510(k) Report

510(k) · Cleared

Cleared

Towako Transmyometrial Embryo Transfer Set

K173431510(k) SpecialCleared May 18, 2018197-day reviewClass II21 CFR 884.6110

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

William A. Cook Australia Pty., Ltd. · MQF Catheter, Assisted Reproduction

Cleared on May 18, 2018 as substantially equivalent to K983595 (Cook Ob/Gyn, 1999) after a 197-day review. Its family tree reaches back 1 generation to 1999.

Decided
May 18, 2018
Review
197 days
Class
Class II
Product code
MQF
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K983595 (1999). No later device cites it as a predicate yet.

K983595 · Transmyometrial Embryo Transfer Set · Cook Ob/Gyn · 1999199520002005201020152020
K983595 · Transmyometrial Embryo Transfer Set · Cook Ob/Gyn · 19990
  1. Root · 1 generation backK983595 Transmyometrial Embryo Transfer SetCook Ob/Gyn · 1999
  2. This deviceK173431 Towako Transmyometrial Embryo Transfer SetWilliam A. Cook Australia Pty., Ltd. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K983595Transmyometrial Embryo Transfer SetCook Ob/Gyn1999—
0 (this device)K173431Towako Transmyometrial Embryo Transfer SetWilliam A. Cook Australia Pty., Ltd.2018—
FIG. 1 — Lineage of K173431, 1999–2018Source: 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 MQF? 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 MQF device

  1. #1 K253354 Minvitro Embryo Transfer Catheters (ETCA23175…score 11.4 · 3 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
*K983595Transmyometrial Embryo Transfer Set
Summary page 4
…Reproduction Catheters Product Code: MQF - Catheter, Assisted Reproduction Regulatory Class: II PREDICATE DEVICE: Transmyometrial Embryo Transfer Set (K983595) The predicate device has not been subject to a design-related recall. DEVICE DESCRIPTION: The Towako Transmyometrial Embryo T…
Cook Ob/Gyn1999—

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?

  • Its one ancestor has no recall.

How does its category compare?

All MQF devices

MQF Catheter, Assisted Reproduction: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · MQF

1in 2025

2010: 12012: 22013: 12015: 22017: 62018: 52019: 22020: 22022: 12023: 12024: 12025: 12026 (partial year): 1
2007high 6 (2017) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MQF

196in 2018

2017: 230 days median2018: 196 days median
2007high 230 (2017) · low 196 (2018)2026

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

Recalls per year · MQF

2in 2019

2007: 62019: 2
2007high 6 (2007) · low 0 (2008)2026

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

Adverse event reports per year · MQF

13in 2025

2007: 22010: 32014: 32015: 22016: 32017: 102018: 272019: 162020: 192021: 132022: 112023: 122024: 152025: 13
2007high 27 (2018) · low 0 (2008)2025

MAUDE reports naming product code MQF, 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—62
20080—00
20090—00
20101—03
20110—00
20122—00
20131—00
20140—03
20152—02
20160—03
20176230010
20185196027
20192—216
20202—019
20210—013
20221—011
20231—012
20241—015
20251—013
20261—0—

What is it indicated for?

The Towako Transmyometrial Embryo Transfer Set is indicated for transferring IVF embryo(s) into the endometrial cavity through the myometrium for patients undergoing Assisted Reproductive Procedures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173431: Towako Transmyometrial Embryo Transfer Set.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173431

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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