Devices descending from K942231
33 later devices reach Microview II/Microrail II Catheters through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K974457 | Scout 3.2/45 MHZ Coronary Imaging Catheter, Scout 3.2/45 MHZ Coronary Imaging Catheter… | Hewlett-Packard Co. | 1998 | 32 | — |
| +2 | K050995 | Revolution 45 MHZ Rotational Ivus Imaging Catheter | Volcano Corporation | 2005 | 31 | — |
| +3 | K172258 | Novasight Hybrid System | Conavi Medical, Inc. | 2018 | 1 | Class I |
| +3 | K080891 | Revolution 45MHZ Ivus Imaging Catheter | Volcano Corporation | 2008 | 3 | — |
| +3 | K071554 | Volcano S5/S5I Intravascular Imaging and Pressure System | Volcano Corporation | 2008 | 28 | 2 |
| +4 | K252945 | Novasight Hybrid System | Conavi Medical, Inc. | 2026 | 0 | — |
| +4 | K160583 | REFINITY Rotational IVUS Catheter, REFINITY Rotational IVUS Catheter, Short Tip | Volcano Corporation | 2016 | 0 | 2 |
| +4 | K122826 | Preview Forward-Looking Ivus Catheter and Laptop System; Preview Catheter Model 87000… | Volcano Corporation | 2013 | 1 | — |
| +4 | K082229 | S5/S5I Series Intravascular Imaging and Pressure System, Combomap Pressure and Flow System | Volcano Corporation | 2008 | 25 | 3 |
| +5 | K132659 | Volcano Preview Forward-Looking Ivus System | Volcano Corporation | 2013 | 0 | — |
| +5 | K111706 | Volcano S5IINTRAVASCULAR Imaging and Pressure System | Volcano Corporation | 2011 | 24 | 1 |
| +6 | K123898 | Volcano S5/S5I Intravascular Ultrasound Imaging and Pressure System | Volcano Corporation | 2013 | 21 | 10 |
| +6 | K113486 | Volcano S5I Intravascular Ultracound Imaging and Pressure System | Volcano Corporation | 2012 | 2 | — |
| +7 | K133323 | Volcano Ifr Modality | Volcano Corporation | 2014 | 18 | — |
| +7 | K133142 | Volcano Lomap,Volcano Lomap Option Kit for Mobile System,Volcano Lomap Option for… | Volcano Corporation | 2013 | 0 | — |
| +8 | K183320 | Ilumien Optis, Optis Integrated, Optis Mobile | St. Jude Medical (Now Abbott Medical) | 2019 | 2 | — |
| +8 | K183099 | QUANTIEN Measurement System | St. Jude Medical (Now Abbott Medical) | 2019 | 3 | — |
| +8 | K173860 | s5 Intravascular Ultrasound Imaging and Pressure Systems, s5i Intravascular Ultrasound… | Volcano Corporation | 2018 | 4 | — |
| +8 | K153369 | SW v3.5 Install Kit, CORE Mobile, SW v3.5 Install Kit, CORE, SW v3.5 Install Kit, s5iz | Volcano Corporation | 2015 | 2 | — |
| +8 | K150441 | Volcano iFR Modality, iFR Scout feature | Volcano Corporation | 2015 | 9 | — |
| +8 | K143122 | Volcano iFR Harvest Software (Offline) | Volcano Corporation | 2015 | 0 | — |
| +9 | K252238 | CoroFlow Cardiovascular System | Coroventis Research AB | 2025 | 0 | — |
| +9 | K233948 | Provisio™ SLT IVUS™ System | Provisio Medical, Inc. | 2024 | 0 | — |
| +9 | K232386 | ILUMIEN™ OPTIS™ System, OPTIS™ Integrated System, OPTIS™ Mobile System, with AptiVue™… | Abbott Medical | 2023 | 0 | — |
| +9 | K220243 | Ultiri Measurement System | Abbott Medical | 2022 | 0 | — |
| +9 | K201881 | CoroFlow Cardiovascular System | Coroventis Research AB | 2020 | 1 | — |
| +9 | K192267 | ILUMIEN System with AptiVue Software version D.3 | Abbott Medical | 2019 | 0 | — |
| +9 | K190078 | IntraSight | Volcano Corporation | 2019 | 2 | — |
| +9 | K172455 | CORE M2 Vascular System, CORE M2 Software v4.2 Upgrade Kit, CORE M2 Software v4.2… | Volcano Corporation | 2017 | 0 | 1 |
| +9 | K170133 | FFR V2.5 | Philips Volcano | 2017 | 5 | 1 |
| +9 | K170385 | CORE M2 Vascular System | Volcano Corporation | 2017 | 1 | — |
| +10 | K253714 | IntraSight Plus | Philips Image Guided Therapy Corporation | 2026 | 0 | 1 |
| +10 | K203719 | IntraSight Mobile | Volcano Corporation | 2021 | 0 | 1 |