510(k) Report

510(k) · Cleared

Cleared

restor3d Metallic Interference Screw

K193491510(k) TraditionalCleared Mar 19, 202093-day reviewClass II21 CFR 888.3040

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

Restor3D · HWC Screw, Fixation, Bone

Cleared on Mar 19, 2020 as substantially equivalent to K182955 (Conmed Corporation, 2019) and 1 other predicate after a 93-day review. Its family tree reaches back 2 generations to 1994.

Decided
Mar 19, 2020
Review
93 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K933352 (1994). 3 ancestors in all, the oldest K921481 (1993). No later device cites it as a predicate yet.

Other ancestors, by year cleared 1993: 1 other ancestorK933352 · Concept Cannulated Intereference Screw · Linvatec Corp. · 1994K182955 · EZStart Interference Screw · Conmed Corporation · 20191990199520002005201020152020
Other ancestors, by generation 1 generation back: 1 other ancestor K182955 · EZStart Interference Screw · Conmed Corporation · 2019K933352 · Concept Cannulated Intereference Screw · Linvatec Corp. · 19940
  1. Root · 2 generations backK933352 Concept Cannulated Intereference ScrewLinvatec Corp. · 1994
  2. 1 generation backK182955 EZStart Interference ScrewConmed Corporation · 2019
  3. This deviceK193491 restor3d Metallic Interference ScrewRestor3D · 2020
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K933352Concept Cannulated Intereference ScrewLinvatec Corp.1994—
−1K182955EZStart Interference ScrewConmed Corporation2019—
0 (this device)K193491restor3d Metallic Interference ScrewRestor3D2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
FIG. 1 — Lineage of K193491, 1994–2020Source: 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 HWC? 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 HWC device

  1. #1 K203011 Monster Screw Systemscore 22.2 · 14 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? (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
*K182955EZStart Interference Screw
Summary page 4
…r threaded metallic bone fixation fastener 21 CFR 888.3040 E. Predicate Device(s): Conmed EZ-Start Interference Screw (K182955) Smith&Nephew CANNU-FLEX SILK Interference Screw (K921481) F. Physical Description: The proposed rest…
Conmed Corporation2019—
*K921481Interference-Cannu-Flex/Silk Screws-Screw DR/G Wir
Summary page 4
…21 CFR 888.3040 E. Predicate Device(s): Conmed EZ-Start Interference Screw (K182955) Smith&Nephew CANNU-FLEX SILK Interference Screw (K921481) F. Physical Description: The proposed restor3d Metallic Interference Screw is a sterile, single use…
Acufex Microsurgical, Inc.19931

Also cleared against K182955: 2 other devices →

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 26 years and passes through 3 companies; a new generation was cleared every 24.9 years on median.
  • 1 of the 3 ancestors has a recall of any class.
  • 2 other devices also cite its predicate K182955.

How does its category compare?

All HWC devices

HWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.

FDA decisions per year · HWC

15in 2025

2007: 352008: 332009: 272010: 232011: 352012: 202013: 252014: 312015: 412016: 262017: 402018: 202019: 302020: 282021: 262022: 262023: 242024: 172025: 152026 (partial year): 21
2007high 41 (2015) · low 15 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HWC

111in 2025

2007: 77 days median2008: 76 days median2009: 113 days median2010: 110 days median2011: 88 days median2012: 99 days median2013: 90 days median2014: 88 days median2015: 85 days median2016: 131 days median2017: 127 days median2018: 106 days median2019: 108 days median2020: 75 days median2021: 84 days median2022: 167 days median2023: 104 days median2024: 90 days median2025: 111 days median2026 (partial year): 125 days median
2007high 167 (2022) · low 75 (2020)2026

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

Recalls per year · HWC

1in 2025

2007: 252008: 332009: 292010: 72011: 122012: 302013: 142014: 22015: 52016: 42017: 42018: 12019: 52020: 42021: 22022: 132025: 12026 (partial year): 2
2007high 33 (2008) · low 0 (2023)2026

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

Adverse event reports per year · HWC

2,893in 2025

2007: 6692008: 6602009: 6512010: 7652011: 1,1042012: 3,3392013: 3,8502014: 2,5492015: 2,7112016: 2,2852017: 2,5612018: 3,6622019: 5,4632020: 4,8202021: 4,4462022: 3,9342023: 3,7182024: 3,5752025: 2,893
2007high 5,463 (2019) · low 651 (2009)2025

MAUDE reports naming product code HWC, 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
2007357725669
2008337633660
20092711329651
2010231107765
20113588121,104
20122099303,339
20132590143,850
2014318822,549
2015418552,711
20162613142,285
20174012742,561
20182010613,662
20193010855,463
2020287544,820
2021268424,446
202226167133,934
20232410403,718
2024179003,575
20251511112,893
2026211252—

What is it indicated for?

The restor3d Metallic Interference Screw is used to provide bone-tendon-bone graft fixation in anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) reconstruction of the knee.

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. “K193491: restor3d Metallic Interference Screw.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K193491

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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