510(k) · Cleared
ClearedRS (Reduced Size) Oss (Orthopedic Salvage System) Additional Components
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Biomet Manufacturing, Inc. · KRO Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer
Cleared on Aug 10, 2005 as substantially equivalent to K002757 (Biomet, Inc., 2000) and 1 other predicate after a 68-day review. Its family tree reaches back 2 generations to 2000. 6 later devices descend from it.
- Decided
- Aug 10, 2005
- Review
- 68 days
- Class
- Class II
- Product code
- KRO
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 2 generations to K002757 (2000). 6 later devices descend from it, 2 citing it directly.
- Root · 2 generations backK002757 Oncology Salvage SystemBiomet, Inc. · 2000 · Recalled
- 1 generation backK021260 Reduced Size Oncology Salvage SystemBiomet, Inc. · 2002
- This deviceK051479 RS (Reduced Size) Oss (Orthopedic Salvage System) Additional…Biomet Manufacturing, Inc. · 2005
- Descendant · cites it directly · 3 of its ownK141331 Biomet Orthopaedic Salvage System (Oss)Biomet, Inc. · 2014
- Descendant · 2 generations on · 1 of its ownK142814 Biomet Orthopaedic Salvage System (OSSTM) - Proximal Femoral &…Biomet Manufacturing, LLC · 2015 · Recalled
- Descendant · cites it directly · 1 of its ownK083779 Mak Oss Knee Femoral ComponentsBiomet Manufacturing Corp · 2009 · Recalled
- Descendant · 2 generations on · 0 of its ownK253515 Zimmer Biomet OSS™ Orthopedic Salvage System OsseoTi® Sleeves and…Biomet Orthopedics, Inc. · 2026
- Descendant · 2 generations on · 0 of its ownK152621 OSS/Arcos IM Total Femur RodBiomet, Inc. · 2015
Showing 5 of 6 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 6 · See all- K141331Biomet Orthopaedic Salvage System (Oss)Biomet, Inc. · 2014 · cites it directly3descendants
- K142814Biomet Orthopaedic Salvage System (OSSTM) - Proximal Femoral & Hybrid TibialBiomet Manufacturing, LLC · 2015 · 2 generations on1descendant
- K083779Mak Oss Knee Femoral ComponentsBiomet Manufacturing Corp · 2009 · cites it directly1descendant
- K253515Zimmer Biomet OSS™ Orthopedic Salvage System OsseoTi® Sleeves and AugmentsBiomet Orthopedics, Inc. · 2026 · 2 generations on0descendants
- K152621OSS/Arcos IM Total Femur RodBiomet, Inc. · 2015 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K002757 | Oncology Salvage System | Biomet, Inc. | 2000 | 14 |
| −1 | K021260 | Reduced Size Oncology Salvage System | Biomet, Inc. | 2002 | — |
| 0 (this device) | K051479 | RS (Reduced Size) Oss (Orthopedic Salvage System) Additional Components | Biomet Manufacturing, Inc. | 2005 | — |
| +1 | K141331 | Biomet Orthopaedic Salvage System (Oss) | Biomet, Inc. | 2014 | — |
| +2 | K142814 | Biomet Orthopaedic Salvage System (OSSTM) - Proximal Femoral & Hybrid Tibial | Biomet Manufacturing, LLC | 2015 | 6 |
| +1 | K083779 | Mak Oss Knee Femoral Components | Biomet Manufacturing Corp | 2009 | 1 |
| +2 | K253515 | Zimmer Biomet OSS™ Orthopedic Salvage System OsseoTi® Sleeves and Augments | Biomet Orthopedics, Inc. | 2026 | — |
| +2 | K152621 | OSS/Arcos IM Total Femur Rod | Biomet, Inc. | 2015 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2009 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2026 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in KRO? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new KRO device
- #1 K251665 Triathlon® Hinge Knee Systemscore 19.0 · 12 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K002757 | Oncology Salvage SystemSummary page 1…emented, Metal/Polymer. Legally Marketed Devices To Which Substantial Equivalence Is Claimed: Oncology Salvage System - K002757 (Biomet Inc.) Reduced Size Oncology System - K021260 (Biomet Inc.) Device Descri… | 2000 |
| * | K021260 | Reduced Size Oncology Salvage SystemSummary page 1…Oncology Salvage System - K002757 (Biomet Inc.) Reduced Size Oncology System - K021260 (Biomet Inc.) Device Description: The RS OSS Additional Components are a series of components including distal femoral resurfaci… | 2002 |
What descends from it? (6)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 5 years and passes through 2 companies; a new generation was cleared every 3.2 years on median.
- 1 of the 2 ancestors has a recall of any class.
- Of its descendants, K141331 (Biomet, Inc., 2014) has gone furthest, with 3 descendants of its own.
- 20 other devices also cite its predicate K002757.
How does its category compare?
All KRO devicesKRO Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KRO
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KRO
56in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KRO
14so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KRO
915in 2025
MAUDE reports naming product code KRO, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 1 | 37 |
| 2008 | 3 | 126 | 3 | 44 |
| 2009 | 3 | 86 | 8 | 66 |
| 2010 | 1 | — | 0 | 110 |
| 2011 | 2 | — | 1 | 119 |
| 2012 | 2 | — | 1 | 173 |
| 2013 | 3 | 189 | 2 | 194 |
| 2014 | 2 | — | 0 | 406 |
| 2015 | 6 | 113 | 1 | 333 |
| 2016 | 3 | 148 | 5 | 369 |
| 2017 | 1 | — | 4 | 543 |
| 2018 | 0 | — | 1 | 614 |
| 2019 | 3 | 244 | 0 | 759 |
| 2020 | 1 | — | 0 | 749 |
| 2021 | 3 | 57 | 1 | 770 |
| 2022 | 1 | — | 0 | 892 |
| 2023 | 4 | 148 | 0 | 746 |
| 2024 | 3 | 87 | 0 | 855 |
| 2025 | 3 | 56 | 1 | 915 |
| 2026 | 1 | — | 14 | — |
What is it indicated for?
1. Painful and disabled joint resulting from avascular necrosis, osteoarthritis, rheumatoid arthritis, traumatic arthritis where one or more compartments are involved.
2. Correction of varus, valgus, functional or posttraumatic deformity.
3. Correction or revision of unsuccessful osteotomy, arthrodesis, or failure of previous joint replacement.
4. Ligament deficiencies.
5. Tumor resections.
6. Treatment of non-unions, femoral neck fracture, and trochanteric fractures of the proximal femur with head involvement, unmanageable using other techniques.
7. Trauma.
8. Revision of previously failed total joint arthroplasty.
The RS OSS Components are intended for cemented use only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K051479 · printed Nov 6, 2026
Cite this page
510(k) Report. “K051479: RS (Reduced Size) Oss (Orthopedic Salvage System) Additional Components.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051479
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026