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Bone-dust in autopsies: reduction of spreading
G Kernbach-Wighton1, A Kuhlencord, K Rossbach
1Institute for Forensic Medicine, University of Göttingen, Germany.
Forensic Science International
|December 2, 1996
Summary
Using a modified oscillating saw with a spray tube significantly reduces airborne bone dust and microbial contamination during autopsies. This method offers a practical compromise for infection control in autopsy settings.
Area of Science:
- Forensic Pathology
- Occupational Health & Safety
- Microbiology
Background:
- Autopsy procedures using oscillating saws generate respirable bone dust, potentially spreading microbes.
- Airborne microbial transmission poses an infection risk in autopsy environments.
Purpose of the Study:
- To evaluate the efficacy of a modified oscillating saw with a spray tube in reducing airborne bone dust and microbial contamination.
- To assess the effectiveness of water-based misting in controlling particle spread during autopsy bone sawing.
Main Methods:
- Experiments utilized a modified oscillating saw equipped with a spray tube to moisten the saw blade.
- Bone dust samples were collected and cultured to identify microbial colonies.
- Airborne microbes were quantified, and particle spread distances were measured.
Main Results:
- The integrated spray tube remarkably reduced saw dust generation.
- Microbial contamination was eliminated 150 cm above the floor.
- No spreading of microbe-carrying particles was observed beyond 1.5 meters.
Conclusions:
- A modified oscillating saw with a spray tube is a practical method for reducing airborne infection risk during autopsies.
- While effective, additional precautions like masks and goggles are necessary.
- This modified saw offers a safer alternative to unprotected saws, balancing efficiency and safety.