# K032155: G-Thawkit Blast

- Pathway: 510(k) (Traditional)
- Applicant: Vitrolife AB
- Decided: May 7, 2004 after 298 days
- Product code: MQL (Media, Reproductive)
- Device class: 2
- Regulation: 21 CFR 884.6180
- 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 K000309 (2000). 1 ancestor in all.
20 later devices descend from it; 1 cites it directly.
0 of 22 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K000309: Blastocyst Freeze Medium, Blastocyst Thaw Medium, Irvine Scientific Sales Co., Inc. (2000) Summary page 1.

## Most influential descendants
- K073522: Vitrification Kit & Vitrification Warming Kit (2008), 19 descendants of its own
- K093273: Vit Kit - Freeze and Thaw (2010), 17 descendants of its own
- K160006: Vit Kit-Freeze Oocytes, Embryos and PN zygotes Vitrification Freeze Kit, Vit Kit-Thaw Oocytes, Embryos and PN zygotes Vitrification Thaw Kit (2016), 14 descendants of its own
- K171748: Vitrification Kit and Thawing Kit (2017), 7 descendants of its own
- K190152: Vit Kit- Freeze NX and Vit Kit- Warm NX (2019), 2 descendants of its own

## Indications for use
Media for thawing of blastocyst stage embryos

Source page: https://510kreport.com/device/K032155
Methodology: https://510kreport.com/methodology