Device brand name · Cannula ophthalmic
Alcon Microsurgical Instruments, Cannula Ophthalmic: medical device reports filed with FDA
386 reports name it, 2016–2026. Manufacturer given most often on reports: Alcon Research - Alcon Precision Device. Product code HMX.
- 386
- device reports naming the brand
- 0% of all MAUDE reports · about 38 a year
- 82
- reports, 12 months to August 2026
- 92 in the 12 months before
- 80.3%
- classified as malfunction
- 64.8% across the product code
- 0%
- classified as death, as reported
- 0 reports · not verified by FDA
FDA's MAUDE database holds 386 reports that name the brand "Alcon Microsurgical Instruments, Cannula Ophthalmic" (cannula ophthalmic), received between April 2016 and August 2026; the manufacturer given most often on reports is Alcon Research - Alcon Precision Device. Spellings of one product vary from report to report.
82 reports arrived in the 12 months to August 2026, down 11% from 92 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 malfunction (80.3%) and injury (19.7%); across all cannula, ophthalmic reports (product code HMX) death is recorded in 0% and malfunction in 64.8%. Event type is the reporter's classification of the report, not a verified outcome.
The device problems coded most often are detachment of device or device component (19.9%), complete blockage (15%) and obstruction of flow (13.5%). The patient problems coded most often are foreign body in patient, capsular bag tear and blurred vision. 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 815 reports carrying product code HMX. 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 |
|---|---|---|---|
| Detachment of device or device componentpart of the device came off | 77 | 19.9% | 14.7% |
| Complete blockage | 58 | 15% | 8.3% |
| Obstruction of flow | 52 | 13.5% | 7.6% |
| Material separation | 43 | 11.1% | 7.9% |
| Fitting problem | 35 | 9.1% | 4.8% |
| Disconnection | 23 | 6% | 3.6% |
| Particulates | 14 | 3.6% | 5.9% |
| Detachment of device component | 12 | 3.1% | 4.4% |
| Device contamination with chemical or other material | 8 | 2.1% | 1.5% |
| Breakthe device broke | 7 | 1.8% | 8.1% |
| Fluid/blood leak | 4 | 1% | 0.6% |
| Material twisted/bent | 4 | 1% | 0.4% |
| No flow | 4 | 1% | 0.4% |
| Device dislodged or dislocated | 3 | 0.8% | 1.8% |
| Sticking | 3 | 0.8% | 0.5% |
| Unintended ejection | 3 | 0.8% | 0.5% |
| Blocked connection | 2 | 0.5% | 0.4% |
| Component falling | 2 | 0.5% | 0.7% |
| Contamination /decontamination problem | 2 | 0.5% | 1.1% |
| Defective component | 2 | 0.5% | 0.4% |
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 |
|---|---|---|
| Foreign body in patientpart of a device left in the patient | 12 | 3.1% |
| Capsular bag tear | 11 | 2.8% |
| Blurred vision | 10 | 2.6% |
| Retinal tear | 8 | 2.1% |
| Endophthalmitisinfection inside the eye | 7 | 1.8% |
| Corneal edema | 6 | 1.6% |
| Hemorrhage/blood loss/bleeding | 6 | 1.6% |
| Inflammationinflammation | 6 | 1.6% |
| Appropriate clinical signs, symptoms and conditions term/code not available | 5 | 1.3% |
| Eye injury | 5 | 1.3% |
| Eye infections | 4 | 1% |
| Vitreous hemorrhage | 4 | 1% |
| Intraocular pressure increasedraised pressure in the eye | 3 | 0.8% |
| Toxic anterior segment syndrome (tass) | 3 | 0.8% |
| Corneal abrasion | 2 | 0.5% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | Alcon Microsurgical Instruments, Cannula Ophthalmic | Product code HMX | All MAUDE reports |
|---|---|---|---|
| Reports | 386 | 815 | 26,136,888 |
| Share of that pool | — | 47.4% | 0% |
| Classified as death, per 1,000 reports | 0 | 0 | 9 |
| Classified as injury | 19.7% | 33.4% | 36.2% |
| Classified as malfunction | 80.3% | 64.8% | 62.3% |
| Filed by the manufacturer | 100% | 89.9% | 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 HMX
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| Alcon | 180 | 2 | 0% |
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 Alcon Microsurgical Instruments, Cannula Ophthalmic reports
How many FDA reports name Alcon Microsurgical Instruments, Cannula Ophthalmic?
386 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 82 in the latest 12 months.
What kinds of events are reported?
malfunction (80.3%) and injury (19.7%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
detachment of device or device component (19.9%), complete blockage (15%), obstruction of flow (13.5%), material separation (11.1%) and fitting problem (9.1%). 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 Alcon Microsurgical Instruments, Cannula Ophthalmic 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.