Suture Materials Flashcards
Tendency for suture to return to its original shape
Memory
Degree that suture will deform w/o breaking and maintain its shape
Plasticity
Ability to resist deformation and breakage and the stress at which deformation or breakage occurs
Tensile strength
Force necessary for a knot to slip
Knot strength
Degree of fluid transferred by the suture as a result of absorption
Capillarity
Single stranded suture that is less pliable and more susceptible to damage
Monofilament
Multiple braided/twisted strands w/greater strength and pliability but increased tendency for bacterial colonization
Multifilament
Proteolytic breakdown very fast (gone in 2-3wk), so don’t use this suture in organs
Catgut
Twisted suture made from small intestinal submucosa of sheep or intestinal serosa of cattle
Catgut
Multifilament suture with minima breakdown during its first two weeks of placement
Dexon (polyglycolic acid)
When is dexon (polyglycolic acid) completely absorbed?
60-90d
How is dexon (polyglycolic acid) broken down?
Hydrolysis
What type of suture is Monocryl?
Monofilament
Stronger initial breaking strength than vicryl, PDS, and catgut
Monocryl
When is monocryl completely absorbed?
90-120d
What type of suture is vicryl?
Multifilament
When is vicryl completely absorbed?
60-70d
What type of suture is caprosyn?
Monofilament
What type of suture is PDS II (polydioxanone)
Monofilament
When is PDS completely absorbed?
180d
Approx 50% of tensile strength is still present of 5-6wk
PDS
What type of suture is maxon (polyglyconate)?
Monofilament
What type of suture is biosyn?
Monofilament
What type of suture is nylon?
Monofilament
What type of suture is polypropylene (prolene)?
Monofilament
What suture is commonly used in tendon, ligament, joint capsule, or fascial closures where prolonged strength is desired?
Polypropylene (prolene)
Which multifilament suture has high tissue reactivity and should never be used in infected tissue?
Silk
Which monofilament suture has a high elasticity?
Polybutester (novafil)
Which multifilament suture is only for use on the skin to avoid risk of sinus formation?
Polymerized caprolactum (Vetafil)
