Basic requirements for medical absorbent gauze
Basic requirements for medical absorbent gauze block:
The base material of medical gauze block is medical degreasing gauze, which should meet the requirements of yy0331-2002 standard. The gauze block should be soft, odorless and tasteless; the gauze block should be folded and flat without burr, exposed stubble and loose thread; the medical gauze block can be divided into folded edge, non folded edge, flat shape, tufting, cutting, with display line and without display line. From the packaging, it can be divided into sterilized and non sterilized gauze.
How to choose gauze block?
1. According to the use, the appropriate size can be selected according to the size of the wound;
2. According to the different ways of use, the operating room can choose to fold the edge, with the development line (the main function is to develop under X-ray, to avoid missing the body).
How to identify the quality of gauze block?
Myth: the thicker the better
The gauze block is woven from cotton yarn on air jet / shuttle loom, degreased and bleached, dried, cut and folded into required size and thickness, and then packaged. The thickness of gauze has a great relationship with the number of layers and the thickness of yarn.
Yarn index of gauze block
1. British yarn count (NE) - under the constant moisture regain, the multiple of 840 yards of 1-pound yarn length, that is to say, 1-pound yarn is 840 yards long, which is a yarn, the length of 1-pound yarn is 21 × 840 yards, and the yarn fineness is 21, which is written as 21s. The British count is fixed weight system, so the larger the