MAUDE Adverse Event Report: MENTOR TEXAS MENTOR CPX 4 BREAST TISSUE EXPANDER WITH SUTURE TABS; EXPANDER, SKIN, INFLATABLE

Catalog Number	3549213
Medical Device Problem Code	Material Rupture (1546)
Health Effect - Clinical Code	Deformity/ Disfigurement (2360)
Date of Event	07/11/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Photo evaluation summary: upon visual evaluation of the image provided in the complaint no apparent damage or visual anomalies were observed.As the product involved in this complaint was not received, the device could not be analyzed according to our procedures.Mentor also performed a manufacturing record evaluation related to the reported complaint for the finished device lot number.No manufacturing non-conformances were identified as part of this evaluation.As part of mentor's quality process, all devices are manufactured, inspected, and released according to approved specifications.Based on the results of this investigation, it was determined that the product met the manufacturing release criteria: since no malfunction was observed during the investigation.No corrective and preventive action (capa) is required now.Additional complaint information monitoring for potential safety signals will be conducted through complaint trending as part of post market surveillance.Manufacturer¿s reference number: (b)(4).
Event or Problem Description
It was reported that a patient implanted with a 450cc mentor cpx 4 breast tissue expander with suture tabs experienced a deflation on the left side post-operatively.As a result, the patient underwent explantation on (b)(6) 2025.
Additional Manufacturer Narrative
The mentor failure analysis lab received the device for evaluation.The analysis has begun but is not complete at this time.When the investigational analysis has been completed, a supplemental report will be submitted.Manufacturer¿s reference number: (b)(4).
Additional Manufacturer Narrative
Device evaluation summary: the product was returned to mentor for evaluation.Mentor then conducted visual inspection and microscopic examination of the returned device.Visual analysis of the returned device determined that a tear was found on the anterior aspect of the tissue expander, measuring approximately 1.5 cm.Microscopic examination was performed on the edges of the rupture, and parallel striations were found in the whole area of the tear.Parallel striations are consistent with markings made by a sharp object perforating the tissue expander shell.Based on the information currently available, microscopic examination of the returned product indicates that the tissue expander could have been damaged during or subsequent to implantation.The product insert data sheet cautions to not allow cautery devices or sharp instruments, such as scalpels, suture needles, hypodermic needles, hemostats, adson forceps or scissors to contact the device during the implantation or other surgical procedures.As part of mentor's quality process, all devices are manufactured, inspected, and released according to approved specifications.Based on the results of this investigation, it was determined that the product met the manufacturing release criteria: no corrective and preventive action (capa) is required now.Additional complaint information monitoring for potential safety signals is conducted through complaint trending as part of post market surveillance.Manufacturer¿s reference number: (b)(4).

• Brand Name: MENTOR CPX 4 BREAST TISSUE EXPANDER WITH SUTURE TABS
• Common Device Name: EXPANDER, SKIN, INFLATABLE
• Manufacturer (Section D): MENTOR TEXAS; 3041 skyway circle north; irving TX 75038
• Manufacturer (Section G): MENTOR TEXAS; 3041 skyway circle north; irving TX 75038
• Manufacturer Contact: henry boden ; 3041 skyway circle north; irving, TX 75038 ; 9497882078
• MDR Report Key: 23747158
• Report Number: 1645337-2025-13609
• Device Sequence Number: 17608745
• Product Code: LCJ
• UDI-Device Identifier: 00081317006732
• UDI-Public: (01)00081317006732(17)280403(10)9988471
• Combination Product (Y/N): N
• Initial Reporter Country: KS
• PMA/510(K) Number: K130813
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,Foreign
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup,Followup

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 3549213
• Device Lot Number: 9988471
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 11/17/2025
• Supplement Date Received by Manufacturer: 01/28/2026; 03/22/2026
• Initial Report FDA Received Date: 12/08/2025
• Supplement Report FDA Received Date: 02/18/2026; 04/06/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/09/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Female