510(k) Report

510(k) · Cleared

Cleared

PRECICE Intramedullary Limb Lengthening System

K170346510(k) TraditionalCleared Mar 7, 201733-day reviewClass II21 CFR 888.3020

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

Nuvasive Specialized Orthopedics, Inc. · HSB Rod, Fixation, Intramedullary And Accessories

Cleared on Mar 7, 2017 as substantially equivalent to K160325 (Ellipse Technologies, Inc., 2016) after a 33-day review. Its family tree reaches back 10 generations to 1983. 1 later device descends from it.

Decided
Mar 7, 2017
Review
33 days
Class
Class II
Product code
HSB
Recalls
None
Predicates
1

Its longest line of descent runs back 10 generations to K831576 (1983). 11 ancestors in all. 1 later device descends from it, 1 citing it directly.

  1. Root · 10 generations backK831576 OrthofixElectro-Biology, Inc. · 1983
  2. 6 generations between
  3. 3 generations backK141023 Precice Intramedullary Limb Lengthening SystemEllipse Technologies, Inc. · 2014
  4. 2 generations backK151131 PRECICE Intramedullary Limb Lengthening SystemEllipse Technologies, Incorporated · 2015 · Recalled
  5. 1 generation backK160325 PRECICE Intramedullary Limb Lengthening SystemEllipse Technologies, Inc. · 2016
  6. This deviceK170346 PRECICE Intramedullary Limb Lengthening SystemNuvasive Specialized Orthopedics, Inc. · 2017
  7. Descendant · cites it directly · 0 of its ownK261651 Precice™ Max System and Precice™ Ankle Salvage SystemNuVasive Specialized Orthopedics · 2026
Show all 10 generations
  1. Root · 10 generations backK831576 OrthofixElectro-Biology, Inc. · 1983
  2. 9 generations backK955848 Orthofix ModulsystemOrthofix, Inc. · 1996 · Recalled
  3. 8 generations backK010322 Iskd (Intramedullary Skeletal Kinetic Distractor)Orthodyne, Inc. · 2001 · Recalled
  4. 7 generations backK031219 Modification to Iskd (Intramedullary Skeletal Kinetic Distractor)Orthofix, Inc. · 2003 · Recalled
  5. 6 generations backK101997 Ellipse Intramedullary Limb Lengthening SystemEllipse Technologies, Inc. · 2011 · Recalled
  6. 5 generations backK131677 Precice Intramedullary Limb Lengthening SystemEllipse Technologies, Inc. · 2013
  7. 4 generations backK133289 Precice Intramedullary Limb Lengthening SystemEllipse Technologies, Inc. · 2013
  8. 3 generations backK141023 Precice Intramedullary Limb Lengthening SystemEllipse Technologies, Inc. · 2014
  9. 2 generations backK151131 PRECICE Intramedullary Limb Lengthening SystemEllipse Technologies, Incorporated · 2015 · Recalled
  10. 1 generation backK160325 PRECICE Intramedullary Limb Lengthening SystemEllipse Technologies, Inc. · 2016
  11. This deviceK170346 PRECICE Intramedullary Limb Lengthening SystemNuvasive Specialized Orthopedics, Inc. · 2017

Most influential descendants

Showing 1 of 1 · See all
  • K261651Precice™ Max System and Precice™ Ankle Salvage SystemNuVasive Specialized Orthopedics · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K831576OrthofixElectro-Biology, Inc.1983—
−9K955848Orthofix ModulsystemOrthofix, Inc.199623
−8K010322Iskd (Intramedullary Skeletal Kinetic Distractor)Orthodyne, Inc.20011
−7K031219Modification to Iskd (Intramedullary Skeletal Kinetic Distractor)Orthofix, Inc.20031
−6K101997Ellipse Intramedullary Limb Lengthening SystemEllipse Technologies, Inc.20112
−5K131677Precice Intramedullary Limb Lengthening SystemEllipse Technologies, Inc.2013—
−4K133289Precice Intramedullary Limb Lengthening SystemEllipse Technologies, Inc.2013—
−3K141023Precice Intramedullary Limb Lengthening SystemEllipse Technologies, Inc.2014—
−2K151131PRECICE Intramedullary Limb Lengthening SystemEllipse Technologies, Incorporated20152
−1K160325PRECICE Intramedullary Limb Lengthening SystemEllipse Technologies, Inc.2016—
0 (this device)K170346PRECICE Intramedullary Limb Lengthening SystemNuvasive Specialized Orthopedics, Inc.2017—
+1K261651Precice™ Max System and Precice™ Ankle Salvage SystemNuVasive Specialized Orthopedics2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K170346, 1983–2026Source: 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 HSB? 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 HSB device

  1. #1 K200869 Gamma3 Systemscore 19.8 · 8 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
*K160325PRECICE Intramedullary Limb Lengthening System
Summary page 4
…of the tibia and femur. 7. Substantial equivalence: The subject PRECICE IMLL System is substantially equivalent to the most recently cleared PRECICE IMLL System (K160325). Substantial equivalence is based on indications for use, technological characteristics, and principles of operation.…
Ellipse Technologies, Inc.2016—
†K160267PRECICE Trauma Nail SystemEllipse Technologies, Incorporated2016—
†K083497Zimmer Natural Nail System Piriformis Fossa and Greater Trochanter Antegrade Femoral NailsZimmer, Inc.200916

Also cleared against K160325: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K261651Precice™ Max System and Precice™ Ankle Salvage SystemNuVasive Specialized Orthopedics20260

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 34 years and passes through 6 companies; a new generation was cleared every 2.1 years on median.
  • 5 of the 11 ancestors have a recall of any class.
  • Of its descendants, K261651 (NuVasive Specialized Orthopedics, 2026) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K160325.

How does its category compare?

All HSB devices

HSB Rod, Fixation, Intramedullary And Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · HSB

15in 2025

2007: 82008: 112009: 182010: 142011: 162012: 172013: 182014: 192015: 222016: 82017: 232018: 172019: 132020: 172021: 102022: 122023: 112024: 132025: 152026 (partial year): 18
2007high 23 (2017) · low 8 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HSB

106in 2025

2007: 68 days median2008: 57 days median2009: 86 days median2010: 117 days median2011: 78 days median2012: 112 days median2013: 105 days median2014: 147 days median2015: 111 days median2016: 124 days median2017: 119 days median2018: 134 days median2019: 132 days median2020: 112 days median2021: 94 days median2022: 172 days median2023: 162 days median2024: 195 days median2025: 106 days median2026 (partial year): 151 days median
2007high 195 (2024) · low 57 (2008)2026

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

Recalls per year · HSB

18in 2025

2008: 92009: 812010: 182011: 22012: 72013: 142014: 32015: 32016: 62017: 662018: 562019: 62020: 62021: 22022: 12023: 12024: 12025: 182026 (partial year): 1
2007high 81 (2009) · low 0 (2007)2026

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

Adverse event reports per year · HSB

2,911in 2025

2007: 1622008: 1842009: 3342010: 4542011: 6622012: 1,0792013: 1,7732014: 1,4742015: 1,6712016: 1,9202017: 1,4472018: 3,5262019: 2,5172020: 3,2992021: 4,1112022: 2,7332023: 2,2192024: 2,8692025: 2,911
2007high 4,111 (2021) · low 162 (2007)2025

MAUDE reports naming product code HSB, 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
20078680162
200811579184
2009188681334
20101411718454
201116782662
20121711271,079
201318105141,773
20141914731,474
20152211131,671
2016812461,920
201723119661,447
201817134563,526
20191313262,517
20201711263,299
2021109424,111
20221217212,733
20231116212,219
20241319512,869
202515106182,911
2026181511—

What is it indicated for?

The PRECICE Intramedullary Limb Lengthening System is indicated for imb lengthening of the tibia and femur.

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. “K170346: PRECICE Intramedullary Limb Lengthening System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K170346

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