Severity
Moderate
Natural-Knee¿ II - Unicompartmental Knee Prosthesis: CONG TIB INS SZ1/2 9MM UN CONG TIB INS SZ1/2 11MM U CONG TIB INS SZ1/2 13MM U CONG TIB INS SZ3/4 9MM UN CONG TIB INS SZ3/4 11MM U CONG TIB INS SZ3/4 13MM U CONG TIB INS SZ 5/6 9MM U CONG TIB INS SZ5/6 11MM U CONG TIB INS SZ5/6 13MM U
Reported: March 26, 2014 Initiated: February 25, 2014 #Z-1251-2014 3638 units units
Zimmer, Inc. issued this FDA Devices recall on March 26, 2014. Classified as Moderate severity (Class II). Approximately 3638 units units are affected. The recall was issued because: A complaint was received for a discolored All Poly Tibia. Root cause analysis found that the discoloration was the resu…. This recall notice is sourced from official FDA Devices enforcement records. Below you will find the complete product description, hazard information, remedy instructions, and related recalls from the same manufacturer or product category.
Recall Insight
This FDA Devices action (record #Z-1251-2014) was formally reported on March 26, 2014, with the manufacturer initiating the action on February 25, 2014. It is classified under Moderate severity (Class II), with a current status of Terminated. Zimmer, Inc. is listed as the recalling firm, operating out of Warsaw, IN. Federal records indicate 3638 units units are affected.
The documented reason for this recall is: A complaint was received for a discolored All Poly Tibia. Root cause analysis found that the discoloration was the result of free radical oxidation. The oxidation process was advanced prematurely as a result of the mac… Distribution data in the federal record shows the product reached: Worldwide Distribution-USA (nationwide) including DC and the states of AK, AL, AR, AZ, CA, CO, CT, FL, IL, IN, KS, LA, ME, MI, MO, MS, NC, ND, NE, NJ, NY, OH, OK, OR, PA, TN, TX, UT, VA, WA, and WI, and the countries of…. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory.
To put this record in context, PlainRecalls indexes 83,949 recalls across the FDA, CPSC, NHTSA and USDA FSIS going back to 1995. Within the same product category, the database holds 6 closely related recalls, of which 6 were also issued by FDA Devices. That clustering is a signal — repeated actions in a narrow category often indicate a systemic quality-control issue, a supplier-wide contamination, or a design defect that has propagated across product lines. This recall is roughly 12 years old; older recalls can remain relevant because many units enter resale, rental, and secondary-market channels where the original warning never reaches the end user. Always cross-check the recall number against the official agency page before relying on any summary.
Recall Distribution by Severity Class
Units Affected
3638 units
Related Recalls
6
6 from same agency
Product Description
Natural-Knee¿ II - Unicompartmental Knee Prosthesis: CONG TIB INS SZ1/2 9MM UN CONG TIB INS SZ1/2 11MM U CONG TIB INS SZ1/2 13MM U CONG TIB INS SZ3/4 9MM UN CONG TIB INS SZ3/4 11MM U CONG TIB INS SZ3/4 13MM U CONG TIB INS SZ 5/6 9MM U CONG TIB INS SZ5/6 11MM U CONG TIB INS SZ5/6 13MM U
Reason for Recall
A complaint was received for a discolored All Poly Tibia. Root cause analysis found that the discoloration was the result of free radical oxidation. The oxidation process was advanced prematurely as a result of the machined component being stored in a transparent container exposed to artificial light for six years prior to inert packaging and sterilization of the device.
Details
- Recalling Firm
- Zimmer, Inc.
- Units Affected
- 3638 units
- Distribution
- Worldwide Distribution-USA (nationwide) including DC and the states of AK, AL, AR, AZ, CA, CO, CT, FL, IL, IN, KS, LA, ME, MI, MO, MS, NC, ND, NE, NJ, NY, OH, OK, OR, PA, TN, TX, UT, VA, WA, and WI, and the countries of Canada, Australia, India, Austria, Japan, Czech Republic, Seoul Korea, France, Venezuela, Germany, Luxembourg, Spain, and Switzerland.
- Location
- Warsaw, IN
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-1251-2014 |
| Date reported | March 26, 2014 |
| Date initiated | February 25, 2014 |
| Recalling firm | Zimmer, Inc. |
| Units affected | 3638 units |
| Distribution | Worldwide Distribution-USA (nationwide) including DC and the states of AK, AL, AR, AZ, CA, CO, CT, FL, IL, IN, KS, LA, ME, MI, MO, MS, NC, ND, NE, NJ, NY, OH, OK, OR, PA, TN, TX, UT, VA, WA, and WI, and the countries of Canada, Australia… |
Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.
Frequently Asked Questions
What product was recalled? ▼
Natural-Knee¿ II - Unicompartmental Knee Prosthesis: CONG TIB INS SZ1/2 9MM UN CONG TIB INS SZ1/2 11MM U CONG TIB INS SZ1/2 13MM U CONG TIB INS SZ3/4 9MM UN CONG TIB INS SZ3/4 11MM U CONG TIB INS SZ3/4 13MM U CONG TIB INS SZ 5/6 9MM U CONG TIB INS SZ5/6 11MM U CONG TIB INS SZ5/6 13MM U. Recalled by Zimmer, Inc.. Units affected: 3638 units.
Why was this product recalled? ▼
A complaint was received for a discolored All Poly Tibia. Root cause analysis found that the discoloration was the result of free radical oxidation. The oxidation process was advanced prematurely as a result of the machined component being stored in a transparent container exposed to artificial light for six years prior to inert packaging and sterilization of the device.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on March 26, 2014. Severity: Moderate. Recall number: Z-1251-2014.
Where was the recalled product distributed? ▼
Distribution: Worldwide Distribution-USA (nationwide) including DC and the states of AK, AL, AR, AZ, CA, CO, CT, FL, IL, IN, KS, LA, ME, MI, MO, MS, NC, ND, NE, NJ, NY, OH, OK, OR, PA, TN, TX, UT, VA, WA, and WI, and the countries of Canada, Australia, India, Austria, Japan, Czech Republic, Seoul Korea, France, Venezuela, Germany, Luxembourg, Spain, and Switzerland..
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-1251-2014) against your product. Visit the official FDA Devices website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
Should I stop using a recalled medication or medical device? ▼
Do not stop using a recalled medication or device without consulting your healthcare provider first, as abruptly discontinuing treatment could pose its own health risks. Your doctor can advise on alternatives or whether the recall applies to your specific product lot. Check the recall number and lot information against your product packaging.
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Data Sources
Data as of 2025. Source: FDA, CPSC, NHTSA, USDA FSIS federal recall databases.
- Source: FDA — Food and Drug Administration, openFDA Enforcement API (food, drug, and medical device recalls)
- Source: CPSC — Consumer Product Safety Commission Recalls API (consumer product recalls and hazards)
- Source: NHTSA — National Highway Traffic Safety Administration Recalls API (vehicle safety recalls)
- Source: USDA FSIS — Food Safety and Inspection Service (meat, poultry, and egg product recalls)
Recall information is sourced from official federal agency databases. Always verify recall details with the issuing agency for the most current status. This information is for research and awareness purposes only.
Read our methodology — how this data is sourced, computed, and verified.
All federal data sources used on this page
- U.S. Census Bureau ACS — demographic + housing + income data. census.gov/programs-surveys/acs
- BLS Occupational Employment and Wage Statistics (OEWS) — wage + employment by occupation. bls.gov/oes
- BEA Regional Economic Accounts — GDP + personal income by state/metro. bea.gov/data/regional
- U.S. Census Bureau County Business Patterns — establishment + employment by industry. census.gov/cbp
- IRS Statistics of Income (SOI) — tax-return aggregate data. irs.gov/statistics
- data.gov — U.S. federal open-data portal — discovery layer for additional federal sources. data.gov
Source: Federal recall agencies (FDA, CPSC, NHTSA, USDA FSIS) Aggregated multi-agency recall feeds · 2024 Recall data normalized across federal agency feeds; severity classifications follow each agency's own taxonomy (FDA Class I/II/III; CPSC, NHTSA, USDA FSIS).