510(k) Report

510(k) · Cleared

Cleared

Giotto HT

K973856510(k) TraditionalCleared Nov 21, 199743-day reviewClass II21 CFR 892.1710

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

Sitco, Inc. · IZH System, X-Ray, Mammographic

Cleared on Nov 21, 1997 as substantially equivalent to K901558 (Medical Device Marketing Network, Inc., 1990) after a 43-day review. Its family tree reaches back 1 generation to 1990. 2 later devices descend from it.

Decided
Nov 21, 1997
Review
43 days
Class
Class II
Product code
IZH
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K901558 (1990). 2 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2001: 1 descendant cleared2011: 1 descendant clearedK901558 · Giotto Mammography HF · Medical Device Marketing Network, Inc. · 19901990200020102020
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 1 descendant K901558 · Giotto Mammography HF · Medical Device Marketing Network, Inc. · 19900
  1. Root · 1 generation backK901558 Giotto Mammography HFMedical Device Marketing Network, Inc. · 1990
  2. This deviceK973856 Giotto HTSitco, Inc. · 1997
  3. Descendant · cites it directly · 1 of its ownK012953 Giotto ImageMedx, Inc. · 2001
  4. Descendant · 2 generations on · 0 of its ownK111434 Giotto Image 3D, Giotto Image 3D-LGiotto USA, LLC · 2011

Most influential descendants

Showing 2 of 2 · See all
  • K012953Giotto ImageMedx, Inc. · 2001 · cites it directly1descendant
  • K111434Giotto Image 3D, Giotto Image 3D-LGiotto USA, LLC · 2011 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K901558Giotto Mammography HFMedical Device Marketing Network, Inc.1990—
0 (this device)K973856Giotto HTSitco, Inc.1997—
+1K012953Giotto ImageMedx, Inc.2001—
+2K111434Giotto Image 3D, Giotto Image 3D-LGiotto USA, LLC2011—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200110
201110
FIG. 1 — Lineage of K973856, 1990–2011Source: 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 IZH? 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 IZH device

  1. #1 K202294 Affirm Contrast Biopsyscore 1.0 · 4 generations · no Class I recall
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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
*K901558Giotto Mammography HF
Summary page 1
…2. Device Name 2.1. Classification Name: System Mammographic Classification Number: 901ZH 2.2. Trade/Proprietary Name: Giotto HT ' 2.3. Predicate Device: Giotto HF (DC K901558) 3. Device Description 3.1. Function The Giotto HT is a conventional film-screen x-ray mammographic device. This device is des…
Medical Device Marketing Network, Inc.1990—

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K012953Giotto ImageMedx, Inc.20011

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, K012953 (Medx, Inc., 2001) has gone furthest, with 1 descendant of its own.

How does its category compare?

All IZH devices

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

FDA decisions per year · IZH

1in 2021

2007: 32008: 12010: 22011: 12012: 22013: 22015: 12016: 32019: 12020: 12021: 1
2007high 3 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IZH

64in 2016

2007: 30 days median2016: 64 days median
2007high 64 (2016) · low 30 (2007)2026

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

Recalls per year · IZH

2in 2008

2008: 2
2007high 2 (2008) · low 0 (2007)2026

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

Adverse event reports per year · IZH

15in 2025

2007: 112008: 52009: 142010: 72011: 52012: 182013: 92014: 72015: 82016: 92017: 122018: 252019: 392020: 72021: 92022: 42023: 82024: 52025: 15
2007high 39 (2019) · low 4 (2022)2025

MAUDE reports naming product code IZH, 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
2007330011
20081—25
20090—014
20102—07
20111—05
20122—018
20132—09
20140—07
20151—08
201636409
20170—012
20180—025
20191—039
20201—07
20211—09
20220—04
20230—08
20240—05
20250—015
20260—0—

What is it indicated for?

The Qiotto AT is intended to pravide film-screen X-ray imaging of the breast and other soft-tissue organs that can be imaged on a 18 x 24cm or 24 x 30cm film. With optional accessories the Giotto HT can alsoc be used as the imaging device for sterotactic needle biopsy.

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. “K973856: Giotto HT.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K973856

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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