FDA Adverse Event Injury Summary report: N

NOVOSORB BTM

MDR report key: 22935496 · Received September 2, 2025

Report

Report Number
3007886187-2025-00024
Event Type
Injury
Date Received
September 2, 2025
Report Date
September 1, 2025
Manufacturer
POLYNOVO BIOMATERIALS PTY LTD
Product Code
QSZ
PMA / PMN Number
K172140
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
UK
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE DEVICE WAS NOT AVAILABLE AND THEREFORE A DEVICE EVALUATION COULD NOT BE PERFORMED. A DEVICE HISTORY RECORD REVIEW WAS UNABLE TO BE COMPLETED AS A LOT NUMBER WAS NOT PROVIDED. A HIGH-LEVEL ANALYSIS WAS PERFORMED AND THERE WERE NO NON-CONFORMITIES FOUND TO BE RELATED TO THE REPORTED EVENT. A REVIEW OF THE DEVICE¿S RISK PROFILE SUGGESTS THE REPORTED EVENT DOES NOT CONSTITUTE A NEW HARM OR HAZARD. AN ADVERSE EVENT APPEARS TO HAVE OCCURRED BUT DOES NOT APPEAR TO HAVE BEEN A PROBLEM WITH THE DEVICE OR THE WAY IT WAS USED. THE REPORTED ISSUE IS A KNOWN RISK ASSOCIATED WITH THE USE OF THE DEVICE. BASED ON THE INFORMATION RECEIVED, THE ROOT CAUSE OF THE REPORTED EVENT COULD NOT BE CONCLUSIVELY IDENTIFIED. THE IFU ADEQUATELY PROVIDES INSTRUCTIONS FOR IMPLANTATION, PRECAUTIONS, AND WARNINGS FOR THE PROPER USE AND HANDLING OF THE DEVICE. POLYNOVO COULD NOT CONFIRM A DETERIORATION OR CHANGE IN THE CHARACTERISTICS OR PERFORMANCE, OR INACCURACIES IN THE LABELLING OR INSTRUCTION FOR THE REPORTED CASE. THE RATE OF THE REPORTED ISSUE TO POLYNOVO IS CONSIDERED LOW AND ACCEPTABLE. THE CLINICAL BENEFITS CONTINUE TO OUTWEIGH THE POTENTIAL RISKS ASSOCIATED WITH THIS HAZARD/USE OF THE DEVICE. NO TREND OR DEFICIENCY HAS BEEN IDENTIFIED. POLYNOVO DOES NOT BELIEVE THAT A CORRECTIVE ACTION IS WARRANTED. POLYNOVO WILL CONTINUE TO INVESTIGATE AND MONITOR COMPLAINTS OF THIS NATURE. MFR REFERENCE #: (B)(4).

Description of Event or Problem · 0

IT WAS REPORTED THAT THE PATIENT HAVE STREPTOCOCCAL A SEPTICAEMIA AND SEPTIC EMBOLISM, WHERE THEY HAD BILATERAL THIGH AMPUTATION WITH EXPOSED BONE AND BILATERAL FOREARM DEBRIDEMENT WITH EXPOSED MUSCLE. BTM, STSG AND NPWT WERE USED IN THE AMPUTATED STUMPS, STSG WITHOUT NPWT WAS APPLIED IN A DEFECT IN THE ANTERIOR SHIN AND THE DORSUM OF THE RIGHT FOOT. BTM WAS REMOVED FROM THE LEFT THIGH STUMP AND LEFT FOREARM DUE TO HAEMATOMA, BUT WAS RETAINED IN THE RIGHT UPPER ARM, RESULTING IN FULL TAKE DESPITE THE HAEMATOMA UNDERNEATH. THE HAEMATOMA REQUIRED REMOVAL AND RE-APPLICATION OF BTM. SEVEN DAYS LATER, BTM AND NPWT WERE APPLIED TO THE LEFT STUMP AND LEFT FOREARM, WHILE BTM REMAINED IN PLACE IN THE RIGHT STUMP AND RIGHT UPPER ARM. AT 25 DAYS, STSG AND NPWT WERE PERFORMED. ANY OMITTED INFORMATION WAS NOT AVAILABLE AT THE TIME OF THIS REPORT. PLEASE REFERENCE HTTPS://DOI.ORG/10.3390/JCM14155427.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2075411 NOVOSORB BTM Absorbable synthetic wound dressing QSZ POLYNOVO BIOMATERIALS PTY LTD

Patients

Seq Age Sex Outcome Treatment
1 3 YR Male Required Intervention