Know Your Needles
This needle is best for tough skin and requires less force to penetrate
What is a cutting needle?
The suture material is made from purified collagen derived from sheep or cow intestines?
What is chromic gut?
Is chromic gut absorbable or non-absorbable?
What is absorbable?
You're closing skin after a low risk laparotomy? What suture do you use?
What is absorbable monofilament suture?
The C in CT-1 needle stands for this
What is cutting?
This needle has a round body and is used for delicate tissues like bowel and blood vessels
What is a taper needle?
This absorbable suture degrades via hydrolysis and has low tissue reactivity
What is monocryl?
True or false: Prolene is aborbable.
What is false?
You're closing fascia in a morbidly obese patient. What kind of suture do you choose and why?
What s delayed absorbable strong monofilament ex. PDS?
True or false: You should always use braided sutures in infected wounds
What is false?
These letters ex. CT, SH, FS in needle codes describe what aspect of the needle?
What is the needle's curvature and length/type
This term refers to a sutures ability to return to its original shape after deformation?
What is memory?
What is the main disadvantage of catgut sutures?
What is unpredictable absorption and high tissue reactivity?
You're closing fascia after a C-section. What suture and needle do you use?
What is a 0 or 1 absorbable sutures with a taper needle?
What needle/suture combo is best for an intestinal anastamosis?
What is a taper needle with 3-0 or 4-0 absorbable suture?
What is the difference between a CT-1 and a CT-2?
What is needle size?
BONUS
Which is stronger and less pliable: monofilament or braided sutures?
What is monofilament?
This absorbable suture retains about 50% of its tensile stregth at 4 weeks and is commonly used for fascia
What is PDS?
You're closing bowel during s small bowel resection? What needle and suture are best?
A taper needle with a 3-0 or 4-0 absorbable suture ex. vicryl or PDS?
What is the primary method of degradation for synthetic absorable sutures like PDS and Monocryl?
What is hydrolysis?
This needle is ideal for friable tissues like liver or bowel
What is a taper needle?
Name a synthetic, braided, absorbable suture that maintains strength for about 2-3 weeks
What is vicryl (polyglactin 910)?
Name two non-absorbable sutures that are monofilament?
What is nylon (Ethilon) and polypropylene (Prolene)?
You're closing a contaminated wound. What suture traits do you choose?
What is monofilament, non-absorbable or delayed absorbable?
This suture type should never be used in the urinary or biliary tract due to risk of stone formation
What is silk?