# K932807: Mayfield* a-2000 Skull Clamp

- Pathway: 510(k) (Traditional)
- Applicant: Ohio Medical Instrument Co., Inc.
- Decided: Sep 28, 1993 after 111 days
- Product code: HBL (Holder, Head, Neurosurgical (Skull Clamp))
- Device class: 2
- Regulation: 21 CFR 882.4460
- Recalls of this device: 1 (0 Class I)
- 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; 2 cite it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K083803: Fixit Headrest Clamp System (2010), 0 descendants of its own
- K090695: Dinkler Surgical Skull Clamp, Model 0308 (2009), 0 descendants of its own

## Recalls of this device
- Nov 11, 2020 · Class II · Z-0548-2021: Revised Instruction Manual to reflect the most accurate illustration for Mayfield Skull Clamp A2000 Position Diagram

Source page: https://510kreport.com/device/K932807
Methodology: https://510kreport.com/methodology