
- Scalpel: A small, sharp knife used in surgery for cutting or dissecting tissue.
- Lancet: A small, broad two-edged surgical instrument or knife with a sharp point, used to puncture or make an incision.
- Trocar: A medical instrument with a sharply pointed end, often three-sided, used inside a cannula to introduce this into blood vessels or body cavities.
Etymology
The term spear comes from the Old English "spere", which referred to any sharp or pointed instrument. The use of the term in a medical context dates back to at least the 19th century, when it was used to describe a type of surgical knife.
Pronunciation
The word spear is pronounced as /spiːr/.
External links
- Medical encyclopedia article on Spear
- Wikipedia's article - Spear
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