theatre - managment of instruments and materials Flashcards
when does absorbable suture material lose its tensile strength?
10-40 days
when is absorbable suture material totally absorbed?
40-180 Days
how is absorbable suture material absorbed?
natural absorbable suture material is removed by phagocytosis
sythetic absorbable suture material is removed by hydrolysis
how long does non- absorable suture material maintain tensile strength?
60 days
surgical catgut tensile strength, absorbable or non-absorbable, natural or synthetic and mono or multi filament?
7-10days.
absorbable
natural
can be either mono or multifilament
Polyglycolic acid - common name, absorbable or non-absorbable, natural or synthetic, mono or multi-filament and tensile strength?
Dexon absorbable synthetic multifilament 80% lost after 14 days
Polyglactin - common name, absorbable or non-absorbable, natural or synthetic, mono or multi-filament and tensile strength?
Vicryl, absorbable synthetic multifilament 50% lost after 14 days
polydioxanone - common name, absorbable or non-absorbable, natural or synthetic, mono or multi-filament and tensile strength?
PDS absorbable synthhetic mono-filament strength retained after 28 days
silk - mono or multi-filament, absorbable or non-absorbable, natural or synthetic and tensile strength?
multi-filament,
non absorbable
natural
30% lost after 14 days and 60 % lost after 30 days
polypropylene - common name, absorbable or non-absorbable, natural or synthetic, mono or multi-filament and tensile strength?
Proplene non ansorbable synthetic mono-filament high tensile strength but may stretch.
polyamide - common name, absorbable or non-absorbable, natural or synthetic, mono or multifilament and tensile strength?
ethilon and supramid non absorbable synthetic can be either high tensile strength
stainless steel - absorbable or non-absorbable, natural or synthetic, mono or multi-filament and tensile strength?
non absorbable
synthetic
can be either
high tensile strength
what should you do when selecting suture material size?
select the smallest size possible for each body part and size of the animal.
USP = what size metric? 5/0 =? 4/0=? 3/0=? 2/0=? 0=? 1=? 2=? 3=?
1 1.5 2 3 3.5 4 5 6
What suture material is best for skin?
Monofilament nylon or polypropylene. metal staples
Avoid material with capillary action
What suture material is best for subcutis?
fine synthetic absorbable with minimal tissue reaction.
polydioxanone, polyglactin or polyglycolic acid.
What suture material is best for muscle?
synthetic absorbable or non absorbable nylon
What suture material is best for fascia?
synthetic non absorbable if prolonged strength required