# K992305: Medi-Stim Butterfly Flowmeter, Model BF1000-BF2004

- Pathway: 510(k) (Traditional)
- Applicant: Medi-Stim A/S
- Decided: Sep 8, 1999 after 62 days
- Product code: ITX (Transducer, Ultrasonic, Diagnostic)
- Device class: 2
- Regulation: 21 CFR 892.1570
- 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 K872048 (1988). 1 ancestor in all.
4 later devices descend from it; 2 cite it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K872048: Transonic Flowmeter, Transonic Systems, Inc. (1988) Summary page 1.

## Most influential descendants
- K040228: Medi-Stim Veriq System, Model VQ1001 - VQ4122 (2004), 2 descendants of its own
- K112657: Aureflo Monitoring System (2011), 0 descendants of its own
- K102595: Medistim Veriqc System (2010), 0 descendants of its own
- K050088: Quantix/or Blood Flow Monitor; Flexible Probe with Optional Vessel Stabilizer (2005), 0 descendants of its own

## Indications for use
It is intended for accurate transit time blood volume flow measurements during cardiovascular, vascular and transplantation surgery.

Source page: https://510kreport.com/device/K992305
Methodology: https://510kreport.com/methodology