510(k) Report

510(k) · Cleared

Cleared

Rapidflap Cranial Clamp

K991029510(k) SpecialCleared Apr 23, 199925-day reviewClass II21 CFR 882.5330

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

Walter Lorenz Surgical, Inc. · GXN Plate, Cranioplasty, Preformed, Non-Alterable

Cleared on Apr 23, 1999 as substantially equivalent to K971252 (Ikonos Corp., 1998) after a 25-day review. Its family tree reaches back 1 generation to 1998. 72 later devices descend from it.

Decided
Apr 23, 1999
Review
25 days
Class
Class II
Product code
GXN
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K971252 (1998). 72 later devices descend from it, 6 citing it directly.

Descendants, by year cleared 2001: 1 descendant cleared2003: 3 descendants cleared2002: 1 descendant cleared2000: 1 descendant cleared2008: 1 descendant cleared2005: 1 descendant cleared2007: 2 descendants cleared2006: 1 descendant cleared2016: 2 descendants cleared2012: 1 descendant cleared2014: 3 descendants cleared2011: 1 descendant cleared2024: 12 descendants cleared2013: 1 descendant cleared2021: 3 descendants cleared2023: 8 descendants cleared2025: 14 descendants cleared2022: 3 descendants cleared2026: 11 descendants cleared2015: 2 descendants clearedK971252 · Sevrain Cranial Clamp · Ikonos Corp. · 19981995200020052010201520202025
Descendants, by generation 1 generation forward: 6 descendants2 generations forward: 4 descendants3 generations forward: 1 descendant4 generations forward: 6 descendants5 generations forward: 7 descendants6 generations forward: 7 descendants7 generations forward: 8 descendants8 generations forward: 14 descendants9 generations forward: 17 descendants10 generations forward: 2 descendants K971252 · Sevrain Cranial Clamp · Ikonos Corp. · 19980+5+10
  1. Root · 1 generation backK971252 Sevrain Cranial ClampIkonos Corp. · 1998
  2. This deviceK991029 Rapidflap Cranial ClampWalter Lorenz Surgical, Inc. · 1999
  3. Descendant · cites it directly · 63 of its ownK031034 Spin Down RapidflapWalter Lorenz Surgical, Inc. · 2003 · Recalled
  4. Descendant · cites it directly · 63 of its ownK022277 Osteomed Cranial Flap Fixation SystemOsteomed Corp. · 2003
  5. Descendant · 2 generations on · 62 of its ownK062857 KLS Martin Quick DiscKLS Martin L.P. · 2006
  6. Descendant · 3 generations on · 61 of its ownK070169 KLS Martin Quick Disc, Sternal Talon and Sternal Plating - SterileKLS Martin L.P. · 2007
  7. Descendant · 4 generations on · 45 of its ownK151983 KLS Martin LSS Plating SystemKLS Martin L.P. · 2016

Showing 5 of 72 descendants. See all descendants

Descendants cleared per year

2000: 12001: 12002: 12003: 32005: 12006: 12007: 22008: 12011: 12012: 12013: 12014: 32015: 22016: 22021: 32022: 32023: 82024: 122025: 142026: 11
2000high 14 (2025) · low 0 (2004)2026

Most influential descendants

Showing 5 of 72 · See all
  • K031034Spin Down RapidflapWalter Lorenz Surgical, Inc. · 2003 · cites it directly63descendants
  • K022277Osteomed Cranial Flap Fixation SystemOsteomed Corp. · 2003 · cites it directly63descendants
  • K062857KLS Martin Quick DiscKLS Martin L.P. · 2006 · 2 generations on62descendants
  • K070169KLS Martin Quick Disc, Sternal Talon and Sternal Plating - SterileKLS Martin L.P. · 2007 · 3 generations on61descendants
  • K151983KLS Martin LSS Plating SystemKLS Martin L.P. · 2016 · 4 generations on45descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K971252Sevrain Cranial ClampIkonos Corp.1998—
0 (this device)K991029Rapidflap Cranial ClampWalter Lorenz Surgical, Inc.1999—
+1K031034Spin Down RapidflapWalter Lorenz Surgical, Inc.20036
+1K022277Osteomed Cranial Flap Fixation SystemOsteomed Corp.2003—
+2K062857KLS Martin Quick DiscKLS Martin L.P.2006—
+3K070169KLS Martin Quick Disc, Sternal Talon and Sternal Plating - SterileKLS Martin L.P.2007—
+4K151983KLS Martin LSS Plating SystemKLS Martin L.P.2016—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200010
200110
200210
200330
200510
200610
200720
200810
201110
201210
201310
201430
201520
201620
202130
202230
202380
2024120
2025140
2026110
FIG. 1 — Lineage of K991029, 1998–2026Source: 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 GXN? 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 GXN device

  1. #1 K260709 ClearFit Ti Ring 14mm (171750);ClearFit Ti…score 13.7 · 8 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
*K971252Sevrain Cranial Clamp
Summary page 1
…Kaalo 29 Summary of Safety and Effectiveness Device Modification Name: RapidFlap Cranial Clamp Name of previously cleared 510(k): Sevrain Cranial Clamp SCC100 - 510(k) K971252 Classification Name: Plate, Cranioplasty, Preformed, Non-Alterable Product Code and Reference: 84 GXN (21 CFR - 882.5330) Intend…
Ikonos Corp.1998—

Also cleared against K971252: 2 other devices →

What descends from it? (72)

See all 72

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

NumberDeviceApplicantDecidedDescendants
K031034Spin Down RapidflapWalter Lorenz Surgical, Inc.200363
K022277Osteomed Cranial Flap Fixation SystemOsteomed Corp.200363
K993990Leibinger Quik Disk Titanium Clamp SystemStryker Instruments20006
K013050The Bioplate Zip Craniotomy Fixation SystemBioplate, Inc.20014
K020088Modification of the Bioplate Zip Craniotomy Fixation SystemBioplate, Inc.20022
K030378Stryker Leibinger Cranial Fixation SystemStryker Instruments20030

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, K031034 (Walter Lorenz Surgical, Inc., 2003) has gone furthest, with 63 descendants of its own.
  • 2 other devices also cite its predicate K971252.

How does its category compare?

All GXN devices

GXN Plate, Cranioplasty, Preformed, Non-Alterable: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GXN

2in 2025

2007: 22008: 12011: 22012: 32013: 12014: 22015: 22016: 12017: 22018: 32020: 52021: 32022: 22023: 12024: 12025: 22026 (partial year): 4
2007high 5 (2020) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GXN

69in 2021

2012: 102 days median2018: 199 days median2020: 33 days median2021: 69 days median2026 (partial year): 193 days median
2007high 199 (2018) · low 33 (2020)2026

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

Recalls per year · GXN

6in 2018

2018: 6
2007high 6 (2018) · low 0 (2007)2026

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

Adverse event reports per year · GXN

24in 2025

2007: 32008: 172009: 172010: 232011: 202012: 292013: 572014: 602015: 472016: 352017: 742018: 562019: 542020: 632021: 632022: 572023: 322024: 352025: 24
2007high 74 (2017) · low 3 (2007)2025

MAUDE reports naming product code GXN, 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
20072—03
20081—017
20090—017
20100—023
20112—020
20123102029
20131—057
20142—060
20152—047
20161—035
20172—074
20183199656
20190—054
2020533063
2021369063
20222—057
20231—032
20241—035
20252—024
202641930—

What is it indicated for?

RapidFlap is indicated for the re-attachment of the bone flap after a craniotomy.

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. “K991029: Rapidflap Cranial Clamp.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K991029

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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