510(k) Report

510(k) · Cleared

Cleared

Cytoplast Resorb, Models R-250, RP-250, RU-250, RPS-250, RPL-250

K993610510(k) TraditionalCleared Mar 2, 2000129-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

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

Cleared on Mar 2, 2000 as substantially equivalent to K973594 (W. L. Gore & Associates, Inc., 1997) after a 129-day review. Its family tree reaches back 1 generation to 1997. 7 later devices descend from it.

Decided
Mar 2, 2000
Review
129 days
Class
Class II
Product code
LYC
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K973594 (1997). 7 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2013: 1 descendant cleared2008: 1 descendant cleared2009: 2 descendants cleared2011: 1 descendant cleared2026: 1 descendant cleared2022: 1 descendant clearedK973594 · Gore Resolut XT Regenerative Material · W. L. Gore & Associates, Inc. · 19971995200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 2 descendants4 generations forward: 1 descendant K973594 · Gore Resolut XT Regenerative Material · W. L. Gore & Associates, Inc. · 19970
  1. Root · 1 generation backK973594 Gore Resolut XT Regenerative MaterialW. L. Gore & Associates, Inc. · 1997
  2. This deviceK993610 Cytoplast Resorb, Models R-250, RP-250, RU-250, RPS-250, RPL-250Osteogenics Biomedical, Inc. · 2000
  3. Descendant · cites it directly · 5 of its ownK080308 Bio-Scaffold Bioscaff Alvelac Resobable ScaffoldBioscaffold International Pte, Ltd. · 2008
  4. Descendant · 2 generations on · 2 of its ownK082419 Reoss Powder, Reoss Putty, Reoss Gel, Models R-1,RP-1, RG-1Intra-Lock International, Inc. · 2009
  5. Descendant · 3 generations on · 1 of its ownK101827 OsteoscafTexas Innovative Medical Devices (Dba) Skeletal · 2011
  6. Descendant · 2 generations on · 1 of its ownK090083 Cytoflex Resorb, Model C03-0010 Through C03-090Unicare Biomedical, Inc. · 2009
  7. Descendant · 3 generations on · 0 of its ownK253317 Cytrans™ ElashieldGC America, Inc. · 2026

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

2008: 12009: 22011: 12013: 12022: 12026: 1
2008high 2 (2009) · low 0 (2010)2026

Most influential descendants

Showing 5 of 7 · See all
  • K080308Bio-Scaffold Bioscaff Alvelac Resobable ScaffoldBioscaffold International Pte, Ltd. · 2008 · cites it directly5descendants
  • K082419Reoss Powder, Reoss Putty, Reoss Gel, Models R-1,RP-1, RG-1Intra-Lock International, Inc. · 2009 · 2 generations on2descendants
  • K101827OsteoscafTexas Innovative Medical Devices (Dba) Skeletal · 2011 · 3 generations on1descendant
  • K090083Cytoflex Resorb, Model C03-0010 Through C03-090Unicare Biomedical, Inc. · 2009 · 2 generations on1descendant
  • K253317Cytrans™ ElashieldGC America, Inc. · 2026 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K973594Gore Resolut XT Regenerative MaterialW. L. Gore & Associates, Inc.1997—
0 (this device)K993610Cytoplast 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—
+2K082419Reoss Powder, Reoss Putty, Reoss Gel, Models R-1,RP-1, RG-1Intra-Lock International, Inc.2009—
+3K101827OsteoscafTexas Innovative Medical Devices (Dba) Skeletal2011—
+2K090083Cytoflex Resorb, Model C03-0010 Through C03-090Unicare Biomedical, Inc.2009—
+3K253317Cytrans™ ElashieldGC America, Inc.2026—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200810
200920
201110
201310
202210
202610
FIG. 1 — Lineage of K993610, 1997–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K973594Gore Resolut XT Regenerative Material
Summary page 1
…orbable Regenerative Membrane Classification Name: Implant, Endosseous For Bone Filling And/Or Augmenta- tion. PREDICATE DEVICES Gore Resolut XT Regenerative Material (K973594, W.L. Gore & Associates, Inc.) DEVICE DESCRIPTION Cytoplast™ Resorb is a bioresorbable material. Specifically, the device is de…
W. L. Gore & Associates, Inc.1997—

Also cleared against K973594: 3 other devices →

What descends from it? (7)

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

NumberDeviceApplicantDecidedDescendants
K080308Bio-Scaffold Bioscaff Alvelac Resobable ScaffoldBioscaffold International Pte, Ltd.20085
K132325Guidor Bioresorbable Matrix BarrierSunstar Americas, Inc.20130

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?

  • Its one ancestor has no recall.
  • Of its descendants, K080308 (Bioscaffold International Pte, Ltd., 2008) has gone furthest, with 5 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.

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?

As a space-making barrier in the treatment of periodontal defects and guided tissue regeneration procedures;

As a grafting material containment membrane.

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. “K993610: Cytoplast Resorb, Models R-250, RP-250, RU-250, RPS-250, RPL-250.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K993610

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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