510(k) Report

510(k) · Cleared

Cleared

Pivoting Compensating Filters for the Head

K972766510(k) TraditionalCleared Aug 14, 199721-day reviewClass II21 CFR 892.1680

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

Octostop, Inc. · KPR System, X-Ray, Stationary

Cleared on Aug 14, 1997 as substantially equivalent to K913659 (Octostop, Inc., 1992) after a 21-day review. Its family tree reaches back 1 generation to 1992.

Decided
Aug 14, 1997
Review
21 days
Class
Class II
Product code
KPR
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K913659 (1992). No later device cites it as a predicate yet.

K913659 · Little Prism · Octostop, Inc. · 199219901992199419961998
K913659 · Little Prism · Octostop, Inc. · 19920
  1. Root · 1 generation backK913659 Little PrismOctostop, Inc. · 1992
  2. This deviceK972766 Pivoting Compensating Filters for the HeadOctostop, Inc. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K913659Little PrismOctostop, Inc.1992—
0 (this device)K972766Pivoting Compensating Filters for the HeadOctostop, Inc.1997—
FIG. 1 — Lineage of K972766, 1992–1997Source: 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 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 KPR? 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 KPR device

  1. #1 K242119 Innovision-Exiiscore 17.0 · 9 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
*K913659Little Prism
Summary page 2
…ION FILTER FOR THE HEAD IS FOR ROTATIONAL examinations of digital and dsa cerebral arteriograms and is substantially equivlent to previously accepted device Little Prism K913659C. (PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED) Concurrence of CDRH, Office of Device Evaluation (OD…
Octostop, Inc.1992—

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?

  • Its one ancestor has no recall.

How does its category compare?

All KPR devices

KPR System, X-Ray, Stationary: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KPR

8in 2025

2007: 122008: 152009: 92010: 92011: 92012: 112013: 52014: 102015: 182016: 112017: 62018: 152019: 122020: 162021: 62022: 82023: 92024: 112025: 82026 (partial year): 6
2007high 18 (2015) · low 5 (2013)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KPR

155in 2025

2007: 31 days median2008: 48 days median2009: 35 days median2010: 126 days median2011: 152 days median2012: 58 days median2013: 163 days median2014: 108 days median2015: 81 days median2016: 84 days median2017: 75 days median2018: 30 days median2019: 33 days median2020: 39 days median2021: 55 days median2022: 43 days median2023: 76 days median2024: 162 days median2025: 155 days median2026 (partial year): 197 days median
2007high 197 (2026) · low 30 (2018)2026

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

Recalls per year · KPR

7in 2025

2007: 102008: 102009: 52010: 32011: 52012: 12013: 52014: 82015: 12016: 42017: 32018: 42019: 12020: 12022: 22023: 42024: 12025: 7
2007high 10 (2007) · low 0 (2021)2026

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

Adverse event reports per year · KPR

39in 2025

2007: 1202008: 952009: 612010: 822011: 1032012: 742013: 242014: 342015: 592016: 182017: 312018: 362019: 772020: 412021: 372022: 272023: 392024: 342025: 39
2007high 120 (2007) · low 18 (2016)2025

MAUDE reports naming product code KPR, 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
2007123110120
200815481095
2009935561
20109126382
201191525103
20121158174
20135163524
201410108834
20151881159
20161184418
2017675331
20181530436
20191233177
20201639141
2021655037
2022843227
2023976439
202411162134
20258155739
202661970—

What is it indicated for?

I DECLEAR THAT THE PIVOTING COMPENSATION FILTER FOR THE HEAD IS FOR ROTATIONAL examinations of digital and dsa cerebral arteriograms and is substantially equivlent to previously accepted device Little Prism K913659C.

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. “K972766: Pivoting Compensating Filters for the Head.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K972766

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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