# K260572: Marrow Marxman

- Pathway: 510(k) (Traditional)
- Applicant: Medimetrix, LLC
- Decided: Aug 4, 2026 after 166 days
- Product code: KNW (Instrument, Biopsy)
- Device class: 2
- Regulation: 21 CFR 876.1075
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 10 generations back to K871390 (1987). 34 ancestors in all.
No later device cites it as a predicate yet.
1 of 35 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K223612: Ranfac Lateral Access Bone Marrow Aspiration Needle (CRVS-BMA-LA), Ranfac Corporation (2023) Summary page 5.
- K150563: Marrow Cellution Bone Marrow Aspiration Needle, Ranfac, Corp. (2015) Summary page 6.
- K202287: Ran-Flex-B Bone Marrow Aspiration Needle, Ranfac Corporation (2020) Summary page 6.
- K131157: Ranfac Bone Marrow Aspiration Needle, Ranfac, Corp. (2013) Summary page 6.

## Indications for use
The Marrow Marxman is intended for aspiration of bone marrow or autologous blood using a standard piston syringe.

Source page: https://510kreport.com/device/K260572
Methodology: https://510kreport.com/methodology