Severity
Moderate
FDA Devices recall · Reported May 22, 2024
Due to firmware issues with the prosthetic knee, there is the potential for unintended warnings and device shutdown which could result in patient falls.
Ossur H / F recalled RKN130002, RHEO KNEE 2 YR WARRANTY, MD, CE, External lower limb prosthetic component - a moderate-severity action.
RKN130002, RHEO KNEE 2 YR WARRANTY, MD, CE, External lower limb prosthetic component was recalled by Ossur H / F in May 22, 2024. Reason: Due to firmware issues with the prosthetic knee, there is the potential for unintended warnings and device sh…. Check the official notice for the remedy. Verify recall #Z-1787-2024 with the FDA Devices before acting.
The recall
Ossur H / F issued this moderate-severity FDA Devices recall-Due to firmware issues with the prosthetic knee, there is the potential for unintended warnings and device sh….
Sourced from official FDA Devices enforcement records. Verify recall #Z-1787-2024 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
This FDA Devices action (record #Z-1787-2024) was formally reported on May 22, 2024, with the manufacturer initiating the action on March 25, 2024. It is classified under Moderate severity (Class II), with a current status of Ongoing. Ossur H / F is listed as the recalling firm, operating out of Reykjavik, N/A. Federal records list the affected scope as N/A.
The documented reason for this recall is: Due to firmware issues with the prosthetic knee, there is the potential for unintended warnings and device shutdown which could result in patient falls. Distribution data in the federal record shows the product reached: US Nationwide distribution in the states of AL, AZ, CA, CO, DE, FL, GA, HI, IA, ID, IL, IN, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NH, NJ, NM, NY, OH, OR, PA, RI, SC, TN, TX, UT, VA, WA, WI, WV, WY.. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory.
Within the same product category the archive holds 6 closely related recalls, 3 from FDA Devices - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Where this recall sits in its category - 40,322 medical devices recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Severity
Moderate
Affected scope
N/A
Related Recalls
6
3 from same agency
RKN130002, RHEO KNEE 2 YR WARRANTY, MD, CE, External lower limb prosthetic component
Due to firmware issues with the prosthetic knee, there is the potential for unintended warnings and device shutdown which could result in patient falls.
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Ongoing |
| Recall number | Z-1787-2024 |
| Date reported | May 22, 2024 |
| Date initiated | March 25, 2024 |
| Recalling firm | Ossur H / F |
| Firm location | Reykjavik, N/A |
| Affected scope | N/A |
| Distribution | US Nationwide distribution in the states of AL, AZ, CA, CO, DE, FL, GA, HI, IA, ID, IL, IN, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NH, NJ, NM, NY, OH, OR, PA, RI, SC, TN, TX, UT, VA, WA, WI, WV, WY. |
Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.
What to do with this recall
Match your product against the recall record, then act on the agency remedy.
This page summarizes the official FDA Devices record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
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Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: FDA Devices, reported May 22, 2024. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.