TABLE 4.

Feedback (Optional) on Syringe Brake

Characteristics	Comments
Fitting	Loose-fitting on the syringe plunger (n = 3)
	May be difficult to fit (n = 1)
Numbering	Numbering on tabs to be clearer, e.g., color differentiation (n = 4)
	Numbering can be confusing (n = 1)
Material	Use material that is easier to break (n = 1)
	Tabs easily broke if a strong force is exerted on the plunger head (n = 2)
Knowledge	Need to know how to dilute the drug when using Syringe Brake (n = 2)
	More of familiarization since not all nurses handle morphine (n = 1)
Workflow	The person who administers should dilute the drug and apply device (n = 2)
	Bit of a hassle but overall improves safety (n = 1)
	Delays administration of opioids (n = 1)
Others	Acceptable device (n = 1)
	Cost concern (n = 1)
	Well done (n = 1)