510(k) Report

510(k) · Cleared

Cleared

Macropore Hydrosorb Spine System

K041105510(k) TraditionalCleared Jul 28, 200489-day reviewClass II21 CFR 888.3060

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

Macropore Biosurgery, Inc. · KWQ Appliance, Fixation, Spinal Intervertebral Body

Cleared on Jul 28, 2004 as substantially equivalent to K010911 (Macropore Biosurgery, Inc., 2001) and 3 other predicates after an 89-day review. Its family tree reaches back 2 generations to 2001. 4 later devices descend from it.

Decided
Jul 28, 2004
Review
89 days
Class
Class II
Product code
KWQ
Recalls
None
Predicates
4

Its longest line of descent runs back 2 generations to K010911 (2001). 4 ancestors in all, the oldest K002063 (2000). 4 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2001: 1 other ancestor2000: 1 other ancestor2005: 1 descendant cleared2008: 1 descendant cleared2009: 1 descendant cleared2015: 1 descendant clearedK010911 · Macropore OS Spinal System · Macropore Biosurgery, Inc. · 2001K021039 · Bowti Anterior Buttress Staple System · Depuyacromed · 2002200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors 1 generation forward: 3 descendants2 generations forward: 1 descendant K021039 · Bowti Anterior Buttress Staple System · Depuyacromed · 2002K010911 · Macropore OS Spinal System · Macropore Biosurgery, Inc. · 20010
  1. Root · 2 generations backK010911 Macropore OS Spinal SystemMacropore Biosurgery, Inc. · 2001
  2. 1 generation backK021039 Bowti Anterior Buttress Staple SystemDepuyacromed · 2002
  3. This deviceK041105 Macropore Hydrosorb Spine SystemMacropore Biosurgery, Inc. · 2004
  4. Descendant · cites it directly · 2 of its ownK051821 Inion S-1 Biodegradable Anterior Cervical Fusion SystemInion, Ltd. · 2005
  5. Descendant · cites it directly · 1 of its ownK071810 Inion Spinal Graft Containment SystemInion, Ltd. · 2008
  6. Descendant · 2 generations on · 0 of its ownK151360 Inion Spinal Graft Containment SystemInion OY · 2015
  7. Descendant · cites it directly · 0 of its ownK063461 Anova Containment DeviceAnova Corporation · 2009

Most influential descendants

Showing 4 of 4 · See all
  • K051821Inion S-1 Biodegradable Anterior Cervical Fusion SystemInion, Ltd. · 2005 · cites it directly2descendants
  • K071810Inion Spinal Graft Containment SystemInion, Ltd. · 2008 · cites it directly1descendant
  • K151360Inion Spinal Graft Containment SystemInion OY · 2015 · 2 generations on0descendants
  • K063461Anova Containment DeviceAnova Corporation · 2009 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K010911Macropore OS Spinal SystemMacropore Biosurgery, Inc.2001—
−1K021039Bowti Anterior Buttress Staple SystemDepuyacromed2002—
0 (this device)K041105Macropore Hydrosorb Spine SystemMacropore Biosurgery, Inc.2004—
+1K051821Inion S-1 Biodegradable Anterior Cervical Fusion SystemInion, Ltd.2005—
+1K071810Inion Spinal Graft Containment SystemInion, Ltd.2008—
+2K151360Inion Spinal Graft Containment SystemInion OY2015—
+1K063461Anova Containment DeviceAnova Corporation2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200810
200910
201510
FIG. 1 — Lineage of K041105, 2001–2015Source: 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 KWQ? 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 KWQ device

  1. #1 K233640 Segmental Plating System (SPS);IdentiTi SPS…score 21.9 · 31 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K010911Macropore OS Spinal System
Summary page 3
…principles with the following predicate devices which have been determined by FDA to be substantially equivalent to pre-amendment devices: MacroPore OS Spinal System (K010911), the DePuy AcroMed BowTi Anterior Buttress Staple System (K021039), Exactech Teeres Cemex (K000943), and the Bryan Biotrace Mo…
Macropore Biosurgery, Inc.2001—
*K021039Bowti Anterior Buttress Staple System
Summary page 3
…termined by FDA to be substantially equivalent to pre-amendment devices: MacroPore OS Spinal System (K010911), the DePuy AcroMed BowTi Anterior Buttress Staple System (K021039), Exactech Teeres Cemex (K000943), and the Bryan Biotrace Model 1730 (K002063); Class II medical devices that were cleared for…
Depuyacromed2002—
*K000943Cemex System Gun Application Version
Summary page 3
…ly equivalent to pre-amendment devices: MacroPore OS Spinal System (K010911), the DePuy AcroMed BowTi Anterior Buttress Staple System (K021039), Exactech Teeres Cemex (K000943), and the Bryan Biotrace Model 1730 (K002063); Class II medical devices that were cleared for marketing in the United States.…
Exactech, Inc.2001—
*K002063Biotrace, Model 1730
Summary page 3
…Pore OS Spinal System (K010911), the DePuy AcroMed BowTi Anterior Buttress Staple System (K021039), Exactech Teeres Cemex (K000943), and the Bryan Biotrace Model 1730 (K002063); Class II medical devices that were cleared for marketing in the United States. Indications For Use The MacroPore Hydrosorb…
Bryan Corp.2000—

Also cleared against K010911: 7 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K051821Inion S-1 Biodegradable Anterior Cervical Fusion SystemInion, Ltd.20052
K071810Inion Spinal Graft Containment SystemInion, Ltd.20081
K063461Anova Containment DeviceAnova Corporation20090

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 3 years and passes through 2 companies; a new generation was cleared every 1.6 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K051821 (Inion, Ltd., 2005) has gone furthest, with 2 descendants of its own.
  • 7 other devices also cite its predicate K010911.

How does its category compare?

All KWQ devices

KWQ Appliance, Fixation, Spinal Intervertebral Body: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KWQ

7in 2025

2007: 272008: 322009: 232010: 232011: 222012: 262013: 222014: 172015: 252016: 152017: 202018: 222019: 262020: 262021: 172022: 182023: 162024: 172025: 72026 (partial year): 10
2007high 32 (2008) · low 7 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWQ

64in 2025

2007: 101 days median2008: 70 days median2009: 90 days median2010: 104 days median2011: 95 days median2012: 90 days median2013: 88 days median2014: 124 days median2015: 102 days median2016: 121 days median2017: 67 days median2018: 95 days median2019: 81 days median2020: 55 days median2021: 59 days median2022: 85 days median2023: 59 days median2024: 64 days median2025: 64 days median2026 (partial year): 76 days median
2007high 124 (2014) · low 55 (2020)2026

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

Recalls per year · KWQ

1in 2018

2007: 22008: 332009: 352010: 22011: 52012: 72013: 62015: 22016: 92017: 82018: 1
2007high 35 (2009) · low 0 (2014)2026

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

Adverse event reports per year · KWQ

248in 2025

2007: 2882008: 3482009: 3552010: 6912011: 4152012: 5442013: 7962014: 5462015: 5622016: 5022017: 4922018: 3412019: 2982020: 4002021: 5912022: 3922023: 3202024: 4192025: 248
2007high 796 (2013) · low 248 (2025)2025

MAUDE reports naming product code KWQ, 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
2007271012288
2008327033348
2009239035355
2010231042691
201122955415
201226907544
201322886796
2014171240546
2015251022562
2016151219502
201720678492
201822951341
201926810298
202026550400
202117590591
202218850392
202316590320
202417640419
20257640248
202610760—

What is it indicated for?

The MacroPore Hydrosorb Spine System, in conjunction with traditional rigid fixation, is intended for use in spinal fusion procedures as a means to maintain the relative position of weak bony tissue such as allografts or autografts. The device is not intended for load bearing indications.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K041105: Macropore Hydrosorb Spine System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K041105

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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