510(k) Report

510(k) · Cleared

Cleared

Myoscience Cryo-Touch

K100447510(k) TraditionalCleared Jun 25, 2010128-day reviewClass II21 CFR 882.4250

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

Myoscience, Inc. · GXH Device, Surgical, Cryogenic

Cleared on Jun 25, 2010 as substantially equivalent to K083493 (Myoscience, Inc., 2009) and 3 other predicates after a 128-day review. Its family tree reaches back 3 generations to 1978. 10 later devices descend from it.

Decided
Jun 25, 2010
Review
128 days
Class
Class II
Product code
GXH
Recalls
None
Predicates
4

Its longest line of descent runs back 3 generations to K781302 (1978). 8 ancestors in all. 10 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2009: 1 other ancestor1986: 1 other ancestor1983: 1 other ancestor2006: 1 other ancestor2003: 1 other ancestor2010: 1 descendant cleared2012: 1 descendant cleared2013: 1 descendant cleared2014: 1 descendant cleared2015: 1 descendant cleared2017: 1 descendant cleared2021: 1 descendant cleared2018: 1 descendant cleared2022: 1 descendant cleared2024: 1 descendant clearedK781302 · Neurostat, Lloyd · Spembly Medical, Ltd. · 1978K031482 · Cryostar System, Comprising: a) Cryostar Console, B) Cryostar 1MM Cryoprobe, C) Cryostar 2MM Cryoprobe, D) Convenience · Cryomedical Instruemts, Ltd. · 2003K050272 · Cryomedical Instruments Cryo-Pac Systems · Cryomedical Instruments, Ltd. · 200519801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 3 other ancestors2 generations back: 2 other ancestors 1 generation forward: 1 descendant2 generations forward: 2 descendants3 generations forward: 1 descendant4 generations forward: 1 descendant5 generations forward: 1 descendant6 generations forward: 2 descendants7 generations forward: 2 descendants K050272 · Cryomedical Instruments Cryo-Pac Systems · Cryomedical Instruments, Ltd. · 2005K031482 · Cryostar System, Comprising: a) Cryostar Console, B) Cryostar 1MM Cryoprobe, C) Cryostar 2MM Cryoprobe, D) Convenience · Cryomedical Instruemts, Ltd. · 2003K781302 · Neurostat, Lloyd · Spembly Medical, Ltd. · 19780+5
  1. Root · 3 generations backK781302 Neurostat, LloydSpembly Medical, Ltd. · 1978
  2. 2 generations backK031482 Cryostar System, Comprising: a) Cryostar Console, B) Cryostar 1MM…Cryomedical Instruemts, Ltd. · 2003
  3. 1 generation backK050272 Cryomedical Instruments Cryo-Pac SystemsCryomedical Instruments, Ltd. · 2005
  4. This deviceK100447 Myoscience Cryo-TouchMyoscience, Inc. · 2010
  5. Descendant · cites it directly · 9 of its ownK102021 Cryo-Touch IIMyoscience, Inc. · 2010
  6. Descendant · 2 generations on · 8 of its ownK120415 Cryo-Touch IiiMyoscience, Inc. · 2012
  7. Descendant · 2 generations on · 7 of its ownK123516 Cryo-Touch IVMyoscience, Inc. · 2013 · Recalled
  8. Descendant · 3 generations on · 6 of its ownK133453 IoveraMyoscience, Inc. · 2014
  9. Descendant · 4 generations on · 5 of its ownK142866 Myoscience iovera systemMyoscience, Inc. · 2015 · Recalled

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

2010: 12012: 12013: 12014: 12015: 12017: 12018: 12021: 12022: 12024: 1
2010high 1 (2010) · low 0 (2011)2026

Most influential descendants

Showing 5 of 10 · See all
  • K102021Cryo-Touch IIMyoscience, Inc. · 2010 · cites it directly9descendants
  • K120415Cryo-Touch IiiMyoscience, Inc. · 2012 · 2 generations on8descendants
  • K123516Cryo-Touch IVMyoscience, Inc. · 2013 · 2 generations on7descendants
  • K133453IoveraMyoscience, Inc. · 2014 · 3 generations on6descendants
  • K142866Myoscience iovera systemMyoscience, Inc. · 2015 · 4 generations on5descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K781302Neurostat, LloydSpembly Medical, Ltd.1978—
−2K031482Cryostar System, Comprising: a) Cryostar Console, B) Cryostar 1MM Cryoprobe…Cryomedical Instruemts, Ltd.2003—
−1K050272Cryomedical Instruments Cryo-Pac SystemsCryomedical Instruments, Ltd.2005—
0 (this device)K100447Myoscience Cryo-TouchMyoscience, Inc.2010—
+1K102021Cryo-Touch IIMyoscience, Inc.2010—
+2K120415Cryo-Touch IiiMyoscience, Inc.2012—
+2K123516Cryo-Touch IVMyoscience, Inc.20131
+3K133453IoveraMyoscience, Inc.2014—
+4K142866Myoscience iovera systemMyoscience, Inc.20151

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198310
198610
200310
200610
200910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
201210
201310
201410
201510
201710
201810
202110
202210
202410
FIG. 1 — Lineage of K100447, 1978–2024Source: 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 GXH? 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 GXH device

  1. #1 K250371 cryoICE cryoXT cryoablation probe (cryoXT)score 13.9 · 17 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? (4)

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
*K083493Myoscience Cryo-Touch
Summary page 1
…e Cryo-Touch is substantially equivalent to the following currently legally marked devices: _510(k) Number Product - Sponsor _K083493 Cryo-Touchn MyoScience, Inc _K050272 Cryo-PaC"~ Syste…
Myoscience, Inc.2009—
*K050272Cryomedical Instruments Cryo-Pac Systems
Summary page 1
…vices: _510(k) Number Product - Sponsor _K083493 Cryo-Touchn MyoScience, Inc _K050272 Cryo-PaC"~ System Cryomedical Instruments 1K854334 Painiblock…
Cryomedical Instruments, Ltd.2005—
*K854334Painblocker WA5000
Summary page 1
…Cryo-Touchn MyoScience, Inc _K050272 Cryo-PaC"~ System Cryomedical Instruments 1K854334 Painiblocker WA 5000 Wallach Surgical Devices 1K831963 Cryomedic…
Wallach Surgical Devices, Inc.1986—
*K831963Cryomedics Neurostat
Summary page 1
…Cryo-PaC"~ System Cryomedical Instruments 1K854334 Painiblocker WA 5000 Wallach Surgical Devices 1K831963 Cryomedics Neurostat Spembly Medical Ltd b. Date Summary Prepared June 21, 2010 c. Desc…
Spembly Medical, Ltd.1983—

Also cleared against K083493: 1 other device →

What descends from it? (10)

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

NumberDeviceApplicantDecidedDescendants
K102021Cryo-Touch IIMyoscience, Inc.20109

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 32 years and passes through 4 companies; a new generation was cleared every 5.3 years on median.
  • None of the 8 ancestors has a recall.
  • Of its descendants, K102021 (Myoscience, Inc., 2010) has gone furthest, with 9 descendants of its own.
  • 1 other device also cites its predicate K083493.

How does its category compare?

All GXH devices

GXH Device, Surgical, Cryogenic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.

FDA decisions per year · GXH

1in 2025

2010: 22012: 12013: 12014: 22015: 12017: 12018: 32020: 12021: 12022: 12023: 12024: 22025: 1
2007high 3 (2018) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GXH

52in 2018

2018: 52 days median
2007high 52 (2018)2026

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

Recalls per year · GXH

No recall names GXH since 2007.

Adverse event reports per year · GXH

5in 2025

2015: 12016: 12017: 22018: 142019: 62020: 42021: 62022: 32023: 42024: 22025: 5
2007high 14 (2018) · low 0 (2007)2025

MAUDE reports naming product code GXH, 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
20102—00
20110—00
20121—00
20131—00
20142—00
20151—01
20160—01
20171—02
2018352014
20190—06
20201—04
20211—06
20221—03
20231—04
20242—02
20251—05
20260—0—

What is it indicated for?

The MyoScience Cryo-Touch is used to produce lesions in peripheral nervous tissue by the application of cold to the selected site for the blocking of pain. The Cryo-Touch is not indicated for treatment of central nervous system tissue.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K100447: Myoscience Cryo-Touch.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K100447

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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