MAUDE Adverse Event Report: SMITH & NEPHEW, INC. UNKN CHS COMPRESSION HIP SCREW; PLATE, FIXATION, BONE

Catalog Number UNKNOWN

Device Problem Loosening of Implant Not Related to Bone-Ingrowth (4002)

Patient Problem Discomfort (2330)

Event Date 10/10/2008

Event Type  Injury  

Manufacturer Narrative

Internal complaint reference: (b)(4).Webb, j.A., almaiyah, m., mcvie, j., & montgomery, r.J.(2008).Proximal femoral osteotomies in children using the richards hip screw: techniques, outcome and subsequent removal.Journal of children's orthopaedics, 2(6), 417-423.Doi: 10.1007/s11832-008-0127-8.

Event Description

It was reported that on literature review "proximal femoral osteotomies in children using the richards hip screw: techniques, outcome and subsequent removal", (1) patient was readmitted with increased discomfort; 2 weeks after derotation osteotomy, using a chs (compression hip screws) radiographs showed that the upper fragment had rotated around the screw and was loose.The osteotomy was repositioned and it was fixed with a standard ao tibial plate, contoured to fit the upper femur.The patient remained non-weight-bearing until bone union and had no further problems no further information is available.

Manufacturer Narrative

Given the nature of the alleged incident, the device, could not be returned for evaluation.The clinical/medical investigation concluded that, the literature article was reviewed.The images provided in the article have been interpreted within the text; therefore, no further analysis of the images is required.However as of the date of this medical investigation, patient-specific supporting clinical documentation has not been provided.Therefore, there were no clinical factors found which would have contributed to the event.The patient impact beyond the reported events cannot be determined with the limited information provided.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.Factors that could contribute to the reported event include, postoperative care, size selected or poor insertion technique.The contribution of the device to the reported event could not be corroborated.Based on this investigation, the need for corrective action is not indicated.Without the return of the actual product involved, our investigation could not proceed.Should additional information be received, the complaint will be reopened.No further investigation is warranted for this complaint; however, we will continue to monitor for future complaints and investigate as necessary.We consider this investigation closed.Internal complaint reference number: (b)(4).

• Brand Name: UNKN CHS COMPRESSION HIP SCREW
• Type of Device: PLATE, FIXATION, BONE
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• Manufacturer (Section G): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• Manufacturer Contact: holly topping ; 7000 west william cannon drive; austin, TX 78735 ; 5123913905
• MDR Report Key: 15665598
• MDR Text Key: 302335518
• Report Number: 1020279-2022-04548
• Device Sequence Number: 1
• Product Code: HRS
• Combination Product (y/n): N
• Reporter Country Code: UK
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,Foreign,Literature,Health Professional
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 11/21/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 10/25/2022
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Catalogue Number: UNKNOWN
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 11/17/2022
• Was Device Evaluated by Manufacturer?: No
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention