Suture & needles

Question 1

What needle type is used for skin?

Answer 1

Reverse cutting

Question 2

This needle increases the risk of suture “pull through”

Answer 2

Cutting

Question 3

Why are cutting needles preferred over tapered needles for the skin?

Answer 3

they are sharper and less traumatic

Question 4

This needle is used for soft tissues (GIT, SC, bladder) but NOT skin

Answer 4

taperpoint

Question 5

this needle is used for friable tissues (liver, spleen)

Answer 5

blunt point

Question 6

Which needle has more tissue drag, swaged or nonswaged?

Answer 6

Nonswaged

Question 7

What curved needle size is used for ophthalmic procedures?

Answer 7

1/4

Question 8

what size needle is used for deep tissue?

Answer 8

5/8

Question 9

What size needle is used through superficial tissue?

Answer 9

3/8

Question 10

This needle shape is used for ear hematoma procedures/tension relieving sutures on skin

Answer 10

straight

Question 11

Needle shape used for placing suture under the lateral fabella for lateral stabilization of an ACL rupture?

Answer 11

J needle

Question 12

What’s the relationship b/w suture size and tensile strength?

Answer 12

larger size= inc TS

Question 13

If there’s pathology present in a tissue, would absorbable or non-absorbable suture be more appropriate?

Answer 13

non-absorbable

[slower healing tissue, want a longer lasting suture]

Question 14

What should dictate the strength of the suture used?

Answer 14

strength of the tissue

Question 15

T/F:

using coated suture will result in more secure knots.

Answer 15

false

Question 16

Absorbable suture loses most of it strength by when?

Answer 16

60 days

Question 17

Coated suture absorbs quickly or slowly?

Answer 17

slowly

Question 18

What are the function(s) of suture coating?

Answer 18

dec tissue drag,

inc pliability

Question 19

What antibiotic coating is commonly used for suturing infected tissue?

Answer 19

Triclosan

Question 20

This suture is very inflammatory and has unpredictable absorption in tissues; What is the suture and what 2 forms of it are available?

Answer 20

Catgut

1. plain (lasts 1-2 wks)
2. Chromic (2-3 wks)

Question 21

Vicryl Rapide is a very short acting suture. What’s it indicated for?

Answer 21

Dental Sx

Question 22

Vicryl plus is indicated for what tissue? Why?

Answer 22

1. inf’d wounds

2. Tricolsan coating

Question 23

T/F:

Vicryl is a great choice for bladder Sx

Answer 23

False

it’s braided–if it goes thru the mucosa, it will degrade rapidly d/t urine

Question 24

What is [regular] vicryl indicated for?

Answer 24

ophthalmic Sx

Question 25

Name two long-lasting absorbable sutures

Answer 25

Maxon & PDS

Question 26

Biosyn is indicated for what tissues/procedures?

Answer 26

enterotomy, cystotomy, body wall, SC

Question 27

Which of the following is a short-acting absorbable monofilament suture?

a. Dexon
b. PDS
c. Monocryl
d. Vicryl

Answer 27

C. Monocryl

[Dexon and Vicryl are both braided;
PDS is long-lasting]

Question 28

What is silk indicated for? What’s the main disadvantage of using it?

Answer 28

1. CV Sx

2. v inflammatory

Question 29

What is stainless steel indicated for?

Answer 29

1. Orthopedic use

2. skin staples

Question 30

What is Prolene indicated for?

Answer 30

Holding together tendons, ligaments, joint capsules

Question 31

What is Ethilon (Nylon) indicated for?

Answer 31

1. skin closure

2. orthopedic repair (lat stabilization of ACL rupture)

Question 32

What tissues should Vetafil be used for?

Answer 32

SKIN ONLY!

[very reactive–> sinus/granuloma formation]

Question 33

What is Ethibond (Polyester) indicated for?

Answer 33

Musculoskeletal Sx

[lat stabilization of ACL Sx]

Question 34

What is the weakest part of the suture?

Answer 34

the knot