510(k) Report

510(k) · Cleared

Recalled · Class II · 2025

Prelude IDeal Hydrophilic Sheath Introducer

K173750510(k) SpecialCleared Feb 15, 201869-day reviewClass II21 CFR 870.1340Recalls 2

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

Merit Medical Systems, Inc. · DYB Introducer, Catheter

Cleared on Feb 15, 2018 as substantially equivalent to K140543 (Merit Medical Systems, Inc., 2014) and 1 other predicate after a 69-day review. Its family tree reaches back 7 generations to 1995. 1 of the 21 devices in its family, counting itself, has a Class I recall. 4 later devices descend from it. It has been recalled 2 times.

Decided
Feb 15, 2018
Review
69 days
Class
Class II
Product code
DYB
Recalls
2
Predicates
2

Its longest line of descent runs back 7 generations to K954234 (1995). 16 ancestors in all, the oldest K810675 (1981). 4 later devices descend from it, 2 citing it directly. 1 of the 21 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2007: 1 other ancestor2005: 1 other ancestor1997: 1 other ancestor1996: 1 other ancestor1995: 2 other ancestors1993: 1 other ancestor1991: 1 other ancestor1981: 1 other ancestor, 1 with a Class I recall12025: 1 descendant cleared2022: 1 descendant cleared2023: 1 descendant cleared2026: 1 descendant clearedK954234 · Radifocus Introducer II Kit · Terumo Medical Corp. · 1995K033681 · Glidesheath · Terumo Corp. · 2003K062858 · Modification to Glidesheath · Terumo Medical Corp. · 2006K082644 · Glidesheath · Terumo Medical Corp. · 2008K102008 · Glidesheath · Terumo Medical Corp. · 2010 · recalledK140543 · Preludeease Hydrophilic Sheath Introducer · Merit Medical Systems, Inc. · 2014 · recalledK150257 · PreludeEASE Hydrophilic Sheath Introducer · Merit Medical Systems, Inc. · 201519801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 1 other ancestor4 generations back: 2 other ancestors5 generations back: 5 other ancestors, 1 with a Class I recall1 1 generation forward: 2 descendants2 generations forward: 1 descendant3 generations forward: 1 descendant K150257 · PreludeEASE Hydrophilic Sheath Introducer · Merit Medical Systems, Inc. · 2015K140543 · Preludeease Hydrophilic Sheath Introducer · Merit Medical Systems, Inc. · 2014 · recalledK102008 · Glidesheath · Terumo Medical Corp. · 2010 · recalledK082644 · Glidesheath · Terumo Medical Corp. · 2008K062858 · Modification to Glidesheath · Terumo Medical Corp. · 2006K033681 · Glidesheath · Terumo Corp. · 2003K954234 · Radifocus Introducer II Kit · Terumo Medical Corp. · 1995−50
  1. Root · 7 generations backK954234 Radifocus Introducer II KitTerumo Medical Corp. · 1995
  2. 6 generations backK033681 GlidesheathTerumo Corp. · 2003
  3. 5 generations backK062858 Modification to GlidesheathTerumo Medical Corp. · 2006
  4. 4 generations backK082644 GlidesheathTerumo Medical Corp. · 2008
  5. 3 generations backK102008 GlidesheathTerumo Medical Corp. · 2010 · Recalled
  6. 2 generations backK140543 Preludeease Hydrophilic Sheath IntroducerMerit Medical Systems, Inc. · 2014 · Recalled
  7. 1 generation backK150257 PreludeEASE Hydrophilic Sheath IntroducerMerit Medical Systems, Inc. · 2015
  8. This deviceK173750 Prelude IDeal Hydrophilic Sheath IntroducerMerit Medical Systems, Inc. · 2018
  9. Descendant · cites it directly · 2 of its ownK212152 Prelude IDeal 9F Hydrophilic Sheath IntroducerMerit Medical Systems · 2022
  10. Descendant · 2 generations on · 1 of its ownK232260 Thinline Sheath IntroducerInneuroco, Inc. · 2023
  11. Descendant · 3 generations on · 0 of its ownK261529 Micropuncture Kit / Micropuncture Access Kit / Micropuncture…Hartman Medical Group, LLC · 2026
  12. Descendant · cites it directly · 0 of its ownK250909 Prelude Wave Hydrophilic Sheath IntroducerMerit Medical Systems, Inc. · 2025

Class I recalls in this family

Most influential descendants

Showing 4 of 4 · See all
  • K212152Prelude IDeal 9F Hydrophilic Sheath IntroducerMerit Medical Systems · 2022 · cites it directly2descendants
  • K232260Thinline Sheath IntroducerInneuroco, Inc. · 2023 · 2 generations on1descendant
  • K261529Micropuncture Kit / Micropuncture Access Kit / Micropuncture Introducer Set/…Hartman Medical Group, LLC · 2026 · 3 generations on0descendants
  • K250909Prelude Wave Hydrophilic Sheath IntroducerMerit Medical Systems, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K954234Radifocus Introducer II KitTerumo Medical Corp.1995—
−6K033681GlidesheathTerumo Corp.2003—
−5K062858Modification to GlidesheathTerumo Medical Corp.2006—
−4K082644GlidesheathTerumo Medical Corp.2008—
−3K102008GlidesheathTerumo Medical Corp.20101
−2K140543Preludeease Hydrophilic Sheath IntroducerMerit Medical Systems, Inc.20141
−1K150257PreludeEASE Hydrophilic Sheath IntroducerMerit Medical Systems, Inc.2015—
0 (this device)K173750Prelude IDeal Hydrophilic Sheath IntroducerMerit Medical Systems, Inc.2018—
+1K212152Prelude IDeal 9F Hydrophilic Sheath IntroducerMerit Medical Systems2022—
+2K232260Thinline Sheath IntroducerInneuroco, Inc.2023—
+3K261529Micropuncture Kit / Micropuncture Access Kit / Micropuncture Introducer Set/…Hartman Medical Group, LLC2026—
+1K250909Prelude Wave Hydrophilic Sheath IntroducerMerit Medical Systems, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198111
199110
199310
199520
199610
199710
200510
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
202310
202510
202610
FIG. 1 — Lineage of K173750, 1995–2026Source: 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.

1 device in this family has a Class I recall. 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 DYB device

  1. #1 K251051 AuST Steerable Sheathscore 18.0 · 10 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? (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
*K140543Preludeease Hydrophilic Sheath Introducer
Summary page 4
…ame: PreludeEASE™ Hydrophilic Sheath Introducer Classification Name: Sheath Introducer Predicate Premarket Notification: K140543 (Primary Predicate Device) Device K150257 (Secondary Predicate Device)…
Merit Medical Systems, Inc.20141
*K150257PreludeEASE Hydrophilic Sheath Introducer
Summary page 4
…Classification Name: Sheath Introducer Predicate Premarket Notification: K140543 (Primary Predicate Device) Device K150257 (Secondary Predicate Device) Manufacturer: Merit Medical Systems, Inc. Thi…
Merit Medical Systems, Inc.2015—

Also cleared against K140543: 1 other device →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K212152Prelude IDeal 9F Hydrophilic Sheath IntroducerMerit Medical Systems20222
K250909Prelude Wave Hydrophilic Sheath IntroducerMerit Medical Systems, Inc.20250

Has anything in its family been recalled? (1 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jan 27, 2025Class IIZ-1434-2025Packaging process controlHydrophilic Sheath Introducer labeled for 4F dilators may instead incorrectly contain 5F dilators. Incorrect dilator use may result in procedure delay.
Sep 12, 2019Class IIZ-1956-2020Process controllabeling error: Due to a manufacturing issue, product package was incorrectly labeled with the incorrect sheath size and the incorrect sheath assembly was included in the product packaging. The use of the incorrect kit components may…

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K810675Arrow Radial Artery Catheterization SetArrow Intl., Inc. · 1981 · 5 generations back · ◆ in the 1981 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 23 years and passes through 3 companies; a new generation was cleared every 2.7 years on median.
  • 8 of the 16 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K212152 (Merit Medical Systems, 2022) has gone furthest, with 2 descendants of its own.
  • 1 other device also cites its predicate K140543.

How does its category compare?

All DYB devices

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

FDA decisions per year · DYB

16in 2025

2007: 122008: 172009: 142010: 182011: 172012: 222013: 262014: 302015: 172016: 192017: 242018: 192019: 182020: 92021: 122022: 132023: 152024: 182025: 162026 (partial year): 17
2007high 30 (2014) · low 9 (2020)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DYB

63in 2025

2007: 95 days median2008: 37 days median2009: 52 days median2010: 123 days median2011: 100 days median2012: 128 days median2013: 118 days median2014: 122 days median2015: 129 days median2016: 95 days median2017: 70 days median2018: 156 days median2019: 47 days median2020: 49 days median2021: 78 days median2022: 143 days median2023: 55 days median2024: 56 days median2025: 63 days median2026 (partial year): 59 days median
2007high 156 (2018) · low 37 (2008)2026

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

Recalls per year · DYB

3in 2025

2007: 152008: 92009: 252010: 182011: 42012: 32013: 5, 1 Class I2014: 22015: 2, 1 Class I2016: 45, 3 Class I2017: 22, 1 Class I2018: 12019: 22020: 21, 21 Class I2021: 62022: 22023: 102024: 22025: 32026 (partial year): 23, 21 Class I
2007high 45 (2016) · low 1 (2018)2026

Class I (48 since 2007) Class II/III not classified

Adverse event reports per year · DYB

4,539in 2025

2007: 3162008: 4232009: 3992010: 4452011: 6282012: 8982013: 7432014: 7802015: 9132016: 1,2342017: 1,6722018: 1,9032019: 2,4502020: 2,4652021: 2,8352022: 4,0842023: 3,7752024: 3,9312025: 4,539
2007high 4,539 (2025) · low 316 (2007)2025

MAUDE reports naming product code DYB, 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
2007129515316
200817379423
2009145225399
20101812318445
2011171004628
2012221283898
2013261185 (1)743
2014301222780
2015171292 (1)913
2016199545 (3)1,234
2017247022 (1)1,672
20181915611,903
2019184722,450
202094921 (21)2,465
2021127862,835
20221314324,084
20231555103,775
2024185623,931
2025166334,539
2026175923 (21)—

What is it indicated for?

The Merit Prelude IDeal Hydrophilic Sheath Introducer is intended to provide access and facilitate the percutaneous introduction of various devices into veins and/or arteries, including but not limited to the radial artery, while maintaining hemostasis for a variety of diagnostic and therapeutic procedures.

The access needle with inner metal needle and outer plastic cannula is used to gain access to the vein or artery for placement of guide wires.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173750: Prelude IDeal Hydrophilic Sheath Introducer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173750

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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