Reported Reactions

Devices › Rod, fixation, intramedullary and accessories

Device brand name · Rod fixation intramedullary

UNK - Nail Head Elements: TFNA Helical Blade: medical device reports filed with FDA

270 reports name it, 2019–2026. Manufacturer given most often on reports: Synthes. Product code HSB.

270
device reports naming the brand
0% of all MAUDE reports · about 38 a year
13
reports, 12 months to August 2026
32 in the 12 months before
23.3%
classified as malfunction
33% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

FDA's MAUDE database holds 270 reports that name the brand "UNK - Nail Head Elements: TFNA Helical Blade" (rod fixation intramedullary), received between June 2019 and August 2026; the manufacturer given most often on reports is Synthes. Spellings of one product vary from report to report.

13 reports arrived in the 12 months to August 2026, down 59% 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 (76.7%) and malfunction (23.3%); across all rod, fixation, intramedullary and accessories reports (product code HSB) death is recorded in 0.3% and malfunction in 33%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are migration (54.4%), device-device incompatibility (15.6%) and break (3.3%). The patient problems coded most often are appropriate clinical signs, symptoms and conditions term/code not available, pain and failure of implant. 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

059Sep 2021: 2Oct 2021: 4Nov 2021: 7Dec 2021: 42022Jan 2022: 5Feb 2022: 4Mar 2022: 6Apr 2022: 1May 2022: 0Jun 2022: 2Jul 2022: 6Aug 2022: 2Sep 2022: 0Oct 2022: 0Nov 2022: 2Dec 2022: 72023Jan 2023: 0Feb 2023: 1Mar 2023: 0Apr 2023: 4May 2023: 2Jun 2023: 2Jul 2023: 9Aug 2023: 9Sep 2023: 4Oct 2023: 3Nov 2023: 3Dec 2023: 12024Jan 2024: 3Feb 2024: 7Mar 2024: 9Apr 2024: 2May 2024: 3Jun 2024: 2Jul 2024: 8Aug 2024: 2Sep 2024: 4Oct 2024: 5Nov 2024: 1Dec 2024: 52025Jan 2025: 2Feb 2025: 1Mar 2025: 1Apr 2025: 1May 2025: 6Jun 2025: 1Jul 2025: 4Aug 2025: 1Sep 2025: 0Oct 2025: 1Nov 2025: 2Dec 2025: 02026Jan 2026: 2Feb 2026: 2Mar 2026: 0Apr 2026: 2May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 4

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

029572019: 1820192020: 4120202021: 5720212022: 3520222023: 3820232024: 5120242025: 2020252026: 102026

Event type and report source

Event type, as classified on the report

Death0%0
Injury76.7%207
Malfunction23.3%63
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%270
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 37,835 reports carrying product code HSB. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Migrationthe device moved from where it was placed14754.4%6.1%
Device-device incompatibility4215.6%7.8%
Breakthe device broke93.3%21.8%
Crackthe device cracked10.4%0.4%
Material deformation10.4%1.1%
Material twisted/bent10.4%1.3%
Migration or expulsion of device10.4%3%
Unstable10.4%0.1%

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
Appropriate clinical signs, symptoms and conditions term/code not available3713.7%
Painpain, site not specified3312.2%
Failure of implant3111.5%
Nonunion/delayed-union bone fracture207.4%
Bone fracture(s)155.6%
Physical asymmetry72.6%
Injurya physical injury62.2%
Necrosisdeath of tissue62.2%
Falla fall31.1%
Discomfortdiscomfort20.7%
Loss of range of motion20.7%
Malunion of bone20.7%
Ambulation or postural difficulties10.4%
Bone notching10.4%
Fever10.4%

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

In context

MeasureUNK - Nail Head Elements: TFNA Helical BladeProduct code HSBAll MAUDE reports
Reports27037,83526,136,888
Share of that pool—0.7%0%
Classified as death, per 1,000 reports039
Classified as injury76.7%66.3%36.2%
Classified as malfunction23.3%33%62.3%
Filed by the manufacturer100%98.9%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 HSB

BrandReportsLatest 12 monthsClassified as death
Sign Im Nail2,3012260%
UNK - Nails: TFNA412240%
Trochanteric Nail Kit Ti Gamma3 11x180mm X 12536600.3%
Unknown T2 Scn35500%
SIGN Fin NAIL335500%
Unk - Nail Head Elements Pfna Blade26010%
Radiolucent Insertion Handle Frn256140%
Helical Blade/Screw Coupling Screw226410%
Precice Stryde System22600%
Lag Screw Driver223140%
Unknown T2 Tibia Nail22300%
Cannulated Connecting Screw206270%
Target Device Gamma3 300x160mm23910%
Unknown T2 Alpha Tibia Nail1991750%
Unknown Kie Product219210.5%

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 - Nail Head Elements: TFNA Helical Blade reports

How many FDA reports name UNK - Nail Head Elements: TFNA Helical Blade?

270 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 13 in the latest 12 months.

What kinds of events are reported?

injury (76.7%) and malfunction (23.3%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

migration (54.4%), device-device incompatibility (15.6%), break (3.3%), crack (0.4%) and material deformation (0.4%). 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 - Nail Head Elements: TFNA Helical Blade 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.