Knots Flashcards
Why are knots used?
Tie skin edges
Tie organ edges
Blood vessels
What are the two types of knot? Which is most useful to a surgeon?
Slip or non-slip
Non-slip
What are the advantages and disadvantages of more throws in a knot?
More secure
More suture material left in patient
How many throws should you use?
Minimum number needed - no more.
Square knots and surgeons knots are non-slip. What is the similar but slip version of these?
Granny knot
What is the difference between a square and surgeons knot?
A surgeons knot is a square not with 2 throws
Is square or surgeons knot more secure? Why?
Square knot more secure
As more symmetrical
Which knot loosens less under tension?
Surgeons knot less loosening under tension due to 2 throws
How do you make square and surgeons knots more secure?
Add simple throws on top