Devices descending from K050503
28 later devices reach Single Use Aspiration Needle NA-201SX-4022 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K160098 | Single Use Aspiration Needle NA-U401SX | Olympus Medical Systems Corp. | 2016 | 1 | 2 |
| +1 | K151315 | Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle | Boston Scientific Corporation | 2015 | 3 | — |
| +1 | K151895 | Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle | Boston Scientific Corporation | 2015 | 0 | — |
| +1 | K142909 | Flexible 19G EBUS Needle | Spiration, Inc. | 2015 | 7 | — |
| +1 | K093195 | Echotip Ultra Endobronchial High Definition Ultasound Needle, Model: Echo-HD-22-Ebus-O | Cook Ireland, Ltd. | 2010 | 8 | — |
| +1 | K091257 | Medi-Globe Sonotip II Ebus-Tbna Needle System | Medi-Globe Corporation | 2009 | 3 | — |
| +2 | K180668 | Single Use Aspiration Needle NA-U401SX-4025/NA-U401SX-4025N | Olympus Medical Systems Corp. | 2018 | 0 | — |
| +2 | K163248 | Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle | Boston Scientific Corporation | 2017 | 2 | — |
| +2 | K160229 | Echotip Ultra Endobronchial High Definition Ultrasound Needle, Echotip Procore… | Cook Ireland, Ltd. | 2016 | 7 | — |
| +2 | K152922 | ViziShot FLEX | Spiration, Inc. | 2016 | 6 | — |
| +2 | K133763 | Sonotip Pro and Pro Flex Ebus-Tbna Needle System | Medi-Globe Corporation | 2014 | 2 | — |
| +3 | K250145 | Biopsy Port Adapter | Endosound, Inc. | 2025 | 0 | — |
| +3 | K231267 | ClearTip | Finemedix Co., Ltd. | 2023 | 1 | — |
| +3 | K210476 | EchoTip Ultra Endoscopic Ultrasound Needle, EchoTip ProCore HD Ultrasound Biopsy Needle… | Cook Ireland, Ltd. | 2021 | 2 | 1 |
| +3 | K193517 | ViziShot 2 FLEX | Olympus Surgical Technologies America | 2020 | 2 | Class I |
| +3 | K183085 | CoreDx™ Pulmonary Mini-Forceps | Boston Scientific Corporation | 2019 | 0 | — |
| +3 | K171956 | Sterile Endoscope Biopsy Sampling Needle | Changzhou Detain Medical Devices Co., Ltd. | 2017 | 0 | — |
| +3 | K163469 | ViziShot 2 FLEX | Olympus Surgical Technologies America | 2017 | 5 | — |
| +4 | K261274 | EchoTip Ultra® Endobronchial HD Ultrasound Biopsy Needle for Fujifilm Scopes; EchoTip… | Cook Ireland, Ltd. | 2026 | 0 | — |
| +4 | K251402 | LIA-1 Catheter (542-1) | Leadoptik, Inc. | 2025 | 0 | — |
| +4 | K250994 | ClearTip FNA and FNB Types | Finemedix Co., Ltd. | 2025 | 0 | — |
| +4 | K241209 | EchoTip AcuCore™ EUS Biopsy Needle (ECHO-BX-19) | Cook Ireland, Ltd. | 2024 | 0 | — |
| +4 | K230909 | EchoTip® AcuCore™ Ultrasound Biopsy Needle (ECHO-BX-3-22) | Cook Ireland, Ltd. | 2023 | 1 | — |
| +4 | K213060 | AreusTM Endobronchial Ultrasound Aspiration Needle, TridentTM Endobronchial Ultrasound… | Micro-Tech (Nanjing) Co., Ltd. | 2022 | 1 | — |
| +4 | K190239 | Single Use Aspiration Needle | Olympus Medical Systems Corp. | 2019 | 2 | — |
| +5 | K251478 | ClearTip TBNA Type | Finemedix Co., Ltd. | 2026 | 0 | — |
| +5 | K251664 | Single Use Aspiration Needle (NA-201SX-4021); Single Use Aspiration Needle (NA-201SX-4022) | Olympus Medical Systems Corporation | 2025 | 0 | — |
| +5 | K230778 | EndoCore | Praxis Medical, LLC | 2023 | 0 | — |