During joint replacement surgery, bones ends are cut using power saw and cement is used to fix large metallic implants to the bone. All these increase the chance of infection even from minor contamination. To reduce the contamination from the operating team, "Body Exhaust System" or "Space Suit" is worn by the operating team.
The normal surgical attire still consists of cotton gown, which looses sterility within seconds after wearing, once it gets wet with sweat. The routine cap and mask do not prevent sweat or saliva droplets from operating team from entering the wound.
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