# K992721: Cosman Robert Wells Functional Probe Microdrive

- Pathway: 510(k) (Special)
- Applicant: Radionics, Inc.
- Decided: Sep 10, 1999 after 28 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
No predicates in its family tree.
2 later devices descend from it; 1 cites it directly.
1 of 3 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) Microdrive for Probes, an accessory for the Todd Wells Stereotaxic Guide: 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
For the precise depth control of probes during stereotactic neurosurgical procedures.

Source page: https://510kreport.com/device/K992721
Methodology: https://510kreport.com/methodology