510(k) Report

510(k) · Cleared

Cleared

Cytrans™ Elashield

K253317510(k) TraditionalCleared Jul 6, 2026279-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

GC America, Inc. · LYC Bone Grafting Material, Synthetic

Cleared on Jul 6, 2026 as substantially equivalent to K090083 (Unicare Biomedical, Inc., 2009) and 1 other predicate after a 279-day review. Its family tree reaches back 10 generations to 1995.

Decided
Jul 6, 2026
Review
279 days
Class
Class II
Product code
LYC
Recalls
None
Predicates
2

Its longest line of descent runs back 10 generations to K924408 (1995). 37 ancestors in all, the oldest K871773 (1987). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2009: 1 other ancestor2008: 2 other ancestors1999: 1 other ancestor1997: 2 other ancestors2017: 1 other ancestor2013: 1 other ancestor2011: 2 other ancestors2004: 2 other ancestors2000: 2 other ancestors1996: 2 other ancestors1995: 3 other ancestors2010: 1 other ancestor2003: 1 other ancestor2002: 1 other ancestor1998: 3 other ancestors1992: 1 other ancestor1987: 1 other ancestorK924408 · Colla-Tec Absorbable Collagen Membrane · Colla-Tec, Inc. · 1995 · recalledK992216 · Biomend Extend Absorbable Collagen Membrane, Biomend Absorbable Collagen Menbrane · Integra Lifesciences Corp. · 1999 · recalledK042197 · Bio-Gide Resorbable Bilayer Membrane for Guided Tissue and Bone Regeneration · Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2004K050446 · Bio-Gide Resorbable Bilayer Membrane for Guided Tissue and Bone · Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2005K061244 · Mucograft · Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2006K073711 · Mucograft Collagen Matrix · Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2008K102531 · Mucograft · Ed. Geistlich Soehne AG Fur Chemische Industrie · 2010K140518 · Geistlich Mucograft: 15 X 20 MM, 20 X 30 MM, 8 MM Diameter · Geistlich Pharma AG · 2014K192042 · Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide Compressed, Geistlich Bio-Gide Perio, Geistlich Combi-Kit Collagen, Geistlich Perio-System Combi-Pack, Geistlich Mucograft and Geistlich Mucograft Seal · Geistlich Pharma AG · 2019K212463 · Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide Compressed, Geistlich Bio-Gide Perio, Geistlich Combi-Kit Collagen and Geistlich Perio-System Combi Pack · Geistlich Pharma AG · 20221990200020102020
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors3 generations back: 9 other ancestors4 generations back: 10 other ancestors5 generations back: 4 other ancestors K212463 · Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide Compressed, Geistlich Bio-Gide Perio, Geistlich Combi-Kit Collagen and Geistlich Perio-System Combi Pack · Geistlich Pharma AG · 2022K192042 · Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide Compressed, Geistlich Bio-Gide Perio, Geistlich Combi-Kit Collagen, Geistlich Perio-System Combi-Pack, Geistlich Mucograft and Geistlich Mucograft Seal · Geistlich Pharma AG · 2019K140518 · Geistlich Mucograft: 15 X 20 MM, 20 X 30 MM, 8 MM Diameter · Geistlich Pharma AG · 2014K102531 · Mucograft · Ed. Geistlich Soehne AG Fur Chemische Industrie · 2010K073711 · Mucograft Collagen Matrix · Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2008K061244 · Mucograft · Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2006K050446 · Bio-Gide Resorbable Bilayer Membrane for Guided Tissue and Bone · Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2005K042197 · Bio-Gide Resorbable Bilayer Membrane for Guided Tissue and Bone Regeneration · Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2004K992216 · Biomend Extend Absorbable Collagen Membrane, Biomend Absorbable Collagen Menbrane · Integra Lifesciences Corp. · 1999 · recalledK924408 · Colla-Tec Absorbable Collagen Membrane · Colla-Tec, Inc. · 1995 · recalled−10−50
  1. Root · 10 generations backK924408 Colla-Tec Absorbable Collagen MembraneColla-Tec, Inc. · 1995 · Recalled
  2. 6 generations between
  3. 3 generations backK140518 Geistlich Mucograft: 15 X 20 MM, 20 X 30 MM, 8 MM DiameterGeistlich Pharma AG · 2014
  4. 2 generations backK192042 Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide…Geistlich Pharma AG · 2019
  5. 1 generation backK212463 Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide…Geistlich Pharma AG · 2022
  6. This deviceK253317 Cytrans™ ElashieldGC America, Inc. · 2026
Show all 10 generations
  1. Root · 10 generations backK924408 Colla-Tec Absorbable Collagen MembraneColla-Tec, Inc. · 1995 · Recalled
  2. 9 generations backK992216 Biomend Extend Absorbable Collagen Membrane, Biomend Absorbable…Integra Lifesciences Corp. · 1999 · Recalled
  3. 8 generations backK042197 Bio-Gide Resorbable Bilayer Membrane for Guided Tissue and Bone…Ed. Geistlich Soehne AG Fuer Chemische Industrie · 2004
  4. 7 generations backK050446 Bio-Gide Resorbable Bilayer Membrane for Guided Tissue and BoneEd. Geistlich Soehne AG Fuer Chemische Industrie · 2005
  5. 6 generations backK061244 MucograftEd. Geistlich Soehne AG Fuer Chemische Industrie · 2006
  6. 5 generations backK073711 Mucograft Collagen MatrixEd. Geistlich Soehne AG Fuer Chemische Industrie · 2008
  7. 4 generations backK102531 MucograftEd. Geistlich Soehne AG Fur Chemische Industrie · 2010
  8. 3 generations backK140518 Geistlich Mucograft: 15 X 20 MM, 20 X 30 MM, 8 MM DiameterGeistlich Pharma AG · 2014
  9. 2 generations backK192042 Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide…Geistlich Pharma AG · 2019
  10. 1 generation backK212463 Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide…Geistlich Pharma AG · 2022
  11. This deviceK253317 Cytrans™ ElashieldGC America, Inc. · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K924408Colla-Tec Absorbable Collagen MembraneColla-Tec, Inc.19952
−9K992216Biomend Extend Absorbable Collagen Membrane, Biomend Absorbable Collagen…Integra Lifesciences Corp.19991
−8K042197Bio-Gide Resorbable Bilayer Membrane for Guided Tissue and Bone RegenerationEd. Geistlich Soehne AG Fuer Chemische Industrie2004—
−7K050446Bio-Gide Resorbable Bilayer Membrane for Guided Tissue and BoneEd. Geistlich Soehne AG Fuer Chemische Industrie2005—
−6K061244MucograftEd. Geistlich Soehne AG Fuer Chemische Industrie2006—
−5K073711Mucograft Collagen MatrixEd. Geistlich Soehne AG Fuer Chemische Industrie2008—
−4K102531MucograftEd. Geistlich Soehne AG Fur Chemische Industrie2010—
−3K140518Geistlich Mucograft: 15 X 20 MM, 20 X 30 MM, 8 MM DiameterGeistlich Pharma AG2014—
−2K192042Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide Compressed…Geistlich Pharma AG2019—
−1K212463Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide Compressed…Geistlich Pharma AG2022—
0 (this device)K253317Cytrans™ ElashieldGC America, Inc.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199210
199530
199620
199720
199830
199910
200020
200210
200310
200420
200820
200910
201010
201120
201310
201710
FIG. 1 — Lineage of K253317, 1995–2026Source: 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 K253883 Bonalive Maxillofacialscore 12.8 · 6 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
*K090083Cytoflex Resorb, Model C03-0010 Through C03-090
Summary page 5
…Product Applicant 510(k) No. Code No Predicate Decision Date CytoFlex® Resorb UNICARE BIO- K090083 LYC Primary 03/23/2009 MEDICAL, INC. Geistlich Bio-Gide® Gei…
Unicare Biomedical, Inc.2009—
*K212463Geistlich Bio-Gide, Geistlich Bio-Gide Shape, Geistlich Bio-Gide Compressed, Geistlich…
Summary page 5
…BIO- K090083 LYC Primary 03/23/2009 MEDICAL, INC. Geistlich Bio-Gide® Geistlich Pharma K212463 NPL Secondary 04/05/2022 AG 4. Description of Device: Cytrans™ Ela…
Geistlich Pharma AG2022—

What descends from it?

No later submission names this one as a predicate yet.

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 31 years and passes through 6 companies; a new generation was cleared every 3.7 years on median.
  • 3 of the 37 ancestors have a recall of any class.

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. 2026, 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?

Cytrans™ Elashield is intended for the following uses as a space-making barrier:

Guided bone regeneration in oral surgery

Alveolar ridge augmentation

Guided tissue regeneration in periodontal defects

Extraction socket site preservation

Sinus lifts

Immediate implant placement at time of extraction or delayed placement

Treatment of associated cystic defect

The containment of bone grafting materials

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K253317: Cytrans™ Elashield.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K253317

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Record history
  • FDA decision record loaded Oct 30, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026