510(k) Report

510(k) · Cleared

Recalled · Class II · 2019

Flex Robotic System and Flex Colorectal Drive

K162330510(k) TraditionalCleared May 4, 2017258-day reviewClass II21 CFR 876.1500Recalls 2

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

Medrobotics Corporation · FDF Colonoscope And Accessories, Flexible/Rigid

Cleared on May 4, 2017 as substantially equivalent to K070622 (Neoguide Systems, Inc., 2007) after a 258-day review. Its family tree reaches back 7 generations to 1992. 1 later device descends from it. It has been recalled 2 times.

Decided
May 4, 2017
Review
258 days
Class
Class II
Product code
FDF
Recalls
2
Predicates
1

Its longest line of descent runs back 7 generations to K921244 (1992). 30 ancestors in all, the oldest K822846 (1982). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2004: 1 other ancestor2000: 3 other ancestors1996: 5 other ancestors2003: 1 other ancestor2002: 1 other ancestor1999: 1 other ancestor1995: 1 other ancestor1994: 4 other ancestors1997: 1 other ancestor1993: 2 other ancestors1991: 1 other ancestor1982: 1 other ancestor1992: 1 other ancestor2017: 1 descendant clearedReference device: K150776 · Medrobotics Flex System · Medrobotics Corporation · 2015Reference device: K945209 · Proctoscopea & Accessories, Sigmoidoscopes & Accessories, Proctology Instruments · KARL STORZ Endoscopy-America, Inc. · 1995 · recalledK921244 · Disposable Protective Sheath · Vision-Sciences, Inc. · 1992×2: 2 generations cleared close together, K961591 (1996), K963795 (1996) K021344 · B-F200 Bronchoscope with BSS-F21 Endosheath System · Vision-Sciences, Inc. · 2002K032688 · Colonosight Model 510B · Sightline Technologies, Ltd. · 2004K052930 · Navigator Endoscopy System · Neoguide Systems, Inc. · 2006K070622 · Neoguide Endoscopy System · Neoguide Systems, Inc. · 200719801990200020102020
  1. Root · 7 generations backK921244 Disposable Protective SheathVision-Sciences, Inc. · 1992
  2. 6 generations backK961591 Disposable Endosheath for E-F100 Flexible NasopharyngoscopeVision-Sciences, Inc. · 1996
  3. 5 generations backK963795 Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21…Vision-Sciences, Inc. · 1996
  4. 4 generations backK021344 B-F200 Bronchoscope with BSS-F21 Endosheath SystemVision-Sciences, Inc. · 2002
  5. 3 generations backK032688 Colonosight Model 510BSightline Technologies, Ltd. · 2004
  6. 2 generations backK052930 Navigator Endoscopy SystemNeoguide Systems, Inc. · 2006
  7. 1 generation backK070622 Neoguide Endoscopy SystemNeoguide Systems, Inc. · 2007
  8. This deviceK162330 Flex Robotic System and Flex Colorectal DriveMedrobotics Corporation · 2017
  9. Descendant · cites it directly · 0 of its ownK172036 Medrobotics Flex Robotic SystemMedrobotics Corporation · 2017

Most influential descendants

Showing 1 of 1 · See all
  • K172036Medrobotics Flex Robotic SystemMedrobotics Corporation · 2017 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K921244Disposable Protective SheathVision-Sciences, Inc.1992—
−6K961591Disposable Endosheath for E-F100 Flexible NasopharyngoscopeVision-Sciences, Inc.1996—
−5K963795Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21 Disposable…Vision-Sciences, Inc.1996—
−4K021344B-F200 Bronchoscope with BSS-F21 Endosheath SystemVision-Sciences, Inc.2002—
−3K032688Colonosight Model 510BSightline Technologies, Ltd.2004—
−2K052930Navigator Endoscopy SystemNeoguide Systems, Inc.2006—
−1K070622Neoguide Endoscopy SystemNeoguide Systems, Inc.2007—
0 (this device)K162330Flex Robotic System and Flex Colorectal DriveMedrobotics Corporation2017—
+1K172036Medrobotics Flex Robotic SystemMedrobotics Corporation2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198210
199110
199210
199320
199440
199510
199650
199710
199910
200030
200210
200310
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201710
FIG. 1 — Lineage of K162330, 1992–2017Source: 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 FDF? 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 FDF device

  1. #1 K230332 Ambu® aScope™ Colon; Ambu® aBox™ 2score 20.1 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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
*K070622Neoguide Endoscopy System
Summary page 4
…and accessories Product Code FDF Classification Class II Predicate Device The NeoGuide Navigator Endoscopy System, K070622 Reference Device The Flex® Robotic System and Flex® Colorectal Drive were also co…
Neoguide Systems, Inc.2007—
†K150776Medrobotics Flex SystemMedrobotics Corporation2015—
†K945209Proctoscopea & Accessories, Sigmoidoscopes & Accessories, Proctology InstrumentsKARL STORZ Endoscopy-America, Inc.19951

Also cleared against K070622: 3 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K172036Medrobotics Flex Robotic SystemMedrobotics Corporation20170

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jan 25, 2019Class IIZ-1192-2019Process controlThe weld may break, resulting in the rod separating from the cone of the long and short cone Obturators.
Jan 25, 2019Class IIZ-1191-2019Process controlThe weld may break, resulting in the rod separating from the cone of the long and short cone Obturators.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 25 years and passes through 4 companies; a new generation was cleared every 1.9 years on median.
  • 4 of the 30 ancestors have a recall of any class.
  • Of its descendants, K172036 (Medrobotics Corporation, 2017) has gone furthest, with 0 descendants of its own.
  • 3 other devices also cite its predicate K070622.

How does its category compare?

All FDF devices

FDF Colonoscope And Accessories, Flexible/Rigid: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · FDF

4in 2025

2007: 42008: 22009: 62010: 42011: 22012: 72013: 22014: 62015: 22016: 72017: 42018: 72019: 42020: 42021: 32022: 52023: 62024: 22025: 42026 (partial year): 5
2007high 7 (2012) · low 2 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FDF

194in 2025

2007: 70 days median2009: 91 days median2010: 101 days median2012: 241 days median2014: 164 days median2016: 98 days median2017: 36 days median2018: 101 days median2019: 56 days median2020: 250 days median2021: 30 days median2022: 147 days median2023: 203 days median2025: 194 days median2026 (partial year): 147 days median
2007high 250 (2020) · low 30 (2021)2026

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

Recalls per year · FDF

8in 2023

2015: 12016: 12020: 12023: 8
2007high 8 (2023) · low 0 (2007)2026

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

Adverse event reports per year · FDF

17,231in 2025

2007: 812008: 682009: 832010: 482011: 772012: 882013: 632014: 602015: 1002016: 1702017: 3702018: 3882019: 4172020: 6872021: 2,4442022: 8,3452023: 11,7482024: 12,1282025: 17,231
2007high 17,231 (2025) · low 48 (2010)2025

MAUDE reports naming product code FDF, 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
2007470081
20082—068
2009691083
20104101048
20112—077
20127241088
20132—063
20146164060
20152—1100
20167981170
20174360370
201871010388
20194560417
202042501687
202133002,444
2022514708,345
20236203811,748
20242—012,128
20254194017,231
202651470—

What is it indicated for?

The Medrobotics Flex Robotic System is intended to provide robot-assisted control of the Flex Colorectal Drive during visualization of and surgical site access to the anus, rectum and distal colon. The Flex Robotic System is intended for use in adults (≥22 years of age).

The Flex Colorectal Drive is intended for robot-assisted visualization of and surgical site access to the anus, rectum, and distal colon in adults (≥22 years of age). The Flex Colorectal Drive also provides accessory channels for compatible flexible instruments used in surgery.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K162330: Flex Robotic System and Flex Colorectal Drive.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K162330

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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