510(k) Report

510(k) · Cleared

Cleared

GDC Patient Return Electtrode Model 45021

K963307510(k) TraditionalCleared Dec 17, 1996117-day reviewClass II21 CFR 882.5950

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

Target Therapeutics · HCG Device, Neurovascular Embolization

Cleared on Dec 17, 1996 as substantially equivalent to K851522 (Sentry Medical Products, Inc., 1985) and 2 other predicates after a 117-day review. Its family tree reaches back 1 generation to 1985.

Decided
Dec 17, 1996
Review
117 days
Class
Class II
Product code
HCG
Recalls
None
Predicates
3

Its longest line of descent runs back 1 generation to K851522 (1985). 3 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1995: 1 other ancestor1986: 1 other ancestorK851522 · Diagnostic Ecg Disposable Electrode · Sentry Medical Products, Inc. · 19851986198819901992199419961998
Other ancestors, by generation 1 generation back: 2 other ancestors K851522 · Diagnostic Ecg Disposable Electrode · Sentry Medical Products, Inc. · 19850
  1. Root · 1 generation backK851522 Diagnostic Ecg Disposable ElectrodeSentry Medical Products, Inc. · 1985
  2. This deviceK963307 GDC Patient Return Electtrode Model 45021Target Therapeutics · 1996
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K851522Diagnostic Ecg Disposable ElectrodeSentry Medical Products, Inc.1985—
0 (this device)K963307GDC Patient Return Electtrode Model 45021Target Therapeutics1996—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198610
199510
FIG. 1 — Lineage of K963307, 1985–1996Source: 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 HCG? 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 HCG device

  1. #1 K252700 Optima Coil System (Optima Packing Coil System)score 20.6 · 26 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? (3)

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
*K851522Diagnostic Ecg Disposable Electrode
Summary page 1
…de is indicated for use only with Target Therapeutics GDC System as the patient return electrode. PRED DEVICE: Product Design: Silver Sircuit™, Sentry Medical Products K851522 Indications for Use: Polyhesive® II, Valleylab, Inc K861036 Functional Performance: Hypodermic Needle, Target Therapeutics K95125…
Sentry Medical Products, Inc.1985—
*K861036E7509 Polyhesive II Patient Return Electrode
Summary page 1
…stem as the patient return electrode. PRED DEVICE: Product Design: Silver Sircuit™, Sentry Medical Products K851522 Indications for Use: Polyhesive® II, Valleylab, Inc K861036 Functional Performance: Hypodermic Needle, Target Therapeutics K951256 Patient Return Electrode Page 10 of 53 510(K) === Page…
Valleylab, Inc.1986—
*K951256Detachable Platinum Coil (Guglielmi Detachable Coil, GDC)
Summary page 1
…e (PRE) is a single use, disposable, non-sterile electrode. The PRE is intended to be used as an alternative patient return electrode for Target Therapeutics GDC system (K951256 & K960705). A hypodermic needle is currently used as the patient return electrode. The PRE is applied to the skin on the patient'…
Target Therapeutics1995—

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?

  • None of the 3 ancestors has a recall.

How does its category compare?

All HCG devices

HCG Device, Neurovascular Embolization: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HCG

3in 2025

2007: 82008: 92009: 72010: 82011: 92012: 72013: 72014: 52015: 52016: 72017: 52018: 42019: 12020: 22021: 52022: 32023: 22024: 42025: 32026 (partial year): 4
2007high 9 (2008) · low 1 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HCG

107in 2025

2007: 50 days median2008: 71 days median2009: 48 days median2010: 72 days median2011: 78 days median2012: 30 days median2013: 67 days median2014: 66 days median2015: 60 days median2016: 37 days median2017: 97 days median2018: 173 days median2021: 103 days median2022: 114 days median2024: 49 days median2025: 107 days median2026 (partial year): 30 days median
2007high 173 (2018) · low 30 (2012)2026

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

Recalls per year · HCG

1in 2025

2007: 12008: 32010: 22011: 12013: 22014: 42022: 22024: 12025: 1, 1 Class I2026 (partial year): 1
2007high 4 (2014) · low 0 (2009)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · HCG

537in 2025

2007: 3262008: 7302009: 8212010: 8512011: 8942012: 1,1462013: 1,1032014: 1,7292015: 1,5982016: 1,9912017: 2,4942018: 2,0582019: 1,7632020: 1,7542021: 2,2682022: 6632023: 5682024: 5522025: 537
2007high 2,494 (2017) · low 326 (2007)2025

MAUDE reports naming product code HCG, 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
20078501326
20089713730
20097480821
20108722851
20119781894
201273001,146
201376721,103
201456641,729
201556001,598
201673701,991
201759702,494
2018417302,058
20191—01,763
20202—01,754
2021510302,268
202231142663
20232—0568
20244491552
202531071 (1)537
20264301—

What is it indicated for?

The Patient Return Electrode is indicated for use only with Target Therapeutics GDC System as the patient return electrode.

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. “K963307: GDC Patient Return Electtrode Model 45021.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K963307

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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