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50 Cards in this Set

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  • Back
aseptic techique:
the absence of disease causing microorgansms.
aseptic technique
a series of procedures designed to minimize contamination and control transmission of pathogenic microorganisms by removeal of organisms or infected material
protection of the patient from contamination before, during, and after surgery by the use of proper technique
the practice of aseptic technique pervades all aspects of the daily operation of the modern veterinary clinic
the technician is involced in all aspect of maintaining asepsis and must take this responsibilty seriously at all times
lapses in aseptic technique have dire consequences, includeing infection, illness, and death
prinicples of aseptic technique must become second nature(routine)for midecal professionals.
preperation of disinfectant solutions
properdilution of the concentrated stock solutions of disinfectants is critical to safe and proper use in the clinic.
parvosol and HDQ
are example of common disinfectant solutions used in the vet facilities and VT lab
are express as a ratio of concentrated solution of water such as 1:32 or 1:64.
these are multipes of eight
conversion factors you must know.
1 t =
1T = 3 t =
(1/2 oz)
= 15 mL
1 oz =
8 oz =
(1 oz = 30mL)
1 cup
16 oz =
(1 oz = 30mL)
2 cups = 1 pint
32 oz =
(1 oz = 30mL)
2 pints= 1 quart
128 oz =
(1 oz = 30mL)
(1000mL = 1 L)
4 quarts = 1 gallon
a standard mop bucket is
5 gal
sample calculations:
to prepare 5 gallons of a 1:32 dilution
1:32 dilution =
1 oz:32 oz H2O or
1 oz concentrate/32 oz H20
1:32 dilution
2 oz: 64 oz or 2 oz/64 oz
1:32 dilution
4 oz: 128 oz = 1 gal
(two 60 ml syringes full/gallon
1:32 dilution
20 oz / 5 gl
to prepare 5 gallons of a 1:128 dilution
1:128 dilution =
1:128 dilution =
1:128 dilution =
1 oz : 128 oz H2O
1 oz : 1 gal H2O
30 ml : gal or 30 ml / 1 gal
disinfection of surfaces
always sanitize, and then disinfect.
technique of wiping table and counter tops
sanitize, and then disinfect-clean away all hair, body fluides, and debris then apply the disinfectant solution.
be certain to wipe all surfaces.
underneath, sides(especially the side wasy from you and facing the client)
pedestals, legs and bases.
Cleaning and Mopping floors
sanitize and then disinfect.
sweep, vacuum, dust mop/or wet mop to remove all hair, body fluids, and debris then apply disinfectant
Some use a "two bucket" tech:
one bucket for sanitizing the floors
the second bucket for applying the disinfectant solutions.
It is proper to have one mop and bucket to use excluisvely in the surgery suite that is used nowhere else in the hospital
sanitization and disinfection of instruments
sanitizing instruments
sanitize and then disinfect
open all hinged instruments and place in a pan of cold water and instrument cleaning solution to soak
hot water coagulates blood and mades it much more diffucult to clean away.
use a stiff brush or an ultrasonic cleans to remove all organic debris from the insturments
rinse thoroughly to remove all organic debris and detergent
dip into "instrument Milk" to lubricate and protect instruments from corrosion
spread out instruments (open hinged instruments) on an absorbent towel to air dry.
instrument cold pack
also know as "cold sterilization" when using glutaraldehyde the cold pack is considered a "cold disinfection"
cold packs usually contain a disinfectant
not a sterilant
insturments are sanitized and placed in a container to soak in a disinfectant or sterilant until needed
do not toss dirty instrument back into the cold pack. organic debris render the solution ineffective and it must be changed.
cold packs even if free of organic debris should be changed
once a day
in general instruments from cold packs are used for
minor procedures in the treatment or exam room and not for major, sterile surgical procedures in the OR
cold pack instruments may be used in an emergency
as a substitue for sterile surgical instruments
instruments removed from a cold pack should be
rinsed thoroughly before use because the solutions are irritating to tissue.
use of the autoclave
actual amount of time depends on the type of ststrument, size of pack(s) and the number of items placed in the chamber
timeer is not set until the autoclave reaches proper temperature and pressure
250F = 121C and 15pxi above 15pse of atmospheric pressure
avoid overloading/crowding/stacking items so steam cannot penetrate
opening the door too soon after a cycle is completed can resulrt in condensation of steam on packs.
placing wet packs on the countertop allows wicking of bacteria into the pact. ensure the dtrying cycle is complete before opening the door more than a crack.
Storage of Sterile Packs
all packs should be stored in a well-ventilated, closed, dust fee cabinet or drawere and not handled excessively.
storage of sterile packs
commercially prepared packs can be stored until the expiration date or for up to 4-6 months if no expiration date is listed.
storage of sterile packs
double-wrapped muslin cloth or single wrapped paper wrapped packs stored in a closed cabinet are considered sterile for six weeks.
storage on open shelves reduces safe time to three weeks.
storage of sterile packs
polyethylene wrapped packs are considered sterile for up to one year.
storage of sterile packs
technicians in charge of surgical packs should establish a protocol for regulare inspection, repackaging, and re-sterilizing packs to ensure sterility.
supplies needed for pack prep
paper wrappers, textile wrappers, polyethylene peel packs, tubing, or envelopes, heat sealing unit, autoclave tape, sterilization indicators (ETO vs steam type).
types of packs
sinle instrument packs, multiple instrument packs
Surgical Laundry packs (towels/drapes/gowns)
Laundry packs are also called soft good packs.