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Sutures and wound healing
Used to approximate while healing takes place and to ligate blood vessels or ducts during surgery
Regulated properties of sutures
Size, tensile strength, and sterility.
United States Pharmacopeia
The larger the number on the suture the (smaller/larger) the suture's thickness
Brown and Sharp (B&S) guage
Alternate method used to indicate the diameter of stainless steel wires and sutures
(All/some) sutures are double-wrapped in peel-apart envelopes
Must be dipped, but not soaked to soften it and prevent tissue drag
Dry packed sutures
Should be stretched slightly to remove excess memory
Pliability aka flexability
Describes the stiffness of a material
Suture that has a high memory
Friction of the suture against the tissue
The amt. of stretch or elongation by a suture when it is pulled
The weakest part of the suture.
Tendency to resist knot slippage. Determines if a knot will lie smooth and remain snug when tied
Causes inflammation, discomfort, delayd healing, or failure to heal, and possible infection
The property of multifilament strands to absorb moisture or body fluids. May draw more bacteria into the would.
Made from naturally occuring tissue or plants such as collagen or cotton
Formed of manufactured materials
Remain in the body for an indefinite or undetermined period of time
Digested by the body within a short time
Natural material derived from sheep intestine or serosa of beef intestine
Used on open wounds. The most common type of tissue adhesive used in surgery
Methyl methacrylate. Is used to secure prosthetic implants into bone and in cranioplasty.
Used to reinforce wounds. Used in hernia repair to strengthen the defect
Phases of wound healing
Substrate, proliferative, and remodeling
Lasts 1-4 days
Lasts 5-20 days
Lasts 22 days to 1 year
Complications of wound healing
Infection, tissue trauma, wound tension, and dehiscence
Third intention healing
Also known as delayed closure