510(k) Report

510(k) · Cleared

Cleared

Liberty Rectal Pelvic Floor Exerciser

K964526510(k) TraditionalCleared Feb 10, 199790-day reviewClass II21 CFR 876.5320

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

Utah Medical Products, Inc. · KPI Stimulator, Electrical, Non-Implantable, For Incontinence

Cleared on Feb 10, 1997 as substantially equivalent to K960496 (Utah Medical Products, Inc., 1996) and 1 other predicate after a 90-day review. Its family tree reaches back 2 generations to 1989.

Decided
Feb 10, 1997
Review
90 days
Class
Class II
Product code
KPI
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K891773 (1989). 3 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1995: 1 other ancestorK891773 · Microgyn II Elec Stim Device Treat of Urin Inconti · Hollister, Inc. · 1989K960496 · Liberty Lite PFS System · Utah Medical Products, Inc. · 19961986198819901992199419961998
Other ancestors, by generation 2 generations back: 1 other ancestor K960496 · Liberty Lite PFS System · Utah Medical Products, Inc. · 1996K891773 · Microgyn II Elec Stim Device Treat of Urin Inconti · Hollister, Inc. · 19890
  1. Root · 2 generations backK891773 Microgyn II Elec Stim Device Treat of Urin IncontiHollister, Inc. · 1989
  2. 1 generation backK960496 Liberty Lite PFS SystemUtah Medical Products, Inc. · 1996
  3. This deviceK964526 Liberty Rectal Pelvic Floor ExerciserUtah Medical Products, Inc. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K891773Microgyn II Elec Stim Device Treat of Urin IncontiHollister, Inc.1989—
−1K960496Liberty Lite PFS SystemUtah Medical Products, Inc.1996—
0 (this device)K964526Liberty Rectal Pelvic Floor ExerciserUtah Medical Products, Inc.1997—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
FIG. 1 — Lineage of K964526, 1989–1997Source: 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 KPI? 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 KPI device

  1. #1 K262353 BTL-299-Fscore 14.8 · 10 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? (2)

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
*K960496Liberty Lite PFS System
Summary page 1
…Medical Products, Inc. (UMP) Liberty Rectal Pelvic Floor Exerciser (PFS-043) is substantially equivalent to the UMP Liberty Probe (PFS-041), cleared for marketing under K960496, and to the Hollister InCare Anal Applicator (ICAA), cleared for marketing under K891773. The device consists of an injection mo…
Utah Medical Products, Inc.1996—
*K891773Microgyn II Elec Stim Device Treat of Urin Inconti
Summary page 1
…ially equivalent to the UMP Liberty Probe (PFS-041), cleared for marketing under K960496, and to the Hollister InCare Anal Applicator (ICAA), cleared for marketing under K891773. The device consists of an injection molded thermoplastic applicator that supports two stainless steel electrode rings that appl…
Hollister, Inc.1989—

Also cleared against K960496: 5 other devices →

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.

What does this lineage say?

  • The line of descent spans 8 years and passes through 2 companies; a new generation was cleared every 6.8 years on median.
  • None of the 3 ancestors has a recall.
  • 5 other devices also cite its predicate K960496.

How does its category compare?

All KPI devices

KPI Stimulator, Electrical, Non-Implantable, For Incontinence: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KPI

7so far in 2026, the most since 2007

2007: 12008: 12009: 22011: 12012: 22013: 12014: 32015: 62016: 32017: 12018: 32019: 22020: 12021: 32022: 32023: 32024: 42025: 42026 (partial year): 7
2007high 7 (2026) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KPI

263in 2025

2014: 57 days median2015: 260 days median2016: 89 days median2018: 304 days median2021: 217 days median2022: 181 days median2023: 197 days median2024: 172 days median2025: 263 days median2026 (partial year): 248 days median
2007high 304 (2018) · low 57 (2014)2026

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

Recalls per year · KPI

No recall names KPI since 2007.

Adverse event reports per year · KPI

2in 2024

2013: 12015: 22017: 42019: 22020: 32021: 12022: 22023: 62024: 2
2007high 6 (2023) · low 0 (2007)2025

MAUDE reports naming product code KPI, 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
20081—00
20092—00
20100—00
20111—00
20122—00
20131—01
201435700
2015626002
201638900
20171—04
2018330400
20192—02
20201—03
2021321701
2022318102
2023319706
2024417202
2025426300
202672480—

What is it indicated for?

The PFS-043 is indicated for use to help train the pelvic floor muscles using electrical stimulation. The PFS-043 is a rectal applicator that is used with the UMP Liberty PFS System (PFS), which is a battery powered electrostimulation device that applies electrical stimulation through electrodes on the applicator.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K964526: Liberty Rectal Pelvic Floor Exerciser.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964526

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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