510(k) · Cleared
ClearedSearch Evolution (LC) Total Knee System (Plasmapore)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Aesculap Implant Systems, Inc. · JWH Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
Cleared on Aug 21, 2007 as substantially equivalent to K032108 (Aesculap, Inc., 2004) and 3 other predicates after a 137-day review. Its family tree reaches back 6 generations to 1994. 79 later devices descend from it.
- Decided
- Aug 21, 2007
- Review
- 137 days
- Class
- Class II
- Product code
- JWH
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 6 generations to K941847 (1994). 63 ancestors in all, the oldest K840643 (1984). 79 later devices descend from it, 1 citing it directly.
- Root · 6 generations backK941847 5/8 Porocoat Aml Hip Porocoat Porous CoatingDepuy, Inc. · 1994
- 5 generations backK964650 TCP-Coated Porocoat Aml Femoral Hip ProsthesisDepuy, Inc. · 1997
- 4 generations backK980711 Harris/Galante Porous (HGP) Hip Prosthesis with Calcicoat Ceramic…Zimmer, Inc. · 1998 · Recalled
- 3 generations backK001277 Triflange Acetabular Cup SystemDePuy Orthopaedics, Inc. · 2000
- 2 generations backK031495 Pinnacle Duofix HA Acetabular Cup ProsthesisDePuy Orthopaedics, Inc. · 2003
- 1 generation backK042344 Excia Total Hip SystemAesculap, Inc. · 2005 · Recalled
- This deviceK070981 Search Evolution (LC) Total Knee System (Plasmapore)Aesculap Implant Systems, Inc. · 2007
- Descendant · cites it directly · 78 of its ownK081023 Evolis Total Knee SystemMedacta International S.A. · 2008 · Recalled
- Descendant · 2 generations on · 52 of its ownK090988 GMK Total Knee SystemMedacta International S.A. · 2009 · Recalled
- Descendant · 3 generations on · 34 of its ownK102437 GMK Revision Knee SystemMedacta International S.A. · 2010
- Descendant · 3 generations on · 28 of its ownK103170 GMK Revision Knee SC LinersMedacta International S.A. · 2011
- Descendant · 2 generations on · 23 of its ownK113571 GMK Resufacing Patella Size 4Medacta International · 2012
Showing 5 of 79 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 79 · See all- K081023Evolis Total Knee SystemMedacta International S.A. · 2008 · cites it directly78descendants
- K090988GMK Total Knee SystemMedacta International S.A. · 2009 · 2 generations on52descendants
- K102437GMK Revision Knee SystemMedacta International S.A. · 2010 · 3 generations on34descendants
- K103170GMK Revision Knee SC LinersMedacta International S.A. · 2011 · 3 generations on28descendants
- K113571GMK Resufacing Patella Size 4Medacta International · 2012 · 2 generations on23descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K941847 | 5/8 Porocoat Aml Hip Porocoat Porous Coating | Depuy, Inc. | 1994 | — |
| −5 | K964650 | TCP-Coated Porocoat Aml Femoral Hip Prosthesis | Depuy, Inc. | 1997 | — |
| −4 | K980711 | Harris/Galante Porous (HGP) Hip Prosthesis with Calcicoat Ceramic Coating | Zimmer, Inc. | 1998 | 1 |
| −3 | K001277 | Triflange Acetabular Cup System | DePuy Orthopaedics, Inc. | 2000 | — |
| −2 | K031495 | Pinnacle Duofix HA Acetabular Cup Prosthesis | DePuy Orthopaedics, Inc. | 2003 | — |
| −1 | K042344 | Excia Total Hip System | Aesculap, Inc. | 2005 | 10 |
| 0 (this device) | K070981 | Search Evolution (LC) Total Knee System (Plasmapore) | Aesculap Implant Systems, Inc. | 2007 | — |
| +1 | K081023 | Evolis Total Knee System | Medacta International S.A. | 2008 | 1 |
| +2 | K090988 | GMK Total Knee System | Medacta International S.A. | 2009 | 1 |
| +3 | K102437 | GMK Revision Knee System | Medacta International S.A. | 2010 | — |
| +3 | K103170 | GMK Revision Knee SC Liners | Medacta International S.A. | 2011 | — |
| +2 | K113571 | GMK Resufacing Patella Size 4 | Medacta International | 2012 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1987 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 0 |
| 2003 | 3 | 0 |
| 2004 | 3 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 5 | 0 |
| 2012 | 8 | 0 |
| 2013 | 6 | 0 |
| 2014 | 3 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 3 | 0 |
| 2018 | 3 | 0 |
| 2019 | 1 | 0 |
| 2020 | 5 | 0 |
| 2021 | 9 | 0 |
| 2022 | 4 | 0 |
| 2023 | 5 | 0 |
| 2024 | 2 | 0 |
| 2025 | 9 | 0 |
| 2026 | 9 | 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? (4)
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 |
|---|---|---|---|
| * | K032108 | Search Evolution (LC) Total Knee System (Porous Coated)Summary page 1…System is substantially equivalent in design fundamental technology, and coating when compared to: * Aesculap Search Evolution Porous Coated Femoral Component (K032108) * Aesculap Bicontact Hip System (K040191) * Aesculap Excia Total Hip System (K042344) * Aesculap Search… | 2004 |
| * | K040191 | Bicontact Hip Stem and Femoral HeadSummary page 1…amental technology, and coating when compared to: * Aesculap Search Evolution Porous Coated Femoral Component (K032108) * Aesculap Bicontact Hip System (K040191) * Aesculap Excia Total Hip System (K042344) * Aesculap Search Evolution Total Knee System (K021313) DEVICE DES… | 2004 |
| * | K042344 | Excia Total Hip SystemSummary page 1…* Aesculap Search Evolution Porous Coated Femoral Component (K032108) * Aesculap Bicontact Hip System (K040191) * Aesculap Excia Total Hip System (K042344) * Aesculap Search Evolution Total Knee System (K021313) DEVICE DESCRIPTION The Search Evolution (LC) Total Knee Syste… | 2005 |
| * | K021313 | Search Evolution Total Knee SystemSummary page 1…nt (K032108) * Aesculap Bicontact Hip System (K040191) * Aesculap Excia Total Hip System (K042344) * Aesculap Search Evolution Total Knee System (K021313) DEVICE DESCRIPTION The Search Evolution (LC) Total Knee System is available with two fernoral designs. Each retains the PCL,… | 2002 |
What descends from it? (79)
See all 791 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K081023 | Evolis Total Knee System | 2008 | 78 |
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 13 years and passes through 5 companies; a new generation was cleared every 2.4 years on median.
- 21 of the 62 ancestors have a recall of any class.
- Of its descendants, K081023 (Medacta International S.A., 2008) has gone furthest, with 78 descendants of its own.
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. 2007, 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 Search Evolution (LC) Total Knee System is intended to replace a knee joint in order to relieve pain and restore knee function, for indications such as, osteoarthritis, inflammatory arthritis, traumatic arthritis, varus, valgus or flexion deformities and revision surgery.
The Search Evolution non-porous titanium plasma spray coated femoral components are designed for use with bone cement.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K070981 · printed Nov 4, 2026
Cite this page
510(k) Report. “K070981: Search Evolution (LC) Total Knee System (Plasmapore).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K070981
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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