510(k) Report

510(k) · Cleared

Cleared

Pro Walker ML-300 Foldable Wheelchair

K041337510(k) TraditionalCleared May 28, 20049-day reviewClass I21 CFR 890.3850

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

Pro Walker, Inc. · IOR Wheelchair, Mechanical

Cleared on May 28, 2004 as substantially equivalent to K020472 (Taiwan Armada Enterprise Co., Ltd., 2002) after a 9-day review. Its family tree reaches back 1 generation to 2002. 30 later devices descend from it.

Decided
May 28, 2004
Review
9 days
Class
Class I
Product code
IOR
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K020472 (2002). 30 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2005: 5 descendants cleared2006: 5 descendants cleared2014: 2 descendants cleared2015: 1 descendant cleared2010: 2 descendants cleared2007: 1 descendant cleared2019: 2 descendants cleared2012: 3 descendants cleared2013: 1 descendant cleared2023: 1 descendant cleared2016: 3 descendants cleared2026: 1 descendant cleared2017: 1 descendant cleared2020: 1 descendant cleared2022: 1 descendant clearedK020472 · Biotech Manual Wheelchair B900 Super Light Wheelchair · Taiwan Armada Enterprise Co., Ltd. · 2002200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 5 descendants3 generations forward: 3 descendants4 generations forward: 2 descendants5 generations forward: 4 descendants6 generations forward: 4 descendants7 generations forward: 2 descendants8 generations forward: 4 descendants9 generations forward: 1 descendant10 generations forward: 1 descendant11 generations forward: 2 descendants K020472 · Biotech Manual Wheelchair B900 Super Light Wheelchair · Taiwan Armada Enterprise Co., Ltd. · 20020+5+10
  1. Root · 1 generation backK020472 Biotech Manual Wheelchair B900 Super Light WheelchairTaiwan Armada Enterprise Co., Ltd. · 2002
  2. This deviceK041337 Pro Walker ML-300 Foldable WheelchairPro Walker, Inc. · 2004
  3. Descendant · cites it directly · 22 of its ownK050290 Lerado, CoscoLerado Oversea Ltd. Twn Branch (Bvi) · 2005
  4. Descendant · 2 generations on · 20 of its ownK050708 Lerado, Avanticare Mechanical Wheelchair, MR-9000Lerado Oversea Ltd. Twn Branch (Bvi) · 2005
  5. Descendant · 3 generations on · 18 of its ownK051482 Jan Mao Wheelchair, Model JMC612-F18EPPJan Mao Industries Co., Ltd. · 2005
  6. Descendant · 4 generations on · 17 of its ownK062218 Jan Mao Wheelchair, Models JMC612-FL318EPP and JMC612-FL418EPPJan Mao Industries Co., Ltd. · 2006
  7. Descendant · 5 generations on · 12 of its ownK101999 Kaiyang Steel WheelchairGuangdong Kaiyang Medical Technology Co., Ltd. · 2010

Showing 5 of 30 descendants. See all descendants

Descendants cleared per year

2005: 52006: 52007: 12010: 22012: 32013: 12014: 22015: 12016: 32017: 12019: 22020: 12022: 12023: 12026: 1
2005high 5 (2005) · low 0 (2008)2026

Most influential descendants

Showing 5 of 30 · See all
  • K050290Lerado, CoscoLerado Oversea Ltd. Twn Branch (Bvi) · 2005 · cites it directly22descendants
  • K050708Lerado, Avanticare Mechanical Wheelchair, MR-9000Lerado Oversea Ltd. Twn Branch (Bvi) · 2005 · 2 generations on20descendants
  • K051482Jan Mao Wheelchair, Model JMC612-F18EPPJan Mao Industries Co., Ltd. · 2005 · 3 generations on18descendants
  • K062218Jan Mao Wheelchair, Models JMC612-FL318EPP and JMC612-FL418EPPJan Mao Industries Co., Ltd. · 2006 · 4 generations on17descendants
  • K101999Kaiyang Steel WheelchairGuangdong Kaiyang Medical Technology Co., Ltd. · 2010 · 5 generations on12descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K020472Biotech Manual Wheelchair B900 Super Light WheelchairTaiwan Armada Enterprise Co., Ltd.2002—
0 (this device)K041337Pro Walker ML-300 Foldable WheelchairPro Walker, Inc.2004—
+1K050290Lerado, CoscoLerado Oversea Ltd. Twn Branch (Bvi)2005—
+2K050708Lerado, Avanticare Mechanical Wheelchair, MR-9000Lerado Oversea Ltd. Twn Branch (Bvi)2005—
+3K051482Jan Mao Wheelchair, Model JMC612-F18EPPJan Mao Industries Co., Ltd.2005—
+4K062218Jan Mao Wheelchair, Models JMC612-FL318EPP and JMC612-FL418EPPJan Mao Industries Co., Ltd.2006—
+5K101999Kaiyang Steel WheelchairGuangdong Kaiyang Medical Technology Co., Ltd.2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200550
200650
200710
201020
201230
201310
201420
201510
201630
201710
201920
202010
202210
202310
202610
FIG. 1 — Lineage of K041337, 2002–2026Source: 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 IOR? 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 IOR device

  1. #1 K201461 Manual Wheelchair, Model A011score 20.0 · 3 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
*K020472Biotech Manual Wheelchair B900 Super Light Wheelchair
Summary page 1
…ndards as indicated in section B page 7-1-7-5. Legally marketed device for substantial equivalence comparison: BIOTECH B900 SUPER LIGHT Wheelchair ( K020472). JNo. PRO WALKER INC.…
Taiwan Armada Enterprise Co., Ltd.2002—

Also cleared against K020472: 1 other device →

What descends from it? (30)

See all 30

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

NumberDeviceApplicantDecidedDescendants
K050290Lerado, CoscoLerado Oversea Ltd. Twn Branch (Bvi)200522
K060251WH Convertible Lightweght Wheelchair, Model WHL100Well Home Health Products Co.20066

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?

  • Its one ancestor has no recall.
  • Of its descendants, K050290 (Lerado Oversea Ltd. Twn Branch (Bvi), 2005) has gone furthest, with 22 descendants of its own.
  • 1 other device also cites its predicate K020472.

How does its category compare?

All IOR devices

IOR Wheelchair, Mechanical: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IOR

17so far in 2026, the most since 2007

2007: 52008: 132009: 42010: 122011: 62012: 112013: 72014: 72015: 32016: 102017: 72018: 32019: 62020: 22021: 22022: 42023: 92024: 42025: 72026 (partial year): 17
2007high 17 (2026) · low 2 (2020)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IOR

91in 2025

2007: 38 days median2008: 32 days median2009: 43 days median2010: 81 days median2011: 58 days median2012: 176 days median2013: 233 days median2014: 211 days median2015: 104 days median2016: 135 days median2017: 209 days median2018: 203 days median2019: 160 days median2022: 150 days median2023: 61 days median2024: 65 days median2025: 91 days median2026 (partial year): 103 days median
2007high 233 (2013) · low 32 (2008)2026

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

Recalls per year · IOR

1in 2021

2007: 12008: 32009: 22011: 62012: 32013: 32014: 32016: 12021: 1
2007high 6 (2011) · low 0 (2010)2026

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

Adverse event reports per year · IOR

135in 2025

2007: 362008: 622009: 542010: 692011: 2322012: 1,2382013: 4,6742014: 5,0822015: 4,4722016: 1,8602017: 492018: 582019: 532020: 432021: 592022: 372023: 1652024: 1382025: 135
2007high 5,082 (2014) · low 36 (2007)2025

MAUDE reports naming product code IOR, 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
2007538136
20081332362
2009443254
20101281069
20116586232
20121117631,238
2013723334,674
2014721135,082
2015310404,472
20161013511,860
20177209049
20183203058
20196160053
20202—043
20212—159
20224150037
20239610165
20244650138
20257910135
2026171030—

What is it indicated for?

The device is intended for medical purposes to provide mobility to persoi~ restricted to a sitting position.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K041337: Pro Walker ML-300 Foldable Wheelchair.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K041337

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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