FDA Adverse Event Injury Summary report: N

WAVELIGHT EX500 EXCIMER LASER

MDR report key: 8836284 · Received July 29, 2019

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

Additional Manufacturer Narrative · 0

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).

Additional Manufacturer Narrative · 1

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).

Description of Event or Problem · 1

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