General surgical needles of the needle tip, the needle body and pinhole (the eye of a needle). Both round and triangle shape of tip, curvature of the needle body is divided into a curved, semi-curved and straight. The various types of surgical needles are precision instruments. Surgical selection of surgical needles, according to the vulnerability of the body tissues, organs and blood vessels, the selection must pay attention to the sharpness of the tip and the size of the eye of a needle.
To avoid the trauma of the organization; pay attention to the bending angle of the needle according to the depth of tissue organ parts, and selection. Triangle needle through the tissue is easy to tear the tissue, it is used in the tough connective tissue and skin. Many types of stitches used, currently used several are described below:
1 circular needle: mainly used in soft and easily penetrate the organization, such as the peritoneum, gastrointestinal tract and heart tissue, through the damage.
Triangular needle: suitable for tough tissue, the tip of the triangle, the needle body part is circular.
3 triangle angle needle: the site of the tip to the strip line are triangular, used to penetrate the tough and hard to penetrate the organization, such as fascia and skin.
Metal wallet: this metal wallet loaded special nail-making tray, with a special holding clamp clamp metal wallet, used for skin closure and orthopedic surgery.
No damage to the needle: this type of needle attached to both ends of the suture used for vascular anastomosis and tubular or circular structure, but also for the continuous suture, intestinal anastomosis and heart surgery, curved and straight shaped two.
Lead pin: handle, front for oblate blunt curved tip and needle body, deep tissue vascular ligation, easy to cut, easy to operate, commonly used in liver surgery.
没有评论:
发表评论