Devices › System, surgical, computer controlled instrument
Device brand name · Endoscopic electrosurgical instrument
Monopolar Curved Scissors Instrument: medical device reports filed with FDA
1,056 reports name it, 2005–2015. Manufacturer given most often on reports: Intuitive Surgical. Product code NAY.
- 1,056
- device reports naming the brand
- 0% of all MAUDE reports · about 51 a year
- 0
- reports, 12 months to August 2026
- 0 in the 12 months before
- 94.6%
- classified as malfunction
- 90.7% across the product code
- 0%
- classified as death, as reported
- 0 reports · not verified by FDA
1,056 medical device reports received by FDA name the brand "Monopolar Curved Scissors Instrument" (endoscopic electrosurgical instrument); the manufacturer given most often on reports is Intuitive Surgical; received from September 2005 to September 2015. 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 (94.6%), injury (3.7%) and other (1.7%); across all system, surgical, computer controlled instrument reports (product code NAY) death is recorded in 0.6% and malfunction in 90.7%. Event type is the reporter's classification of the report, not a verified outcome.
The device problems coded most often are break (26.5%), component falling (14%) and dull, blunt (12.2%). The patient problems coded most often are burn, thermal, foreign body, removal of and tissue damage. 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 Monopolar Curved Scissors Instrument was received in the five years to August 2026; the latest was received in September 2015.
By year received
Event type and report source
Event type, as classified on the report
Who filed the report
Grey bar: all 141,000 reports carrying product code NAY. Event type is the filer's classification and is not verified by FDA.
Device problems coded
| Device problem (FDA code) | Reports | Share | Share across product code |
|---|---|---|---|
| Breakthe device broke | 280 | 26.5% | 10.3% |
| Component falling | 148 | 14% | 0.6% |
| Dull, blunt | 129 | 12.2% | 0.1% |
| Detachment of device component | 94 | 8.9% | 0.9% |
| Crackthe device cracked | 75 | 7.1% | 0.2% |
| Device operates differently than expectedthe device behaved unexpectedly | 57 | 5.4% | 1.4% |
| Peeled/delaminated | 56 | 5.3% | 0.1% |
| Nonstandard device | 53 | 5% | 0.1% |
| Arcing | 39 | 3.7% | 1.2% |
| Failure to cut | 34 | 3.2% | 0.4% |
| Bent | 25 | 2.4% | 0.2% |
| Replace | 25 | 2.4% | 0.1% |
| Device inoperablethe device could not be used | 23 | 2.2% | 0.3% |
| Thermal decomposition of device | 23 | 2.2% | 1.9% |
| Sticking | 22 | 2.1% | 0.2% |
| Device, removal of (non-implant) | 20 | 1.9% | 0% |
| Difficult to open or close | 19 | 1.8% | 4.5% |
| Sparking | 14 | 1.3% | 0.1% |
| Hole in material | 13 | 1.2% | 0.1% |
| Component missing | 11 | 1% | 0.1% |
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) | Reports | Share |
|---|---|---|
| Burn, thermal | 15 | 1.4% |
| Foreign body, removal of | 11 | 1% |
| Tissue damage | 10 | 0.9% |
| Surgery, prolonged | 9 | 0.9% |
| Device embedded in tissue or plaque | 7 | 0.7% |
| Injurya physical injury | 7 | 0.7% |
| Therapy/non-surgical treatment, additional | 6 | 0.6% |
| Burn(s)a burn | 5 | 0.5% |
| Hemorrhage/blood loss/bleeding | 5 | 0.5% |
| Abdominal painstomach or belly pain | 2 | 0.2% |
| Abscessa collection of pus | 2 | 0.2% |
| Bowel burn | 2 | 0.2% |
| Foreign body in patientpart of a device left in the patient | 2 | 0.2% |
| Laparotomy | 2 | 0.2% |
| Perforation | 2 | 0.2% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | Monopolar Curved Scissors Instrument | Product code NAY | All MAUDE reports |
|---|---|---|---|
| Reports | 1,056 | 141,000 | 26,136,888 |
| Share of that pool | — | 0.7% | 0% |
| Classified as death, per 1,000 reports | 0 | 6 | 9 |
| Classified as injury | 3.7% | 7.9% | 36.2% |
| Classified as malfunction | 94.6% | 90.7% | 62.3% |
| Filed by the manufacturer | 100% | 97.1% | 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 NAY
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| Endowrist | 86,566 | 37,192 | 0% |
| daVinci Xi | 15,722 | 5,743 | 2% |
| daVinci 5 | 2,394 | 2,122 | 0.7% |
| Fenestrated Bipolar Forceps Instrument | 1,839 | 0 | 0% |
| EndoWrist;daVinci Si | 1,771 | 356 | 0.1% |
| Pk Dissecting Forceps Instrument | 1,564 | 0 | 0% |
| Da Vinci Si Surgical System | 1,461 | 0 | 11% |
| Prograsp Forceps Instrument | 1,396 | 0 | 0% |
| EndoWrist SP | 1,355 | 597 | 0% |
| da Vinci | 1,483 | 404 | 1.2% |
| daVinci Si | 1,225 | 129 | 2.3% |
| daVinci X | 938 | 420 | 5.4% |
| Maryland Bipolar Forceps Instrument | 952 | 0 | 0% |
| SureForm | 2,927 | 654 | 1.2% |
| Da Vinci S Surgical System | 815 | 0 | 7.6% |
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 Monopolar Curved Scissors Instrument reports
How many FDA reports name Monopolar Curved Scissors Instrument?
1,056 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 (94.6%), injury (3.7%) and other (1.7%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
break (26.5%), component falling (14%), dull, blunt (12.2%), detachment of device component (8.9%) and crack (7.1%). 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 Monopolar Curved Scissors Instrument 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.