510(k) Report

510(k) · Cleared

Cleared

Modified Contact-Heat Evoked Potential Stimulator (Cheps)

K051448510(k) SpecialCleared Jun 29, 200527-day reviewClass II21 CFR 882.1870

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

Medoc Ltd. Advanced Medical Systems · NTU Evoked Potential Stimulator, Thermal

Cleared on Jun 29, 2005 as substantially equivalent to K041908 (Medoc Ltd. Advanced Medical Systems, 2005) after a 27-day review. Its family tree reaches back 2 generations to 1993. 1 later device descends from it.

Decided
Jun 29, 2005
Review
27 days
Class
Class II
Product code
NTU
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K922052 (1993). 3 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2001: 1 other ancestor2006: 1 descendant clearedK922052 · Tsa 2001 Thermal Sensory Analyzer · Medoc Corp. · 1993K041908 · Contact Heat-Evoked Potential Stimulator (Cheps) · Medoc Ltd. Advanced Medical Systems · 20051990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor 1 generation forward: 1 descendant K041908 · Contact Heat-Evoked Potential Stimulator (Cheps) · Medoc Ltd. Advanced Medical Systems · 2005K922052 · Tsa 2001 Thermal Sensory Analyzer · Medoc Corp. · 19930
  1. Root · 2 generations backK922052 Tsa 2001 Thermal Sensory AnalyzerMedoc Corp. · 1993
  2. 1 generation backK041908 Contact Heat-Evoked Potential Stimulator (Cheps)Medoc Ltd. Advanced Medical Systems · 2005
  3. This deviceK051448 Modified Contact-Heat Evoked Potential Stimulator (Cheps)Medoc Ltd. Advanced Medical Systems · 2005
  4. Descendant · cites it directly · 0 of its ownK052357 Pathway - Ats/ChepsMedoc Ltd. Advanced Medical Systems · 2006

Most influential descendants

Showing 1 of 1 · See all
  • K052357Pathway - Ats/ChepsMedoc Ltd. Advanced Medical Systems · 2006 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K922052Tsa 2001 Thermal Sensory AnalyzerMedoc Corp.1993—
−1K041908Contact Heat-Evoked Potential Stimulator (Cheps)Medoc Ltd. Advanced Medical Systems2005—
0 (this device)K051448Modified Contact-Heat Evoked Potential Stimulator (Cheps)Medoc Ltd. Advanced Medical Systems2005—
+1K052357Pathway - Ats/ChepsMedoc Ltd. Advanced Medical Systems2006—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
FIG. 1 — Lineage of K051448, 1993–2006Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 NTU? 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
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
*K041908Contact Heat-Evoked Potential Stimulator (Cheps)
Summary page 1
…82.1870- Modified Contact Heat-Evoked Potential Stimulator (CHEPS) 3. Predicate Device: Contact Heat-Evoked Potential Stimulator K041908 4. Description: The Modified Contact Heat-Evoked Potential Stimulator (CHEPS) is an…
Medoc Ltd. Advanced Medical Systems2005—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K052357Pathway - Ats/ChepsMedoc Ltd. Advanced Medical Systems20060

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 12 years and passes through 2 companies; a new generation was cleared every 11.3 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K052357 (Medoc Ltd. Advanced Medical Systems, 2006) has gone furthest, with 0 descendants of its own.

How does its category compare?

All NTU devices

NTU Evoked Potential Stimulator, Thermal: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · NTU

FDA has decided no NTU device since 2007.

Median 510(k) review, days · NTU

Too few NTU 510(k)s in any year since 2007 to give a median.

Recalls per year · NTU

No recall names NTU since 2007.

Adverse event reports per year · NTU

1in 2008

2008: 1
2007high 1 (2008) · low 0 (2007)2025

MAUDE reports naming product code NTU, 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
20070—00
20080—01
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The Modified Contact Heat-Evoked Potential (CHEPS) is indicated

for the use in evaluating the functionality of human pain reception and transmission of

sensory pathways.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K051448: Modified Contact-Heat Evoked Potential Stimulator (Cheps).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051448

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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