510(k) Report

510(k) · Cleared

Cleared

Landlex, Model S300X

K050792510(k) TraditionalCleared Apr 21, 200524-day reviewClass II21 CFR 890.3800

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

Cycling and Health Tech. Industry R&D Center · INI Vehicle, Motorized 3-Wheeled

Cleared on Apr 21, 2005 as substantially equivalent to K033241 (Tung Keng Enterprise Co., Ltd., 2003) after a 24-day review. Its family tree reaches back 2 generations to 2002. 4 later devices descend from it.

Decided
Apr 21, 2005
Review
24 days
Class
Class II
Product code
INI
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K023010 (2002). 4 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared2006: 2 descendants cleared2010: 1 descendant clearedK023010 · Sniff Position Pillows/Popitz Pillows · Aeolus International Corporation · 2002K033241 · BE-Mobile 3-Wheeled Electric Scooter, Model DK S320 · Tung Keng Enterprise Co., Ltd. · 2003200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 1 descendant3 generations forward: 1 descendant K033241 · BE-Mobile 3-Wheeled Electric Scooter, Model DK S320 · Tung Keng Enterprise Co., Ltd. · 2003K023010 · Sniff Position Pillows/Popitz Pillows · Aeolus International Corporation · 20020
  1. Root · 2 generations backK023010 Sniff Position Pillows/Popitz PillowsAeolus International Corporation · 2002
  2. 1 generation backK033241 BE-Mobile 3-Wheeled Electric Scooter, Model DK S320Tung Keng Enterprise Co., Ltd. · 2003
  3. This deviceK050792 Landlex, Model S300XCycling and Health Tech. Industry R&D Center · 2005
  4. Descendant · cites it directly · 3 of its ownK052378 Proasia, Model L3402Proasia Limited · 2005
  5. Descendant · cites it directly · 2 of its ownK060042 Landlex, Model P100XBesteam Technology, Inc. · 2006
  6. Descendant · 2 generations on · 1 of its ownK062676 Ruike, Model 3331Shanghai Ruike Sports Goods Co., Ltd. · 2006
  7. Descendant · 3 generations on · 0 of its ownK102358 ZIP'R3/ ZIP'R3 Xtra ScooterGlobal Fabtech Wheelchair (Shanghai) Co., Ltd. · 2010

Most influential descendants

Showing 4 of 4 · See all
  • K052378Proasia, Model L3402Proasia Limited · 2005 · cites it directly3descendants
  • K060042Landlex, Model P100XBesteam Technology, Inc. · 2006 · cites it directly2descendants
  • K062676Ruike, Model 3331Shanghai Ruike Sports Goods Co., Ltd. · 2006 · 2 generations on1descendant
  • K102358ZIP'R3/ ZIP'R3 Xtra ScooterGlobal Fabtech Wheelchair (Shanghai) Co., Ltd. · 2010 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K023010Sniff Position Pillows/Popitz PillowsAeolus International Corporation2002—
−1K033241BE-Mobile 3-Wheeled Electric Scooter, Model DK S320Tung Keng Enterprise Co., Ltd.2003—
0 (this device)K050792Landlex, Model S300XCycling and Health Tech. Industry R&D Center2005—
+1K052378Proasia, Model L3402Proasia Limited2005—
+1K060042Landlex, Model P100XBesteam Technology, Inc.2006—
+2K062676Ruike, Model 3331Shanghai Ruike Sports Goods Co., Ltd.2006—
+3K102358ZIP'R3/ ZIP'R3 Xtra ScooterGlobal Fabtech Wheelchair (Shanghai) Co., Ltd.2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200620
201010
FIG. 1 — Lineage of K050792, 2002–2010Source: 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 INI? 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 INI device

  1. #1 K231428 Mobility Scooter (Models: W3431D)score 23.1 · 9 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
*K033241BE-Mobile 3-Wheeled Electric Scooter, Model DK S320
Summary page 1
…891NI Classification: Class II Predicate devices Manufacture name: TUNG DENG ENTERPRISE CO., LTD. Name: Be-Mobile 3-Wheeled Electric Scooter, DK S320 k number: K033241 Date cleared: 11/10/2003 Intend use of device LANDLEX S300X scooter is intended for an indoor/outdoor scooter that provides…
Tung Keng Enterprise Co., Ltd.2003—

Also cleared against K033241: 2 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K052378Proasia, Model L3402Proasia Limited20053
K060042Landlex, Model P100XBesteam Technology, Inc.20062

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 3 years and passes through 3 companies; a new generation was cleared every 1.4 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K052378 (Proasia Limited, 2005) has gone furthest, with 3 descendants of its own.
  • 2 other devices also cite its predicate K033241.

How does its category compare?

All INI devices

INI Vehicle, Motorized 3-Wheeled: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · INI

21so far in 2026, the most since 2007

2007: 182008: 72009: 122010: 52011: 52012: 12013: 22014: 12015: 92016: 12017: 52018: 32019: 42020: 12021: 52022: 62023: 92024: 82025: 152026 (partial year): 21
2007high 21 (2026) · low 1 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · INI

111in 2025

2007: 29 days median2008: 28 days median2009: 41 days median2010: 46 days median2011: 130 days median2015: 202 days median2017: 191 days median2018: 266 days median2019: 298 days median2021: 575 days median2022: 159 days median2023: 123 days median2024: 137 days median2025: 111 days median2026 (partial year): 108 days median
2007high 575 (2021) · low 28 (2008)2026

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

Recalls per year · INI

1in 2013

2007: 22010: 32011: 32013: 1
2007high 3 (2010) · low 0 (2008)2026

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

Adverse event reports per year · INI

26in 2025

2007: 642008: 292009: 252010: 562011: 702012: 1722013: 4542014: 5672015: 1512016: 762017: 452018: 512019: 252020: 262021: 412022: 412023: 322024: 312025: 26
2007high 567 (2014) · low 25 (2009)2025

MAUDE reports naming product code INI, 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
20071829264
2008728029
20091241025
2010546356
20115130370
20121—0172
20132—1454
20141—0567
201592020151
20161—076
20175191045
20183266051
20194298025
20201—026
20215575041
20226159041
20239123032
20248137031
202515111026
2026211080—

What is it indicated for?

The LANDLEX S300X scooter is motor driven, indoor and outdoor transportation vehicles with the intended use to provide mobility to disabled or elderly persons limited to a seated position.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K050792: Landlex, Model S300X.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K050792

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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