510(k) Report

510(k) · Cleared

Cleared

Intermittent Compressor System

K964957510(k) TraditionalCleared Feb 24, 199775-day reviewClass II21 CFR 890.5650

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

Eischoco, Inc. · IRP Massager, Powered Inflatable Tube

Cleared on Feb 24, 1997 as substantially equivalent to K832920 (Chattanooga Group, Inc., 1983) after a 75-day review. Its family tree reaches back 1 generation to 1983. 1 later device descends from it.

Decided
Feb 24, 1997
Review
75 days
Class
Class II
Product code
IRP
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K832920 (1983). 1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 1999: 1 descendant clearedK832920 · Intermittent Compression Pumps · Chattanooga Group, Inc. · 198319801990200020102020
Descendants, by generation 1 generation forward: 1 descendant K832920 · Intermittent Compression Pumps · Chattanooga Group, Inc. · 19830
  1. Root · 1 generation backK832920 Intermittent Compression PumpsChattanooga Group, Inc. · 1983
  2. This deviceK964957 Intermittent Compressor SystemEischoco, Inc. · 1997
  3. Descendant · cites it directly · 0 of its ownK991921 Intermittent Compression Boot for OtcEischoco, Inc. · 1999

Most influential descendants

Showing 1 of 1 · See all
  • K991921Intermittent Compression Boot for OtcEischoco, Inc. · 1999 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K832920Intermittent Compression PumpsChattanooga Group, Inc.1983—
0 (this device)K964957Intermittent Compressor SystemEischoco, Inc.1997—
+1K991921Intermittent Compression Boot for OtcEischoco, Inc.1999—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199910
FIG. 1 — Lineage of K964957, 1983–1999Source: 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 IRP? 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 IRP device

  1. #1 K193354 Air Compression Therapy Devicescore 28.6 · 8 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
*K832920Intermittent Compression Pumps
Summary page 1
…ed. 6. Substantial Equivalency Comparisons: EISCHCO’s Inflatable Massager Boot is substantially equivalent to Chattanooga Group's, Inc. Intermittent Compression System K832920. A companison of EISCHCO's Inflatable Massager Boot and the predicate device in Table I shows that both devices are the same exce…
Chattanooga Group, Inc.1983—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K991921Intermittent Compression Boot for OtcEischoco, Inc.19990

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?

  • Its one ancestor has no recall.
  • Of its descendants, K991921 (Eischoco, Inc., 1999) has gone furthest, with 0 descendants of its own.

How does its category compare?

All IRP devices

IRP Massager, Powered Inflatable Tube: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IRP

13in 2025

2007: 22008: 12009: 12010: 22011: 32012: 52013: 22014: 42015: 22016: 12017: 42018: 32019: 102020: 92021: 192022: 142023: 102024: 122025: 132026 (partial year): 12
2007high 19 (2021) · low 1 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IRP

141in 2025

2011: 164 days median2012: 116 days median2014: 113 days median2017: 170 days median2018: 80 days median2019: 83 days median2020: 150 days median2021: 140 days median2022: 97 days median2023: 143 days median2024: 115 days median2025: 141 days median2026 (partial year): 172 days median
2007high 172 (2026) · low 80 (2018)2026

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

Recalls per year · IRP

2in 2017

2011: 12017: 2
2007high 2 (2017) · low 0 (2007)2026

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

Adverse event reports per year · IRP

10in 2025

2008: 22009: 12010: 52011: 32012: 32015: 32016: 22020: 12022: 12024: 42025: 10
2007high 10 (2025) · low 0 (2007)2025

MAUDE reports naming product code IRP, 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—00
20081—02
20091—01
20102—05
2011316413
2012511603
20132—00
2014411300
20152—03
20161—02
2017417020
201838000
2019108300
2020915001
20211914000
2022149701
20231014300
20241211504
202513141010
2026121720—
Cite this page

510(k) Report. “K964957: Intermittent Compressor System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K964957

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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