Raw silk is produced by a silkworm larva's cocoon. These natural waxes and gums are removed prior to the braiding process, allowing for a tighter, more compact braid. DemeTech's Silk suture is dyed black for easier visibility in tissue. DemeTech's Silk suture is non-absorbable and multifilament in nature. Although DemeTech classifies its silk suture as a non-absorbable suture, it loses most of its tensile strength in one year, and is completely absorbed in 2 years. Thus, DemeTech's Silk behaves like a very slow absorbing suture. DemeTech coats its Silk in silicon to limit absorption, increase ductility, and minimize tissue reactivity.
Note: DemeTech's Silk sutures meet or exceed USP minimums.
|United States Pharmacopeia (USP) Requirements|
|Suture Size||USP. Diameter (Mils.)||USP Knot Pull (Lb)|
|3 and 4||6||23.6||27.5||10.76|
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