Devices › Table, obstetrical, ac-powered (and accessories)
Device brand name · Birthing bed
634 Affinity Bed 405: medical device reports filed with FDA
619 reports name it, 2009–2010. Manufacturer given most often on reports: Hill-Rom Ritter. Product code HDD.
- 619
- device reports naming the brand
- 0% of all MAUDE reports · about 35 a year
- 0
- reports, 12 months to August 2026
- 0 in the 12 months before
- 99.8%
- classified as malfunction
- 98.4% across the product code
- 0%
- classified as death, as reported
- 0 reports · not verified by FDA
FDA's MAUDE database holds 619 reports that name the brand "634 Affinity Bed 405" (birthing bed), received between January 2009 and May 2010; the manufacturer given most often on reports is Hill-Rom Ritter. Spellings of one product vary from report to report.
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 (99.8%); across all table, obstetrical, ac-powered (and accessories) reports (product code HDD) death is recorded in 0% and malfunction in 98.4%. Event type is the reporter's classification of the report, not a verified outcome.
The device problems coded most often are unintended system motion (52.5%), device slipped (16%) and unintended head motion (15.7%). The patient problems coded most often are no patient involvement, fall and injury. 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 634 Affinity Bed 405 was received in the five years to August 2026; the latest was received in May 2010.
Event type and report source
Event type, as classified on the report
Who filed the report
Grey bar: all 4,666 reports carrying product code HDD. 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 |
|---|---|---|---|
| Unintended system motionthe device moved when it should not have | 325 | 52.5% | 17.8% |
| Device slipped | 99 | 16% | 28.7% |
| Unintended head motion | 97 | 15.7% | 6.6% |
| Sticking | 55 | 8.9% | 11.5% |
| Grounding malfunction | 21 | 3.4% | 1.8% |
| Device operates differently than expectedthe device behaved unexpectedly | 8 | 1.3% | 4.5% |
| Breakthe device broke | 6 | 1% | 7.4% |
| Device inoperablethe device could not be used | 4 | 0.6% | 3.3% |
| Detachment of device component | 3 | 0.5% | 1.9% |
| Device alarm system | 3 | 0.5% | 1.1% |
| Mechanical problema mechanical problem | 3 | 0.5% | 2.5% |
| Communication or transmission problemthe device could not communicate or transmit | 2 | 0.3% | 0% |
| Component missing | 2 | 0.3% | 1.7% |
| Naturally worn | 2 | 0.3% | 0.6% |
| Repair | 2 | 0.3% | 0.1% |
| Component falling | 1 | 0.2% | 1.1% |
| Component(s), broken | 1 | 0.2% | 0.3% |
| Contamination | 1 | 0.2% | 0% |
| Drift | 1 | 0.2% | 1.2% |
| Loose | 1 | 0.2% | 5% |
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 |
|---|---|---|
| No patient involvement | 2 | 0.3% |
| Falla fall | 1 | 0.2% |
| Injurya physical injury | 1 | 0.2% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | 634 Affinity Bed 405 | Product code HDD | All MAUDE reports |
|---|---|---|---|
| Reports | 619 | 4,666 | 26,136,888 |
| Share of that pool | — | 13.3% | 0% |
| Classified as death, per 1,000 reports | 0 | 0 | 9 |
| Classified as injury | 0% | 0.7% | 36.2% |
| Classified as malfunction | 99.8% | 98.4% | 62.3% |
| Filed by the manufacturer | 100% | 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 HDD
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| Ld304 Maternity Bed | 1,082 | 10 | 0% |
| Affinity Bed | 947 | 0 | 0% |
| Affinity 4 | 535 | 0 | 0% |
| Affinity 3 | 313 | 0 | 0% |
| Affinity Three Birthing Bed | 197 | 0 | 0% |
| Gynnie Ob-Gyn Stretcher | 563 | 11 | 0% |
| Affinity 4 Birthing Bed | 305 | 144 | 0% |
| Stryker | 559 | 5 | 1.3% |
| 4 Motor Advance Bed | 1,339 | 0 | 0.4% |
| Centra Bed | 2,214 | 0 | 0.1% |
| Hill-Rom | 241 | 0 | 18.7% |
| In Touch Zu | 2,342 | 0 | 0.1% |
| Secure Acute Care Bed | 295 | 0 | 0% |
| Skytron | 217 | 1 | 0.9% |
| Transtar Stretcher | 5,751 | 5 | 0% |
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 634 Affinity Bed 405 reports
How many FDA reports name 634 Affinity Bed 405?
619 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 (99.8%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
unintended system motion (52.5%), device slipped (16%), unintended head motion (15.7%), sticking (8.9%) and grounding malfunction (3.4%). 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 634 Affinity Bed 405 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.