510(k) Report

510(k) · Cleared

Recalled · Class I · 2024

Mini PCNL-System

K200770510(k) TraditionalCleared Jul 30, 2021492-day reviewClass II21 CFR 876.1500Recalls 4 (4 Class I)

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

Trokamed GmbH · FED Endoscopic Access Overtube, Gastroenterology-Urology

Cleared on Jul 30, 2021 as substantially equivalent to K994223 (Richard Wolf Medical Instruments Corp., 2000) after a 492-day review. Its family tree reaches back 2 generations to 1977. 1 of the 3 devices in its family, counting itself, has a Class I recall. It has been recalled 4 times, including 4 Class I recalls.

Decided
Jul 30, 2021
Review
492 days
Class
Class II
Product code
FED
Recalls
4 (4 Class I)
Predicates
1

Its longest line of descent runs back 2 generations to K770729 (1977). No later device cites it as a predicate yet. 1 of the 3 devices in this family, counting this one, has a Class I recall.

  1. Root · 2 generations backK770729 Pyeloscope SystemRichard Wolf Medical Instruments Corp. · 1977
  2. 1 generation backK994223 Nephroscope, 12 Degrees; Diaphragm Valve; Irrigation Attachment…Richard Wolf Medical Instruments Corp. · 2000
  3. This deviceK200770 Mini PCNL-SystemTrokamed GmbH · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K770729Pyeloscope SystemRichard Wolf Medical Instruments Corp.1977—
−1K994223Nephroscope, 12 Degrees; Diaphragm Valve; Irrigation Attachment; Nephroscope…Richard Wolf Medical Instruments Corp.2000—
0 (this device)K200770Mini PCNL-SystemTrokamed GmbH2021—
FIG. 1 — Lineage of K200770, 1977–2021Source: 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 FED device

  1. #1 K241181 Disposable Ureteral Guide Sheathscore 15.0 · 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? (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
*K994223Nephroscope, 12 Degrees; Diaphragm Valve; Irrigation Attachment; Nephroscope, 20 Degree…
Summary page 5
…Breite 17 ∙ 78187 Geisingen Predicate Device Manufacturer 510(k) Number Device Name RICHARD WOLF Medical K994223 Nephroscope Set Instruments Corporation Comparison of Technological Characteristics with the Predicate Device…
Richard Wolf Medical Instruments Corp.2000—

Also cleared against K994223: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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

Recalls of this device

DateClassRecallRoot causeReason
Nov 27, 2024Class IZ-0715-2025Labeling False and MisleadingIf the inflow speed is too quick, it could result in reduced outflow through the shaft due to blood, tissue fragments and kidney stone fragments, and quickly build up of intrarenal pressure.
Nov 27, 2024Class IZ-0713-2025Labeling False and MisleadingIf the inflow speed is too quick, it could result in reduced outflow through the shaft due to blood, tissue fragments and kidney stone fragments, and quickly build up of intrarenal pressure.
Nov 27, 2024Class IZ-0714-2025Labeling False and MisleadingIf the inflow speed is too quick, it could result in reduced outflow through the shaft due to blood, tissue fragments and kidney stone fragments, and quickly build up of intrarenal pressure.
Nov 27, 2024Class IZ-0716-2025Labeling False and MisleadingIf the inflow speed is too quick, it could result in reduced outflow through the shaft due to blood, tissue fragments and kidney stone fragments, and quickly build up of intrarenal pressure.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 44 years and passes through 2 companies; a new generation was cleared every 23.1 years on median.
  • None of the 2 ancestors has a recall.
  • 2 other devices also cite its predicate K994223.

How does its category compare?

All FED devices

FED Endoscopic Access Overtube, Gastroenterology-Urology: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · FED

11in 2025

2007: 12008: 12009: 42010: 32011: 12012: 42013: 22014: 42015: 22016: 52017: 12018: 42019: 52020: 42021: 32022: 12023: 32024: 62025: 112026 (partial year): 6
2007high 11 (2025) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FED

120in 2025

2009: 90 days median2010: 90 days median2012: 82 days median2014: 123 days median2016: 126 days median2018: 122 days median2019: 94 days median2020: 117 days median2021: 189 days median2023: 138 days median2024: 98 days median2025: 120 days median2026 (partial year): 67 days median
2007high 189 (2021) · low 82 (2012)2026

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

Recalls per year · FED

4in 2024

2007: 12013: 32024: 4, 4 Class I
2007high 4 (2024) · low 0 (2008)2026

Class I (4 since 2007) Class II/III not classified

Adverse event reports per year · FED

115in 2025

2007: 142008: 182009: 192010: 192011: 202012: 352013: 252014: 342015: 352016: 292017: 322018: 342019: 302020: 332021: 552022: 362023: 532024: 642025: 115
2007high 115 (2025) · low 14 (2007)2025

MAUDE reports naming product code FED, 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—114
20081—018
2009490019
2010390019
20111—020
2012482035
20132—325
20144123034
20152—035
20165126029
20171—032
20184122034
2019594030
20204117033
20213189055
20221—036
20233138053
20246984 (4)64
2025111200115
20266670—

What is it indicated for?

The nephroscopy accessory set is intended for minimally invasive procedures in nephroscopy.

The shaft is a reusable, surgically invasive device for shortterm use. It is designed to bring instruments, telescopes, and fluids to the surgical site.

The Dilator is a reusable, surgically invasive device for temporary use. It is designed to widen existing surgically invasive openings.

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. “K200770: Mini PCNL-System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K200770

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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