Reported Reactions

Devices › Intrauterine tamponade balloon

Device brand name · Oqy intrauterine balloon

Cook Bakri Postpartum Balloon with Rapid Instillation Components: medical device reports filed with FDA

361 reports name it, 2015–2026. Manufacturer given most often on reports: Cook. Product code OQY.

361
device reports naming the brand
0% of all MAUDE reports · about 32 a year
52
reports, 12 months to August 2026
37 in the 12 months before
74.2%
classified as malfunction
49.7% across the product code
0.3%
classified as death, as reported
1 reports · not verified by FDA

FDA's MAUDE database holds 361 reports that name the brand "Cook Bakri Postpartum Balloon with Rapid Instillation Components" (oqy intrauterine balloon), received between April 2015 and August 2026; the manufacturer given most often on reports is Cook. Spellings of one product vary from report to report.

52 reports arrived in the 12 months to August 2026, up 41% from 37 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 (74.2%), injury (25.5%) and death (0.3%); across all intrauterine tamponade balloon reports (product code OQY) death is recorded in 0.7% and malfunction in 49.7%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are fluid/blood leak (46.3%), material rupture (11.9%) and inflation problem (11.4%). The patient problems coded most often are hemorrhage/blood loss/bleeding, blood loss and foreign body in patient. 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: 3Oct 2021: 5Nov 2021: 3Dec 2021: 22022Jan 2022: 1Feb 2022: 7Mar 2022: 5Apr 2022: 2May 2022: 3Jun 2022: 2Jul 2022: 3Aug 2022: 2Sep 2022: 3Oct 2022: 1Nov 2022: 2Dec 2022: 22023Jan 2023: 0Feb 2023: 3Mar 2023: 2Apr 2023: 3May 2023: 4Jun 2023: 6Jul 2023: 2Aug 2023: 6Sep 2023: 3Oct 2023: 1Nov 2023: 2Dec 2023: 62024Jan 2024: 3Feb 2024: 5Mar 2024: 4Apr 2024: 6May 2024: 2Jun 2024: 3Jul 2024: 3Aug 2024: 5Sep 2024: 4Oct 2024: 6Nov 2024: 3Dec 2024: 12025Jan 2025: 3Feb 2025: 2Mar 2025: 1Apr 2025: 2May 2025: 6Jun 2025: 2Jul 2025: 3Aug 2025: 4Sep 2025: 1Oct 2025: 4Nov 2025: 5Dec 2025: 62026Jan 2026: 6Feb 2026: 4Mar 2026: 2Apr 2026: 9May 2026: 3Jun 2026: 1Jul 2026: 4Aug 2026: 7

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

024482015: 320152016: 72017: 2020172018: 482019: 2820192020: 362021: 2820212022: 332023: 3820232024: 452025: 3920252026: 36

Event type and report source

Event type, as classified on the report

Death0.3%1
Injury25.5%92
Malfunction74.2%268
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%361
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 1,341 reports carrying product code OQY. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Fluid/blood leak16746.3%31.5%
Material rupture4311.9%7.2%
Inflation problem4111.4%4.3%
Component missing133.6%1.3%
Breakthe device broke92.5%1.9%
Detachment of device or device componentpart of the device came off92.5%2%
Leak/splashthe device leaked82.2%3.4%
Deflation problem71.9%1.3%
Hole in material61.7%0.1%
Material puncture/hole61.7%1.7%
Burst container or vessel51.4%0.1%
Material separation51.4%0.2%
Device operates differently than expectedthe device behaved unexpectedly41.1%0.1%
Partial blockage41.1%0.1%
Material split, cut or torn30.8%0.3%
Positioning failure30.8%0.3%
Detachment of device component20.6%0%
Device dislodged or dislocated20.6%0.6%
Filling problem20.6%0%
Improper or incorrect procedure or method20.6%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
Hemorrhage/blood loss/bleeding205.5%
Blood loss113%
Foreign body in patientpart of a device left in the patient71.9%
No patient involvement71.9%
Painpain, site not specified30.8%
Uterine perforationa hole in the wall of the womb30.8%
Abdominal painstomach or belly pain20.6%
Hypovolemic shock20.6%
Abnormal vaginal discharge10.3%
Anxietyanxiety10.3%
Deaththe patient died; cause not stated by this term10.3%
Device embedded in tissue or plaque10.3%
Fever10.3%
Laceration(s)10.3%
Perforation10.3%

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

In context

MeasureCook Bakri Postpartum Balloon with Rapid Instillation ComponentsProduct code OQYAll MAUDE reports
Reports3611,34126,136,888
Share of that pool—26.9%0%
Classified as death, per 1,000 reports379
Classified as injury25.5%49.4%36.2%
Classified as malfunction74.2%49.7%62.3%
Filed by the manufacturer100%98%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 OQY

BrandReportsLatest 12 monthsClassified as death
JADA System556171.6%
Bakri Tamponade Balloon Catheter509340%
Cook Silicone Balloon Hysterosalpingography Injection Catheter16900%

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 Cook Bakri Postpartum Balloon with Rapid Instillation Components reports

How many FDA reports name Cook Bakri Postpartum Balloon with Rapid Instillation Components?

361 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 52 in the latest 12 months.

What kinds of events are reported?

malfunction (74.2%), injury (25.5%) and death (0.3%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

fluid/blood leak (46.3%), material rupture (11.9%), inflation problem (11.4%), component missing (3.6%) and break (2.5%). 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 Cook Bakri Postpartum Balloon with Rapid Instillation Components 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.