sterilisation

Definition

Decontamination

- removal of gross organic debris

Disinfection

- process of eliminating all microorganisms except bacterial spores

Sterilization

- process to eliminate or destroy all forms of microbial life, including bacterial spores

Techniques of Sterilisation

1. Wet heat

2. Dry heat

3. Chemical

Definition

Loss of material from solid surface due to mechanical action

Types of wear

TKR

- more complex movements compared with THR

- rolling, sliding and rotation

- delamination, pitting and fatigue failure of the poly surface

Types

- adhesive wear (most common in TKR)

- abrasive wear

- third body wear

- fatigue wear - delaminating