510(k) · Cleared
ClearedZimmer Patient Specific Instruments System, Zimmer Patient Specific Instruments, Zimmer Patient Specific Instruments Pla
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Materialise NV · JWH Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
Cleared on Feb 25, 2014 as substantially equivalent to K121640 (Materialise NV, 2012) after a 131-day review. Its family tree reaches back 6 generations to 1993. 13 later devices descend from it.
- Decided
- Feb 25, 2014
- Review
- 131 days
- Class
- Class II
- Product code
- JWH
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K924630 (1993). 10 ancestors in all, the oldest K924810 (1993). 13 later devices descend from it, 1 citing it directly.
- Root · 6 generations backK924630 Surgicad (TM) View (TM)Surgicad Corp. · 1993
- 5 generations backK970617 CT-Modeller SystemMaterialise NV · 1997
- 4 generations backK033849 Simplant SystemMaterialise NV · 2004
- 3 generations backK073449 SurgicaseMaterialise NV · 2008
- 2 generations backK102795 Signature Planner; Signature GuidesMaterialise NV · 2011 · Recalled
- 1 generation backK121640 Zimmer Patient Specific Instruments SystemMaterialise NV · 2012 · Recalled
- This deviceK133162 Zimmer Patient Specific Instruments System, Zimmer Patient Specific…Materialise NV · 2014
- Descendant · cites it directly · 12 of its ownK150928 Materialise TKA Guide System, Materialise TKA Planner, Materialise…Materialise NV · 2015
- Descendant · 2 generations on · 11 of its ownK162273 Materialise TKA Guide SystemMaterialise NV · 2016
- Descendant · 3 generations on · 9 of its ownK173445 Materialise TKA Guide SystemMaterialise NV · 2018 · Recalled
- Descendant · 3 generations on · 6 of its ownK172650 Materialise PKA Guide SystemMaterialise NV · 2017
- Descendant · 4 generations on · 5 of its ownK173970 Materialise PKA Guide SystemMaterialise NV · 2018
Showing 5 of 13 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 13 · See all- K150928Materialise TKA Guide System, Materialise TKA Planner, Materialise TKA GuidesMaterialise NV · 2015 · cites it directly12descendants
- K162273Materialise TKA Guide SystemMaterialise NV · 2016 · 2 generations on11descendants
- K173445Materialise TKA Guide SystemMaterialise NV · 2018 · 3 generations on9descendants
- K172650Materialise PKA Guide SystemMaterialise NV · 2017 · 3 generations on6descendants
- K173970Materialise PKA Guide SystemMaterialise NV · 2018 · 4 generations on5descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K924630 | Surgicad (TM) View (TM) | Surgicad Corp. | 1993 | — |
| −5 | K970617 | CT-Modeller System | Materialise NV | 1997 | — |
| −4 | K033849 | Simplant System | Materialise NV | 2004 | — |
| −3 | K073449 | Surgicase | Materialise NV | 2008 | — |
| −2 | K102795 | Signature Planner; Signature Guides | Materialise NV | 2011 | 4 |
| −1 | K121640 | Zimmer Patient Specific Instruments System | Materialise NV | 2012 | 1 |
| 0 (this device) | K133162 | Zimmer Patient Specific Instruments System, Zimmer Patient Specific… | Materialise NV | 2014 | — |
| +1 | K150928 | Materialise TKA Guide System, Materialise TKA Planner, Materialise TKA Guides | Materialise NV | 2015 | — |
| +2 | K162273 | Materialise TKA Guide System | Materialise NV | 2016 | — |
| +3 | K173445 | Materialise TKA Guide System | Materialise NV | 2018 | 1 |
| +3 | K172650 | Materialise PKA Guide System | Materialise NV | 2017 | — |
| +4 | K173970 | Materialise PKA Guide System | Materialise NV | 2018 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1993 | 1 | 0 |
| 2008 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 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 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? (1)
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 |
|---|---|---|---|
| * | K121640 | Zimmer Patient Specific Instruments SystemSummary page 1…tial equivalence is claimed to: ITrade or property ormodel name ZimmerO Patient Specific Instruments System 5.0 510(k) number K121640 Decision date 12/05/2013 Materialise N.V.… | 2012 |
What descends from it? (13)
See all 131 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K150928 | Materialise TKA Guide System, Materialise TKA Planner, Materialise TKA Guides | 2015 | 12 |
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 21 years and passes through 2 companies; a new generation was cleared every 3.9 years on median.
- 3 of the 10 ancestors have a recall of any class.
- Of its descendants, K150928 (Materialise NV, 2015) has gone furthest, with 12 descendants of its own.
- 3 other devices also cite its predicate K121640.
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. 2014, 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?
Total Knee Replacement The ZimmerO Patient Specific Instruments System is intended to be used as a surgical instrument to assist in the positioning of Total Knee Replacement components intra-operatively and in guiding the marking of bone before cutting provided that anatomic landmarks necessary for alignment and positioning of the implant are identifiable on patient imaging scans. The Zimmer* Patient Specific Instruments System is to be used with Zimmer…
Read the full statement (209 words)
Total Knee Replacement
The ZimmerO Patient Specific Instruments System is intended to be used as a surgical instrument to assist in the positioning of Total Knee Replacement components intra-operatively and in guiding the marking of bone before cutting provided that anatomic landmarks necessary for alignment and positioning of the implant are identifiable on patient imaging scans.
The Zimmer* Patient Specific Instruments System is to be used with Zimmer NexGen CR-Flex fixed bearing, Zimmer NexGen CR fixed bearing, Zimmer NexGen LPS-Flex fixed bearing, Zimmer NexGen LPS fixed bearing, Zimmer Gender Solutions Natural - Knee Flex fixed bearing, Zimmer Persona TMCR fixed bearing, Zimmer PersonaT PS fixed bearing and Zimmer Persona T Trabecular Metal TM prostheses families only.
Unicompartmental Knee Replacement
The ZimmerO Patient Specific Instruments System is intended to be used as a surgical instrument to assist in the positioning of Unicompartmental Knee Replacement components intra-operatively and in guiding the marking of bone before cutting and to guide cutting of the bone provided that anatomic landmarks necessary for alignment and positioning of the implant are identifiable on patient imaging scans.
The ZimmerO Patient Specific Instruments System isto be used with Zimmer Unicampartmental High Flex Knee System prostheses families only.
The Zimmer' Patient Specific Instruments are intended for single use only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K133162 · printed Nov 6, 2026
Cite this page
510(k) Report. “K133162: Zimmer Patient Specific Instruments System, Zimmer Patient Specific Instruments, Zimmer Patient Specific Instruments Pla.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K133162
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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