510(k) Report

510(k) · Cleared

Cleared

Medrad Vistron CT Injector System

K991557510(k) SpecialCleared Jul 21, 199978-day reviewClass II21 CFR 870.1650

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

Medrad, Inc. · DXT Injector And Syringe, Angiographic

Cleared on Jul 21, 1999 as substantially equivalent to K982814 (Medrad, Inc., 1998) after a 78-day review. Its family tree reaches back 2 generations to 1995.

Decided
Jul 21, 1999
Review
78 days
Class
Class II
Product code
DXT
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K934086 (1995). No later device cites it as a predicate yet.

  1. Root · 2 generations backK934086 Medrad Envision CT Injector and Qwik Fit SyringeMedrad, Inc. · 1995
  2. 1 generation backK982814 Medrad Vistron CT Injector SystemMedrad, Inc. · 1998
  3. This deviceK991557 Medrad Vistron CT Injector SystemMedrad, Inc. · 1999
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K934086Medrad Envision CT Injector and Qwik Fit SyringeMedrad, Inc.1995—
−1K982814Medrad Vistron CT Injector SystemMedrad, Inc.1998—
0 (this device)K991557Medrad Vistron CT Injector SystemMedrad, Inc.1999—
FIG. 1 — Lineage of K991557, 1995–1999Source: 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 DXT? 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 DXT device

  1. #1 K253048 High Pressure Syringe; Pressure Connecting…score 13.6 · 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
*K982814Medrad Vistron CT Injector System
Summary page 1
…Angiographic Common/UsualName: Powered Injector with Syringe . Proprietary Name: Medrad Vistron CT Injection System Predicate Device: Medrad Vistron CT Injection System (K982814) Medrad, Inc. One Medrad Drive indiancla, PA 15051-0780 (412) 767-2400 - Device Description: Technical Description The Medra…
Medrad, Inc.1998—

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 4 years and passes through 1 company; a new generation was cleared every 3.3 years on median.
  • None of the 2 ancestors has a recall.

How does its category compare?

All DXT devices

DXT Injector And Syringe, Angiographic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DXT

1in 2025

2007: 32008: 22009: 62010: 12011: 42013: 22014: 62015: 72016: 82017: 72018: 92019: 42020: 32021: 12023: 12024: 42025: 12026 (partial year): 7
2007high 9 (2018) · low 0 (2012)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXT

138in 2024

2007: 182 days median2009: 137 days median2011: 69 days median2014: 144 days median2015: 153 days median2016: 172 days median2017: 183 days median2018: 93 days median2019: 96 days median2020: 154 days median2024: 138 days median2026 (partial year): 264 days median
2007high 264 (2026) · low 69 (2011)2026

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

Recalls per year · DXT

10in 2024

2007: 42008: 32009: 72010: 32011: 32012: 72015: 12018: 22020: 12021: 12023: 22024: 102026 (partial year): 6
2007high 10 (2024) · low 0 (2013)2026

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

Adverse event reports per year · DXT

97in 2025

2007: 1072008: 1682009: 1882010: 1242011: 1332012: 1352013: 1412014: 972015: 1352016: 1522017: 1282018: 1292019: 1212020: 932021: 1322022: 1112023: 1172024: 1182025: 97
2007high 188 (2009) · low 93 (2020)2025

MAUDE reports naming product code DXT, 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
200731824107
20082—3168
200961377188
20101—3124
20114693133
20120—7135
20132—0141
20146144097
201571531135
201681720152
201771830128
20189932129
20194960121
20203154193
20211—1132
20220—0111
20231—2117
2024413810118
20251—097
202672646—

What is it indicated for?

The Vistron CT Injection System is a syringe-based fluid delivery system indicated for delivery of contrast media during computed tomography applications. It is intended to be used for the specific purpose of injecting intravenous contrast medium into the human vascular system for diagnostic studies in computed tomography.

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. “K991557: Medrad Vistron CT Injector System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K991557

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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