Lecture 7 - Suture Materials & Needles Flashcards
(22 cards)
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)
What suture characteristics should be considered when choosing a suture?
Size, strength, knot security, handling
What are some factors that will affect the patient’s healing ability?
Age, disease, drugs, nutritional status, weight
What is a spatula needle?
Has side cutting action, used in ophthalmologic surgery
What is a blunt needle?
Has rounded blunt point, used in friable tissue such as the liver and kidney
What information is on the package of suture with swaged needles?
Size, needle, length, expiration date
What information is on a reel/cassette of suture?
Size, length, expiration date
What type of needle is used with suture from a reel?
Eyed needle
What material are skin staples made of?
316L stainless steel
How are skin staples placed?
Hold wound edges in apposition with forceps and squeeze device
What are absorbable staples used for?
SQ placement
What shape does a skin staple form in the skin?
rectangle
What are some advantages to using skin staples?
- Resistant to infection
- Decreased inflammatory response
- Decreased closure time
- Preservation of blood supply
- Good cosmetic results
What is tissue adhesive made of?
Cyanoacrylate
How is tissue adhesive applied?
As a liquid, placed on top of cut edges (not in between)
How does tissue adhesive work?
Polymerizes with moisture to produce a strong, flexible bond
How fast does tissue adhesive work?
In less than 1 min
Tissue adhesive sloughs with keratinized epithelium _____ days post application.
5-10
What is tissue adhesive used for?
Small skin wounds (<5cm), declawing, tail docking, dew claw removal
What are ligating clips used for?
Vessel ligation
What size vessels are ligating clips used on?
<11mm
When are ligating clips helpful?
When the vessel is hard to reach
