Cannulated Reamers and Drills

Cannulated Reamers and Drills are used in Orthopedic procedures, often passing deep into bones, so it's crucial to ensure they are clean and functional to prevent injury or infection.

Some points to consider when inspecting these devices with a borescope:

Preparation:

1. Ensure borescope is appropriately sized for cannulas to be inspected
   

Areas to inspect:

1. Drill points
   
2. Cutting flutes
   
3. Inner surface of reamer/drill cannula

What to look for:

1. Damage
   
1. Drill points worn or chipped
   
2. Cutting flutes worn or chipped
   
3. Surface scratched or gouged
   
4. Pitting from corrosion
2. Debris
   
1. Filaments from cleaning implements
   
2. Bone fragments or marrow
   
3. Blood clots
   
4. Metal shavings
3. Discoloration
   
1. Dried blood
   
2. Rust/corrosion
   
3. Base metal showing through stainless steel layer
   
4. Hard water spots/mineral deposits
4. Droplets
   
1. Blood
   
2. Fatty liquids/synovial fluid
3. Irrigation fluid
   
4. Cleaning fluid or simethicone
   
5. Rinse water

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