510(k) Report

510(k) · Cleared

Cleared

Meadox Medicals Inc. Graft Sizer

K854431510(k) TraditionalCleared May 7, 1986183-day reviewClass II21 CFR 870.3450

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

Meadox Medicals, Div. Boston Scientific Corp. · DSY Prosthesis, Vascular Graft, Of 6mm And Greater Diameter

Cleared on May 7, 1986 after a 183-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 2 later devices descend from it.

Decided
May 7, 1986
Review
183 days
Class
Class II
Product code
DSY
Recalls
None
Predicates
0

2 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 1996: 1 descendant cleared2002: 1 descendant cleared1990200020102020
  1. This deviceK854431 Meadox Medicals Inc. Graft SizerMeadox Medicals, Div. Boston Scientific Corp. · 1986
  2. Descendant · cites it directly · 0 of its ownK022242 Intervascular Intergard Knitted Vascular Graft SizerIntervascular · 2002
  3. Descendant · cites it directly · 0 of its ownK955588 Vascutek Graft Sizer SetCarbomedics, Inc. · 1996

Most influential descendants

Showing 2 of 2 · See all
  • K022242Intervascular Intergard Knitted Vascular Graft SizerIntervascular · 2002 · cites it directly0descendants
  • K955588Vascutek Graft Sizer SetCarbomedics, Inc. · 1996 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K854431Meadox Medicals Inc. Graft SizerMeadox Medicals, Div. Boston Scientific Corp.1986—
+1K022242Intervascular Intergard Knitted Vascular Graft SizerIntervascular2002—
+1K955588Vascutek Graft Sizer SetCarbomedics, Inc.1996—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199610
200210
FIG. 1 — Lineage of K854431, 1986–2002Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in DSY? 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 DSY device

  1. #1 K252445 Fusion Bioline Vascular Graftscore 12.4 · 5 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K022242Intervascular Intergard Knitted Vascular Graft SizerIntervascular20020
K955588Vascutek Graft Sizer SetCarbomedics, Inc.19960

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?

  • Of its descendants, K022242 (Intervascular, 2002) has gone furthest, with 0 descendants of its own.

How does its category compare?

All DSY devices

DSY Prosthesis, Vascular Graft, Of 6mm And Greater Diameter: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DSY

2in 2025

2007: 12008: 12009: 52010: 42011: 12012: 42013: 52014: 22015: 12016: 12017: 32018: 12019: 12020: 12021: 22022: 22023: 22024: 52025: 22026 (partial year): 1
2007high 5 (2009) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DSY

160in 2024

2009: 73 days median2010: 55 days median2012: 30 days median2013: 69 days median2017: 269 days median2024: 160 days median
2007high 269 (2017) · low 30 (2012)2026

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

Recalls per year · DSY

1in 2025

2009: 22010: 52013: 12016: 22025: 12026 (partial year): 1
2007high 5 (2010) · low 0 (2007)2026

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

Adverse event reports per year · DSY

151in 2025

2007: 1202008: 1642009: 1932010: 1872011: 1652012: 1772013: 2072014: 3522015: 4602016: 2172017: 1932018: 2002019: 2322020: 1692021: 1682022: 1552023: 1492024: 1532025: 151
2007high 460 (2015) · low 120 (2007)2025

MAUDE reports naming product code DSY, 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
20071—0120
20081—0164
20095732193
20104555187
20111—0165
20124300177
20135691207
20142—0352
20151—0460
20161—2217
201732690193
20181—0200
20191—0232
20201—0169
20212—0168
20222—0155
20232—0149
202451600153
20252—1151
20261—1—
Cite this page

510(k) Report. “K854431: Meadox Medicals Inc. Graft Sizer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K854431

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026