Hazard Analysis


Severity Table

ScoreDefinitionConsequence
4CriticalBurns – Reversible Injury
3SeriousSevere Irritation – Reversible Injury
2MinorMinor Irritation – Discomfort
1NegligibleNo Harm

Occurrence Table 

ScoreDefinitionDescription
4FrequentHappens often
3ProbableLikely to happen
2OccasionalCan happen
1ImprobableUnlikely to happen

RPN Table

Severity Levels
NegligibleMinorSeriousCritical


Occurrence Levels
FrequentR2R2R3R3
ProbableR2R2R2R3
OccasionalR1R1R2R2
ImprobableR1R1R2R2

RPN = Occurrence + Severity

R1: 2 ≤ RPN ≤ 4

R2: 5 ≤ RPN ≤ 6

R3: 7 ≤ RPN ≤ 8


Hazard Analysis Table

HazardHazard EventHarmSeverityOccurrenceTotal RiskRoot Cause
Adhesion Sticks to the Patient* The adhesion slips from its spot on the patient’s diaper
* Incorrect placement by caretaker
Skin IrritationMinor (2)Occasional (2)R1 (4)Device Misuse
Improper CleaningUser does not follow directions and incorrectly carries out the cleaning sequence* Increased Risk of Infection
* Compromised Urine Sample
Minor (2)Occasional (2)R1 (4)Device Misuse
Exposed Wall PlugLiquid spillage on electrical components due to user error or mishandlingElectric ShockSerious (3)Improbable (1)R1 (4)Device Misuse
Sensor MalfunctionTemperature sensor fails to detect urination cycle* Leakage* Spoiled Clothing/Bedding
* Skin Irritation
Minor (2)Improbable (1)R1 (3)* Faulty Sensor* Electronic Failure
Tubing Blockage or DetachmentTubing detaches or becomes clogged* Sample Overflow/
Backflow
* Leakage* Skin Irritation
Minor(2)Occasional (2)R1 (4)* Kinking* Improper Assembly* Material Defect
Color Sensor InaccuracyColor sensor misreads urine sample* Misdiagnosis* Increased Risk of InfectionSerious (3)Improbable (1)R1 (4)* Calibration Error
* Sensor Contamination