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12 Cards in this Set
- Front
- Back
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What is the basic surgical knot? |
Square knot |
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What is the first knot that should be mastered? |
Instrument knot |
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What is a surgeon's knot? |
Double-wrap throw followed by single square knot throws |
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How many (correct) throws are necessary to ensure your knots don't slip? |
As many as the attending surgeon wants |
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What are the guidelines for the number of minimal throws needed? |
Depends on the suture material 3: Silk 4: Gut 6: Nylon, polyester, polypropylene, PDS, Maxon |
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How long should the ears of the knot be cut? |
Some guidelines are: 5 mm: Abdominal fascia closure 5-10 mm: Skin sutures, drain sutures (makes them easier to find and remove) |
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When should skin sutures be removed? |
As soon as the wound has healed enough to withstand expected mechanical trauma
Any stitch left in more than ~10 days will leave a scar
Guidelines are: Extremities—10 days Joints—10–14 days Back—14 days Abdomen—7 days |
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How can strength be added to an incision during and after suture removal? |
With Steri-Strips |
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In general, in which group of patients should skin sutures be left in longer than normal? |
Patients on steroids |
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How should the sutures be cut? |
- Use the tips of the scissors to avoid cutting other tissues - Try to remove the cut ends (less foreign material decreases risk of infection) - Rest the scissor-hand on the non–scissor-hand to steady |
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How is an instrument knot tied? |
Always start with a double wrap, known as a “surgeon’s knot,” and then use a single wrap, pulling the suture in the opposite directions after every “throw” |
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Does a student need to know a one-hand tie? |
No! Master the two-hand tie and the instrument tie |
