Reported Reactions

Devices › Device, monitoring, intracranial pressure

Device brand name · Neuro monitoring

Olm Intracranial Pressure Monitoring Kit: medical device reports filed with FDA

180 reports name it, 1998–2023. Manufacturer given most often on reports: Integra Neurosciences Ca/USA. Product code GWM.

180
device reports naming the brand
0% of all MAUDE reports · about 6 a year
0
reports, 12 months to August 2026
0 in the 12 months before
80.6%
classified as malfunction
70.9% across the product code
5%
classified as death, as reported
9 reports · not verified by FDA

180 medical device reports received by FDA name the brand "Olm Intracranial Pressure Monitoring Kit" (neuro monitoring); the manufacturer given most often on reports is Integra Neurosciences Ca/USA; received from January 1998 to November 2023. 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 (80.6%), injury (12.8%) and death (5%); across all device, monitoring, intracranial pressure reports (product code GWM) death is recorded in 1.2% and malfunction in 70.9%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are device operates differently than expected (12.8%), break (5%) and device displays incorrect message (5%). The patient problems coded most often are death, brain injury and loss of consciousness. 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

012Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 0Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 0Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 0Apr 2023: 0May 2023: 0Jun 2023: 0Jul 2023: 0Aug 2023: 2Sep 2023: 0Oct 2023: 0Nov 2023: 2Dec 2023: 02024Jan 2024: 0Feb 2024: 0Mar 2024: 0Apr 2024: 0May 2024: 0Jun 2024: 0Jul 2024: 0Aug 2024: 0Sep 2024: 0Oct 2024: 0Nov 2024: 0Dec 2024: 02025Jan 2025: 0Feb 2025: 0Mar 2025: 0Apr 2025: 0May 2025: 0Jun 2025: 0Jul 2025: 0Aug 2025: 0Sep 2025: 0Oct 2025: 0Nov 2025: 0Dec 2025: 02026Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0

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

014281998: 719981999: 42002: 1120022003: 72009: 1120092010: 142011: 1820112012: 172013: 1120132014: 202015: 1120152016: 82017: 2820172019: 32020: 320202021: 32023: 42023

Event type and report source

Event type, as classified on the report

Death5%9
Injury12.8%23
Malfunction80.6%145
Other1.7%3
Not given0%0

Who filed the report

Manufacturer report98.9%178
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given1.1%2

Grey bar: all 6,858 reports carrying product code GWM. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Device operates differently than expectedthe device behaved unexpectedly2312.8%4.4%
Breakthe device broke95%11.2%
Device displays incorrect message95%4%
False reading from device non-compliance95%2.4%
High readingsreadings were too high95%2.2%
Unable to obtain readings95%3%
Bent63.3%0.4%
Device inoperablethe device could not be used63.3%0.9%
Device slipped63.3%0.2%
Improper device output63.3%0.5%
Failure to zero42.2%2.5%
No display/image42.2%1.5%
Component missing31.7%0.1%
Improper or incorrect procedure or method31.7%0.5%
Low readingsreadings were too low31.7%2.1%
Decrease in pressure21.1%0.1%
Defective component21.1%0.4%
Detachment of device component21.1%0.5%
Erratic or intermittent display21.1%0.2%
Incorrect, inadequate or imprecise result or readings21.1%8.2%

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
Deaththe patient died; cause not stated by this term73.9%
Brain injury21.1%
Loss of consciousnesspassing out21.1%
No patient involvement21.1%
Cardiac arrestthe heart stopped10.6%
Complaint, ill-defined10.6%
Foreign body in patientpart of a device left in the patient10.6%
Overdosea dose above the recommended amount10.6%
Painpain, site not specified10.6%
Pulmonary embolisma blood clot in the lung10.6%
Tissue damage10.6%

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

In context

MeasureOlm Intracranial Pressure Monitoring KitProduct code GWMAll MAUDE reports
Reports1806,85826,136,888
Share of that pool—2.6%0%
Classified as death, per 1,000 reports50129
Classified as injury12.8%27.1%36.2%
Classified as malfunction80.6%70.9%62.3%
Filed by the manufacturer98.9%97%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 GWM

BrandReportsLatest 12 monthsClassified as death
Neuromonitor Basic Kit757180.4%
Becker261180%
Duet265100%
Microsensor Ventricular Catheter Kit23121.3%
Inter-Cranial Pressure And Temperature Monitor21700%
EDM Lumbar Drainage Kit218540.5%
Exacta196372%
Exacta External Drainage And Monitoring System16700%
Cerelink Icp Probe Basic Kit154292.6%
Codman18301.6%
Strata8171632.2%
Unknown Catheter270262.2%

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 Olm Intracranial Pressure Monitoring Kit reports

How many FDA reports name Olm Intracranial Pressure Monitoring Kit?

180 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 (80.6%), injury (12.8%) and death (5%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

device operates differently than expected (12.8%), break (5%), device displays incorrect message (5%), false reading from device non-compliance (5%) and high readings (5%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (98.9%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Olm Intracranial Pressure Monitoring Kit 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.