510(k) Report

510(k) · Cleared

Cleared

Cryon-X Cold Compression

K253150510(k) SpecialCleared Oct 24, 202529-day reviewClass II21 CFR 890.5650

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

Jkh Health Co., Ltd. · IRP Massager, Powered Inflatable Tube

Cleared on Oct 24, 2025 as substantially equivalent to K223541 (Jkh Health Co., Ltd., 2023) and 2 other predicates after a 29-day review. Its family tree reaches back 8 generations to 1988.

Decided
Oct 24, 2025
Review
29 days
Class
Class II
Product code
IRP
Recalls
None
Predicates
3

Its longest line of descent runs back 8 generations to K881632 (1988). 28 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 8 generations backK881632 Flowtron DVT System AC500 Pump, L501 GarmentHuntleigh Technology, Inc. · 1988
  2. 7 generations backK061857 Model Multi-Flo IC-1545-KT/-F Intermittent CirculatorBio Compression Systems, Inc. · 2006
  3. 6 generations backK072666 Bioarterial Plus, Arterial Blood Flow Enhancement SystemBio Compression Systems, Inc. · 2007
  4. 5 generations backK131327 Bioarterial Plus Arterial Blood Flow Enhancement SystemBio Compression Systems, Inc. · 2013
  5. 4 generations backK181149 Therm-X Pro, Therm-X AT, Therm-X Pro AthleteZenith Technical Innovations · 2018
  6. 3 generations backK190854 Therm-XZenith Technical Innovations · 2019
  7. 2 generations backK193550 Therm-XZenith Technical Innovations · 2020
  8. 1 generation backK223541 Cold/Hot CompressionJkh Health Co., Ltd. · 2023
  9. This deviceK253150 Cryon-X Cold CompressionJkh Health Co., Ltd. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K881632Flowtron DVT System AC500 Pump, L501 GarmentHuntleigh Technology, Inc.1988—
−7K061857Model Multi-Flo IC-1545-KT/-F Intermittent CirculatorBio Compression Systems, Inc.2006—
−6K072666Bioarterial Plus, Arterial Blood Flow Enhancement SystemBio Compression Systems, Inc.2007—
−5K131327Bioarterial Plus Arterial Blood Flow Enhancement SystemBio Compression Systems, Inc.2013—
−4K181149Therm-X Pro, Therm-X AT, Therm-X Pro AthleteZenith Technical Innovations2018—
−3K190854Therm-XZenith Technical Innovations2019—
−2K193550Therm-XZenith Technical Innovations2020—
−1K223541Cold/Hot CompressionJkh Health Co., Ltd.2023—
0 (this device)K253150Cryon-X Cold CompressionJkh Health Co., Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
199310
199540
199630
199710
199810
199910
200110
200310
200510
200610
200720
201410
201710
FIG. 1 — Lineage of K253150, 1988–2025Source: 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 IRP? 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 IRP device

  1. #1 K193354 Air Compression Therapy Devicescore 28.6 · 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? (3)

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
*K223541Cold/Hot Compression
Summary page 5
…: 21 CFR 890.5650, 21 CFR 890.5720, 21 CFR 870.5800 Device Class: II Use: Prescription 3. Predicate device Primary Predicate Device: Cold/Hot Compression 510(k) Number: K223541 Clearance Date: October 27, 2023 Submitter: JKH Health Co., Ltd. Predicate Device: Therm-X 510(k) Number: K193550 Clearance Date…
Jkh Health Co., Ltd.2023—
*K193550Therm-X
Summary page 5
…Predicate Device: Cold/Hot Compression 510(k) Number: K223541 Clearance Date: October 27, 2023 Submitter: JKH Health Co., Ltd. Predicate Device: Therm-X 510(k) Number: K193550 Clearance Date: February 28, 2020 Submitter: Zenith Technical Innovations, LLC Predicate Device: NICE1 510(k) Number: K143197 Cl…
Zenith Technical Innovations2020—
*K143197Nice1
Summary page 5
…Predicate Device: Therm-X 510(k) Number: K193550 Clearance Date: February 28, 2020 Submitter: Zenith Technical Innovations, LLC Predicate Device: NICE1 510(k) Number: K143197 Clearance Date: December 23, 2014 Submitter: Nice Recovery Systems, LLC Reference Device: NanoTherm and VascuTherm Systems 510(k…
Nice Recovery Systems, LLC2014—
†K061866Nanotherm, Vascutherm and Prothermo Therapy WrapsThermotek, Inc.2006—

Also cleared against K223541: 1 other device →

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 37 years and passes through 4 companies; a new generation was cleared every 3.7 years on median.
  • 3 of the 28 ancestors have a recall of any class.
  • 1 other device also cites its predicate K223541.

How does its category compare?

All IRP devices

IRP Massager, Powered Inflatable Tube: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · IRP

13in 2025

2007: 22008: 12009: 12010: 22011: 32012: 52013: 22014: 42015: 22016: 12017: 42018: 32019: 102020: 92021: 192022: 142023: 102024: 122025: 132026 (partial year): 12
2007high 19 (2021) · low 1 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IRP

141in 2025

2011: 164 days median2012: 116 days median2014: 113 days median2017: 170 days median2018: 80 days median2019: 83 days median2020: 150 days median2021: 140 days median2022: 97 days median2023: 143 days median2024: 115 days median2025: 141 days median2026 (partial year): 172 days median
2007high 172 (2026) · low 80 (2018)2026

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

Recalls per year · IRP

2in 2017

2011: 12017: 2
2007high 2 (2017) · low 0 (2007)2026

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

Adverse event reports per year · IRP

10in 2025

2008: 22009: 12010: 52011: 32012: 32015: 32016: 22020: 12022: 12024: 42025: 10
2007high 10 (2025) · low 0 (2007)2025

MAUDE reports naming product code IRP, 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—00
20081—02
20091—01
20102—05
2011316413
2012511603
20132—00
2014411300
20152—03
20161—02
2017417020
201838000
2019108300
2020915001
20211914000
2022149701
20231014300
20241211504
202513141010
2026121720—

What is it indicated for?

Cryon-X Pro The private-label Cryon-X Pro device combines cold, heat, contrast, and compression therapy. It is intended to treat post-surgical and acute injuries to reduce edema, swelling, and pain for which cold and compression are indicated. It is intended to treat post-traumatic and post-surgical medical and/or surgical conditions for which localized thermal therapy (hot or cold) is indicated. The device may optionally provide DVT therapy, intended to…

Read the full statement (178 words)

Cryon-X Pro

The private-label Cryon-X Pro device combines cold, heat, contrast, and compression therapy. It is intended to treat post-surgical and acute injuries to reduce edema, swelling, and pain for which cold and compression are indicated. It is intended to treat post-traumatic and post-surgical medical and/or surgical conditions for which localized thermal therapy (hot or cold) is indicated.

The device may optionally provide DVT therapy, intended to reduce the risk of the formation of deep venous thrombosis (DVT) by aiding blood flow back to the heart via lower extremity limb compression.

This device is intended to be used by or on the order of licensed healthcare professionals in rehabilitation facilities, outpatient clinics, athletic training settings, and home settings.

Cryon-X One

The private-label Cryon-X One device combines cold and compression therapy. It is intended to treat post-surgical and acute injuries to reduce edema, swelling, and pain for which cold and compression are indicated. It is intended to be used by or on the order of licensed healthcare professionals in rehabilitation facilities/hospitals, outpatient clinics, athletic training settings, and home settings.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K253150: Cryon-X Cold Compression.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K253150

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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