510(k) Report

510(k) · Cleared

Cleared

GRAVITY™ Syndesmosis LP

K170249510(k) TraditionalCleared Jun 30, 2017154-day reviewClass II21 CFR 888.3030

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

Wrightmedicaltechnologyinc · HTN Washer, Bolt Nut

Cleared on Jun 30, 2017 as substantially equivalent to K043248 (Arthrex, Inc., 2005) after a 154-day review. Its family tree reaches back 6 generations to 1979. 2 later devices descend from it.

Decided
Jun 30, 2017
Review
154 days
Class
Class II
Product code
HTN
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K792022 (1979). 36 ancestors in all. 2 later devices descend from it, 2 citing it directly.

Other ancestors, by generationDescendants, by generation 2 generations back: 4 other ancestors3 generations back: 8 other ancestors4 generations back: 9 other ancestors5 generations back: 6 other ancestors6 generations back: 3 other ancestors 1 generation forward: 2 descendants K043248 · Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS; Stainless Steel. Model AR-8921DS · Arthrex, Inc. · 2005K030900 · Inion Otps Biodegradable Fixaton System · Inion, Ltd. · 2003K012001 · Smartscrew · Bionx Implants, Ltd. · 2001K992947 · Cannulated Smartscrew Models 224540C, 224570C · Bionx Implants, Ltd. · 1999K974876 · Bionx Distal Radius Screw · Bionx Implants, Inc. · 1998K792022 · Herbert Bone Screw · Zimmer, Inc. · 1979 · recalled−50
  1. Root · 6 generations backK792022 Herbert Bone ScrewZimmer, Inc. · 1979 · Recalled
  2. 5 generations backK974876 Bionx Distal Radius ScrewBionx Implants, Inc. · 1998
  3. 4 generations backK992947 Cannulated Smartscrew Models 224540C, 224570CBionx Implants, Ltd. · 1999
  4. 3 generations backK012001 SmartscrewBionx Implants, Ltd. · 2001
  5. 2 generations backK030900 Inion Otps Biodegradable Fixaton SystemInion, Ltd. · 2003
  6. 1 generation backK043248 Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS…Arthrex, Inc. · 2005
  7. This deviceK170249 GRAVITY™ Syndesmosis LPWrightmedicaltechnologyinc · 2017
  8. Descendant · cites it directly · 0 of its ownK251643 Synchfix EVTWright Medical Technology, Inc. (Stryker Corporation) · 2025
  9. Descendant · cites it directly · 0 of its ownK220260 Hercules Syndesmosis Implant SystemIn2bones USA, LLC · 2022

Most influential descendants

Showing 2 of 2 · See all
  • K251643Synchfix EVTWright Medical Technology, Inc. (Stryker Corporation) · 2025 · cites it directly0descendants
  • K220260Hercules Syndesmosis Implant SystemIn2bones USA, LLC · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K792022Herbert Bone ScrewZimmer, Inc.19796
−5K974876Bionx Distal Radius ScrewBionx Implants, Inc.1998—
−4K992947Cannulated Smartscrew Models 224540C, 224570CBionx Implants, Ltd.1999—
−3K012001SmartscrewBionx Implants, Ltd.2001—
−2K030900Inion Otps Biodegradable Fixaton SystemInion, Ltd.2003—
−1K043248Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS; Stainless Steel.…Arthrex, Inc.2005—
0 (this device)K170249GRAVITY™ Syndesmosis LPWrightmedicaltechnologyinc2017—
+1K251643Synchfix EVTWright Medical Technology, Inc. (Stryker Corporation)2025—
+1K220260Hercules Syndesmosis Implant SystemIn2bones USA, LLC2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199020
199210
199310
199420
199530
199670
199740
199820
199930
200130
200310
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
202510
FIG. 1 — Lineage of K170249, 1979–2025Source: 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 HTN? 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 HTN device

  1. #1 K201522 Arthrex Syndesmosis TightRope XP Buttress…score 16.5 · 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? (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
*K043248Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS; Stainless Steel. Model…
Summary page 5
…nel: HTN – Orthopedic HRS – Orthopedic (a)(3). Predicate Device: Primary: K043248-Arthrex TightRope™ Reference: K083070-Biomet ToggleLoc™…
Arthrex, Inc.2005—
†K083070Toggleloc SystemBiomet Sports Medicine20086
†K163044ORTHOLOC® 3Di Ankle Fracture Plating SystemWrightmedicaltechnologyinc2017—
†K113871Pro-Dense Bone Graft SubstituteWrightmedicaltechnologyinc2013—

Also cleared against K043248: 25 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K251643Synchfix EVTWright Medical Technology, Inc. (Stryker Corporation)20250
K220260Hercules Syndesmosis Implant SystemIn2bones USA, LLC20220

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 38 years and passes through 6 companies; a new generation was cleared every 1.9 years on median.
  • 2 of the 36 ancestors have a recall of any class.
  • Of its descendants, K251643 (Wright Medical Technology, Inc. (Stryker Corporation), 2025) has gone furthest, with 0 descendants of its own.
  • 25 other devices also cite its predicate K043248.

How does its category compare?

All HTN devices

HTN Washer, Bolt Nut: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · HTN

4in 2025

2007: 12008: 22009: 32011: 42013: 32014: 82015: 22016: 12017: 62018: 22019: 52020: 32021: 22022: 52023: 22024: 62025: 42026 (partial year): 2
2007high 8 (2014) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HTN

75in 2025

2009: 86 days median2011: 130 days median2013: 105 days median2014: 98 days median2017: 88 days median2019: 116 days median2020: 87 days median2022: 86 days median2024: 90 days median2025: 75 days median
2007high 130 (2011) · low 75 (2025)2026

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

Recalls per year · HTN

1in 2019

2013: 12019: 1
2007high 1 (2013) · low 0 (2007)2026

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

Adverse event reports per year · HTN

190in 2025

2007: 142008: 112009: 222010: 172011: 122012: 692013: 452014: 332015: 352016: 432017: 302018: 482019: 532020: 812021: 1492022: 852023: 1082024: 2692025: 190
2007high 269 (2024) · low 11 (2008)2025

MAUDE reports naming product code HTN, 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—014
20082—011
2009386022
20100—017
20114130012
20120—069
20133105145
2014898033
20152—035
20161—043
2017688030
20182—048
20195116153
2020387081
20212—0149
2022586085
20232—0108
20246900269
20254750190
20262—0—

What is it indicated for?

The GRAVITY™ Syndesmosis LP System is intended to provide fixation during the healing process following trauma to the Ankle Syndesmosis (Syndesmosis disruptions) and as an adjunct in connection with trauma hardware for ankle fractures such as Weber B and C.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K170249: GRAVITY™ Syndesmosis LP.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K170249

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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