4: needles, suture patterns, and knots Flashcards Preview

Soft Tissue Surgery > 4: needles, suture patterns, and knots > Flashcards

Flashcards in 4: needles, suture patterns, and knots Deck (29)
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1
Q

Needle chord length

A

Length of straight line from tip of needle to suture attachment

2
Q

1/4 circle needle use

A

ophthalmic procedures

3
Q

straight needle use

A

superficial with surgeon’s fingers

4
Q

3/8 and 1/2 use

A

abdominal closure

5
Q

Blunt needle use

A

friable tissue

6
Q

Taper point use

A

delicate tissues (GI, fat, urinary bladder, muscle) small hole

7
Q

Taper cut use

A

less chance for inadvertent tissue damage

8
Q

Reverse cutting needle

A

most common

9
Q

Side cutting use

A

ocular surgery

10
Q

diamond point use

A

plastic surgery

11
Q

Swaged needles

A

seamless single use

12
Q

Eyed suture needles

A

large suture in orthopedic surgery increased tissue drag can become dull

13
Q

How to handle your needle

A

never touch the tip pull it perpendicularly and in a linear fashion

14
Q

appositional needle inserted on one side, go to other side and out. knot tied quick and easy takes longer and uses a lot of material

A

Simple interrupted pattern

15
Q

everting used in areas of tension local ischemia of skin may result needle goes in on far side of incision, exit on near side, back in on same side and then back across the incison

A

horizontal mattress

16
Q

appositional

used in areas of tension

less eversion and ischemia than horizontal matteress

A

cruciate

17
Q

everting

stronger than horizontal mattress

time consuming

A

vertical mattress

18
Q

Inverting

far near, far near

significant inversion

close hollow vicera

A

Lembert

19
Q

appositional

minimize mucosal eversion

GI surgery

enhance healing

A

Gambee

20
Q

apposisitonal

air and fluid tight

don’t use where tightening may result in purse string effect

A

simple continuous

21
Q

appositional

greater stablility than simple continuous

quick to place but uses a lot of suture

difficult to remove

A

ford interlocking

22
Q

lots of inverting

A

continuous lembert

23
Q

inverting

close hollow viscus

water tight

only picture i can find has the names on them

A

cushing and connell

24
Q

appositional

used when you dont want to remove sutures from a patient (fractious)

A

intradermal

25
Q

how many throws in a typical surgical knot

A

4

26
Q

how many throws when ending a continuous patter

A

6-7

27
Q

formation of two opposing simple knots

even tension must be applied parallel to plane of knot

A

square knot

28
Q

greater security than square knot

significatnly bulkier

A

surgeons knot

29
Q
A