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Orthopedics/Surgery > Suture Materials > Flashcards

Suture Materials Flashcards

1
Q

Tendency for suture to return to its original shape

A

Memory

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2
Q

Degree that suture will deform w/o breaking and maintain its shape

A

Plasticity

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3
Q

Ability to resist deformation and breakage and the stress at which deformation or breakage occurs

A

Tensile strength

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4
Q

Force necessary for a knot to slip

A

Knot strength

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5
Q

Degree of fluid transferred by the suture as a result of absorption

A

Capillarity

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6
Q

Single stranded suture that is less pliable and more susceptible to damage

A

Monofilament

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7
Q

Multiple braided/twisted strands w/greater strength and pliability but increased tendency for bacterial colonization

A

Multifilament

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8
Q

Proteolytic breakdown very fast (gone in 2-3wk), so don’t use this suture in organs

A

Catgut

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9
Q

Twisted suture made from small intestinal submucosa of sheep or intestinal serosa of cattle

A

Catgut

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10
Q

Multifilament suture with minima breakdown during its first two weeks of placement

A

Dexon (polyglycolic acid)

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11
Q

When is dexon (polyglycolic acid) completely absorbed?

A

60-90d

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12
Q

How is dexon (polyglycolic acid) broken down?

A

Hydrolysis

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13
Q

What type of suture is Monocryl?

A

Monofilament

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14
Q

Stronger initial breaking strength than vicryl, PDS, and catgut

A

Monocryl

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15
Q

When is monocryl completely absorbed?

A

90-120d

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16
Q

What type of suture is vicryl?

A

Multifilament

17
Q

When is vicryl completely absorbed?

A

60-70d

18
Q

What type of suture is caprosyn?

A

Monofilament

19
Q

What type of suture is PDS II (polydioxanone)

A

Monofilament

20
Q

When is PDS completely absorbed?

A

180d

21
Q

Approx 50% of tensile strength is still present of 5-6wk

A

PDS

22
Q

What type of suture is maxon (polyglyconate)?

A

Monofilament

23
Q

What type of suture is biosyn?

A

Monofilament

24
Q

What type of suture is nylon?

A

Monofilament

25
Q

What type of suture is polypropylene (prolene)?

A

Monofilament

26
Q

What suture is commonly used in tendon, ligament, joint capsule, or fascial closures where prolonged strength is desired?

A

Polypropylene (prolene)

27
Q

Which multifilament suture has high tissue reactivity and should never be used in infected tissue?

A

Silk

28
Q

Which monofilament suture has a high elasticity?

A

Polybutester (novafil)

29
Q

Which multifilament suture is only for use on the skin to avoid risk of sinus formation?

A

Polymerized caprolactum (Vetafil)

Orthopedics/Surgery (16 decks)

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