510(k) Report

510(k) · Cleared

Cleared

K-D Balance

K173669510(k) TraditionalCleared Apr 2, 2018123-day reviewClass U

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

King-Devick Technologies, Inc. · LXV Apparatus, Vestibular Analysis

Cleared on Apr 2, 2018 as substantially equivalent to K121590 (Capacity Sports, LLC, 2012) after a 123-day review. Its family tree reaches back 3 generations to 1991.

Decided
Apr 2, 2018
Review
123 days
Class
Class U
Product code
LXV
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K911795 (1991). No later device cites it as a predicate yet.

  1. Root · 3 generations backK911795 Kinesthetic Ability Trainer (K.a.T., Model 1000)Breg, Inc. · 1991
  2. 2 generations backK070676 Korebalance (Kinesthetic Ability Trainer)Sportkat, LLC · 2007
  3. 1 generation backK121590 Vestibular Analysis ApparatusCapacity Sports, LLC · 2012
  4. This deviceK173669 K-D BalanceKing-Devick Technologies, Inc. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K911795Kinesthetic Ability Trainer (K.a.T., Model 1000)Breg, Inc.1991—
−2K070676Korebalance (Kinesthetic Ability Trainer)Sportkat, LLC2007—
−1K121590Vestibular Analysis ApparatusCapacity Sports, LLC2012—
0 (this device)K173669K-D BalanceKing-Devick Technologies, Inc.2018—
FIG. 1 — Lineage of K173669, 1991–2018Source: 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 LXV? 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 LXV device

  1. #1 K220231 GyroStimscore 3.8 · 3 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? (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
*K121590Vestibular Analysis Apparatus
Summary page 4
…Fax: 630-501-0285 Preparation Date October 17, 2017 (revised March 30, 2018) Predicate Device Sway Balance TM by Capacity Sports, LLC (K121590) Device Description K-D Balance is a mobile balance test to be used on the 6th generation iPhone or iPod touch with iOS versions…
Capacity Sports, LLC2012—

Also cleared against K121590: 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 27 years and passes through 4 companies; a new generation was cleared every 5.5 years on median.
  • None of the 3 ancestors has a recall.
  • 2 other devices also cite its predicate K121590.

How does its category compare?

All LXV devices

LXV Apparatus, Vestibular Analysis: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · LXV

1in 2022

2007: 22008: 22009: 12010: 12012: 12018: 12019: 22020: 22022: 1
2007high 2 (2007) · low 0 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LXV

Too few LXV 510(k)s in any year since 2007 to give a median.

Recalls per year · LXV

1in 2009

2008: 12009: 1
2007high 1 (2008) · low 0 (2007)2026

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

Adverse event reports per year · LXV

1in 2010

2007: 12010: 1
2007high 1 (2007) · low 0 (2008)2025

MAUDE reports naming product code LXV, 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
20072—01
20082—10
20091—10
20101—01
20110—00
20121—00
20130—00
20140—00
20150—00
20160—00
20170—00
20181—00
20192—00
20202—00
20210—00
20221—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

K-D Balance is an objective balance assessment tool and is intended to be used for individuals for whom a balance measurement is a desired outcome. K-D Balance is intended for use to assess balance performance. Individual suitability for assessment must be judged on a case by case basis, by a qualified individual including those certified or licensed in their state to prescribe and use balance devices including but not limited to athletic trainers and…

Read the full statement (141 words)

K-D Balance is an objective balance assessment tool and is intended to be used for individuals for whom a balance measurement is a desired outcome. K-D Balance is intended for use to assess balance performance. Individual suitability for assessment must be judged on a case by case basis, by a qualified individual including those certified or licensed in their state to prescribe and use balance devices including but not limited to athletic trainers and coaches, physical therapists, nurses, physicians, and other health care providers. Patients with conditions that could affect balance include, but are not limited to, vestibular dysfunction, nausea, headaches, orthopedic injury, inner ear infection or dysfunction, neurological conditions, head injury, medication side effects, dehydration and fatigue. K-D Balance can be used wherever an iOS mobile operating device is available. K-D Balance may only be used by health care professionals.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173669: K-D Balance.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173669

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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