510(k) Report

510(k) · Cleared

Recalled · Class II · 2025

Pall SQ40S Blood Filter (SQ40S/SQ40ST)

K960993510(k) TraditionalCleared Apr 22, 199641-day reviewClass II21 CFR 880.5440Recalls 1

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

Pall Biomedical Products Co. · CAK Microfilter, Blood Transfusion

Cleared on Apr 22, 1996 after a 41-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 9 later devices descend from it. It has been recalled once.

Decided
Apr 22, 1996
Review
41 days
Class
Class II
Product code
CAK
Recalls
1
Predicates
0

9 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2002: 1 descendant cleared2003: 1 descendant cleared2021: 1 descendant cleared2023: 2 descendants cleared2024: 1 descendant cleared2026: 3 descendants cleared1995200020052010201520202025
  1. This deviceK960993 Pall SQ40S Blood Filter (SQ40S/SQ40ST)Pall Biomedical Products Co. · 1996
  2. Descendant · cites it directly · 8 of its ownK022477 Summit Medical LTD Transfusion Filter, Model LF400 & Summit Medical…Summit Medical, Ltd. · 2002
  3. Descendant · 2 generations on · 7 of its ownK024097 Summit Medical LTD Celltrans Postoperative Autotransfusion Set…Summit Medical, Ltd. · 2003
  4. Descendant · 3 generations on · 6 of its ownK210176 FlowSaver Blood FilterInari Medical · 2021
  5. Descendant · 4 generations on · 3 of its ownK240426 Aventus Clot Management SystemInquis Medical · 2024
  6. Descendant · 5 generations on · 2 of its ownK253925 Aventus Thrombectomy SystemInquis Medical · 2026

Showing 5 of 9 descendants. See all descendants

Descendants cleared per year

2002: 12003: 12021: 12023: 22024: 12026: 3
2002high 3 (2026) · low 0 (2004)2026

Most influential descendants

Showing 5 of 9 · See all
  • K022477Summit Medical LTD Transfusion Filter, Model LF400 & Summit Medical LTD Transfusion…Summit Medical, Ltd. · 2002 · cites it directly8descendants
  • K024097Summit Medical LTD Celltrans Postoperative Autotransfusion Set, Models AB400-10…Summit Medical, Ltd. · 2003 · 2 generations on7descendants
  • K210176FlowSaver Blood FilterInari Medical · 2021 · 3 generations on6descendants
  • K240426Aventus Clot Management SystemInquis Medical · 2024 · 4 generations on3descendants
  • K253925Aventus Thrombectomy SystemInquis Medical · 2026 · 5 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K960993Pall SQ40S Blood Filter (SQ40S/SQ40ST)Pall Biomedical Products Co.1996—
+1K022477Summit Medical LTD Transfusion Filter, Model LF400 & Summit Medical LTD…Summit Medical, Ltd.2002—
+2K024097Summit Medical LTD Celltrans Postoperative Autotransfusion Set, Models…Summit Medical, Ltd.2003—
+3K210176FlowSaver Blood FilterInari Medical2021—
+4K240426Aventus Clot Management SystemInquis Medical2024—
+5K253925Aventus Thrombectomy SystemInquis Medical2026—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200310
202110
202320
202410
202630
FIG. 1 — Lineage of K960993, 1996–2026Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in CAK? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (9)

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

NumberDeviceApplicantDecidedDescendants
K022477Summit Medical LTD Transfusion Filter, Model LF400 & Summit Medical LTD Transfusion…Summit Medical, Ltd.20028

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Nov 3, 2025Class IIZ-1157-2026Process controlDue to products being released for distribution prior to completion of the required quality control release process the sterility assurance cannot be confirmed.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K022477 (Summit Medical, Ltd., 2002) has gone furthest, with 8 descendants of its own.

How does its category compare?

All CAK devices

CAK Microfilter, Blood Transfusion: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CAK

FDA has decided no CAK device since 2007.

Median 510(k) review, days · CAK

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

Recalls per year · CAK

No recall names CAK since 2007.

Adverse event reports per year · CAK

60in 2025

2007: 52008: 72009: 82010: 32011: 42013: 1042014: 372015: 582016: 972017: 1312018: 582019: 3342020: 1802021: 182022: 1102023: 692024: 192025: 60
2007high 334 (2019) · low 0 (2012)2025

MAUDE reports naming product code CAK, 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
20070—05
20080—07
20090—08
20100—03
20110—04
20120—00
20130—0104
20140—037
20150—058
20160—097
20170—0131
20180—058
20190—0334
20200—0180
20210—018
20220—0110
20230—069
20240—019
20250—060
20260—0—
Cite this page

510(k) Report. “K960993: Pall SQ40S Blood Filter (SQ40S/SQ40ST).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K960993

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026