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38 Cards in this Set
- Front
- Back
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Physical Characteristics (6)
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1) physical configuration 2) capillarity 3) diameter 4) knot tensile strength 5) elasticity 6) memory |
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Physical Configuration
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Monofilament- 1 strand Multifilament - many strands |
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Capillarity
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ability to soak up fluid along a strand
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Diameter
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Diameter across -more zeros means it is smaller (2-0) - less zeros means it is larger (2) |
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Knot Tensile Strength
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a force, in pounds, how much a suture can take before it breaks when knotted
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Elasticity
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ability to regain original form and length after stretching
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Memory
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tendency of suture to recoil to original shape during packaging. - higher memory leads to less knot security |
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Non absorbable
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- derived from natural or synthetic material - no change to suture during healing - become encapsulated and need to be removed |
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Absorbable
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- derived from collagen or synthetic polymer - can be digested, hydrolyzed, and/or assimilated by tissue during healing |
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Natural Absorbable
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- Surgical Gut - Collagen suture |
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Surgical Gut
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- Natural Absorbable - can be absorbed in less than 21 days - obtained from collagen or small intestine of sheep - 2 types: Plain and Chromic |
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Plain Gut (natural absorbable)
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- used for subq and repair of rapidly healing tissues - ligate superficial blood vessels and tissue under tension |
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Chromic Gut (natural absorbable)
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- slow absorption process - used in infected tissues, ligate larger vessels, biliary, urinary tracts, muscle and fascia closure |
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Collagen Suture
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- Natural absorbable - made from tendons of cattle, chemically treated, purified and processed into strands - eye surgery primarily |
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Synthetic Absorbable
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-Long lasting (3 weeks - 6 months) - broken down by hydrolyzation (h20 penetrates suture filament) - used for ligating and suturing when tissue is not under stress |
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Monocryl
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- synthetic absorbable - monofilament - Wound closure, bowel or cosmetic closure |
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Vicryl
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- Synthetic absorbable - mono (uncoated) - multifilament (coated) - eyes |
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PDS , PDS II
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- synthetic absorbable - slow healing tissues - extended wound support - general, thoracic, colorectal |
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Maxon
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- synthetic absorbable - soft tissue |
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Dexon
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- synthetic absorbable - used for peritoneal, fascia, subq - replaces surgical gut - requires extra knots |
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Natural Non absorbable
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- Silk - Surgical Cotton - Linen - Stainless steel |
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Silk (natural non absorbable)
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- made from fibers spun by silkworm larvae - used DRY and NEVER to be MOIST - good support during ambulation - promotes rapid healing - surgical, virgin and dermal silk |
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Surgical Silk (natural non absorbable)
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- close fascia with no infection present, serosa of GI tract |
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Virgin Silk (natural non absorbable)
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- natural fibers - eye surgery |
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Dermal Silk (natural non absorbable)
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- strands encased by gelatin or protein substance - prevents in-growth of tissue cells and facilitates removal - skin closure |
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Surgical Cotton (natural non absorbable)
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- weakest of nonabsorbables - multifilament - strength when wet - used to ligate and suture |
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Linen (natural non absorbable)
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- twisted fibers - used in GI surgery |
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Stainless Steel (natural non absorbable)
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- referred to and measured by gauge and has high tensile strength - closure of abdominal wall, retention sutures, respiratory tract, ortho, neuro - can be placed if infection is present but NOT when another alloy metal is present |
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Synthetic Non absorbable
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- Less tissue reaction - high tensile strength - retains strength in tissue - Knot tying difficult due to slick material - surgical nylon, polyester, and synthetic polymers |
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Surgical Nylon
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- monofilament - multifilament (coated) - multifilament (uncoated) |
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Ethilon or Dermalon (Synthetic Non absorbable)
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- single strand - easily handled - pliable when wet or damp - used for micro surgery or eyes, cosmetic -NYLON |
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Neurolon (Synthetic Non absorbable)
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- tightly braided, uncoated - handles like silk - strong - less reaction -NYLON |
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Surgilon ( Synthetic Non absorbable)
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- braided, coated (silicone) - pulls through tissue easily - similar to silk -NYLON |
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Mersilene or Dacron (Synthetic Non absorbable)
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- used for cardio and respiratory - braided, uncoated - flexible and pliable - can cause "drag" -POLYESTER FIBER |
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Ticron, Ethibond, Teflon ( Synthetic Non absorbable) |
- lubricated (with polyester) - used for cardio anastomosis and prostheses placement -retains strength indefinitely -POLYESTER FIBER |
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Novafil (Synthetic Non absorbable)
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- poly (glycol) monofilament strand - flexible and elastic |
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Dermalene ( Synthetic Non absorbable)
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- long chain, monofilament |
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Prolene or Surgilene ( Synthetic Non absorbable)
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- easy to handle - most inert product - can be used when infection is present - requires long healing time - used fro cardio, continuous abdominal fascia closure,retention suture, plastics |
