Reported Reactions

Devices › Lens, guide, intraocular

Device brand name · Intraocular lens delivery system

Monarch Delivery System: medical device reports filed with FDA

270 reports name it, 1999–2000. Manufacturer given most often on reports: Alcon Laboratories. Product code KYB.

270
device reports naming the brand
0% of all MAUDE reports · about 10 a year
0
reports, 12 months to August 2026
0 in the 12 months before
95.9%
classified as malfunction
81.5% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

270 medical device reports received by FDA name the brand "Monarch Delivery System" (intraocular lens delivery system); the manufacturer given most often on reports is Alcon Laboratories; received from April 1999 to June 2000. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

0 reports arrived in the 12 months to August 2026, and none 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 (95.9%), injury (3.7%) and other (0.4%); across all lens, guide, intraocular reports (product code KYB) death is recorded in 0% and malfunction in 81.5%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are sticking (65.6%), device damaged prior to use (25.9%) and failure to deliver (17.4%). The patient problems coded most often are eye injury, surgical procedure, additional and surgery, prolonged. 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

No report naming Monarch Delivery System was received in the five years to August 2026; the latest was received in June 2000.

Event type and report source

Event type, as classified on the report

Death0%0
Injury3.7%10
Malfunction95.9%259
Other0.4%1
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 8,704 reports carrying product code KYB. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Sticking17765.6%16.9%
Device damaged prior to usethe device was damaged before use7025.9%7.6%
Failure to deliverthe device did not deliver the dose or item4717.4%2.1%
Defective devicethe device was defective103.7%3%
Abnormal83%0.4%
Difficult to insertthe device was hard to insert83%3.1%
Tears, rips, holes in device, device material72.6%2.1%
Defective component62.2%2%
Component(s), broken41.5%0%
Explanted41.5%1.5%
Haptic(s), bent31.1%1.3%
Haptic(s), broken31.1%1.2%
Breakthe device broke20.7%6.6%
Other (for use when an appropriate device code cannot be identified)20.7%3.3%
Sharp/jagged/rough/etched/scratched20.7%0.2%
Device remains implanted10.4%0.5%
Malfunction10.4%0.2%
Material rupture10.4%0.1%
Replace10.4%1.4%

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)ReportsShare
Eye injury83%
Surgical procedure, additional51.9%
Surgery, prolonged41.5%
Membrane, breakage of20.7%
Other (for use when an appropriate patient code cannot be identified)20.7%
Tissue damage20.7%
Bacterial infectiona bacterial infection10.4%
Dural tear10.4%
Endophthalmitisinfection inside the eye10.4%
Foreign body, removal of10.4%
Surgical procedure10.4%
Visual impairmentreduced vision10.4%
Vitreous detachment10.4%

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

In context

MeasureMonarch Delivery SystemProduct code KYBAll MAUDE reports
Reports2708,70426,136,888
Share of that pool—3.1%0%
Classified as death, per 1,000 reports009
Classified as injury3.7%18.1%36.2%
Classified as malfunction95.9%81.5%62.3%
Filed by the manufacturer100%99.1%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 KYB

BrandReportsLatest 12 monthsClassified as death
Monarch Iol Delivery System - Cartridge1,44900%
AcrySof IQ Singlepiece IOL with ULTRASERT Delivery System1,8782440%
Microstaar Injector93400%
Platinum 1 Series54000%
AcrySof IQ Aspheric UV Absorbing IOLwith UltraSert Delivery System8501740%
Microstaar Injector Cartridge62200%
Emerald294100%
Monarch Iol Delivery System21400%
MONARCH IOL Delivery System, Injector, Unspecified173500%
Easy Load Inserter60000%
Monarch Iol Delivery System-Cartridge15200%
Acrysof Iq Singlepiece Iol W/Ultrasert Delivery System15000%
MONARCH IOL Delivery System, Cartridge220260%
Microstaar Foam Tip Plunger25100%
Alcon18020%

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 Monarch Delivery System reports

How many FDA reports name Monarch Delivery System?

270 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 0 in the latest 12 months.

What kinds of events are reported?

malfunction (95.9%), injury (3.7%) and other (0.4%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

sticking (65.6%), device damaged prior to use (25.9%), failure to deliver (17.4%), defective device (3.7%) and abnormal (3%). 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 Monarch Delivery System 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.