510(k) Report

510(k) · Cleared

Recalled · Class II · 2022

Autolith Touch; Uro Touch

K130368510(k) TraditionalCleared Nov 15, 2013274-day reviewClass II21 CFR 876.4480Recalls 4

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

Northgate Technologies, Inc. · FFK Lithotriptor, Electro-Hydraulic

Cleared on Nov 15, 2013 as substantially equivalent to K923822 (Northgate Technologies, Inc., 1993) after a 274-day review. Its family tree reaches back 1 generation to 1993. 4 later devices descend from it. It has been recalled 4 times.

Decided
Nov 15, 2013
Review
274 days
Class
Class II
Product code
FFK
Recalls
4
Predicates
1

Its longest line of descent runs back 1 generation to K923822 (1993). 4 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2021: 1 descendant cleared2023: 1 descendant cleared2025: 2 descendants clearedK923822 · Autolith-Iehl · Northgate Technologies, Inc. · 19931990200020102020
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 2 descendants K923822 · Autolith-Iehl · Northgate Technologies, Inc. · 19930
  1. Root · 1 generation backK923822 Autolith-IehlNorthgate Technologies, Inc. · 1993
  2. This deviceK130368 Autolith Touch; Uro TouchNorthgate Technologies, Inc. · 2013
  3. Descendant · cites it directly · 2 of its ownK230488 EL27-Compact; Sterile EHL-ProbesWalz Elektronik GmbH · 2023
  4. Descendant · 2 generations on · 0 of its ownK243032 EHL Probe (SCDG-AS); EHL Probe (SCDG-BS); EHL Probe (SCDG-CS)Guangzhou Potent Medical Equipment Joint-Stock Co., Ltd. · 2025
  5. Descendant · 2 generations on · 0 of its ownK242888 Electrohydraulic Lithotriptor (TCS-B3-II)Guangzhou Potent Medical Equipment Joint-Stock Co., Ltd. · 2025
  6. Descendant · cites it directly · 0 of its ownK202813 URO-TOUCH 9 French ProbeNorthgate Technologies, Inc. · 2021

Most influential descendants

Showing 4 of 4 · See all
  • K230488EL27-Compact; Sterile EHL-ProbesWalz Elektronik GmbH · 2023 · cites it directly2descendants
  • K243032EHL Probe (SCDG-AS); EHL Probe (SCDG-BS); EHL Probe (SCDG-CS)Guangzhou Potent Medical Equipment Joint-Stock Co., Ltd. · 2025 · 2 generations on0descendants
  • K242888Electrohydraulic Lithotriptor (TCS-B3-II)Guangzhou Potent Medical Equipment Joint-Stock Co., Ltd. · 2025 · 2 generations on0descendants
  • K202813URO-TOUCH 9 French ProbeNorthgate Technologies, Inc. · 2021 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K923822Autolith-IehlNorthgate Technologies, Inc.1993—
0 (this device)K130368Autolith Touch; Uro TouchNorthgate Technologies, Inc.2013—
+1K230488EL27-Compact; Sterile EHL-ProbesWalz Elektronik GmbH2023—
+2K243032EHL Probe (SCDG-AS); EHL Probe (SCDG-BS); EHL Probe (SCDG-CS)Guangzhou Potent Medical Equipment Joint-Stock Co., Ltd.2025—
+2K242888Electrohydraulic Lithotriptor (TCS-B3-II)Guangzhou Potent Medical Equipment Joint-Stock Co., Ltd.2025—
+1K202813URO-TOUCH 9 French ProbeNorthgate Technologies, Inc.2021—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202110
202310
202520
FIG. 1 — Lineage of K130368, 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 FFK? 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 FFK device

  1. #1 K230488 EL27-Compact; Sterile EHL-Probesscore 12.2 · 2 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
*K923822Autolith-Iehl
Summary page 2
…-weight design. The predicate device is: AutolitO For Renal and Biliary Procedures, (K(923822), approved, January 28, 1993. Device Description: The AUTOLITH® TOUCH unit is designed to be used with N…
Northgate Technologies, Inc.1993—

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K230488EL27-Compact; Sterile EHL-ProbesWalz Elektronik GmbH20232
K202813URO-TOUCH 9 French ProbeNorthgate Technologies, Inc.20210

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

Recalls of this device

DateClassRecallRoot causeReason
Apr 13, 2022Class IIZ-1235-2022Under Investigation by firmProduct labeled incorrectly.
Oct 25, 2021Class IIZ-0333-2022Software design (manufacturing process)The languages for Russian, Romanian, Slovak, and Czech have the power settings for high and low switched in the device.
Mar 10, 2020Class IIZ-1883-2020Nonconforming Material/ComponentAs part of an investigation into a biocompatibility test discrepancy where a lot failed biocompatibility testing.
Mar 10, 2020Class IIZ-1884-2020Nonconforming Material/ComponentInvestigation into a biocompatibility test discrepancy where a lot failed biocompatibility testing.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has no recall.
  • Of its descendants, K230488 (Walz Elektronik GmbH, 2023) has gone furthest, with 2 descendants of its own.

How does its category compare?

All FFK devices

FFK Lithotriptor, Electro-Hydraulic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.

FDA decisions per year · FFK

2in 2025

2007: 22010: 22012: 22013: 32016: 22019: 12021: 12023: 12025: 2
2007high 3 (2013) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FFK

110in 2013

2013: 110 days median
2007high 110 (2013)2026

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

Recalls per year · FFK

1in 2021

2007: 12009: 12017: 12021: 1
2007high 1 (2007) · low 0 (2008)2026

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

Adverse event reports per year · FFK

6in 2025

2007: 62008: 122009: 352010: 162011: 62012: 22013: 102014: 92015: 72016: 72017: 92018: 182019: 102020: 392021: 222022: 132023: 102024: 82025: 6
2007high 39 (2020) · low 2 (2012)2025

MAUDE reports naming product code FFK, 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—16
20080—012
20090—135
20102—016
20110—06
20122—02
20133110010
20140—09
20150—07
20162—07
20170—19
20180—018
20191—010
20200—039
20211—122
20220—013
20231—010
20240—08
20252—06
20260—0—

What is it indicated for?

The AUTOLITH® TOUCH unit is designed to be used with Northgate Technologies Inc. bipolar disposable EHL probes for the fragmentation of biliary calculi. The AUTOLITH® URO-TOUCH unit is designed to be used with Northgate Technologies Inc. bipolar disposable EHL probes for the fragmentation of renal calculi.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K130368: Autolith Touch; Uro Touch.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K130368

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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