510(k) Report

510(k) · Cleared

Cleared

Varioguide Drill Kit

K132436510(k) TraditionalCleared Mar 20, 2014227-day reviewClass II21 CFR 882.4310

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

Mri Interventions, Inc. · HBE Drills, Burrs, Trephines & Accessories (Simple, Powered)

Cleared on Mar 20, 2014 as substantially equivalent to K122456 (Mri Interventions, Inc., 2013) after a 227-day review. Its family tree reaches back 2 generations to 1996.

Decided
Mar 20, 2014
Review
227 days
Class
Class II
Product code
HBE
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K961113 (1996). No later device cites it as a predicate yet.

  1. Root · 2 generations backK961113 CNS Interchangeable Bit Cranial DrillClinical Neuro Systems, LLC · 1996 · Recalled
  2. 1 generation backK122456 Mrii Crainial DrillMri Interventions, Inc. · 2013
  3. This deviceK132436 Varioguide Drill KitMri Interventions, Inc. · 2014
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K961113CNS Interchangeable Bit Cranial DrillClinical Neuro Systems, LLC199639
−1K122456Mrii Crainial DrillMri Interventions, Inc.2013—
0 (this device)K132436Varioguide Drill KitMri Interventions, Inc.2014—
FIG. 1 — Lineage of K132436, 1996–2014Source: 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 HBE? 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 HBE device

  1. #1 K251433 Surgify Halo (54.085.SHD.H1); Surgify Halo…score 13.1 · 10 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
*K122456Mrii Crainial Drill
Summary page 1
…Reg'ulation Number:] 882.43 10- Product Code: IJIE 3. Predicate Device: MM1 Cranial Drill and accessories, K 122456 4. Intended Use Statement: The VarioGuide Drill Kit used in conjunction with BrainLab's VarioGuide…
Mri Interventions, Inc.2013—

Also cleared against K122456: 3 other devices →

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 18 years and passes through 2 companies; a new generation was cleared every 16.8 years on median.
  • 1 of the 2 ancestors has a recall of any class.
  • 3 other devices also cite its predicate K122456.

How does its category compare?

All HBE devices

HBE Drills, Burrs, Trephines & Accessories (Simple, Powered): FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

FDA decisions per year · HBE

6in 2025

2007: 22008: 22011: 22012: 12013: 12014: 22015: 32016: 22017: 22018: 22019: 52021: 62022: 22023: 22025: 62026 (partial year): 1
2007high 6 (2021) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HBE

30in 2025

2015: 155 days median2019: 133 days median2021: 193 days median2025: 30 days median
2007high 193 (2021) · low 30 (2025)2026

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

Recalls per year · HBE

1in 2024

2008: 472009: 72010: 232011: 12012: 262013: 42016: 72017: 32021: 12023: 32024: 12026 (partial year): 19
2007high 47 (2008) · low 0 (2007)2026

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

Adverse event reports per year · HBE

1,924in 2025

2007: 142008: 142009: 2422010: 4922011: 1,0132012: 1,1462013: 1,5832014: 5592015: 4832016: 8482017: 8482018: 7872019: 8362020: 1,0252021: 1,0472022: 9002023: 9482024: 1,1532025: 1,924
2007high 1,924 (2025) · low 14 (2007)2025

MAUDE reports naming product code HBE, 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
20072—014
20082—4714
20090—7242
20100—23492
20112—11,013
20121—261,146
20131—41,583
20142—0559
201531550483
20162—7848
20172—3848
20182—0787
201951330836
20200—01,025
2021619311,047
20222—0900
20232—3948
20240—11,153
202563001,924
20261—19—

What is it indicated for?

The VarioGuide Drill Kit used in conjunction with BrainLab's VarioGuide is intended for creating an access point in the skull during intracranial procedures. The device is not intended for implant. This device is intended for "single patient use only."

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K132436: Varioguide Drill Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K132436

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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