Lecture 7 - Suture Materials & Needles Flashcards Preview

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Flashcards in Lecture 7 - Suture Materials & Needles Deck (22)
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1

What would be the perfect suture?

One that loses tensile strength at similar rate that the tissue gains strength
Is absorbed by tissue (no foreign material left)

2

What suture characteristics should be considered when choosing a suture?

Size, strength, knot security, handling

3

What are some factors that will affect the patient's healing ability?

Age, disease, drugs, nutritional status, weight

4

What is a spatula needle?

Has side cutting action, used in ophthalmologic surgery

5

What is a blunt needle?

Has rounded blunt point, used in friable tissue such as the liver and kidney

6

What information is on the package of suture with swaged needles?

Size, needle, length, expiration date

7

What information is on a reel/cassette of suture?

Size, length, expiration date

8

What type of needle is used with suture from a reel?

Eyed needle

9

What material are skin staples made of?

316L stainless steel

10

How are skin staples placed?

Hold wound edges in apposition with forceps and squeeze device

11

What are absorbable staples used for?

SQ placement

12

What shape does a skin staple form in the skin?

rectangle

13

What are some advantages to using skin staples?

1. Resistant to infection
2. Decreased inflammatory response
3. Decreased closure time
4. Preservation of blood supply
5. Good cosmetic results

14

What is tissue adhesive made of?

Cyanoacrylate

15

How is tissue adhesive applied?

As a liquid, placed on top of cut edges (not in between)

16

How does tissue adhesive work?

Polymerizes with moisture to produce a strong, flexible bond

17

How fast does tissue adhesive work?

In less than 1 min

18

Tissue adhesive sloughs with keratinized epithelium _____ days post application.

5-10

19

What is tissue adhesive used for?

Small skin wounds (<5cm), declawing, tail docking, dew claw removal

20

What are ligating clips used for?

Vessel ligation

21

What size vessels are ligating clips used on?

<11mm

22

When are ligating clips helpful?

When the vessel is hard to reach