510(k) Report

510(k) · Cleared

Cleared

Aperio GT 450 DX; Aperio GT 180 DX

K253554510(k) TraditionalCleared Aug 7, 2026266-day reviewClass II21 CFR 864.3700

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

Leica Biosystems Imaging, Inc. · PSY Whole Slide Imaging System

Cleared on Aug 7, 2026 as substantially equivalent to K232202 (Leica Biosystems Imaging, Inc., 2024) after a 266-day review. Its family tree reaches back 3 generations to 2017. 1 later device descends from it.

Decided
Aug 7, 2026
Review
266 days
Class
Class II
Product code
PSY
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to DEN160056 (2017). 1 later device descends from it, 1 citing it directly.

  1. Root · 3 generations backDEN160056 Philips IntelliSite Pathology SolutionPhilips Medical Systems Nederland B.V. · 2017
  2. 2 generations backK190332 Aperio AT2 DX SystemLeica Biosystems Imaging, Inc. · 2019
  3. 1 generation backK232202 Aperio GT 450 DXLeica Biosystems Imaging, Inc. · 2024
  4. This deviceK253554 Aperio GT 450 DX; Aperio GT 180 DXLeica Biosystems Imaging, Inc. · 2026
  5. Descendant · cites it directly · 0 of its ownK253561 Aperio iQC DX SoftwareLeica Biosystems Imaging, Inc. · 2026

Most influential descendants

Showing 1 of 1 · See all
  • K253561Aperio iQC DX SoftwareLeica Biosystems Imaging, Inc. · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3DEN160056Philips IntelliSite Pathology SolutionPhilips Medical Systems Nederland B.V.2017—
−2K190332Aperio AT2 DX SystemLeica Biosystems Imaging, Inc.2019—
−1K232202Aperio GT 450 DXLeica Biosystems Imaging, Inc.2024—
0 (this device)K253554Aperio GT 450 DX; Aperio GT 180 DXLeica Biosystems Imaging, Inc.2026—
+1K253561Aperio iQC DX SoftwareLeica Biosystems Imaging, Inc.2026—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K253554, 2017–2026Source: 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), 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 PSY? 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 PSY device

  1. #1 K232202 Aperio GT 450 DXscore 34.5 · 2 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
*K232202Aperio GT 450 DX
Summary page 5
…Leica Biosystems Imaging, Inc. Predicate Device for Aperio GT 450 DX: Device Trade/Proprietary Name: Aperio GT 450 DX 510(k) Number: K232202 Traditional 510(k) Aperio GT Platform Page 1/18 Subject Device: Aper…
Leica Biosystems Imaging, Inc.2024—

Also cleared against K232202: 8 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K253561Aperio iQC DX SoftwareLeica Biosystems Imaging, Inc.20260

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 9 years and passes through 2 companies; a new generation was cleared every 2.3 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K253561 (Leica Biosystems Imaging, Inc., 2026) has gone furthest, with 0 descendants of its own.
  • 8 other devices also cite its predicate K232202.

How does its category compare?

All PSY devices

PSY Whole Slide Imaging System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · PSY

2in 2025

2017: 22019: 22021: 22022: 12023: 12024: 92025: 22026 (partial year): 4
2007high 9 (2024) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PSY

265in 2024

2024: 265 days median2026 (partial year): 253 days median
2007high 265 (2024)2026

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

Recalls per year · PSY

1so far in 2026, the most since 2007

2026 (partial year): 1
2007high 1 (2026) · low 0 (2007)2026

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

Adverse event reports per year · PSY

1in 2023

2019: 12020: 12023: 1
2007high 1 (2019) · low 0 (2007)2025

MAUDE reports naming product code PSY, 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—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20172—00
20180—00
20192—01
20200—01
20212—00
20221—00
20231—01
2024926500
20252—00
202642531—

What is it indicated for?

Aperio GT 450 DX: The Aperio GT 450 DX is an automated digital slide creation and viewing system. The Aperio GT 450 DX is intended for in vitro diagnostic use as an aid to the pathologist to review and interpret digital images of surgical pathology slides prepared from formalin-fixed paraffin embedded (FFPE) tissue. The Aperio GT 450 DX is for creation and viewing of digital images of scanned glass slides that would otherwise be appropriate for manual…

Read the full statement (260 words)

Aperio GT 450 DX:

The Aperio GT 450 DX is an automated digital slide creation and viewing system. The Aperio GT 450 DX is intended for in vitro diagnostic use as an aid to the pathologist to review and interpret digital images of surgical pathology slides prepared from formalin-fixed paraffin embedded (FFPE) tissue. The Aperio GT 450 DX is for creation and viewing of digital images of scanned glass slides that would otherwise be appropriate for manual visualization by conventional light microscopy.

The Aperio GT 450 DX is not intended for use with frozen section, cytology, or non-FFPE hematopathology specimens. It is the responsibility of a qualified pathologist to employ appropriate procedures and safeguards to assure the validity of the interpretation of images obtained using the Aperio GT 450 DX.

Aperio GT 180 DX:

The Aperio GT 180 DX is an automated digital slide creation and viewing system. The Aperio GT 180 DX is intended for in vitro diagnostic use as an aid to the pathologist to review and interpret digital images of surgical pathology slides prepared from formalin-fixed paraffin embedded (FFPE) tissue. The Aperio GT 180 DX is for creation and viewing of digital images of scanned glass slides that would otherwise be appropriate for manual visualization by conventional light microscopy.

The Aperio GT 180 DX is not intended for use with frozen section, cytology, or non-FFPE hematopathology specimens. It is the responsibility of a qualified pathologist to employ appropriate procedures and safeguards to assure the validity of the interpretation of images obtained using the Aperio GT 180 DX.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K253554: Aperio GT 450 DX; Aperio GT 180 DX.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K253554

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Record history
  • FDA decision record loaded Oct 30, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026