510(k) · Cleared
ClearedInitia Knee System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Kyocera Medical Technologies, Inc. · JWH Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
Cleared on Jan 13, 2025 as substantially equivalent to K120038 (Renovis Surgical Technologies, LLC, 2013) and 1 other predicate after an 87-day review. Its family tree reaches back 10 generations to 1981.
- Decided
- Jan 13, 2025
- Review
- 87 days
- Class
- Class II
- Product code
- JWH
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 10 generations to K810258 (1981). 75 ancestors in all. No later device cites it as a predicate yet.
- Root · 10 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
- 6 generations between
- 3 generations backK100048 E1 Antioxidant Infused TechnologyBiomet Manufacturing Corp · 2010
- 2 generations backK120038 A200 Knee SystemRenovis Surgical Technologies, LLC · 2013
- 1 generation backK190122 Renovis A200 PS Knee System as part of the Renovis A200 Knee SystemRenovis Surgical Technologies · 2019
- This deviceK243295 Initia Knee SystemKyocera Medical Technologies, Inc. · 2025
Show all 10 generations
- Root · 10 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
- 9 generations backK974558 Salvage/Onocology Hip and Total Femur SystemBiomet, Inc. · 1998
- 8 generations backK032396 Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc. · 2003 · Recalled
- 7 generations backK042051 Arcomxl Polyethylene LinersBiomet, Inc. · 2005 · Recalled
- 6 generations backK051411 Arcomxl Polyethylene Liners and Biolox Delta HeadsBiomet, Inc. · 2005 · Recalled
- 5 generations backK061312 36MM Biolox Delta Ceramic HeadsBiomet, Inc. · 2006
- 4 generations backK073102 Biolox Delta Ceramic Heads with 100KGY E-Poly Acetabular LinersBiomet Manufacturing Corp · 2007
- 3 generations backK100048 E1 Antioxidant Infused TechnologyBiomet Manufacturing Corp · 2010
- 2 generations backK120038 A200 Knee SystemRenovis Surgical Technologies, LLC · 2013
- 1 generation backK190122 Renovis A200 PS Knee System as part of the Renovis A200 Knee SystemRenovis Surgical Technologies · 2019
- This deviceK243295 Initia Knee SystemKyocera Medical Technologies, Inc. · 2025
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −10 | K810258 | Proximal Fermoral Hip Replacement | Biomet, Inc. | 1981 | — |
| −9 | K974558 | Salvage/Onocology Hip and Total Femur System | Biomet, Inc. | 1998 | — |
| −8 | K032396 | Ringloc 36MM Line and Modular Femoral Heads | Biomet, Inc. | 2003 | 3 |
| −7 | K042051 | Arcomxl Polyethylene Liners | Biomet, Inc. | 2005 | 1 |
| −6 | K051411 | Arcomxl Polyethylene Liners and Biolox Delta Heads | Biomet, Inc. | 2005 | 1 |
| −5 | K061312 | 36MM Biolox Delta Ceramic Heads | Biomet, Inc. | 2006 | — |
| −4 | K073102 | Biolox Delta Ceramic Heads with 100KGY E-Poly Acetabular Liners | Biomet Manufacturing Corp | 2007 | — |
| −3 | K100048 | E1 Antioxidant Infused Technology | Biomet Manufacturing Corp | 2010 | — |
| −2 | K120038 | A200 Knee System | Renovis Surgical Technologies, LLC | 2013 | — |
| −1 | K190122 | Renovis A200 PS Knee System as part of the Renovis A200 Knee System | Renovis Surgical Technologies | 2019 | — |
| 0 (this device) | K243295 | Initia Knee System | Kyocera Medical Technologies, Inc. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1984 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 5 | 0 |
| 2004 | 4 | 0 |
| 2005 | 3 | 0 |
| 2006 | 3 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 0 |
| 2012 | 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 JWH? 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 JWH device
- #1 K221479 Persona Personalized Knee Systemscore 22.4 · 11 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 |
|---|---|---|---|
| * | K120038 | A200 Knee SystemSummary page 5…II Classification Panel: Orthopedic 5. Legally Marketed Predicate Device Device name: A200 Knee System 510(k) number: K120038, K190122 Manufacturer: Kyocera Medical Technologies, Inc.; previously Renovis Surgical Technologies… | 2013 |
| * | K190122 | Renovis A200 PS Knee System as part of the Renovis A200 Knee SystemSummary page 5…Classification Panel: Orthopedic 5. Legally Marketed Predicate Device Device name: A200 Knee System 510(k) number: K120038, K190122 Manufacturer: Kyocera Medical Technologies, Inc.; previously Renovis Surgical Technologies… | 2019 |
What descends from it?
No later submission names this one as a predicate yet.
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 44 years and passes through 5 companies; a new generation was cleared every 2.9 years on median.
- 23 of the 75 ancestors have a recall of any class.
- 1 other device also cites its predicate K120038.
How does its category compare?
All JWH devicesJWH Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · JWH
20in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · JWH
55in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JWH
2in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JWH
9,306in 2025
MAUDE reports naming product code JWH, 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 | 18 | 74 | 14 | 1,305 |
| 2008 | 17 | 81 | 10 | 1,483 |
| 2009 | 11 | 168 | 109 | 1,870 |
| 2010 | 19 | 85 | 32 | 3,286 |
| 2011 | 25 | 87 | 27 | 5,133 |
| 2012 | 33 | 85 | 85 | 5,203 |
| 2013 | 31 | 128 | 31 | 6,135 |
| 2014 | 33 | 98 | 13 | 6,722 |
| 2015 | 27 | 87 | 11 | 6,881 |
| 2016 | 18 | 88 | 17 | 7,586 |
| 2017 | 25 | 118 | 61 | 12,263 |
| 2018 | 25 | 90 | 14 | 14,071 |
| 2019 | 28 | 133 | 5 | 14,987 |
| 2020 | 22 | 59 | 2 | 12,592 |
| 2021 | 24 | 61 | 8 | 9,408 |
| 2022 | 17 | 56 | 12 | 8,364 |
| 2023 | 20 | 57 | 67 | 8,947 |
| 2024 | 19 | 89 | 7 | 10,828 |
| 2025 | 20 | 55 | 2 | 9,306 |
| 2026 | 12 | 63 | 4 | — |
What is it indicated for?
The Initia Knee System is intended for use in total knee arthroplasty for the following indications:
1. Painful and disabled knee joint resulting from osteoarthritis, rheumatoid arthritis, traumatic arthritis where one or more compartments are involved.
2. Correction of varus, valgus, or posttraumatic deformity.
3. Correction or revision of unsuccessful osteotomy, arthrodesis, or failure of previous joint replacement procedure.
This device is for cemented use only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K243295 · printed Nov 6, 2026
Cite this page
510(k) Report. “K243295: Initia Knee System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243295
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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