510(k) · Cleared
ClearedNBD Head Screw
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
New Business Development, LLC · HAW Neurological Stereotaxic Instrument
Cleared on Apr 7, 2005 as substantially equivalent to K972324 (Elekta Instrument AB, 1998) after a 51-day review. Its family tree reaches back 2 generations to 1990.
- Decided
- Apr 7, 2005
- Review
- 51 days
- Class
- Class II
- Product code
- HAW
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 2 generations to K892425 (1990). 3 ancestors in all. No later device cites it as a predicate yet.
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K892425 | STP Complete Module Set | Leibinger & Fischer, Ltd. | 1990 | — |
| −1 | K972324 | Leksell Stereotactic System | Elekta Instrument AB | 1998 | 1 |
| 0 (this device) | K050377 | NBD Head Screw | New Business Development, LLC | 2005 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1995 | 1 | 0 |
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 HAW? 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 HAW device
- #1 K253856 Geniant Cranial (Navigated Neurosurgical…score 15.0 · 11 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (4)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K972324 | Leksell Stereotactic SystemSummary page 2…r this device. Substantial Equivalence: The NBD Head Screw is similar in intended use, material, safety, and ef- ficacy to the Elekta Stereotactic head screw accessory, K972324, as well as accessories currently in commercial distribution by Radionics and Leibinger, and Ohio Medical Instruments.… | 1998 |
| * | — | Radionics accessories Named without a submission number | |
| * | — | Leibinger accessories Named without a submission number | |
| * | — | Ohio Medical Instruments accessories Named without a submission number |
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 15 years and passes through 3 companies; a new generation was cleared every 7.9 years on median.
- 1 of the 3 ancestors has a recall of any class.
- 2 other devices also cite its predicate K972324.
How does its category compare?
All HAW devicesHAW Neurological Stereotaxic Instrument: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · HAW
9in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · HAW
163in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HAW
2in 2025
Class I (9 since 2007) Class II/III not classified
Adverse event reports per year · HAW
3,425in 2025
MAUDE reports naming product code HAW, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 15 | 107 | 2 | 49 |
| 2008 | 12 | 112 | 10 | 53 |
| 2009 | 8 | 221 | 6 | 96 |
| 2010 | 6 | 138 | 28 | 299 |
| 2011 | 4 | 66 | 5 | 1,725 |
| 2012 | 8 | 178 | 4 | 986 |
| 2013 | 3 | 172 | 6 (1) | 1,290 |
| 2014 | 5 | 238 | 5 | 1,606 |
| 2015 | 10 | 232 | 3 | 1,767 |
| 2016 | 9 | 175 | 5 | 1,828 |
| 2017 | 7 | 226 | 2 | 3,505 |
| 2018 | 6 | 112 | 2 (2) | 4,439 |
| 2019 | 10 | 147 | 4 (1) | 6,062 |
| 2020 | 5 | 88 | 1 | 3,480 |
| 2021 | 9 | 168 | 4 (2) | 2,827 |
| 2022 | 7 | 128 | 1 | 1,929 |
| 2023 | 14 | 142 | 4 (1) | 2,510 |
| 2024 | 7 | 107 | 2 (2) | 3,755 |
| 2025 | 9 | 163 | 2 | 3,425 |
| 2026 | 5 | 162 | 6 | — |
What is it indicated for?
The NBD Head Screws are an accessory that is intended to support the head frame in stereotactic procedures. The head frames are supported by either a three point-of-contact or four point-of-contact position depending on the frame.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K050377 · printed Nov 6, 2026
Cite this page
510(k) Report. “K050377: NBD Head Screw.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K050377
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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