510(k) Report

510(k) · Cleared

Cleared

Pillar Palatal Implant System

K040417510(k) TraditionalCleared Jul 28, 2004161-day reviewClass II21 CFR 872.5570

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

Restore Medical, Inc. · LRK Device, Anti-Snoring

Cleared on Jul 28, 2004 as substantially equivalent to K011723 (Pi Medical, 2002) and 2 other predicates after a 161-day review. Its family tree reaches back 6 generations to 1992.

Decided
Jul 28, 2004
Review
161 days
Class
Class II
Product code
LRK
Recalls
None
Predicates
3

Its longest line of descent runs back 6 generations to K920213 (1992). 14 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 6 generations backK920213 Mitek Anchor, Mitek Anchor IIMitek Surgical Products, Inc. · 1992
  2. 5 generations backK962372 Urotac Bone Anchor InserterInfluence, Inc. · 1996
  3. 4 generations backK970292 IN-Fast Bone Screw System/in-Fast Bone Screw Inserter/in-Fast Bone…Influence, Inc. · 1997 · Recalled
  4. 3 generations backK972023 Sleep-in Bone Screw SystemInfluence, Inc. · 1997
  5. 2 generations backK981677 Repose Bone Screw SystemInfluence, Inc. · 1999 · Recalled
  6. 1 generation backK011723 Anti-Snoring Device or AsdPi Medical · 2002
  7. This deviceK040417 Pillar Palatal Implant SystemRestore Medical, Inc. · 2004
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K920213Mitek Anchor, Mitek Anchor IIMitek Surgical Products, Inc.1992—
−5K962372Urotac Bone Anchor InserterInfluence, Inc.1996—
−4K970292IN-Fast Bone Screw System/in-Fast Bone Screw Inserter/in-Fast Bone ScrewInfluence, Inc.19971
−3K972023Sleep-in Bone Screw SystemInfluence, Inc.1997—
−2K981677Repose Bone Screw SystemInfluence, Inc.19992
−1K011723Anti-Snoring Device or AsdPi Medical2002—
0 (this device)K040417Pillar Palatal Implant SystemRestore Medical, Inc.2004—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199530
199620
199710
199810
FIG. 1 — Lineage of K040417, 1992–2004Source: 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 LRK? 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 LRK device

  1. #1 K252531 Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for…score 16.3 · 9 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
*K011723Anti-Snoring Device or Asd
Summary page 1
…lant System ( a/k/a Anti-Snoring Device), manufactured by Restore Medical Inc, and cleared via 5 10(k) Notification K01 1723 on December 18, 2002 for the treatment of snoring. Somnoplasty System, man…
Pi Medical2002—
*K982717Somnoplasty System, Models S2, 1010/2010,2000/1000,1100,3000/30XX/6000, 1200
Summary page 1
…System, manufactured by Gyrus PLC (formerly Somnus Medical Technologies, Inc.) and cleared via 510(k) Notification K982717 on November 2, 1998 for the reduction of the incidence of airway obstructions in patients suffering fr…
Somnus Medical Technologies, Inc.1998—
*K972023Sleep-in Bone Screw System
Summary page 1
…leep Apnea Syndrome). Sleep-In Bone Screw System, manufactured by Influence, Inc. cleared via 5 10(k) Notification K972023 on August 25, 1997 for the treatment of obstructive sleep apnea and/or snoring.…
Influence, Inc.1997—

Also cleared against K011723: 1 other device →

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 12 years and passes through 4 companies; a new generation was cleared every 2.0 years on median.
  • 3 of the 14 ancestors have a recall of any class.
  • 1 other device also cites its predicate K011723.

How does its category compare?

All LRK devices

LRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LRK

14in 2025

2007: 12008: 32009: 32010: 82011: 102012: 102013: 92014: 112015: 62016: 102017: 72018: 102019: 132020: 52021: 102022: 112023: 52024: 62025: 142026 (partial year): 10
2007high 14 (2025) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LRK

107in 2025

2008: 109 days median2009: 88 days median2010: 195 days median2011: 134 days median2012: 142 days median2013: 233 days median2014: 219 days median2015: 117 days median2016: 157 days median2017: 170 days median2018: 200 days median2019: 150 days median2020: 80 days median2021: 126 days median2022: 154 days median2023: 156 days median2024: 254 days median2025: 107 days median2026 (partial year): 63 days median
2007high 254 (2024) · low 80 (2020)2026

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

Recalls per year · LRK

1in 2025

2009: 22025: 12026 (partial year): 1
2007high 2 (2009) · low 0 (2007)2026

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

Adverse event reports per year · LRK

653in 2025

2008: 12009: 112010: 72011: 692012: 4452013: 722014: 492015: 282016: 182017: 322018: 612019: 562020: 242021: 492022: 402023: 502024: 1852025: 653
2007high 653 (2025) · low 0 (2007)2025

MAUDE reports naming product code LRK, 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
20071—00
2008310901
2009388211
2010819507
201110134069
2012101420445
20139233072
201411219049
20156117028
201610157018
20177170032
201810200061
201913150056
2020580024
202110126049
202211154040
20235156050
202462540185
2025141071653
202610631—

What is it indicated for?

The PillarTM Palatal Implant System is intended for the reduction of the incidence of airway obstructions in patients suffering from mild to moderate OSA (Obstructive Sleep Apnea).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K040417: Pillar Palatal Implant System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K040417

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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