Devices descending from K012121
22 later devices reach Secureguard Retractable Safety Syringe through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K052397 | Careo Safety Syringe (3CC/ML, 5CC/ML, 10CC/ML) | Life-Shield Products, Inc. | 2005 | 3 | — |
| +1 | K051694 | Clickzip Needle Retractable Safety Syringe | Medical Device Manufacturer (Thailand), Ltd. | 2005 | 1 | — |
| +1 | K031594 | Bak'snap Duopro Safety Syring (Duopross) Safety'tray Allergy Safety Syringe Tray | M.K. Meditech Co., Ltd. | 2003 | 15 | — |
| +1 | K030976 | Careo Retractable Safety Syringe | Life-Shield Products, Inc. | 2003 | 4 | — |
| +2 | K191490 | Retractable Safety Syringe, Retractable Safety Insulin Syringe, Retractable Safety… | Jiangsu Caina Medical Co.,Ltd | 2019 | 0 | — |
| +2 | K062780 | Clickzip, Model U-100 Insulin Safety Syringe | Medical Device Manufacturer (Thailand), Ltd. | 2007 | 0 | — |
| +2 | K060208 | Careo Safety Syringe 1CC/ML, Models… | Life-Shield Products, Inc. | 2006 | 2 | — |
| +2 | K050131 | Insosafe Bak'snap Retractable Insulin Safety Syringe | M.K. Meditech Co., Ltd. | 2005 | 8 | — |
| +2 | K042500 | Duopross Syringes | Duopross Meditech Corporation | 2005 | 4 | — |
| +3 | K152808 | U&U Insulin Syringe with/without Safety Retractable Device | U&U Medical Technology Co, Ltd. | 2016 | 5 | — |
| +3 | K142436 | 3S Safety Insulin Syringe | Sincere Medical Device Co., Ltd. | 2015 | 0 | — |
| +3 | K072037 | Careo Safety Syringe for U-100 Insulin 0.5CC/ML | Life-Shield Products, Inc. | 2007 | 0 | — |
| +3 | K061055 | Careo Safety Syringe for U-100 Insulin | Life-Shield Products, Inc. | 2006 | 1 | — |
| +3 | K060211 | Wuzhou Syringe, with/Without Needle | Wenzhou Wuzhou Group Co., Ltd. | 2006 | 3 | — |
| +4 | K222925 | Hypodermic Syringes & Needle | Lifelong Meditech Private Limited | 2023 | 0 | — |
| +4 | K222124 | Sterile Hypodermic Syringe with/without Needle, Hypodermic Needle | Anhui Hongyu Wuzhou Medical Manufacturer Co., Ltd. | 2022 | 0 | — |
| +4 | K210103 | Safeway, Lifelong Premium, Lifelong Matrix | Lifelong Meditech Private Limited | 2021 | 0 | — |
| +4 | K202570 | Insulin Syringe, Insulin Syringe with Safety Retractable | Jiangsu Micsafe Medical Technology Co., Ltd. | 2021 | 2 | — |
| +4 | K191639 | TK Insulin Syringe with/without Saftey Retractable Device | Anhui Tiankang Medical Technology Co., Ltd. | 2020 | 0 | — |
| +4 | K193022 | Retractable Safety Insulin Syringe | Jiangsu Caina Medical Co.,Ltd | 2020 | 0 | — |
| +5 | K220061 | Safety Insulin Syringes | Berpu Medical Technology Co., Ltd. | 2022 | 1 | — |
| +6 | K230061 | Insulin Syringe | Anhui Hongyu Wuzhou Medical Manufacturer Co., Ltd. | 2023 | 0 | — |