suture material & needles

Question 1

minimum of how many throws to tie a knot

Answer 1

2

Question 2

suture removal time- ideal

Answer 2

7-14 days. shoot for 10

Question 3

3 major classes of suture material

Answer 3

absorbable vs nonabsorbable
monofilament vs multifilament
synthetic vs natural

Question 4

which class: can be manufactured from animal and synthetic sources, digested by body during normal healing

Answer 4

absorbable

Question 5

the two types of surgical gut

Answer 5

plain- absorbed 3-5 days

chromic- absorbed 10-15 days

Question 6

which type of catgut decreases soft tissue reaction

Answer 6

chromic. treated with chromic acid salts to prolong absorption time

Question 7

produced from sub mucosal layers of sheep/hog intestines. elastic and easy to handle

Answer 7

catgut

Question 8

polyglycolic acid is synthetic material made from what acid … lasts..

Answer 8

hydroxyacetic acid. lasts 14-21 days

Question 9

polyglactin 910 is made from what 2 acids.. lasts

Answer 9

lactic and glycolic acids. 14-21 days

Question 10

dexon and vicryl degrade quickly in.. and faster in

Answer 10

alkaline environment. dissolves faster in infected urine

Question 11

made from glycoside and lactide copolymers

Answer 11

polysorb

Question 12

polysorb is what kind of filament… and has a potential for bacterial wicking due to what

Answer 12

multifilament.. braided characteristics

Question 13

polydioxanone/ polyglyconate are used in practice for

Answer 13

dog spays and neuters

Question 14

“PDS2” is better for what type of wounds.. lasts

Answer 14

slow healing wounds, takes 180 days for absorption

Question 15

how many throws does PDS2 require

Answer 15

4-6. (multiple)

Question 16

poligecaprone & glycomer 631 used more commonly in replacement of.. lasts.. filament

Answer 16

catgut. 7-14 days. monofilament

Question 17

what is used for cat spays

Answer 17

monocryl

Question 18

how long do non-absorbable sutures keep its strength

Answer 18

60 days

Question 19

if non-absorbable sutures are left in the skin..

Answer 19

they can become encysted

Question 20

when should non-absorbable sutures be taken out

Answer 20

7-14 days by vet tech

Question 21

what forms when there is dead space that fills with fluid

Answer 21

seroma

Question 22

what suture can serve as a point of origin for infection and can induce a severe soft tissue reaction

Answer 22

silk

Question 23

silk is commonly used in humans for what

Answer 23

cardiovascular surgery

Question 24

cotton and linen increase slightly in strength when

Answer 24

wet

Question 25

polyamide does not cause

Answer 25

tissue reaction

Question 26

what suture has significant memory

Answer 26

polyamide

Question 27

which suture is elastic and used to repair ligaments and structures underweighted motion

Answer 27

polybutester

Question 28

polyester fibers requires how many throws for knot security.. complications?

Answer 28

5-6. chronic infection, draining fistulae are common

Question 29

some polyester fibers have what kind of coating to help reduce tissue drag and reaction

Answer 29

teflon and silicone coating

Question 30

suture that should never be used below skin level. synthetic fibers coated with plastic like material

Answer 30

polymerized caprolactum

Question 31

why shouldnt polymerized caprolactum be used below skin level

Answer 31

predispose a patient to fistulas and infection

Question 32

what suture is available in multi/monofilament

Answer 32

wire

Question 33

which suture does not support bacterial growth

Answer 33

wire

Question 34

disadvantages of using wire

Answer 34

poor handling, kinks, sharp cut ends can damage tissue.

Question 35

what suture to use for bone repair

Answer 35

larger size of wire

Question 36

wire is useful in..

Answer 36

infected wounds/ slow healing process/ active pt/ hx of chewing sutures

Question 37

what size string is ordinary?

Answer 37

#5

Question 38

#8 vs 10-0

Answer 38

#8 is the biggest. 10-0 is the smallest.

Question 39

what size string would you use for dentistry/ eye sx

Answer 39

dentistry- 4-0 | eye sx- 6-0

Question 40

small dog/cat string | medium/large dog

Answer 40

small-3-0 medium- 2-0 large-0

Question 41

how do needles vary

Answer 41

size, shape, point design, method of attachment

Question 42

which needle won't unthread itself, is always sharp, readily available, less bulk through hole. suture material attached

Answer 42

swaged/ swedged

Question 43

cons of swaged

Answer 43

more expensive, not reusable (we do)

Question 44

a number may be used after the name of staple to indicate

Answer 44

the length of the row of staples

Question 45

surgical skin stapler is used for.. reuse?

Answer 45

skin and fascia closure. reuse.

Question 46

can you reuse GI staplers

Answer 46

no. used for GI resection and anastomosis

Question 47

stapler used in lung resection

Answer 47

thoracoabdominal stapler

Question 48

stapler used for blood vessel ligation

Answer 48

ligate- and-divide stapler

Question 49

needle used to retain a prolapsed vagina in large animal

Answer 49

buhner needle

Question 50

s curve needle is used for

Answer 50

large animal. don't pivot wrist.

Question 51

what size curved needle is most popular in general sx

Answer 51

3/8 and 1/2 circle

Question 52

what needle uses needle holders to drive through tissue

Answer 52

curved

Question 53

what types of needles pushes tissue apart instead of cutting.

Answer 53

non-cutting

Question 54

what are non-cutting needles used for

Answer 54

soft tissue, internal tissue and SQ

Question 55

which needle is recommended for suturing liver and kidneys

Answer 55

taper needle

Question 56

what needle dissects through friable tissue without cutting it

Answer 56

tapered

Question 57

dont use this needle when an airtight or water tight suture line is required

Answer 57

cutting

Question 58

cutting needle is used for what

Answer 58

skin and tougher tissue

Question 59

what needle is most preferred by surgeon

Answer 59

reverse cutting

Question 60

everting turns the tissue

Answer 60

outward away from pt and towards surgeon

Question 61

inverting turns the tissue

Answer 61

toward the lumen of a hollow viscous organ

Question 62

apposing are designed to bring

Answer 62

tissues in direct apposition