Sutures and needles
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18 terms
Terms | Definitions |
|---|---|
 Suture | A strand of material used to ligate blood vessels or approximate tissue |
| Size: relating to suture | The diameter of the suture material. Numerical- the number of 0's increases - diameter gets smaller. |
| Tensile Strength of suture | The amount of tension or pull that a suture will withstand when knotted before it breaks |
| Monofilament suture | Suture that is made of a single strand of material |
| Natural Fibers | Fibers made from raw materials |
| Synthetic Fibers | Man-made fibers. Fibers are often made with a combination of products. |
| Natural Absorbable Suture | Suture that is absorbed by the body over a period of time. The suture is dissolved and broken down by body enzymes |
| Synthetic Absorbable Suture | Suture that breaks down by hydrolysis |
| Non-absorbable suture | Suture that is not dissolved by the body enzymes or hydrolyzed body tissue. Once sewn in, it is considered permanent. |
| hydrolysis | Breaking down complex molecules by the chemical addition of water |
| Ligature | Strand of material used to tie off a blood vessel or organ |
| Identify the parts of a needle | Needle point, needle body, eye |
| swaged needle | An eyeless needle where needle and suture are joined together as one continuous unit |
| Free needle | No suture attached to needle-"Eyed Needle" - suture must be threaded through the eye of the needle; as in the French eye needle or Keith needle |
| Single suture packet | Contains one singular needle in packet |
| Multi suture packets MS | Multiple needles in one packet-labelled as "MS"-contain from 3 to 10 swaged sutures |
| difference between 5-0 suture/#5 suture | 5-0 suture is smaller diameter than #5 suture |
| Define USP | United States Pharmacopeia--specifies diameter range for suture materials |
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