510(k) Report

510(k) · Cleared

Cleared

Flexfinder Guidewire (Regular Shaft/Stiff Shaft) Marked Ink Bands Encap+/Guidewire (Regular Shaft/Stiff Shaft) NO Marking

K964955510(k) TraditionalCleared Feb 14, 199765-day reviewClass II21 CFR 876.1500

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

Flexmedics · OCY Endoscopic Guidewire, Gastroenterology-Urology

Cleared on Feb 14, 1997 as substantially equivalent to K931650 (Boston Scientific Corp, 1993) and 1 other predicate after a 65-day review. Its family tree reaches back 1 generation to 1993. 4 later devices descend from it.

Decided
Feb 14, 1997
Review
65 days
Class
Class II
Product code
OCY
Recalls
None
Predicates
3

Its longest line of descent runs back 1 generation to K931650 (1993). 2 ancestors in all. 4 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1994: 1 other ancestor2003: 1 descendant cleared2002: 1 descendant cleared2005: 1 descendant cleared2025: 1 descendant clearedK931650 · Microvasive Insurg Geenen CBD Guide Wire · Boston Scientific Corp · 19931990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 1 descendant3 generations forward: 1 descendant K931650 · Microvasive Insurg Geenen CBD Guide Wire · Boston Scientific Corp · 19930
  1. Root · 1 generation backK931650 Microvasive Insurg Geenen CBD Guide WireBoston Scientific Corp · 1993
  2. This deviceK964955 Flexfinder Guidewire (Regular Shaft/Stiff Shaft) Marked Ink Bands…Flexmedics · 1997
  3. Descendant · cites it directly · 2 of its ownK023603 Endo-Glide GuidewireEndo-Therapeutics, Inc. · 2003
  4. Descendant · 2 generations on · 1 of its ownK051068 Zutron Colonoscope Stiffening DeviceZutron Medical · 2005
  5. Descendant · 3 generations on · 0 of its ownK251204 FUJIFILM Stiffening Wire Device (SW-2000)FUJIFILM Healthcare Americas Corporation · 2025
  6. Descendant · cites it directly · 0 of its ownK012556 Reprocessed GuidewiresSterilmed, Inc. · 2002 · Recalled

Most influential descendants

Showing 4 of 4 · See all
  • K023603Endo-Glide GuidewireEndo-Therapeutics, Inc. · 2003 · cites it directly2descendants
  • K051068Zutron Colonoscope Stiffening DeviceZutron Medical · 2005 · 2 generations on1descendant
  • K251204FUJIFILM Stiffening Wire Device (SW-2000)FUJIFILM Healthcare Americas Corporation · 2025 · 3 generations on0descendants
  • K012556Reprocessed GuidewiresSterilmed, Inc. · 2002 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K931650Microvasive Insurg Geenen CBD Guide WireBoston Scientific Corp1993—
0 (this device)K964955Flexfinder Guidewire (Regular Shaft/Stiff Shaft) Marked Ink Bands…Flexmedics1997—
+1K023603Endo-Glide GuidewireEndo-Therapeutics, Inc.2003—
+2K051068Zutron Colonoscope Stiffening DeviceZutron Medical2005—
+3K251204FUJIFILM Stiffening Wire Device (SW-2000)FUJIFILM Healthcare Americas Corporation2025—
+1K012556Reprocessed GuidewiresSterilmed, Inc.20021

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200310
200510
202510
FIG. 1 — Lineage of K964955, 1993–2025Source: 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 OCY? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against? (3)

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; numbers the summary cites that cannot be its predicate are marked – and kept off the family tree.

TypeNumberDeviceApplicantDecidedRecalls
Kept off the family treeK910597FDA’s K910597 is Sunglasses Model #SP Promo #1 and SP Promo #2
Our OCR of the scanned summary read K910597, FDA’s number for Sunglasses Model #SP Promo #1 and SP Promo #2 (Radix Group Intl.). Its FDA name has none of the distinctive words the summary uses for the device it names, “Protector Plus Guidewire”. Kept off the family tree.
Summary page 1
…nd (Electrosurgical) 21 CFR Part 876.4300. Common or Usual Name: Guidewire Proprietary Name: FlexFinder® guidewire Wilson-Cook Medical, Inc. Protector Plus Guidewire K910597 Boston Scientific Corporation Zebra Guidewire K931650 FlexMedics Corporation, Inc. FlexFinder Guidewire K942074 The FlexFinder®…
Radix Group Intl.1991—
*K931650Microvasive Insurg Geenen CBD Guide Wire
Summary page 1
…Usual Name: Guidewire Proprietary Name: FlexFinder® guidewire Wilson-Cook Medical, Inc. Protector Plus Guidewire K910597 Boston Scientific Corporation Zebra Guidewire K931650 FlexMedics Corporation, Inc. FlexFinder Guidewire K942074 The FlexFinder® Guidewire is available in a nominal diameter of 0.035”…
Boston Scientific Corp1993—
*K942074Flexfinder Guidewire
Summary page 1
…ewire Wilson-Cook Medical, Inc. Protector Plus Guidewire K910597 Boston Scientific Corporation Zebra Guidewire K931650 FlexMedics Corporation, Inc. FlexFinder Guidewire K942074 The FlexFinder® Guidewire is available in a nominal diameter of 0.035” with marked and unmarked models encompassing lengths betw…
Flexmedics1994—

Also cleared against K931650: 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
K023603Endo-Glide GuidewireEndo-Therapeutics, Inc.20032
K012556Reprocessed GuidewiresSterilmed, Inc.20020

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?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K023603 (Endo-Therapeutics, Inc., 2003) has gone furthest, with 2 descendants of its own.
  • 1 other device also cites its predicate K931650.

How does its category compare?

All OCY devices

OCY Endoscopic Guidewire, Gastroenterology-Urology: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · OCY

1in 2016

2007: 12008: 32009: 12012: 22013: 42014: 52015: 32016: 1
2007high 5 (2014) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OCY

51in 2015

2008: 55 days median2013: 60 days median2014: 41 days median2015: 51 days median
2007high 60 (2013) · low 41 (2014)2026

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

Recalls per year · OCY

8in 2019

2019: 8
2007high 8 (2019) · low 0 (2007)2026

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

Adverse event reports per year · OCY

133in 2025

2007: 32008: 72009: 72010: 92011: 32012: 12013: 322014: 512015: 2832016: 1582017: 852018: 1012019: 1032020: 1282021: 942022: 1342023: 1152024: 1312025: 133
2007high 283 (2015) · low 1 (2012)2025

MAUDE reports naming product code OCY, 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—03
200835507
20091—07
20100—09
20110—03
20122—01
2013460032
2014541051
20153510283
20161—0158
20170—085
20180—0101
20190—8103
20200—0128
20210—094
20220—0134
20230—0115
20240—0131
20250—0133
20260—0—

What is it indicated for?

The FlexFinder® Guidewire is designed to be used to guide and exchange endoscopic accessories and electrosurgical devices for biliary procedures. The FlexFinder® Guidewire is indicated for selective cannulation of the biliary ducts, including but not limited to the common bile, cystic, pancreatic, and right and left hepatic ducts.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K964955: Flexfinder Guidewire (Regular Shaft/Stiff Shaft) Marked Ink Bands Encap+/Guidewire (Regular Shaft/Stiff Shaft) NO Marking.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964955

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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