Reported Reactions

Devices › Hearing aid, bone conduction, implanted

Device brand name · Cochlear baha connect system

BA400 Abutment 10mm: medical device reports filed with FDA

419 reports name it, 2017–2026. Manufacturer given most often on reports: Cochlear Bone Anchored Solutions. Product code MAH.

419
device reports naming the brand
0% of all MAUDE reports · about 44 a year
18
reports, 12 months to August 2026
32 in the 12 months before
0%
classified as malfunction
0.5% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

FDA's MAUDE database holds 419 reports that name the brand "BA400 Abutment 10mm" (cochlear baha connect system), received between January 2017 and August 2026; the manufacturer given most often on reports is Cochlear Bone Anchored Solutions. Spellings of one product vary from report to report.

18 reports arrived in the 12 months to August 2026, down 44% from 32 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 (100%); across all hearing aid, bone conduction, implanted reports (product code MAH) death is recorded in 0% and malfunction in 0.5%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are patient device interaction problem (46.8%), insufficient device problem information (2.1%) and detachment of device or device component (0.7%). The patient problems coded most often are impaired healing, skin infection and appropriate clinical signs, symptoms and conditions term/code not available. 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

0917Sep 2021: 6Oct 2021: 6Nov 2021: 7Dec 2021: 62022Jan 2022: 7Feb 2022: 6Mar 2022: 6Apr 2022: 3May 2022: 9Jun 2022: 7Jul 2022: 3Aug 2022: 6Sep 2022: 17Oct 2022: 8Nov 2022: 7Dec 2022: 42023Jan 2023: 7Feb 2023: 4Mar 2023: 2Apr 2023: 2May 2023: 15Jun 2023: 7Jul 2023: 5Aug 2023: 8Sep 2023: 2Oct 2023: 5Nov 2023: 6Dec 2023: 102024Jan 2024: 8Feb 2024: 0Mar 2024: 1Apr 2024: 10May 2024: 4Jun 2024: 6Jul 2024: 7Aug 2024: 2Sep 2024: 6Oct 2024: 6Nov 2024: 2Dec 2024: 12025Jan 2025: 2Feb 2025: 0Mar 2025: 2Apr 2025: 3May 2025: 2Jun 2025: 0Jul 2025: 4Aug 2025: 4Sep 2025: 7Oct 2025: 0Nov 2025: 4Dec 2025: 02026Jan 2026: 1Feb 2026: 0Mar 2026: 2Apr 2026: 1May 2026: 2Jun 2026: 0Jul 2026: 0Aug 2026: 1

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

042832017: 1820172018: 2920182019: 3520192020: 3720202021: 5620212022: 8320222023: 7320232024: 5320242025: 2820252026: 72026

Event type and report source

Event type, as classified on the report

Death0%0
Injury100%419
Malfunction0%0
Other0%0
Not given0%0

Who filed the report

Manufacturer report68.5%287
Voluntary report0%0
User facility report0%0
Distributor report31.5%132
Not given0%0

Grey bar: all 6,708 reports carrying product code MAH. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Patient device interaction problem19646.8%28%
Insufficient device problem information92.1%2%
Detachment of device or device componentpart of the device came off30.7%0.5%
Inadequacy of device shape and/or size30.7%0.5%
Loss of osseointegration30.7%13.6%
Device appears to trigger rejection20.5%0.1%
Patient-device incompatibilitythe device did not suit the patient20.5%0.2%
Therapeutic or diagnostic output failure20.5%0.3%
Biocompatibility10.2%0.1%
Failure to osseointegrate10.2%8.3%
Improper or incorrect procedure or method10.2%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)ReportsShare
Impaired healingslow healing9422.4%
Skin infection9121.7%
Appropriate clinical signs, symptoms and conditions term/code not available307.2%
Host-tissue reaction235.5%
Bacterial infectiona bacterial infection225.3%
Painpain, site not specified194.5%
Skin inflammation/ irritation194.5%
Inflammationinflammation102.4%
Scar tissue102.4%
Swellingswelling102.4%
Purulent discharge81.9%
Cellulitisa skin infection71.7%
Erythemaskin redness61.4%
Fluid discharge61.4%
Head injurya head injury61.4%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureBA400 Abutment 10mmProduct code MAHAll MAUDE reports
Reports4196,70826,136,888
Share of that pool—6.2%0%
Classified as death, per 1,000 reports009
Classified as injury100%96%36.2%
Classified as malfunction0%0.5%62.3%
Filed by the manufacturer68.5%72.4%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 MAH

BrandReportsLatest 12 monthsClassified as death
Asku4,7522101.1%
BIA400 Implant 4mm w Abutment 10mm833680%
Ponto799420%
BIA400 Implant 4mm w Abutment 12mm673350%
BIA400 Implant 4mm w Abutment 8mm502330%
BA400 Abutment 12mm321210%
Ba400 Abutment 8mm31270%
BIA400 Implant 4mm w Abutment 14mm205250%
Flange Fixture And Abutment2,92000%
Vibrant Soundbridge1,265820%
BIM400 Implant Magnet1,1551530%
Flange Fixture St 4mm W Baha Abutment19790%
Bi300 Implant 3mm181190%
BI300 Implant 4 mm314280%
Bonebridge485990%

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 BA400 Abutment 10mm reports

How many FDA reports name BA400 Abutment 10mm?

419 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 18 in the latest 12 months.

What kinds of events are reported?

injury (100%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

patient device interaction problem (46.8%), insufficient device problem information (2.1%), detachment of device or device component (0.7%), inadequacy of device shape and/or size (0.7%) and loss of osseointegration (0.7%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (68.5%) and distributor reports (31.5%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that BA400 Abutment 10mm 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.