Theatre Flashcards
Theatre temp should be?
15-20°C
How many air changes should there be in theatre?
20 per hour
What type of ventilation should theatre have?
Positive pressure ventilation
Theatre humidity should be?
50-60%
Op list order
- Clean
- Clean contaminated
- Contaminated
- Dirty
Clean op and egs
No infection or contamination
No inflammation
No break in asepsis, wound made in sx
No entering GI, resp or urinary tract
Eg: ortho, neuters, umbilical hernia repair
Clean contaminated ops and egs
Potential contamination
No signification spillage of contents
Tracts entered in controlled way
Egs: cystotomy, gastrotomy
Contaminated ops and egs
Major break in asepsis
Gross spillage of contents into cavity
E.g: fresh traumatic wound (<6hrs), cystotomy/enterotomy with spillage
Dirty/infected ops and egs
Pus/ infection present
Inflammation at site
Egs: dentals, abscesses, pyo, wounds >6hrs
Metals used with surgical instruments
- Stainless steel
- Chromium plated carbon steel
- Titanium
- Tungsten carbide inserts
3 types of stainless steel
Martensitic- v hard, strong, wear resistant
Austenitic- nickel, corrosion resistant, Formable
Ferritic- iron
Strong, highly resistant to corrosion, nice finish
Chromium plated carbon steel
Cheaper, blunts quickly, surface vulnerable to attack with low pH
Titanium
Hard wearing
Light
Delicate instruments
Reduced glare
Tungsten carbide inserts
Cutting and gripping instruments
Resistant to corrosion and wear
Expensive
Gold coloured handles
3 types of finishes to equipment
Mirror- highly polished, resistant to corrosion
Satin- avoids glare
Ebony- eliminates glare completely
