# K990683: Axon MP-1 Micropositioner

- Pathway: 510(k) (Traditional)
- Applicant: Axon Instruments, Inc.
- Decided: Nov 3, 1999 after 245 days
- Product code: HAW (Neurological Stereotaxic Instrument)
- Device class: 2
- Regulation: 21 CFR 882.4560
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K811452 (1981). 1 ancestor in all.
2 later devices descend from it; 1 cites it directly.
1 of 4 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K811452: Brown-Roberts-Wells Stereotaxic Sytem, Trent Wells, Inc. (1981) Summary page 2.
- (no number) Semi-Micro-Electrode Kit: named in the summary without a submission number

## Most influential descendants
- K011775: Micro Targeting Drive System (2001), 1 descendant of its own
- K040979: Elekta Microdrive, Model 916716 (2004), 0 descendants of its own

## Indications for use
The indications for use of the Guideline System 3000 MP-1 Micropositioner are for procedures where a precise placement of probes, such as those used for electrophysiological recording and stimulation, lesioning, or chronic stimulation within the nervous system is required.

Source page: https://510kreport.com/device/K990683
Methodology: https://510kreport.com/methodology