FDA Adverse Event Malfunction Summary report: N

UNKNOWN HIP IMPLANT

MDR report key: 12539869 · Received September 28, 2021

Report

Report Number
1818910-2021-21238
Event Type
Malfunction
Date Received
September 28, 2021
Date of Event
May 24, 2020
Report Date
September 10, 2021
Manufacturer
DEPUY ORTHOPAEDICS INC US
Product Code
LPH
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CH
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

PRODUCT COMPLAINT # (B)(4). INVESTIGATION SUMMARY NO DEVICE ASSOCIATED WITH THIS REPORT WAS RECEIVED FOR EXAMINATION. EXAMINATION OF ALL PATIENT X-RAYS CONTAINED IN THE PROVIDED LITERATURE ARTICLE DID NOT FIND SUFFICIENT EVIDENCE TO CONFIRM LOOSENING OR MIGRATION OF THE REPORTED HIP IMPLANT. THERE IS NO EVIDENCE OF ANY LOOSENING OR MIGRATION OF ANY DEVICE OTHER THAN THE CUP AS NOTED IN THAT INVESTIGATION. DEPUY SYNTHES CONSIDERS THE INVESTIGATION CLOSED AT THIS TIME. SHOULD ADDITIONAL INFORMATION BE RECEIVED, THE INFORMATION WILL BE REVIEWED, AND THE INVESTIGATION MAY BE RE-OPENED AS NECESSARY. DEVICE HISTORY LOT A DEVICE HISTORY RECORD (MRE) REVIEW, WAS NOT POSSIBLE BECAUSE THE REQUIRED LOT CODE WAS NOT PROVIDED.

Additional Manufacturer Narrative · 1

PRODUCT COMPLAINT # (B)(4). IF INFORMATION IS OBTAINED THAT WAS NOT AVAILABLE FOR THE INITIAL MEDWATCH, A FOLLOW-UP MEDWATCH WILL BE FILED AS APPROPRIATE.

Description of Event or Problem · 1

ARTICLE ENTITLED ¿REVERSE REAMING DISTRACTION FOR ACETABULAR RECONSTRUCTION OF CHRONIC PELVIC DISCONTINUITY" WRITTEN BY JING-YANG SUN, MING NI, HAI-YANG MA, YIN-QIAO DU, JUN-MIN SHEN, JI-YING CHEN, YONG-GANG ZHOU, AND GUO-GIANG ZHANG, PUBLISHED BY JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH, 24 MAY 2020, WAS REVIEWED. THE AIM OF THIS STUDY IS TO DESCRIBE A MODIFIED DISTRACTION TECHNIQUE AND TO SHOW OUR RESULTS. THE ACETABULAR DISTRACTION TECHNIQUE DEMONSTRATES ENCOURAGING RADIOGRAPHIC AND CLINICAL OUTCOMES IN TREATING CHRONIC PELVIC DISCONTINUITY. THIS STUDY IDENTIFIED 12 CASES OF CHRONIC PELVIC DISCONTINUITY UNDERGOING PRIMARY OR REVISION TOTAL HIP ARTHROPLASTY (THA) WITH THE TECHNIQUE OF REVERSE REAMING DISTRACTION BETWEEN JULY 2015 AND NOVEMBER 2018. ALL 12 PATIENTS HAD A MINIMUM FOLLOW-UP OF 12 MONTHS. RADIOGRAPHS WERE REVIEWED TO INSPECT FOR COMPONENT LOOSENING. CLINICAL ASSESSMENT INCLUDED THE HARRIS HIP SCORE (HHS) AND AN AMBULATORY SCORING SYSTEM. AT THE TIME OF FINAL FOLLOW-UP, NO PATIENT WAS REVISED. ONE PATIENT HAD UP TO 1 CM MIGRATION OF THE CUP IN A HORIZONTAL OR VERTICAL DIRECTION AND MORE THAN 20° CHANGE IN THE ABDUCTION ANGLE BUT WAS ASYMPTOMATIC. IN THE REMAINING 11 PATIENTS, NO MIGRATION OF THE COMPONENT WAS DETECTED. BOTH THE HHS AND AMBULATORY SCORE SHOWED IMPROVEMENT IN ALL PATIENTS. THERE WERE NO PERIOPERATIVE COMPLICATIONS. NO POSTOPERATIVE DISLOCATION OCCURRED. IT WAS CONCLUDED THAT REVERSE REAMING DISTRACTION IS A FEASIBLE TECHNIQUE IN TREATMENT OF CHRONIC PELVIC DISCONTINUITY, WITH ENCOURAGING RESULTS AT EARLY TERM. HOWEVER, ONGOING FOLLOW-UP IS REQUIRED TO DETERMINE THE LONG-TERM PROGNOSIS IN PATIENTS RECEIVING THIS TECHNIQUE. ADVERSE EVENTS NOTED IN THIS ARTICLE INCLUDED: ACETABULAR MIGRATION/ ACETABULAR CUP LOOSENING AT BONE/IMPLANT INTERFACE. THIS STUDY INCLUDED COMPETITOR HIPS, AS WELL AS DEPUY PINNACLE GRIPTION CUP. THERE WAS NO INDICATION PROVIDED AS TO WHICH HIP HAD THE MIGRATION ISSUE, SO IT WILL BE REPORTED AS DEPUY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1440682 UNKNOWN HIP IMPLANT HIP IMPLANT LPH DEPUY ORTHOPAEDICS INC US

Patients

Seq Age Sex Outcome Treatment
1 Unknown