Reported Reactions

Devices › Detector and alarm, arrhythmia

Device brand name · Mx40 1 4 ghz smart hopping

MX40 1.4 GHz Smart Hopping: medical device reports filed with FDA

5,135 reports name it, 2012–2026. Manufacturer given most often on reports: Philips Medical Systems. Product code DSI.

5,135
device reports naming the brand
0% of all MAUDE reports · about 356 a year
6
reports, 12 months to August 2026
209 in the 12 months before
98.2%
classified as malfunction
90.5% across the product code
1.3%
classified as death, as reported
67 reports · not verified by FDA

FDA's MAUDE database holds 5,135 reports that name the brand "MX40 1.4 GHz Smart Hopping" (mx40 1 4 ghz smart hopping), received between February 2012 and August 2026; the manufacturer given most often on reports is Philips Medical Systems. Spellings of one product vary from report to report.

6 reports arrived in the 12 months to August 2026, down 97% from 209 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 (98.2%), death (1.3%) and injury (0.5%); across all detector and alarm, arrhythmia reports (product code DSI) death is recorded in 1.5% and malfunction in 90.5%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are no audible alarm (46.5%), no audible prompt/feedback (18.1%) and device operates differently than expected (8.1%). The patient problems coded most often are no patient involvement, death and cardiac arrest. 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

051101Sep 2021: 24Oct 2021: 43Nov 2021: 31Dec 2021: 282022Jan 2022: 34Feb 2022: 35Mar 2022: 23Apr 2022: 25May 2022: 17Jun 2022: 42Jul 2022: 54Aug 2022: 101Sep 2022: 7Oct 2022: 10Nov 2022: 26Dec 2022: 122023Jan 2023: 8Feb 2023: 9Mar 2023: 32Apr 2023: 54May 2023: 47Jun 2023: 31Jul 2023: 23Aug 2023: 31Sep 2023: 35Oct 2023: 39Nov 2023: 19Dec 2023: 332024Jan 2024: 22Feb 2024: 27Mar 2024: 20Apr 2024: 25May 2024: 35Jun 2024: 25Jul 2024: 21Aug 2024: 21Sep 2024: 23Oct 2024: 29Nov 2024: 12Dec 2024: 212025Jan 2025: 26Feb 2025: 26Mar 2025: 23Apr 2025: 32May 2025: 15Jun 2025: 1Jul 2025: 1Aug 2025: 0Sep 2025: 1Oct 2025: 1Nov 2025: 0Dec 2025: 02026Jan 2026: 0Feb 2026: 0Mar 2026: 1Apr 2026: 1May 2026: 0Jun 2026: 1Jul 2026: 0Aug 2026: 1

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

03897782012: 320122013: 652014: 11220142015: 3922016: 48620162017: 6292018: 53620182019: 4902020: 48620202021: 7782022: 38620222023: 3612024: 28120242025: 1262026: 42026

Event type and report source

Event type, as classified on the report

Death1.3%67
Injury0.5%26
Malfunction98.2%5,042
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%5,134
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%1

Grey bar: all 33,398 reports carrying product code DSI. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
No audible alarm2,38746.5%11.1%
No audible prompt/feedback93218.1%4.5%
Device operates differently than expectedthe device behaved unexpectedly4188.1%2.9%
No device output3156.1%1.3%
Device displays incorrect message2775.4%1.5%
Inaudible or unclear audible prompt/feedback1923.7%0.7%
Device alarm system1362.6%2.9%
Device inoperablethe device could not be used691.3%0.5%
Defective devicethe device was defective671.3%0.4%
Component missing631.2%0.2%
Mechanical problema mechanical problem521%0.3%
Defective alarm491%0.7%
Defective component480.9%0.2%
Breakthe device broke420.8%0.2%
Communication or transmission problemthe device could not communicate or transmit360.7%3.3%
Output problem300.6%0.4%
Audible prompt/feedback problem280.5%0.1%
Low audible alarm220.4%0.1%
Alarm not visible200.4%0.1%
Display or visual feedback problem190.4%0.3%

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
No patient involvement1,58030.8%
Deaththe patient died; cause not stated by this term350.7%
Cardiac arrestthe heart stopped180.4%
Low oxygen saturation50.1%
Asystole40.1%
Bradycardiaslow heart rate30.1%
Cardiopulmonary arrest30.1%
Injurya physical injury30.1%
Elevated ketones/ diabetic ketoacidosis20%
Loss of consciousnesspassing out20%
Abnormal scarring10%
Arrhythmia10%
Atrial fibrillationan irregular heart rhythm10%
Burn(s)a burn10%
Burn, thermal10%

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

In context

MeasureMX40 1.4 GHz Smart HoppingProduct code DSIAll MAUDE reports
Reports5,13533,39826,136,888
Share of that pool—15.4%0%
Classified as death, per 1,000 reports13159
Classified as injury0.5%7.8%36.2%
Classified as malfunction98.2%90.5%62.3%
Filed by the manufacturer100%99.3%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 DSI

BrandReportsLatest 12 monthsClassified as death
Reveal LINQ19,1842640%
Reveal Xt2,03700.1%
Mx40 2 4 Ghz Smart Hopping78501.5%
Reveal Dx73000.4%
Acuity Central Monitoring71000%
Mp70 Intellivue Patient Monitor682015.4%
IntelliVue Multi Measurement Server X21,9241351.7%
Intellivue Mx40 802 11a/B/G32903%
Spacelabs Ultraview Sl Command Module20048.5%
IntelliVue MX800 patient monitor5025410.6%
Patient Connector207830%
IntelliVue MX40 2.4GHz192566.8%
Passport 2 Monitor46900.2%
IntelliVue MP52617310.7%
Zio AT711903.5%

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 MX40 1.4 GHz Smart Hopping reports

How many FDA reports name MX40 1.4 GHz Smart Hopping?

5,135 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 6 in the latest 12 months.

What kinds of events are reported?

malfunction (98.2%), death (1.3%) and injury (0.5%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

no audible alarm (46.5%), no audible prompt/feedback (18.1%), device operates differently than expected (8.1%), no device output (6.1%) and device displays incorrect message (5.4%). 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 MX40 1.4 GHz Smart Hopping 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.