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Surgical Nursing > suture material & needles > Flashcards

suture material & needles Flashcards

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1
Q

minimum of how many throws to tie a knot

A

2

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2
Q

suture removal time- ideal

A

7-14 days. shoot for 10

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3
Q

3 major classes of suture material

A

absorbable vs nonabsorbable
monofilament vs multifilament
synthetic vs natural

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4
Q

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

A

absorbable

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5
Q

the two types of surgical gut

A

plain- absorbed 3-5 days

chromic- absorbed 10-15 days

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6
Q

which type of catgut decreases soft tissue reaction

A

chromic. treated with chromic acid salts to prolong absorption time

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7
Q

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

A

catgut

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8
Q

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

A

hydroxyacetic acid. lasts 14-21 days

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9
Q

polyglactin 910 is made from what 2 acids.. lasts

A

lactic and glycolic acids. 14-21 days

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10
Q

dexon and vicryl degrade quickly in.. and faster in

A

alkaline environment. dissolves faster in infected urine

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11
Q

made from glycoside and lactide copolymers

A

polysorb

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12
Q

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

A

multifilament.. braided characteristics

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13
Q

polydioxanone/ polyglyconate are used in practice for

A

dog spays and neuters

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14
Q

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

A

slow healing wounds, takes 180 days for absorption

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15
Q

how many throws does PDS2 require

A

4-6. (multiple)

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16
Q

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

A

catgut. 7-14 days. monofilament

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17
Q

what is used for cat spays

A

monocryl

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18
Q

how long do non-absorbable sutures keep its strength

A

60 days

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19
Q

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

A

they can become encysted

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20
Q

when should non-absorbable sutures be taken out

A

7-14 days by vet tech

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21
Q

what forms when there is dead space that fills with fluid

A

seroma

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22
Q

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

A

silk

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23
Q

silk is commonly used in humans for what

A

cardiovascular surgery

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24
Q

cotton and linen increase slightly in strength when

A

wet

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25
Q

polyamide does not cause

A

tissue reaction

26
Q

what suture has significant memory

A

polyamide

27
Q

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

A

polybutester

28
Q

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

A

5-6. chronic infection, draining fistulae are common

29
Q

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

A

teflon and silicone coating

30
Q

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

A

polymerized caprolactum

31
Q

why shouldnt polymerized caprolactum be used below skin level

A

predispose a patient to fistulas and infection

32
Q

what suture is available in multi/monofilament

A

wire

33
Q

which suture does not support bacterial growth

A

wire

34
Q

disadvantages of using wire

A

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

35
Q

what suture to use for bone repair

A

larger size of wire

36
Q

wire is useful in..

A

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

37
Q

what size string is ordinary?

A

5

38
Q

8 vs 10-0

A

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

39
Q

what size string would you use for dentistry/ eye sx

A

dentistry- 4-0

eye sx- 6-0

40
Q

small dog/cat string

medium/large dog

A

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

41
Q

how do needles vary

A

size, shape, point design, method of attachment

42
Q

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

A

swaged/ swedged

43
Q

cons of swaged

A

more expensive, not reusable (we do)

44
Q

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

A

the length of the row of staples

45
Q

surgical skin stapler is used for.. reuse?

A

skin and fascia closure. reuse.

46
Q

can you reuse GI staplers

A

no. used for GI resection and anastomosis

47
Q

stapler used in lung resection

A

thoracoabdominal stapler

48
Q

stapler used for blood vessel ligation

A

ligate- and-divide stapler

49
Q

needle used to retain a prolapsed vagina in large animal

A

buhner needle

50
Q

s curve needle is used for

A

large animal. don’t pivot wrist.

51
Q

what size curved needle is most popular in general sx

A

3/8 and 1/2 circle

52
Q

what needle uses needle holders to drive through tissue

A

curved

53
Q

what types of needles pushes tissue apart instead of cutting.

A

non-cutting

54
Q

what are non-cutting needles used for

A

soft tissue, internal tissue and SQ

55
Q

which needle is recommended for suturing liver and kidneys

A

taper needle

56
Q

what needle dissects through friable tissue without cutting it

A

tapered

57
Q

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

A

cutting

58
Q

cutting needle is used for what

A

skin and tougher tissue

59
Q

what needle is most preferred by surgeon

A

reverse cutting

60
Q

everting turns the tissue

A

outward away from pt and towards surgeon

61
Q

inverting turns the tissue

A

toward the lumen of a hollow viscous organ

62
Q

apposing are designed to bring

A

tissues in direct apposition

Surgical Nursing (5 decks)

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