Severity Table
Score | Definition | Consequence |
4 | Critical | Burns – Reversible Injury |
3 | Serious | Severe Irritation – Reversible Injury |
2 | Minor | Minor Irritation – Discomfort |
1 | Negligible | No Harm |
Occurrence Table
Score | Definition | Description |
4 | Frequent | Happens often |
3 | Probable | Likely to happen |
2 | Occasional | Can happen |
1 | Improbable | Unlikely to happen |
RPN Table
Severity Levels | |||||
Negligible | Minor | Serious | Critical | ||
Occurrence Levels | Frequent | R2 | R2 | R3 | R3 |
Probable | R2 | R2 | R2 | R3 | |
Occasional | R1 | R1 | R2 | R2 | |
Improbable | R1 | R1 | R2 | R2 |
RPN = Occurrence + Severity
R1: 2 ≤ RPN ≤ 4
R2: 5 ≤ RPN ≤ 6
R3: 7 ≤ RPN ≤ 8
Hazard Analysis Table
Hazard | Hazard Event | Harm | Severity | Occurrence | Total Risk | Root Cause |
Adhesion Sticks to the Patient | * The adhesion slips from its spot on the patient’s diaper * Incorrect placement by caretaker | Skin Irritation | Minor (2) | Occasional (2) | R1 (4) | Device Misuse |
Improper Cleaning | User 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 Plug | Liquid spillage on electrical components due to user error or mishandling | Electric Shock | Serious (3) | Improbable (1) | R1 (4) | Device Misuse |
Sensor Malfunction | Temperature 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 Detachment | Tubing detaches or becomes clogged | * Sample Overflow/ Backflow * Leakage* Skin Irritation | Minor(2) | Occasional (2) | R1 (4) | * Kinking* Improper Assembly* Material Defect |
Color Sensor Inaccuracy | Color sensor misreads urine sample | * Misdiagnosis* Increased Risk of Infection | Serious (3) | Improbable (1) | R1 (4) | * Calibration Error * Sensor Contamination |