510(k) Report

510(k) · Cleared

Cleared

Cytoflex Resorb, Model C03-0010 Through C03-090

K090083510(k) TraditionalCleared Mar 23, 200970-day reviewClass II21 CFR 872.3930

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

Unicare Biomedical, Inc. · LYC Bone Grafting Material, Synthetic

Cleared on Mar 23, 2009 as substantially equivalent to K973594 (W. L. Gore & Associates, Inc., 1997) and 2 other predicates after a 70-day review. Its family tree reaches back 3 generations to 1997. 1 later device descends from it.

Decided
Mar 23, 2009
Review
70 days
Class
Class II
Product code
LYC
Recalls
None
Predicates
3

Its longest line of descent runs back 3 generations to K973594 (1997). 9 ancestors in all, the oldest K932866 (1995). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1999: 1 other ancestor2004: 1 other ancestor1996: 2 other ancestors1995: 1 other ancestor1998: 1 other ancestor2026: 1 descendant clearedK973594 · Gore Resolut XT Regenerative Material · W. L. Gore & Associates, Inc. · 1997K993610 · Cytoplast Resorb, Models R-250, RP-250, RU-250, RPS-250, RPL-250 · Osteogenics Biomedical, Inc. · 2000K080308 · Bio-Scaffold Bioscaff Alvelac Resobable Scaffold · Bioscaffold International Pte, Ltd. · 20081995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors3 generations back: 2 other ancestors 1 generation forward: 1 descendant K080308 · Bio-Scaffold Bioscaff Alvelac Resobable Scaffold · Bioscaffold International Pte, Ltd. · 2008K993610 · Cytoplast Resorb, Models R-250, RP-250, RU-250, RPS-250, RPL-250 · Osteogenics Biomedical, Inc. · 2000K973594 · Gore Resolut XT Regenerative Material · W. L. Gore & Associates, Inc. · 19970
  1. Root · 3 generations backK973594 Gore Resolut XT Regenerative MaterialW. L. Gore & Associates, Inc. · 1997
  2. 2 generations backK993610 Cytoplast Resorb, Models R-250, RP-250, RU-250, RPS-250, RPL-250Osteogenics Biomedical, Inc. · 2000
  3. 1 generation backK080308 Bio-Scaffold Bioscaff Alvelac Resobable ScaffoldBioscaffold International Pte, Ltd. · 2008
  4. This deviceK090083 Cytoflex Resorb, Model C03-0010 Through C03-090Unicare Biomedical, Inc. · 2009
  5. Descendant · cites it directly · 0 of its ownK253317 Cytrans™ ElashieldGC America, Inc. · 2026

Most influential descendants

Showing 1 of 1 · See all
  • K253317Cytrans™ ElashieldGC America, Inc. · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K973594Gore Resolut XT Regenerative MaterialW. L. Gore & Associates, Inc.1997—
−2K993610Cytoplast Resorb, Models R-250, RP-250, RU-250, RPS-250, RPL-250Osteogenics Biomedical, Inc.2000—
−1K080308Bio-Scaffold Bioscaff Alvelac Resobable ScaffoldBioscaffold International Pte, Ltd.2008—
0 (this device)K090083Cytoflex Resorb, Model C03-0010 Through C03-090Unicare Biomedical, Inc.2009—
+1K253317Cytrans™ ElashieldGC America, Inc.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199620
199810
199910
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K090083, 1997–2026Source: 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 LYC? 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 LYC device

  1. #1 K253317 Cytrans™ Elashieldscore 14.3 · 10 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? (3)

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
*K973594Gore Resolut XT Regenerative Material
Summary page 1
…Absorbable barrier membrane Classification Name: Barrier, synthetic, intraoral Device Classification: II 3. Predicate Devices Gore Resolut (K973 594; W.L. Gore & Associates) Biomesh (K990363; SamYang Corporation) Bioscaff Alvelac; (KO803 08; Bioscaffold International) 4…
W. L. Gore & Associates, Inc.1997—
*K990363Biomesh Biodegradable GTR Barrier
Summary page 1
…ication Name: Barrier, synthetic, intraoral Device Classification: II 3. Predicate Devices Gore Resolut (K973 594; W.L. Gore & Associates) Biomesh (K990363; SamYang Corporation) Bioscaff Alvelac; (KO803 08; Bioscaffold International) 4. Device Description CytoFlex®V Resorb bar…
Samyang Corp.1999—
*K080308Bio-Scaffold Bioscaff Alvelac Resobable ScaffoldBioscaffold International Pte, Ltd.2008—

Also cleared against K973594: 3 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K253317Cytrans™ ElashieldGC America, Inc.20260

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 12 years and passes through 4 companies; a new generation was cleared every 2.2 years on median.
  • 1 of the 9 ancestors has a recall of any class.
  • Of its descendants, K253317 (GC America, Inc., 2026) has gone furthest, with 0 descendants of its own.
  • 3 other devices also cite its predicate K973594.

How does its category compare?

All LYC devices

LYC Bone Grafting Material, Synthetic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.

FDA decisions per year · LYC

3in 2025

2007: 132008: 82009: 142010: 132011: 92012: 52013: 22014: 12016: 22020: 32022: 22025: 32026 (partial year): 3
2007high 14 (2009) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LYC

267in 2025

2007: 80 days median2008: 73 days median2009: 100 days median2010: 164 days median2011: 224 days median2012: 120 days median2020: 156 days median2025: 267 days median2026 (partial year): 266 days median
2007high 267 (2025) · low 73 (2008)2026

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

Recalls per year · LYC

1in 2018

2009: 12010: 22012: 22016: 22018: 1
2007high 2 (2010) · low 0 (2007)2026

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

Adverse event reports per year · LYC

2in 2025

2007: 232008: 252009: 252010: 282011: 212012: 102013: 122014: 92015: 142016: 1402017: 192018: 142019: 152020: 52021: 122022: 62023: 92024: 62025: 2
2007high 140 (2016) · low 2 (2025)2025

MAUDE reports naming product code LYC, 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
20071380023
2008873025
200914100125
201013164228
20119224021
20125120210
20132—012
20141—09
20150—014
20162—2140
20170—019
20180—114
20190—015
2020315605
20210—012
20222—06
20230—09
20240—06
2025326702
202632660—

What is it indicated for?

CytoFlex® Resorb membranes are intended for use as a space-making barrier in the treatment of periodontal defects and maxillofacial guided tissue regeneration procedures, including preservation and regeneration of alveolar bone height and volume, ridge and. extraction site augmentation, sinus lifts, and treatment of associated cystic defects. It is also intended for use as a grafting material containment matrix.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K090083: Cytoflex Resorb, Model C03-0010 Through C03-090.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K090083

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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