LDU Exam Flashcards
Why do we need sterile instruments?
Reduces probability of transmission of infection
International standard for surgical instruments
Legislative and professional standards
High quality of care
What makes an instrument sterile?
Probability that there are viable microbes on the instrument is equal to or less than 1 in a million by a validated process
What law regulates use of medical devices?
Medical device regulation 2017
What did the MDR 2017 do?
Regulate manufacture of medical devices - regulated by MHRA medicines and healthcare products regulatory agency
Set out quality management systems
Class items according to risk of adverse event
- implantable = higher
- implants = traceability
Medical device cannot be put on market in GB unless it has
- UKCA
- CE
Markings
Give life cycle of instrument
Use
Transported in contaminated instrument transport box
- durable, leak proof, rigid sided and colour coded
Taken to LDU
- daily tests done for WD
- processed through washer disinfector or manually cleaned either immersion or non immersion - manufacturers instructions
Inspect instruments
- illuminated magnifier
- identify any contamination
- check function of instruments has not been affected
Ultrasonic bath
- if instruments not fully cleaned afterwards
- back through WD after
Sterilisation
- use a type B vacuum steriliser
Transport
- clean instruments container
- wrapped instruments
- durable, leak rooof, rigid, colour coded and tight fitting Lid
Records
- at all stages
Safety
- ppe used at all stages
H
H
Chain of infection
Infectious agent
Reservoir
Portal of exit
Mode of transmission
Portal of entry
Susceptible host
What shape of pathogen is s.aureus? Its virulence factors?
Gram positive coccus
PVL toxin
- responsible for killing white blood cells
- pops membrane and releases inflammatory components triggering inflammatory response
