HANDPIECE SAFETY Flashcards
1
Q
How many rotations per minute for HIGH SPEED TURBINE HANDPIECE?
A
250-400,000 rpm
2
Q
What components are located inside the head of a high speed handpiece?
A
- ROTOR = catches air propelled past it to cause burr to spin
- CHUCK = grips the burr
- BEARINGS = ensure burr spins around its own axis and prevents wobbling
3
Q
Who shoulders responsibility for safety assessment of dental equipment?
A
DEVICE USER
4
Q
What are the two main aspects of ensuring device safety?
A
- Visual Assessment first
- Use assessment second
5
Q
When you do the first visual assessment of a handpiece, what are you looking at?
A
- expiry date on sterilisation pouch
- obvious faults (dents, damaged surfaces, broken pieces)
6
Q
What is the 6-step device safety checks split into?
A
3 “safe for use” checks
3 “fit for use” checks
7
Q
What are the “safe for use” checks that should be done on a dental handpiece?
A
- Ensure backcap cannot rotate (grip outer rim o back cap and try to rotate it anti-clockwise)
- Ensure bur is fully engaged (apply pulling force to bur to see if it disengages and comes out)
- Ensure hand-piece is securely fitted to coupling (apply tension to see if they come apart)
8
Q
What are the “fit for use” handpiece checks that should be done?
A
- Ensure bur spins freely (should be no frictional resistance)
- Check burs lateral movement by gripping bur and applying slight lateral pressure (ensure it doesn’t wobble, if it does bearings need replaced)
- Activate handpiece for 5-10 seconds and listen to noise (should be consistent)
9
Q
Should you suspect a fault with a device what should you do?
A
- STOP using it
- NOTIFY a dental nurse (a form will be filled in with details of device, devices unique identification number and the type of fault suspected)
- Device will be sent to Decon
