4: needles, suture patterns, and knots

Question 1

Needle chord length

Answer 1

Length of straight line from tip of needle to suture attachment

Question 2

1/4 circle needle use

Answer 2

ophthalmic procedures

Question 3

straight needle use

Answer 3

superficial with surgeon’s fingers

Question 4

3/8 and 1/2 use

Answer 4

abdominal closure

Question 5

Blunt needle use

Answer 5

friable tissue

Question 6

Taper point use

Answer 6

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

Question 7

Taper cut use

Answer 7

less chance for inadvertent tissue damage

Question 8

Reverse cutting needle

Answer 8

most common

Question 9

Side cutting use

Answer 9

ocular surgery

Question 10

diamond point use

Answer 10

plastic surgery

Question 11

Swaged needles

Answer 11

seamless single use

Question 12

Eyed suture needles

Answer 12

large suture in orthopedic surgery increased tissue drag can become dull

Question 13

How to handle your needle

Answer 13

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

Question 14

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

Answer 14

Simple interrupted pattern

Question 15

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

Answer 15

horizontal mattress

Question 16

appositional

used in areas of tension

less eversion and ischemia than horizontal matteress

Answer 16

cruciate

Question 17

everting

stronger than horizontal mattress

time consuming

Answer 17

vertical mattress

Question 18

Inverting

far near, far near

significant inversion

close hollow vicera

Answer 18

Lembert

Question 19

appositional

minimize mucosal eversion

GI surgery

enhance healing

Answer 19

Gambee

Question 20

apposisitonal

air and fluid tight

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

Answer 20

simple continuous

Question 21

appositional

greater stablility than simple continuous

quick to place but uses a lot of suture

difficult to remove

Answer 21

ford interlocking

Question 22

lots of inverting

Answer 22

continuous lembert

Question 23

inverting

close hollow viscus

water tight

only picture i can find has the names on them

Answer 23

cushing and connell

Question 24

appositional

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

Answer 24

intradermal

Question 25

how many throws in a typical surgical knot

Answer 25

4

Question 26

how many throws when ending a continuous patter

Answer 26

6-7

Question 27

formation of two opposing simple knots

even tension must be applied parallel to plane of knot

Answer 27

square knot

Question 28

greater security than square knot

significatnly bulkier

Answer 28

surgeons knot