510(k) Report

510(k) · Cleared

Cleared

TL250 Interferential/Muscle Stimulator Interferential Current Therapy Muscle Stimulator

K990129510(k) TraditionalCleared Apr 12, 199989-day reviewClass II21 CFR 882.5890

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

Therapy Link, Inc. · LIH Interferential Current Therapy

Cleared on Apr 12, 1999 after an 89-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Apr 12, 1999
Review
89 days
Class
Class II
Product code
LIH
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K990129Source: FDA 510(k) database · 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in LIH? 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 LIH device

  1. #1 K231575 Vecttor VT-300score 7.1 · 2 generations · no Class I recall
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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

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.

How does its category compare?

All LIH devices

LIH Interferential Current Therapy: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LIH

1in 2024

2007: 12009: 22010: 22011: 12012: 22019: 12021: 12024: 1
2007high 2 (2009) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LIH

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

Recalls per year · LIH

No recall names LIH since 2007.

Adverse event reports per year · LIH

1in 2025

2008: 142009: 32010: 22011: 12012: 12013: 12015: 12016: 12017: 12019: 12021: 12024: 12025: 1
2007high 14 (2008) · low 0 (2007)2025

MAUDE reports naming product code LIH, 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—00
20080—014
20092—03
20102—02
20111—01
20122—01
20130—01
20140—00
20150—01
20160—01
20170—01
20180—00
20191—01
20200—00
20211—01
20220—00
20230—00
20241—01
20250—01
20260—0—

What is it indicated for?

Relaxation of muscle spasm

Prevention or retardation of disuse atrophy

Increasing local blood circulation

Muscle re-education

Maintaining or increasing range of motion

Immediate postsurgical stimulation of calf muscles to prevent venous thrombosis

Symptomatic relief of chronic, intractable pain

Management of pain associated with post-traumatic or post-operative conditions

Maintaining or increasing range of motion

Increasing local blood circulation

Maintaining or increasing range of motion

Increasing local blood circulation

Management of pain associated with post-traumatic or post-operative condijtions

[ncreasing local blood circulation

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K990129: TL250 Interferential/Muscle Stimulator Interferential Current Therapy Muscle Stimulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K990129

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026