510(k) Report

510(k) · Cleared

Cleared

Stryker T4 Hytrel Zipper Toga

K040764510(k) SpecialCleared Apr 27, 200433-day reviewClass II21 CFR 878.4040

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

Stryker Corp. · FYA Gown, Surgical

Cleared on Apr 27, 2004 as substantially equivalent to K944393 (Stryker Corp., 1995) and 1 other predicate after a 33-day review. Its family tree reaches back 1 generation to 1995. 5 later devices descend from it.

Decided
Apr 27, 2004
Review
33 days
Class
Class II
Product code
FYA
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K944393 (1995). 2 ancestors in all. 5 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2001: 1 other ancestor2007: 3 descendants cleared2014: 2 descendants clearedK944393 · Stryker Steri-Shield Surgical Apparel · Stryker Corp. · 1995 · recalled1995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 1 descendant K944393 · Stryker Steri-Shield Surgical Apparel · Stryker Corp. · 1995 · recalled0
  1. Root · 1 generation backK944393 Stryker Steri-Shield Surgical ApparelStryker Corp. · 1995 · Recalled
  2. This deviceK040764 Stryker T4 Hytrel Zipper TogaStryker Corp. · 2004
  3. Descendant · cites it directly · 3 of its ownK063005 Stryker T6 Hoods and TogasStryker Instruments · 2007
  4. Descendant · 2 generations on · 1 of its ownK073017 Stryker Stri-Shield Flyte TogasStryker Instruments, Instruments Div. · 2007 · Recalled
  5. Descendant · 3 generations on · 0 of its ownK141095 Stryker Steri-Shield Flyte Hybrid TogasStryker Corporation · 2014
  6. Descendant · 2 generations on · 0 of its ownK140588 Flyte Hybrid Hood, Flyte Hybrid Hood with Peelaway LensStryker Corporation · 2014
  7. Descendant · cites it directly · 0 of its ownK070078 Stryker T4 Hytrel TogaStryker Instruments, Instruments Div. · 2007 · Recalled

Most influential descendants

Showing 5 of 5 · See all
  • K063005Stryker T6 Hoods and TogasStryker Instruments · 2007 · cites it directly3descendants
  • K073017Stryker Stri-Shield Flyte TogasStryker Instruments, Instruments Div. · 2007 · 2 generations on1descendant
  • K141095Stryker Steri-Shield Flyte Hybrid TogasStryker Corporation · 2014 · 3 generations on0descendants
  • K140588Flyte Hybrid Hood, Flyte Hybrid Hood with Peelaway LensStryker Corporation · 2014 · 2 generations on0descendants
  • K070078Stryker T4 Hytrel TogaStryker Instruments, Instruments Div. · 2007 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K944393Stryker Steri-Shield Surgical ApparelStryker Corp.19952
0 (this device)K040764Stryker T4 Hytrel Zipper TogaStryker Corp.2004—
+1K063005Stryker T6 Hoods and TogasStryker Instruments2007—
+2K073017Stryker Stri-Shield Flyte TogasStryker Instruments, Instruments Div.20071
+3K141095Stryker Steri-Shield Flyte Hybrid TogasStryker Corporation2014—
+2K140588Flyte Hybrid Hood, Flyte Hybrid Hood with Peelaway LensStryker Corporation2014—
+1K070078Stryker T4 Hytrel TogaStryker Instruments, Instruments Div.200727

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200730
201420
FIG. 1 — Lineage of K040764, 1995–2014Source: 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 FYA? 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 FYA device

  1. #1 K211422 Level 2 Standard Surgical Gown, Level 3…score 20.8 · 5 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? (2)

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
*K944393Stryker Steri-Shield Surgical Apparel
Summary page 1
…The Stryker T4 Hytrel Zipper Toga is equivalent to the zipper toga of the Stryker Steri-shield Personal Protection System (K944393, KOI 1755). The material used on the front and sleeves of the Stryker T4 Hytrel Zipper Toga was shown to b…
Stryker Corp.19952
*K011755Stryker T4 Hytrel (R) TogasStryker Corp.2001—

Also cleared against K944393: 2 other devices →

What descends from it? (5)

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

NumberDeviceApplicantDecidedDescendants
K063005Stryker T6 Hoods and TogasStryker Instruments20073
K070078Stryker T4 Hytrel TogaStryker Instruments, Instruments Div.20070

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?

  • 1 of the 2 ancestors has a recall of any class.
  • Of its descendants, K063005 (Stryker Instruments, 2007) has gone furthest, with 3 descendants of its own.
  • 2 other devices also cite its predicate K944393.

How does its category compare?

All FYA devices

FYA Gown, Surgical: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FYA

4in 2025

2007: 62008: 42009: 62010: 42011: 82012: 42013: 22014: 52015: 32016: 32017: 42018: 22019: 52020: 72021: 172022: 242023: 122024: 52025: 42026 (partial year): 9
2007high 24 (2022) · low 2 (2013)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FYA

210in 2025

2007: 110 days median2008: 207 days median2009: 98 days median2010: 128 days median2011: 141 days median2012: 202 days median2014: 120 days median2015: 275 days median2016: 155 days median2017: 111 days median2019: 105 days median2020: 114 days median2021: 163 days median2022: 177 days median2023: 190 days median2024: 163 days median2025: 210 days median2026 (partial year): 198 days median
2007high 275 (2015) · low 98 (2009)2026

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

Recalls per year · FYA

1in 2025

2007: 22010: 22012: 12014: 9, 9 Class I2018: 12020: 402021: 112022: 22023: 12025: 12026 (partial year): 2
2007high 40 (2020) · low 0 (2008)2026

Class I (9 since 2007) Class II/III not classified

Adverse event reports per year · FYA

14in 2025

2007: 82008: 32009: 182010: 92011: 162012: 432013: 712014: 422015: 592016: 432017: 662018: 982019: 382020: 312021: 152022: 42023: 122024: 272025: 14
2007high 98 (2018) · low 3 (2008)2025

MAUDE reports naming product code FYA, 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
2007611028
2008420703
2009698018
2010412829
20118141016
20124202143
20132—071
201451209 (9)42
20153275059
20163155043
20174111066
20182—198
20195105038
202071144031
2021171631115
20222417724
202312190112
20245163027
20254210114
202691982—

What is it indicated for?

The Stryker T4 Hytrel Zipper Toga is a component of a personal protection system that is intended to provide a barrier between the operating environment and the members of the surgical team in order to help protect against contamination and/or exposure of infectious body fluids and harmful microorganisms.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K040764: Stryker T4 Hytrel Zipper Toga.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K040764

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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