key terms Flashcards
antimicrobial agent that kills or inhibits growth of microorganisms on external source of body
Aniseptic
condition of sterility where in no living organisms are present
asepsis
methods used to prevent contamination of a surgical site or wound by disease-producing organisms
aseptic technique
method of putting on sterile gloves where a gloved assistant is helping
assisted gloving
machine that uses pressurized steam to sterilize objects
autoclave
hinged part of needle holder, tissue forceps, or hemostatic forceps
box lock
use of liquid or gas to sterilize surgical materials
chemical sterilization
what is the most commonly used liquid chemical sterilizer on surgical instruments?
Glutaraldehyde
what are the 2 most commonly used gas chemical sterilizers?
ethylene oxide and hydrogen peroxide
putting on gloved where hands are kept hidden in sleeves
closed gloving
chemical agents applies to inanimate objects to destroy vegetative form of bacteria
disinfectant
gaseous substance used as a sterilant for instruments and articles that would be damaged by steam sterilization
ethylene oxide
what is ethylene oxide characteristics at room temp?
colorless, flammable
what gas may cause skin burns, respiratory irritation, vomitting, head aches, and birth defects?
ethylene oxide
ethylene oxide may cause what in animals after long exposure?
cancer
emergency sterilization where instruments unwrapped are placed in autoclave and then directly to surgery
flash sterilization
use of chemical vapors to sterilize surgical material and instruments unable to withstand high temps associated with stream sterilization in autoclaves
gas sterilization
ethylene oxide is the most commonly form of what type of sterilization?
gas sterilization
sterile, adherent, plastic surgical drape that is impregnated with an antiseptic
incise drape
used to fuse a solution into a cavity (ex. joint)
ingress port
to pump gas or medicinal substance into body cavity
insufflate
unit of energy, 1 watt of power per 1 seconds
joule
stylus or removable plug used during insertion of a tubular instrument
obturator
alcohol based solutions containing other antiseptics that form a film when painted on skin
one-step prep
putting on sterile gloves when the person is not wearing a sterile gown or hands are protruding through ends of gown sleeves
open gloving
fracture involving articular cartilage and underlying bone
osteochondral fragments
depression in dorsocaudal abdominal cavity wall of quadrupeds bordered by costal processes of lumbar vertebrae
paralumbar fossa
thin transparent membrane that lines peritoneal cavity
peritoneal lining
use of filtration, radiation, and heat used to destroy all living organisms from a material, including viruses
physical sterilization
smoke created from laser application on tissue
plume
synthetic material used to replace some tissue or part of body
prothesis
allows instrument to be maintained in one position after it has grasped or retracted tissue
ratchet
continues bactericidal activity that persists after antiseptic or disinfectant has been applied
residual activity
shirt and pans worn in surgery, plyester or lint free cotton
scrub suit
elimination or destruction of all living organisms from a material
sterilization
when fluid penetrates a surgical drape or gown that creates a pathway that can invade a sterile feild
strike through
bone that lies underneath joint cartilage
subchondral bone
technique used in laparoscopic and athroscopic surgery using a scope and other instrument to target a third point
trangulation
unit of power, 1J per second
watts
Safer for environment and personnel than
ethylene oxide
hydrogen peroxide
Available as aqueous, tincture and
detergent
Chlorhexidine
chemical disinfectant effective against bacteria, mold, yeast, and viruses
chlorhexidine
chemical disinfects with a rapid onset and long residual activity
chlorhexidine
chemical disinfecting used in surgical prep, topical wound therapy, joint/body cavity lavage
iodine
One of the most common surgical scrubs in veterinary hospitals
Povidone-iodine
Evaporate rapidly with no residual activity, solely bactericidal
alchohols
Replaced by newer, safer, more effective agents
phenols
Bactericidal that’s nontoxic
Quaternary ammonium
Bleach is a commonly used as example of this environmental disinfectant in hospitals
chloride
Toxic and irritating type of antimicrobial
Formaldehyde and glutaraldehyde
aldehyde
Soaking instruments in chlorhexidine or glutaraldehyde only for minor procedures or equipment that cannot tolerate other sterilization methods
cold sterilization
Sterilization of Arthroscopic/Laparoscopic Equipment
1) Completely disassembled
2)Gas sterilization or Cold sterilization
3) Must be thoroughly rinsed w/sterile water
what is the benefit of using cold sterilization of athro/lapar equipment
Allows more than one use per day
antiseptic scrub alternates with alcohol or sterile saline
Presurgical scrub
Traditional surgical scrub
3-5 cycles outward spirals
Enhance skin adherence of incise drapes
one-step prep
Special considerations for males and females for equine skin prep
males- prepuce is packed with gauze sponges and closed
females-mammary area cleaned
surgical hand scrub
all surfaces cleans 10-25x brush strokes done 4 times
or 5 min hand scrubbing
supplement to hand scrubbing, effective and easy
Waterless hand antiseptics
what places of the body are not sterile when fully scrubbed in?
Neckline, back, armpit area not sterile