510(k) Report

510(k) · Cleared

Cleared

Gamma Locking Nail-Cross Locking Screws

K932174510(k) TraditionalCleared Mar 7, 1994306-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

Howmedica Corp. · KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component

Cleared on Mar 7, 1994 after a 306-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 later device descends from it.

Decided
Mar 7, 1994
Review
306 days
Class
Class II
Product code
KTT
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 1997: 1 descendant cleared1990200020102020
  1. This deviceK932174 Gamma Locking Nail-Cross Locking ScrewsHowmedica Corp. · 1994
  2. Descendant · cites it directly · 0 of its ownK970257 Fixano D.S.S. (Double Sliding Screws) System for Osteosynthesis of…Ferguson Medical · 1997

Most influential descendants

Showing 1 of 1 · See all
  • K970257Fixano D.S.S. (Double Sliding Screws) System for Osteosynthesis of Sub-Trochanterian…Ferguson Medical · 1997 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K932174Gamma Locking Nail-Cross Locking ScrewsHowmedica Corp.1994—
+1K970257Fixano D.S.S. (Double Sliding Screws) System for Osteosynthesis of…Ferguson Medical1997—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
FIG. 1 — Lineage of K932174, 1994–1997Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KTT? 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 KTT device

  1. #1 K242861 TrueLok Elevatescore 21.4 · 14 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K970257Fixano D.S.S. (Double Sliding Screws) System for Osteosynthesis of Sub-Trochanterian…Ferguson Medical19970

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?

  • Of its descendants, K970257 (Ferguson Medical, 1997) has gone furthest, with 0 descendants of its own.

How does its category compare?

All KTT devices

KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KTT

10in 2025

2007: 92008: 112009: 112010: 122011: 102012: 92013: 72014: 142015: 122016: 102017: 112018: 62019: 82020: 92021: 102022: 32023: 72024: 52025: 102026 (partial year): 5
2007high 14 (2014) · low 3 (2022)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KTT

88in 2025

2007: 55 days median2008: 73 days median2009: 94 days median2010: 148 days median2011: 157 days median2012: 140 days median2013: 87 days median2014: 129 days median2015: 60 days median2016: 142 days median2017: 184 days median2018: 149 days median2019: 110 days median2020: 200 days median2021: 83 days median2022: 25 days median2023: 29 days median2024: 90 days median2025: 88 days median2026 (partial year): 68 days median
2007high 200 (2020) · low 25 (2022)2026

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

Recalls per year · KTT

2in 2021

2007: 22008: 12009: 22010: 12012: 42013: 72017: 12018: 142019: 32021: 22026 (partial year): 11
2007high 14 (2018) · low 0 (2011)2026

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

Adverse event reports per year · KTT

673in 2025

2007: 452008: 662009: 452010: 1212011: 1962012: 5272013: 8982014: 4452015: 4012016: 4002017: 4852018: 5972019: 8002020: 9422021: 9612022: 6272023: 5542024: 5232025: 673
2007high 961 (2021) · low 45 (2007)2025

MAUDE reports naming product code KTT, 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
2007955245
20081173166
20091194245
2010121481121
2011101570196
201291404527
20137877898
2014141290445
201512600401
2016101420400
2017111841485
2018614914597
201981103800
202092000942
202110832961
20223250627
20237290554
20245900523
202510880673
202656811—

More from Howmedica Corp.

393 FDA decisions under this applicant name. See the company

  • N17004/S013Surgical Simplex P Bone CementHowmedica Corp. · 2000
  • N17004/S012Surgical Simplex P Radiopaque Bone CementHowmedica Corp. · 2000
  • K983528Micro Dynamic MeshHowmedica Corp. · 1998
  • K983404Type 3 Femoral ComponentsHowmedica Corp. · 19981 recall
  • K980925Duration II Tibial Inserts-Ethylene Oxide SterilizationHowmedica Corp. · 1998

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https://510kreport.com/device/K932174 · printed Nov 5, 2026

Cite this page

510(k) Report. “K932174: Gamma Locking Nail-Cross Locking Screws.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K932174

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026