Devices › Prosthesis, breast, inflatable, internal, saline
Device brand name · Prosthesis breast inflatable internal saline
UNK Mammary Implant: medical device reports filed with FDA
14,425 reports name it, 2011–2026. Manufacturer given most often on reports: Allergan Costa Rica. Product code FWM.
- 14,425
- device reports naming the brand
- 0.1% of all MAUDE reports · about 951 a year
- 1,887
- reports, 12 months to August 2026
- 1,399 in the 12 months before
- 0.4%
- classified as malfunction
- 2.3% across the product code
- 0.2%
- classified as death, as reported
- 32 reports · not verified by FDA
14,425 medical device reports received by FDA name the brand "UNK Mammary Implant" (prosthesis breast inflatable internal saline); the manufacturer given most often on reports is Allergan Costa Rica; received from May 2011 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.
1,887 reports arrived in the 12 months to August 2026, up 35% from 1,399 in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are injury (99.4%), malfunction (0.4%) and death (0.2%); across all prosthesis, breast, inflatable, internal, saline reports (product code FWM) death is recorded in 0.1% and malfunction in 2.3%. Event type is the reporter's classification of the report, not a verified outcome.
The device problems coded most often are material rupture (50.4%), device appears to trigger rejection (21.6%) and patient-device incompatibility (10.1%). The patient problems coded most often are failure of implant, capsular contracture and seroma. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."
Reports by month, five years
Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.
By year received
Event type and report source
Event type, as classified on the report
Who filed the report
Grey bar: all 118,312 reports carrying product code FWM. Event type is the filer's classification and is not verified by FDA.
Device problems coded
| Device problem (FDA code) | Reports | Share | Share across product code |
|---|---|---|---|
| Material rupture | 7,263 | 50.4% | 31.3% |
| Device appears to trigger rejection | 3,116 | 21.6% | 6.4% |
| Patient-device incompatibilitythe device did not suit the patient | 1,459 | 10.1% | 3.9% |
| Fluid/blood leak | 1,155 | 8% | 36.8% |
| Migrationthe device moved from where it was placed | 209 | 1.4% | 1% |
| Malposition of device | 102 | 0.7% | 0.3% |
| Difficult to open or remove packaging material | 49 | 0.3% | 0% |
| Gel leak | 48 | 0.3% | 0.1% |
| Migration or expulsion of device | 23 | 0.2% | 0.2% |
| Breakthe device broke | 20 | 0.1% | 0.1% |
| Improper or incorrect procedure or method | 19 | 0.1% | 0.1% |
| Insufficient device problem information | 16 | 0.1% | 0.5% |
| Device handling problem | 14 | 0.1% | 0.1% |
| Material invagination | 9 | 0.1% | 0% |
| Biofilm coating in device | 8 | 0.1% | 0% |
| Deflation problem | 7 | 0% | 1.3% |
| Device dislodged or dislocated | 7 | 0% | 0% |
| Peeled/delaminated | 7 | 0% | 0.1% |
| Delivered as unsterile product | 2 | 0% | 0% |
| Loss of or failure to bond | 2 | 0% | 0% |
FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.
Patient problems coded
| Patient problem (FDA code) | Reports | Share |
|---|---|---|
| Failure of implant | 7,325 | 50.8% |
| Capsular contracturescar tissue tightening around an implant | 4,517 | 31.3% |
| Seromaa collection of fluid under the skin | 1,077 | 7.5% |
| Lymphomaa cancer of the lymphatic system | 434 | 3% |
| Swollen lymph nodes/glands | 206 | 1.4% |
| Anaplastic large cell lymphoma | 114 | 0.8% |
| Breast implant associated anaplastic large cell lymphoma (bia alcl) | 102 | 0.7% |
| Swollen lymph nodes | 86 | 0.6% |
| Breast mass | 82 | 0.6% |
| Necrosisdeath of tissue | 65 | 0.5% |
| Granuloma | 64 | 0.4% |
| Wound dehiscencea wound reopened | 56 | 0.4% |
| Appropriate clinical signs, symptoms and conditions term/code not available | 54 | 0.4% |
| Painpain, site not specified | 46 | 0.3% |
| Foreign body reaction | 34 | 0.2% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | UNK Mammary Implant | Product code FWM | All MAUDE reports |
|---|---|---|---|
| Reports | 14,425 | 118,312 | 26,136,888 |
| Share of that pool | — | 12.2% | 0.1% |
| Classified as death, per 1,000 reports | 2 | 1 | 9 |
| Classified as injury | 99.4% | 95.1% | 36.2% |
| Classified as malfunction | 0.4% | 2.3% | 62.3% |
| Filed by the manufacturer | 100% | 92.9% | 94.9% |
Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."
Other brands with product code FWM
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| Style 68 Saline Filled Breast Implant | 36,336 | 3,064 | 0% |
| MENTOR Smooth Round Moderate Profile | 16,263 | 1,082 | 0% |
| MENTOR Smooth Round Moderate Plus Profile | 6,562 | 535 | 0% |
| UNK Saline Implant | 6,336 | 671 | 0% |
| Unknown Saline Implants | 5,897 | 292 | 0% |
| MENTOR Smooth Round High Profile | 4,432 | 337 | 0% |
| Style 168 Saline Filled Breast Implant | 3,917 | 318 | 0.1% |
| Style 468 Saline Filled Breast Implant | 2,391 | 176 | 0.1% |
| MENTOR SILTEX Round Moderate Profile | 2,325 | 85 | 0% |
| Ideal Implant Structured Breast Implant | 1,547 | 0 | 0% |
| Pip Inc | 1,295 | 0 | 0% |
| Unknown Saline Implants Smooth | 999 | 98 | 0% |
| Hutchison | 987 | 0 | 0.1% |
| MENTOR Smooth Round SPECTRUM | 901 | 52 | 0% |
| Mentor | 788 | 0 | 0.1% |
Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."
Questions about UNK Mammary Implant reports
How many FDA reports name UNK Mammary Implant?
14,425 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 1,887 in the latest 12 months.
What kinds of events are reported?
injury (99.4%), malfunction (0.4%) and death (0.2%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
material rupture (50.4%), device appears to trigger rejection (21.6%), patient-device incompatibility (10.1%), fluid/blood leak (8%) and migration (1.4%). These are FDA's device problem codes as entered on the report.
Who files these reports?
manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.
Do these reports show that UNK Mammary Implant was at fault?
No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."
How do I report a problem with a medical device?
Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.
Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.
Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.