510(k) Report

510(k) · Cleared

Cleared

KLS-Martin Intraoral Distractor

K973275510(k) TraditionalCleared Nov 20, 199779-day reviewClass II21 CFR 872.4760

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

KLS-Martin L.P. · MQN External Mandibular Fixator And/Or Distractor

Cleared on Nov 20, 1997 as substantially equivalent to K962272 (Synthes (Usa), 1996) after a 79-day review. Its family tree reaches back 2 generations to 1979. 8 later devices descend from it.

Decided
Nov 20, 1997
Review
79 days
Class
Class II
Product code
MQN
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K792561 (1979). 8 later devices descend from it, 5 citing it directly.

Descendants, by year cleared 1999: 1 descendant cleared2003: 1 descendant cleared2004: 2 descendants cleared1998: 1 descendant cleared2016: 1 descendant cleared2022: 1 descendant cleared2010: 1 descendant clearedK792561 · Mini-H-Fixation · Geny Medical, Inc. · 1979K962272 · Synthes Mandible Distractor · Synthes (Usa) · 199619801990200020102020
Descendants, by generation 1 generation forward: 5 descendants2 generations forward: 3 descendants K962272 · Synthes Mandible Distractor · Synthes (Usa) · 1996K792561 · Mini-H-Fixation · Geny Medical, Inc. · 19790
  1. Root · 2 generations backK792561 Mini-H-FixationGeny Medical, Inc. · 1979
  2. 1 generation backK962272 Synthes Mandible DistractorSynthes (Usa) · 1996
  3. This deviceK973275 KLS-Martin Intraoral DistractorKLS-Martin L.P. · 1997
  4. Descendant · cites it directly · 3 of its ownK991875 K-L-W Intraoral DistractorKLS-Martin L.P. · 1999
  5. Descendant · cites it directly · 3 of its ownK983515 KLS Intraoral Vertical DistractorKLS-Martin L.P. · 1998
  6. Descendant · cites it directly · 1 of its ownK161470 Internal Distraction - SterileKLS Martin L.P. · 2016
  7. Descendant · cites it directly · 1 of its ownK014001 Distraction Osteogenesis Rod Appliances, Models 1, 2, and 3Oral Osteodistraction, L.P. · 2003
  8. Descendant · 2 generations on · 0 of its ownK220050 KLS Martin IPS DistractionKLS Martin L.P. · 2022

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

1998: 11999: 12003: 12004: 22010: 12016: 12022: 1
1998high 2 (2004) · low 0 (2000)2026

Most influential descendants

Showing 5 of 8 · See all
  • K991875K-L-W Intraoral DistractorKLS-Martin L.P. · 1999 · cites it directly3descendants
  • K983515KLS Intraoral Vertical DistractorKLS-Martin L.P. · 1998 · cites it directly3descendants
  • K161470Internal Distraction - SterileKLS Martin L.P. · 2016 · cites it directly1descendant
  • K014001Distraction Osteogenesis Rod Appliances, Models 1, 2, and 3Oral Osteodistraction, L.P. · 2003 · cites it directly1descendant
  • K220050KLS Martin IPS DistractionKLS Martin L.P. · 2022 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K792561Mini-H-FixationGeny Medical, Inc.1979—
−1K962272Synthes Mandible DistractorSynthes (Usa)1996—
0 (this device)K973275KLS-Martin Intraoral DistractorKLS-Martin L.P.1997—
+1K991875K-L-W Intraoral DistractorKLS-Martin L.P.1999—
+1K983515KLS Intraoral Vertical DistractorKLS-Martin L.P.1998—
+1K161470Internal Distraction - SterileKLS Martin L.P.2016—
+1K014001Distraction Osteogenesis Rod Appliances, Models 1, 2, and 3Oral Osteodistraction, L.P.2003—
+2K220050KLS Martin IPS DistractionKLS Martin L.P.2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
199910
200310
200420
201010
201610
202210
FIG. 1 — Lineage of K973275, 1979–2022Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 MQN? 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 MQN device

  1. #1 K220050 KLS Martin IPS Distractionscore 5.0 · 5 generations · no Class I recall
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
*K962272Synthes Mandible Distractor
Summary page 1
…ansom Date of Summary: August 26, 1997 Trade Name: KLS-Martin Intraoral Distractor Classification Name: Mandible Distractor Predicate Device: Synthes Mandible Distractor K962272 Device Description/ Comparison: The KLS-Martin Intraoral Distractor is a subcutaneous bone distractor. It features two telescop…
Synthes (Usa)1996—

Also cleared against K962272: 3 other devices →

What descends from it? (8)

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

NumberDeviceApplicantDecidedDescendants
K991875K-L-W Intraoral DistractorKLS-Martin L.P.19993
K983515KLS Intraoral Vertical DistractorKLS-Martin L.P.19983
K161470Internal Distraction - SterileKLS Martin L.P.20161
K014001Distraction Osteogenesis Rod Appliances, Models 1, 2, and 3Oral Osteodistraction, L.P.20031
K042066Klsa Martin Hand DistractorKLS-Martin L.P.20040

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 18 years and passes through 3 companies; a new generation was cleared every 16.7 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K991875 (KLS-Martin L.P., 1999) has gone furthest, with 3 descendants of its own.
  • 3 other devices also cite its predicate K962272.

How does its category compare?

All MQN devices

MQN External Mandibular Fixator And/Or Distractor: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · MQN

1in 2022

2007: 42008: 32012: 12014: 12015: 12016: 12017: 12018: 12019: 12022: 1
2007high 4 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MQN

292in 2008

2007: 77 days median2008: 292 days median
2007high 292 (2008) · low 77 (2007)2026

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

Recalls per year · MQN

1in 2014

2014: 1
2007high 1 (2014) · low 0 (2007)2026

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

Adverse event reports per year · MQN

34in 2025

2007: 52008: 82009: 112010: 202011: 262012: 1072013: 1792014: 572015: 932016: 872017: 752018: 1082019: 1222020: 862021: 1012022: 612023: 392024: 602025: 34
2007high 179 (2013) · low 5 (2007)2025

MAUDE reports naming product code MQN, 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
200747705
2008329208
20090—011
20100—020
20110—026
20121—0107
20130—0179
20141—157
20151—093
20161—087
20171—075
20181—0108
20191—0122
20200—086
20210—0101
20221—061
20230—039
20240—060
20250—034
20260—0—

What is it indicated for?

The KLS-Martin Intraoral Distractor is intended to be used in the mandible for conditions such as mandibular deficiency or post-traumatic effects of the mandible, where gradual bone distraction is required. (Micrognathia, Hemifacial Microsomia, Congenital Craniofacial Syndromes)

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. “K973275: KLS-Martin Intraoral Distractor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K973275

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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