Why are sutures called catgut?
Catgut suture is straw-colored, and is available in sizes USP 6-0 (1 metric) to USP 3 (7 metric). Although the name implies the usage of guts of cats, there is no record of feline guts being used for this purpose. The word catgut is derived from the term kitgut or kitstring (the string used on a kit, or fiddle).
How was catgut discovered?
He thought several kinds of sutures on abdominal wounds and found first medical string to dissolve in the body named catgut on intestinal surgeries. He discovered and used the metallic syringe to inject medication into the bladder first time (8, 9).
Is cat gut used for sutures?
Catgut and collagen are the two most well-known natural materials for absorbable sutures. Both catgut and reconstituted collagen sutures share similar biochemical origin: collagen.
When did they stop using catgut?
Every string has a core — in the 1990s, string makers replaced catgut with synthetic fibers, designed to mimic the warmth of the catgut, or steel — and a winding made of steel, aluminum, or tungsten.
Where is catgut suture from?
Catgut is extracted from the intestines of sheep or goats. There are two types used for sutures: plain and chromic. Both are monofilament type. Chromic is treated with chrome salts (brown color) which slows the absorption process in the body and minimizes the tissue reaction in surrounding tissues.
When was catgut invented?
They were first described as far back 3000 BC in ancient Egyptian literature. For centuries they were made from plant materials like hemp, or cotton or animal material such as tendons, silk, and arteries. The material of choice for many centuries was catgut, a fine thread woven from sheep intestines.
What was catgut used for?
catgut, tough cord made from the intestines of certain animals, particularly sheep, and used for surgical ligatures and sutures, for the strings of violins and related instruments, and for the strings of tennis rackets and archery bows.
What is a catgut in medicine?
Medical Definition of catgut : a tough cord made usually from sheep intestines and used especially for sutures in closing wounds.
What is a nylon suture?
Nylon sutures are also known as polyamide sutures. Nylon sutures are monofilament sutures and are remarkably smooth, soft and gives excellent knot security. Nylon sutures are non-absorbable sutures and possess excellent tensile strength. Nylon sutures are available in black colour.
What were the original catgut sutures were made of?
When was the catgut invented?
Why is nylon used in surgery?
Nylon sutures have excellent knot security properties and can be easily removed with no tissue adherence. These sutures are infection resistant. Nylon sutures are widely used for general closure, skin and plastic surgery.