WAVELIGHT EX500 EXCIMER LASER
Report
- Report Number
- 3003288808-2019-00776
- Event Type
- Injury
- Date Received
- July 29, 2019
- Date of Event
- May 6, 2019
- Report Date
- November 14, 2019
- Manufacturer
- WAVELIGHT GMBH
- Product Code
- LZS
- PMA / PMN Number
- P020050
- Removal / Correction Number
- NA
- Adverse Event
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- SP
- Reporter Occupation
- PHYSICIAN
Narratives
A REVIEW OF THE TECHNICAL SERVICE ONSITE HISTORY SHOWED NO ABNORMALITIES THAT COULD HAVE CONTRIBUTED TO THIS EVENT: LASER WAS SUCCESSFULLY VERIFIED PRIOR TO AND AFTER THE DAY OF THE TREATMENT. A REVIEW OF THE LOGFILE OF THE DAY OF TREATMENT COULD CONFIRM THAT THE USER TREATED THE PATIENT'S LEFT EYE TWICE. FOR THE FIRST TREATMENT OF THE LEFT EYE, THE SURGEON TREATED WITH PHOTOTHERAPEUTIC KERATECTOMY (PTK). FOR THE SECOND TREATMENT OF THE PATIENT'S LEFT EYE, THE SURGEON TREATED WITH WAVEFRONT OPTIMIZED TREATMENT. NO ABNORMALITY COULD BE IDENTIFIED IN THE LOGFILE DESPITE THE REQUIRED ENERGY CHECK WAS NOT PERFORMED PRIOR TO TREATMENT SO A TECHNICAL ROOT CAUSE COULD BE EXCLUDED. CLINICAL APPLICATIONS SPECIALIST (CAS) REVIEW CONFIRMED THE USER PERFORMED A TWO-STEP TRANS-EPITHELIUM TREATMENT. THE EPITHELIUM WAS REMOVED WITH PTK AND THEN THE REFRACTIVE CORRECTION WAS PERFORMED WITH PRK WHERE LASER IS NOT ADMITTED. NO TECHNICAL ROOT CAUSE WAS IDENTIFIED AS THE PRODUCT WAS FOUND TO BE WITHIN SPECIFICATIONS. THE ROOT CAUSE COULD NOT BE DETERMINED CONCLUSIVELY. THEY PERFORMED A TWO-STEP TRANS-EPITHELIUM TREATMENT WHICH COULD CAUSE AN UNEXPECTED REFRACTION OUTCOME. THE MANUFACTURER INTERNAL REFERENCE NUMBER IS: (B)(4).
INVESTIGATION, INCLUDING ROOT CAUSE ANALYSIS, IS IN PROGRESS. A SUPPLEMENTAL MDR WILL BE FILED AS NECESSARY IN ACCORDANCE WITH 21 CFR 803.56 WHEN ADDITIONAL REPORTABLE INFORMATION BECOMES AVAILABLE. DEVICE HISTORY RECORD (DHR) FOR THE DEVICE REVIEWED. THE ASSOCIATED DEVICE WAS RELEASED BASED ON COMPANY'S ACCEPTANCE CRITERIA. THE MANUFACTURER INTERNAL REFERENCE NUMBER IS: (B)(4).
A DOCTOR REPORTED A PHOTO REFRACTIVE KERATECTOMY (PRK) PROCEDURE WAS PERFORMED USING PHOTOTHERAPEUTIC KERATECTOMY (PTK) PROFILE IN THE LEFT EYE. EXCIMER LASER WAS USED TO REMOVE THE EPITHELIUM. TWO MONTHS POST-OPERATIVELY THE PATIENT RESULTED WITH HYPEROPIA. PATIENT WAS MYOPIC INITIALLY. DIFFERENCE IN OPTICAL ZONE WAS NOTED BETWEEN PTK PROFILE AND REFRACTIVE PROFILE. THERE ARE TWO RELATED REPORTS FOR THIS PATIENT. THIS REPORT ADDRESSES THE PATIENT'S LEFT EYE AND ANOTHER MANUFACTURER REPORT WILL BE FILED FOR THE FELLOW EYE.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 629964 | WAVELIGHT EX500 EXCIMER LASER | OPHTHALMIC EXCIMER LASER SYSTEM | LZS | WAVELIGHT GMBH | NA | NA |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 40 YR | Other |