510(k) Report

510(k) · Cleared

Cleared

Wafer System

K033303510(k) TraditionalCleared Jun 24, 2004254-day reviewClass II21 CFR 888.3030

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Spine Wave, Inc. · HRS Plate, Fixation, Bone

Cleared on Jun 24, 2004 as substantially equivalent to K973812 (Arthrex, Inc., 1998) and 1 other predicate after a 254-day review. Its family tree reaches back 1 generation to 1998. 23 later devices descend from it.

Decided
Jun 24, 2004
Review
254 days
Class
Class II
Product code
HRS
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K973812 (1998). 2 ancestors in all. 23 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2002: 1 other ancestor2006: 2 descendants cleared2009: 3 descendants cleared2011: 2 descendants cleared2008: 1 descendant cleared2014: 3 descendants cleared2007: 1 descendant cleared2010: 1 descendant cleared2013: 1 descendant cleared2020: 2 descendants cleared2018: 1 descendant cleared2015: 1 descendant cleared2024: 1 descendant cleared2023: 1 descendant cleared2021: 1 descendant cleared2022: 1 descendant cleared2025: 1 descendant clearedK973812 · Arthrex Puddu Osteotomy System · Arthrex, Inc. · 19981995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 7 descendants3 generations forward: 3 descendants4 generations forward: 4 descendants5 generations forward: 3 descendants6 generations forward: 1 descendant7 generations forward: 1 descendant8 generations forward: 1 descendant K973812 · Arthrex Puddu Osteotomy System · Arthrex, Inc. · 19980+5
  1. Root · 1 generation backK973812 Arthrex Puddu Osteotomy SystemArthrex, Inc. · 1998
  2. This deviceK033303 Wafer SystemSpine Wave, Inc. · 2004
  3. Descendant · cites it directly · 12 of its ownK053336 Staxx FX SystemSpine Wave, Inc. · 2006
  4. Descendant · 2 generations on · 11 of its ownK063606 Modification to Staxx FX SystemSpine Wave, Inc. · 2007
  5. Descendant · 3 generations on · 9 of its ownK132817 Kiva VCF Treatment SystemBenvenue Medical, Inc. · 2014
  6. Descendant · cites it directly · 8 of its ownK052670 Staxx XD SystemSpine Wave, Inc. · 2006
  7. Descendant · 2 generations on · 6 of its ownK090315 Staxx XD SystemSpine Wave, Inc. · 2009

Showing 5 of 23 descendants. See all descendants

Descendants cleared per year

2006: 22007: 12008: 12009: 32010: 12011: 22013: 12014: 32015: 12018: 12020: 22021: 12022: 12023: 12024: 12025: 1
2006high 3 (2009) · low 0 (2012)2026

Most influential descendants

Showing 5 of 23 · See all
  • K053336Staxx FX SystemSpine Wave, Inc. · 2006 · cites it directly12descendants
  • K063606Modification to Staxx FX SystemSpine Wave, Inc. · 2007 · 2 generations on11descendants
  • K132817Kiva VCF Treatment SystemBenvenue Medical, Inc. · 2014 · 3 generations on9descendants
  • K052670Staxx XD SystemSpine Wave, Inc. · 2006 · cites it directly8descendants
  • K090315Staxx XD SystemSpine Wave, Inc. · 2009 · 2 generations on6descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K973812Arthrex Puddu Osteotomy SystemArthrex, Inc.1998—
0 (this device)K033303Wafer SystemSpine Wave, Inc.2004—
+1K053336Staxx FX SystemSpine Wave, Inc.2006—
+2K063606Modification to Staxx FX SystemSpine Wave, Inc.2007—
+3K132817Kiva VCF Treatment SystemBenvenue Medical, Inc.2014—
+1K052670Staxx XD SystemSpine Wave, Inc.2006—
+2K090315Staxx XD SystemSpine Wave, Inc.2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200620
200710
200810
200930
201010
201120
201310
201430
201510
201810
202020
202110
202210
202310
202410
202510
FIG. 1 — Lineage of K033303, 1998–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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 HRS? 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 HRS device

  1. #1 K222465 Tyber Medical Anatomical Plating Systemscore 27.5 · 16 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K973812Arthrex Puddu Osteotomy System
Summary page 1
…ion. V. Substantial Equivalence The Wafer System was demonstrated to be substantially equivalent to the Arthrex Opening Wedge Osteotomy System (K973812) and the Synthes Spiked Washer (KOI 1583). In addition, mechanical testing demonstrated that The Wafer System m…
Arthrex, Inc.1998—
*K011583Spiked WasherSynthes (Usa)20021

Also cleared against K973812: 3 other devices →

What descends from it? (23)

See all 23

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K053336Staxx FX SystemSpine Wave, Inc.200612
K052670Staxx XD SystemSpine Wave, Inc.20068
K092381Ibalance Akrfx Medial Opening Wedge Tibial System, Ifx Medial Peek Implant and Anchor…Ibalance Medical, Inc.20090

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?

  • 1 of the 2 ancestors has a recall of any class.
  • Of its descendants, K053336 (Spine Wave, Inc., 2006) has gone furthest, with 12 descendants of its own.
  • 3 other devices also cite its predicate K973812.

How does its category compare?

All HRS devices

HRS Plate, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HRS

54in 2025

2007: 352008: 352009: 472010: 492011: 432012: 592013: 562014: 762015: 562016: 442017: 572018: 402019: 462020: 482021: 402022: 472023: 402024: 542025: 542026 (partial year): 51
2007high 76 (2014) · low 35 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HRS

90in 2025

2007: 63 days median2008: 87 days median2009: 85 days median2010: 100 days median2011: 88 days median2012: 106 days median2013: 89 days median2014: 57 days median2015: 97 days median2016: 109 days median2017: 122 days median2018: 116 days median2019: 89 days median2020: 88 days median2021: 87 days median2022: 144 days median2023: 120 days median2024: 96 days median2025: 90 days median2026 (partial year): 82 days median
2007high 144 (2022) · low 57 (2014)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · HRS

1in 2025

2007: 22008: 112009: 32010: 162011: 52012: 42013: 112015: 72016: 52017: 32018: 22019: 252020: 12021: 92022: 32023: 12025: 12026 (partial year): 3
2007high 25 (2019) · low 0 (2014)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · HRS

2,306in 2025

2007: 3392008: 3112009: 4352010: 4912011: 7732012: 1,6632013: 2,6432014: 2,4132015: 3,0952016: 2,2762017: 2,2202018: 2,6632019: 3,3592020: 2,7902021: 2,4422022: 1,7002023: 2,0492024: 1,8492025: 2,306
2007high 3,359 (2019) · low 311 (2008)2025

MAUDE reports naming product code HRS, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200735632339
2008358711311
200947853435
20104910016491
201143885773
20125910641,663
20135689112,643
2014765702,413
2015569773,095
20164410952,276
20175712232,220
20184011622,663
20194689253,359
2020488812,790
2021408792,442
20224714431,700
20234012012,049
2024549601,849
2025549012,306
202651823—

What is it indicated for?

The Wafer System, in conjunction with commercially available supplemental fixation, is intended for use in proximal tibial opening wedge osteotomies as a means to restore anatomical alignment and relative position.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K033303: Wafer System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K033303

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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