Reported Reactions

Devices › Endoscopic access overtube, gastroenterology-urology

Device brand name · Resectoscope sheath

Karl Storz: medical device reports filed with FDA

633 reports name it, 1994–2014. Manufacturer given most often on reports: Karl Storz & Kg. Product code FED.

633
device reports naming the brand
0% of all MAUDE reports · about 20 a year
0
reports, 12 months to August 2026
0 in the 12 months before
24.6%
classified as malfunction
72.1% across the product code
2.1%
classified as death, as reported
13 reports · not verified by FDA

633 medical device reports received by FDA name the brand "Karl Storz" (resectoscope sheath); the manufacturer given most often on reports is Karl Storz & Kg; received from May 1994 to October 2014. 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 other (51.3%), malfunction (24.6%) and injury (17.4%); across all endoscopic access overtube, gastroenterology-urology reports (product code FED) death is recorded in 1.7% and malfunction in 72.1%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are tip breakage (21.3%), break (17.9%) and normal (14.1%). The patient problems coded most often are foreign body, removal of, burn(s) and surgical procedure, additional. 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 Karl Storz was received in the five years to August 2026; the latest was received in October 2014.

By year received

047931994: 319941997: 431998: 2219981999: 212000: 1720002001: 182002: 1320022003: 232004: 1120042005: 142006: 6720062007: 392008: 3520082009: 432010: 4820102011: 522012: 5120122013: 932014: 202014

Event type and report source

Event type, as classified on the report

Death2.1%13
Injury17.4%110
Malfunction24.6%156
Other51.3%325
Not given4.6%29

Who filed the report

Manufacturer report43.3%274
Voluntary report6%38
User facility report0%0
Distributor report43.9%278
Not given6.8%43

Grey bar: all 1,322 reports carrying product code FED. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Tip breakage13521.3%19.4%
Breakthe device broke11317.9%15.7%
Normal8914.1%0.4%
Device, or device fragments remain in patient538.4%3.6%
Detachment of device component518.1%9.7%
Difficult to removethe device was hard to remove365.7%2.7%
Device issuea problem with the device314.9%0%
Replace264.1%2.6%
Arcing203.2%0.2%
Material separation162.5%4.1%
Component(s), broken152.4%2.3%
Device, removal of (non-implant)152.4%2.2%
Other (for use when an appropriate device code cannot be identified)111.7%0.8%
Thermal decomposition of device101.6%0.2%
Device operates differently than expectedthe device behaved unexpectedly71.1%0.3%
Component missing60.9%0.5%
Fire60.9%0%
Insufficient device problem information60.9%1.3%
System fails to activate60.9%0%
Difficult to insertthe device was hard to insert50.8%4.8%

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
Foreign body, removal of12419.6%
Burn(s)a burn8813.9%
Surgical procedure, additional6710.6%
Nonresorbable materials, unretrieved in body6510.3%
Therapy/non-surgical treatment, additional599.3%
Surgical procedure aborted/stopped579%
Surgery, prolonged416.5%
Surgical procedure304.7%
Perforation223.5%
Burn, thermal193%
Other (for use when an appropriate patient code cannot be identified)162.5%
Bleeding152.4%
Internal organ perforation121.9%
Deaththe patient died; cause not stated by this term111.7%
Hematomaa collection of blood under the skin or in tissue111.7%

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

In context

MeasureKarl StorzProduct code FEDAll MAUDE reports
Reports6331,32226,136,888
Share of that pool—47.9%0%
Classified as death, per 1,000 reports21179
Classified as injury17.4%18.9%36.2%
Classified as malfunction24.6%72.1%62.3%
Filed by the manufacturer43.3%84.1%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 FED

BrandReportsLatest 12 monthsClassified as death
Navigator Hd16630.6%
Inner sheath, for 26 Fr. outer sheath2,0025330%
Resection sheath, 24 Fr.7591700.1%
Olympus2,24092.5%

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 Karl Storz reports

How many FDA reports name Karl Storz?

633 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?

other (51.3%), malfunction (24.6%) and injury (17.4%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

tip breakage (21.3%), break (17.9%), normal (14.1%), device, or device fragments remain in patient (8.4%) and detachment of device component (8.1%). These are FDA's device problem codes as entered on the report.

Who files these reports?

distributor reports (43.9%), manufacturer reports (43.3%) and voluntary reports (6%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Karl Storz 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.