510(k) Report

510(k) · Cleared

Recalled · Class II · 2025

Atalante

K221859510(k) TraditionalCleared Dec 29, 2022185-day reviewClass II21 CFR 890.3480Recalls 1

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

Wandercraft SAS · PHL Powered Exoskeleton

Cleared on Dec 29, 2022 as substantially equivalent to K173530 (Parker-Hannifin Corporation, 2018) after a 185-day review. Its family tree reaches back 5 generations to 2014. 3 later devices descend from it. It has been recalled once.

Decided
Dec 29, 2022
Review
185 days
Class
Class II
Product code
PHL
Recalls
1
Predicates
1

Its longest line of descent runs back 5 generations to DEN130034 (2014). 6 ancestors in all. 3 later devices descend from it, 1 citing it directly.

Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 1 descendant K173530 · Indego (R) · Parker-Hannifin Corporation · 2018K171334 · Indego · Parker Hannifin Corporation · 2017K161443 · Ekso™ (version 1.1) and Ekso GT™ (version 1.2) · Ekso Bionics, Inc. · 2016K143690 · Ekso™ (version 1.1) and Ekso GT™ (version 1.2) · Ekso Bionics, Inc. · 2016DEN130034 · Rewalk · Argo Medical Technologies, Inc. · 2014−50
  1. Root · 5 generations backDEN130034 RewalkArgo Medical Technologies, Inc. · 2014
  2. 4 generations backK143690 Ekso™ (version 1.1) and Ekso GT™ (version 1.2)Ekso Bionics, Inc. · 2016
  3. 3 generations backK161443 Ekso™ (version 1.1) and Ekso GT™ (version 1.2)Ekso Bionics, Inc. · 2016
  4. 2 generations backK171334 IndegoParker Hannifin Corporation · 2017
  5. 1 generation backK173530 Indego (R)Parker-Hannifin Corporation · 2018
  6. This deviceK221859 AtalanteWandercraft SAS · 2022
  7. Descendant · cites it directly · 2 of its ownK232077 Atalante XWandercraft SAS · 2023
  8. Descendant · 2 generations on · 1 of its ownK250904 Atalante XWandercraft SAS · 2025
  9. Descendant · 3 generations on · 0 of its ownK260381 EveWandercraft SAS · 2026

Most influential descendants

Showing 3 of 3 · See all
  • K232077Atalante XWandercraft SAS · 2023 · cites it directly2descendants
  • K250904Atalante XWandercraft SAS · 2025 · 2 generations on1descendant
  • K260381EveWandercraft SAS · 2026 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5DEN130034RewalkArgo Medical Technologies, Inc.2014—
−4K143690Ekso™ (version 1.1) and Ekso GT™ (version 1.2)Ekso Bionics, Inc.2016—
−3K161443Ekso™ (version 1.1) and Ekso GT™ (version 1.2)Ekso Bionics, Inc.2016—
−2K171334IndegoParker Hannifin Corporation2017—
−1K173530Indego (R)Parker-Hannifin Corporation2018—
0 (this device)K221859AtalanteWandercraft SAS2022—
+1K232077Atalante XWandercraft SAS2023—
+2K250904Atalante XWandercraft SAS2025—
+3K260381EveWandercraft SAS2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
201610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
202510
202610
FIG. 1 — Lineage of K221859, 2014–2026Source: 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 PHL? 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 PHL device

  1. #1 K250904 Atalante Xscore 15.0 · 7 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
*K173530Indego (R)
Summary page 4
…Indego® Ekso™ (v.1.1) and Ekso GT™ (v.1.2) 510(K) number K173530 K143690 Page 1 of…
Parker-Hannifin Corporation2018—
†K143690Ekso™ (version 1.1) and Ekso GT™ (version 1.2)Ekso Bionics, Inc.2016—

Also cleared against K173530: 3 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K232077Atalante XWandercraft SAS20232

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Apr 3, 2025Class IIZ-1739-2025Use errorPotential for exoskeleton to lose lateral balance and cause patient to fall.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 8 years and passes through 5 companies; a new generation was cleared every 1.1 years on median.
  • None of the 6 ancestors has a recall.
  • Of its descendants, K232077 (Wandercraft SAS, 2023) has gone furthest, with 2 descendants of its own.
  • 3 other devices also cite its predicate K173530.

How does its category compare?

All PHL devices

PHL Powered Exoskeleton: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · PHL

2in 2025

2014: 12016: 42017: 22018: 22019: 22020: 42021: 12022: 32023: 22024: 12025: 22026 (partial year): 2
2007high 4 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PHL

177in 2022

2016: 145 days median2020: 110 days median2022: 177 days median
2007high 177 (2022) · low 110 (2020)2026

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

Recalls per year · PHL

1in 2017

2017: 1
2007high 1 (2017) · low 0 (2007)2026

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

Adverse event reports per year · PHL

6in 2025

2015: 12016: 42017: 82018: 212020: 32021: 22022: 22023: 12024: 62025: 6
2007high 21 (2018) · low 0 (2007)2025

MAUDE reports naming product code PHL, 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
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20141—00
20150—01
2016414504
20172—18
20182—021
20192—00
2020411003
20211—02
2022317702
20232—01
20241—06
20252—06
20262—0—

What is it indicated for?

The Atalante exoskeleton is intended to enable individuals with hemiplegia due to cerebrovascular accident (CVA) to perform ambulatory functions and mobility exercises, hands-free, in rehabilitation institutions under the supervision of a trained operator. The operator must complete a training program prior to use of the device.

The Atalante system is intended to be used on adolescents of 18 years and older and adults, able to tolerate a stand-up position.

The device is not intended for sports or stair climbing.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K221859: Atalante.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K221859

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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