510(k) Report

510(k) · Cleared

Cleared

SD-730 IF-SDS, Perfect Pulse IF-SDS

K992652510(k) TraditionalCleared Feb 3, 2000181-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

Skylark Device & Systems Co., Ltd. · LIH Interferential Current Therapy

Cleared on Feb 3, 2000 after a 181-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 2 later devices descend from it.

Decided
Feb 3, 2000
Review
181 days
Class
Class II
Product code
LIH
Recalls
None
Predicates
0

2 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2003: 1 descendant cleared2004: 1 descendant cleared200020052010201520202025
  1. This deviceK992652 SD-730 IF-SDS, Perfect Pulse IF-SDSSkylark Device & Systems Co., Ltd. · 2000
  2. Descendant · cites it directly · 0 of its ownK034005 SDS-4ISkylark Device & Systems Co., Ltd. · 2004
  3. Descendant · cites it directly · 0 of its ownK033358 Chronic Pain Suppressor CPS-2000, Model CPS-2000Surgitech, Inc. · 2003

Most influential descendants

Showing 2 of 2 · See all
  • K034005SDS-4ISkylark Device & Systems Co., Ltd. · 2004 · cites it directly0descendants
  • K033358Chronic Pain Suppressor CPS-2000, Model CPS-2000Surgitech, Inc. · 2003 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K992652SD-730 IF-SDS, Perfect Pulse IF-SDSSkylark Device & Systems Co., Ltd.2000—
+1K034005SDS-4ISkylark Device & Systems Co., Ltd.2004—
+1K033358Chronic Pain Suppressor CPS-2000, Model CPS-2000Surgitech, Inc.2003—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200410
FIG. 1 — Lineage of K992652, 2000–2004Source: 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 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
Get a 510(k) Report

What was it cleared against?

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

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K034005SDS-4ISkylark Device & Systems Co., Ltd.20040
K033358Chronic Pain Suppressor CPS-2000, Model CPS-2000Surgitech, Inc.20030

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?

  • Of its descendants, K034005 (Skylark Device & Systems Co., Ltd., 2004) has gone furthest, with 0 descendants of its own.

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?

1. Symptomatic relief of chronic, intractable pain

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

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. “K992652: SD-730 IF-SDS, Perfect Pulse IF-SDS.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K992652

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