Devices descending from K000309
22 later devices reach Blastocyst Freeze Medium, Blastocyst Thaw Medium through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K032154 | G-Freezekit Blast | Vitrolife AB | 2004 | 20 | — |
| +1 | K032155 | G-Thawkit Blast | Vitrolife AB | 2004 | 20 | — |
| +2 | K073522 | Vitrification Kit & Vitrification Warming Kit | Sage In-Vitro Fertilization, Inc. | 2008 | 19 | — |
| +3 | K170560 | SAGE Vitrification Kit and SAGE Vitrification Warming Kit | CooperSurgical, Inc. | 2017 | 0 | — |
| +3 | K093273 | Vit Kit - Freeze and Thaw | Irvine Scientific Sales Co., Inc. | 2010 | 17 | — |
| +4 | K160864 | Cryotop Vitrification Kit and Cryotop Thawing Kit | Kitazato Biopharma Co., Ltd. | 2016 | 1 | — |
| +4 | K160006 | Vit Kit-Freeze Oocytes, Embryos and PN zygotes Vitrification Freeze Kit, Vit Kit-Thaw… | Irvine Scientific | 2016 | 14 | 2 |
| +5 | K183486 | RapidVit™ Oocyte, RapidWarm™ Oocyte | Vitrolife Sweden AB | 2019 | 0 | — |
| +5 | K190152 | Vit Kit- Freeze NX and Vit Kit- Warm NX | Fujifilm Irvine Scientific, Inc. | 2019 | 2 | — |
| +5 | K180073 | Vitavitro Vitrification Kit, Vitavitro Warming Kit, and Vitavitro Straw Set | Shenzhen Vitavitro Bio-Tech Co., Ltd. | 2018 | 0 | — |
| +5 | K173731 | SAGE Vitrification Kit (ART-8025 and ART-8026) / SAGE Vitrification Warming Kit… | CooperSurgical, Inc. | 2018 | 1 | — |
| +5 | K171748 | Vitrification Kit and Thawing Kit | Kitazato Corporation | 2017 | 7 | — |
| +6 | K254261 | Vitrification Freeze Kit and Thawing Kit (CS-IVF-FK; CS-IVF-TK) | Cell Store (Beijing) Biotechnology CO., LTD. | 2026 | 0 | — |
| +6 | K250445 | Fast Warm - NX | Fujifilm Irvine Scientific | 2025 | 0 | — |
| +6 | K251305 | Ultra-Fast Vitri; Ultra-Fast Warm | Kitazato Corporation | 2025 | 1 | — |
| +6 | K242561 | Dewin Reproductive Media (Dewin Vitrification Kit, Dewin Thawing Kit) | Donnevie Medical Technology (Shanghai) Co., Ltd. | 2025 | 0 | — |
| +6 | K242089 | Vitrification Freeze Kit (RFD-0101) Vitrification Thaw Kit (RFD-0201, RFD-0202) | Jiangsu Ruifuda Medical Device Co., Ltd. | 2025 | 0 | — |
| +6 | K240176 | V-VITFREEZE and V-VITWARM | Vitromed GmbH | 2024 | 0 | — |
| +6 | K233846 | Vitrification Solution Set and Warming Solution Set | Ecmpc, LLC | 2024 | 0 | — |
| +6 | K233477 | Cryo-straw (Type I, Type III); Warming Kit (A-4ML, B-8ML); Vitrification Kit (A-3ML… | Shandong Wego Ruisheng Medical Device Co., Ltd. | 2024 | 0 | — |
| +6 | K223265 | CryoX Vitrification Freeze Kit / Thaw Kit | Zhejiang Horizon Medical Technology Co., Ltd. | 2023 | 0 | — |
| +7 | K260248 | Ultra-Fast Warm | Kitazato Corporation | 2026 | 0 | — |