Reported Reactions

Devices › Instrument, vitreous aspiration and cutting, ac-powered

Device brand name · Instrument vitreous aspiration and cutting ac-powered accessory

Backflush Handle DSP: medical device reports filed with FDA

233 reports name it, 2017–2026. Manufacturer given most often on reports: Alcon Grieshaber. Product code HQE.

233
device reports naming the brand
0% of all MAUDE reports · about 25 a year
43
reports, 12 months to August 2026
148 in the 12 months before
42.5%
classified as malfunction
56.3% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

FDA's MAUDE database holds 233 reports that name the brand "Backflush Handle DSP" (instrument vitreous aspiration and cutting ac-powered accessory), received between March 2017 and August 2026; the manufacturer given most often on reports is Alcon Grieshaber. Spellings of one product vary from report to report.

43 reports arrived in the 12 months to August 2026, down 71% from 148 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 (57.5%) and malfunction (42.5%); across all instrument, vitreous aspiration and cutting, ac-powered reports (product code HQE) death is recorded in 0% and malfunction in 56.3%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are improper flow or infusion (14.2%), break (8.6%) and suction failure (8.6%). The patient problems coded most often are eye infections, transmissible spongiform encephalopathy(tse) and endophthalmitis. 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

063125Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 1Feb 2022: 0Mar 2022: 1Apr 2022: 0May 2022: 1Jun 2022: 1Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 0Dec 2022: 12023Jan 2023: 5Feb 2023: 1Mar 2023: 0Apr 2023: 0May 2023: 0Jun 2023: 1Jul 2023: 4Aug 2023: 1Sep 2023: 1Oct 2023: 3Nov 2023: 1Dec 2023: 02024Jan 2024: 1Feb 2024: 1Mar 2024: 0Apr 2024: 2May 2024: 0Jun 2024: 1Jul 2024: 1Aug 2024: 2Sep 2024: 0Oct 2024: 1Nov 2024: 0Dec 2024: 92025Jan 2025: 125Feb 2025: 1Mar 2025: 2Apr 2025: 2May 2025: 3Jun 2025: 0Jul 2025: 2Aug 2025: 3Sep 2025: 4Oct 2025: 3Nov 2025: 3Dec 2025: 22026Jan 2026: 0Feb 2026: 1Mar 2026: 4Apr 2026: 6May 2026: 4Jun 2026: 6Jul 2026: 6Aug 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

0751502017: 620172018: 320182019: 320192022: 520222023: 1720232024: 1820242025: 15020252026: 312026

Event type and report source

Event type, as classified on the report

Death0%0
Injury57.5%134
Malfunction42.5%99
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%233
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 5,964 reports carrying product code HQE. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Improper flow or infusion3314.2%0.6%
Breakthe device broke208.6%1%
Suction failure208.6%0.7%
Suction problem73%2.2%
Obstruction of flow62.6%0.3%
Fitting problem52.1%4.4%
Complete blockage41.7%0.3%
Fluid/blood leak41.7%0.3%
Detachment of device or device componentpart of the device came off31.3%0.2%
Connection problema connection problem20.9%0.1%
Device-device incompatibility20.9%0.1%
Inability to irrigate20.9%1.5%
Loose or intermittent connection20.9%0.1%
Activation problem10.4%0%
Decrease in suction10.4%0.2%
Device handling problem10.4%0%
Material twisted/bent10.4%0.1%
Particulates10.4%2.5%
Retraction problem10.4%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
Eye infections4117.6%
Transmissible spongiform encephalopathy(tse)3314.2%
Endophthalmitisinfection inside the eye2611.2%
Retinal tear219%
Retinal hemorrhage156.4%
Laceration(s)93.9%
Phototoxicity83.4%
Foreign body in patientpart of a device left in the patient31.3%
Inflammationinflammation31.3%
Appropriate clinical signs, symptoms and conditions term/code not available10.4%
Eye injury10.4%
Iritis10.4%

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

In context

MeasureBackflush Handle DSPProduct code HQEAll MAUDE reports
Reports2335,96426,136,888
Share of that pool—3.9%0%
Classified as death, per 1,000 reports009
Classified as injury57.5%42.3%36.2%
Classified as malfunction42.5%56.3%62.3%
Filed by the manufacturer100%95.2%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 HQE

BrandReportsLatest 12 monthsClassified as death
Series Twenty Thousand Legacy2,57300%
Laser Probes512270%
Storz Premiere Ophthalmic Microsurgical Unit37000%
HyperVit Vitrectomy Probe3362210%
Accurus 800cs1,45700%
Accurus 600ds21700%
Accurus 400vs52500%
Infiniti Vision System5,25900%
Alcon18020%
Millennium Microsurgical System15200%
Series 20000 Legacy37000%
Viscoat22000.5%
Infiniti Vision System Ozil3,53000%
M Series27,11242.3%
Custom Pak1,26200%

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 Backflush Handle DSP reports

How many FDA reports name Backflush Handle DSP?

233 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 43 in the latest 12 months.

What kinds of events are reported?

injury (57.5%) and malfunction (42.5%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

improper flow or infusion (14.2%), break (8.6%), suction failure (8.6%), suction problem (3%) and obstruction of flow (2.6%). 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 Backflush Handle DSP 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.