510(k) Report

510(k) · Cleared

Cleared

SB Soft Hood - Straight type, SB Soft Hood - Undercut type

K173004510(k) TraditionalCleared May 8, 2018223-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

Sumitomo Bakelite Co., Ltd. · FDS Gastroscope And Accessories, Flexible/Rigid

Cleared on May 8, 2018 as substantially equivalent to K984358 (Olympus America, Inc., 1999) after a 223-day review. Its family tree reaches back 3 generations to 1986.

Decided
May 8, 2018
Review
223 days
Class
Class II
Product code
FDS
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K853585 (1986). 4 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 3 generations backK853585 Olympus Evs-Endoscopic Video Image & Data SysOlympus Corp. · 1986 · Recalled
  2. 2 generations backK954451 Evis 140 SystemOlympus America, Inc. · 1996 · Recalled
  3. 1 generation backK984358 Olympus Distal Attachment, Models…Olympus America, Inc. · 1999 · Recalled
  4. This deviceK173004 SB Soft Hood - Straight type, SB Soft Hood - Undercut typeSumitomo Bakelite Co., Ltd. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K853585Olympus Evs-Endoscopic Video Image & Data SysOlympus Corp.19862
−2K954451Evis 140 SystemOlympus America, Inc.19963
−1K984358Olympus Distal Attachment, Models…Olympus America, Inc.19992
0 (this device)K173004SB Soft Hood - Straight type, SB Soft Hood - Undercut typeSumitomo Bakelite Co., Ltd.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
FIG. 1 — Lineage of K173004, 1986–2018Source: 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 FDS? 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 FDS device

  1. #1 K251708 EvoEndo Single-Use Endoscopy Systemscore 16.5 · 12 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
*K984358Olympus Distal Attachment, Models…
Summary page 4
…s Product Code: FDS Device Class: II 4. Predicate Devices Olympus Optical Corporation: Olympus Distal Attachment (K984358) 5. Device Description SB Soft Hood™ is a transparent distal attachment applied to the tip of an endoscope.…
Olympus America, Inc.19992

Also cleared against K984358: 6 other devices →

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?

  • The line of descent spans 32 years and passes through 3 companies; a new generation was cleared every 10.2 years on median.
  • 3 of the 4 ancestors have a recall of any class.
  • 6 other devices also cite its predicate K984358.

How does its category compare?

All FDS devices

FDS Gastroscope And Accessories, Flexible/Rigid: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · FDS

8in 2025

2007: 22010: 12011: 12012: 32013: 22014: 22015: 22016: 12017: 12018: 62019: 52020: 22021: 52022: 22023: 32024: 52025: 82026 (partial year): 7
2007high 8 (2025) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FDS

211in 2025

2012: 181 days median2018: 167 days median2019: 175 days median2021: 78 days median2023: 133 days median2024: 220 days median2025: 211 days median2026 (partial year): 164 days median
2007high 220 (2024) · low 78 (2021)2026

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

Recalls per year · FDS

2in 2024

2013: 12016: 12020: 22024: 2
2007high 2 (2020) · low 0 (2007)2026

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

Adverse event reports per year · FDS

18,905in 2025

2007: 272008: 112009: 212010: 452011: 362012: 352013: 82014: 232015: 292016: 1082017: 1782018: 3042019: 1,3762020: 6012021: 1,7552022: 6,2162023: 9,8742024: 9,2582025: 18,905
2007high 18,905 (2025) · low 8 (2013)2025

MAUDE reports naming product code FDS, 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
20072—027
20080—011
20090—021
20101—045
20111—036
20123181035
20132—18
20142—023
20152—029
20161—1108
20171—0178
201861670304
2019517501,376
20202—2601
202157801,755
20222—06,216
2023313309,874
2024522029,258
20258211018,905
202671640—

What is it indicated for?

SB Soft Hood is intended for use with SB Knife for endoscopic submucosal dissection within the gastrointestinal tract and

for use in keeping the suitable depth of endoscopic field of view.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173004: SB Soft Hood - Straight type, SB Soft Hood - Undercut type.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173004

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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