L04: Suture Needles, Surgical Knots, and Suture Patterns (Freeman) Flashcards Preview

Surgery (Spring 2015) > L04: Suture Needles, Surgical Knots, and Suture Patterns (Freeman) > Flashcards

Flashcards in L04: Suture Needles, Surgical Knots, and Suture Patterns (Freeman) Deck (10):
1

2 types of needles

swaged
eyed

2

adv. of swaged needles

less traumatic
already attached
disposable

3

adv. of eyed needles

reusable
preferred for large suture sizes/specialty needles

4

disadv. of eyed needles

dulls
bulky at suture attachment - more traumatic
suture can detach

5

reverse cutting needle

-needle triangular shaped
-cutting edge on convex side
-lower risk of cutting out of tissue
-greater needle strength

6

noncutting needle

-sharp point, no edges
-best in soft easily penetrated tissue like muscle or viscera
-not good for skin!!

7

trocar point needle

-body of needle round but point is short
-cartilage (ie. laryngoplasty)

8

taper cut needle

-reverse cutting point with a round shaft that is useful in delicate fibrous tissue

9

tension sutures require longer needles

:)

10

categories of suture pattern

anatomical (bowel, tendon)
appositional (all layers)
inverting (intestine, bladder, uterus)
everting (skin)
tension relief (abd. and thoracic walls)
continuous or interrupted