Devices descending from K891022
12 later devices reach Introducer for Ptca Guiding Catheters through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K963388 | Vessel Dilator | Maxxim Medical | 1997 | 11 | — |
| +2 | K093554 | Retroflex Dilator Kit | Edwards Lifesciences, LLC | 2010 | 2 | — |
| +2 | K070749 | Estech Percutaneous Insertion Dilator Kit | Coombs Medical Device Consulting | 2007 | 10 | — |
| +3 | K123842 | Lawmax Dilator | Lifetech Scientific (Shenzhen) Co., Ltd. | 2013 | 1 | — |
| +3 | K091542 | Estech Easyflow Cannula with Guidewire | Endoscopic Technologies, Inc. D/B/A Estech | 2009 | 1 | — |
| +3 | K081940 | Avalon Elite Vascular Access Kit | Avalon Laboratories, LLC | 2008 | 4 | 1 |
| +4 | K250610 | Easyflow (103-200; 103-300); Easyflow Duo (103-210; 103-310) | Sorin Group Italia S.R.L. | 2025 | 0 | — |
| +4 | K182914 | MC3 Vascular Access Kit 21030 | Mc3 Incorporated | 2018 | 0 | — |
| +4 | K170616 | van Andel Dilatation Catheter | Cook Incorporated | 2017 | 0 | — |
| +4 | K162181 | Protek Duo Venous Dilator Set, Protek Solo Venous Dilator Set | Cardiacassist, Inc. | 2017 | 1 | 1 |
| +4 | K120349 | Sonixgps Vascular Access Needle Kit | Ultrasonix Medical Corpation | 2012 | 0 | — |
| +5 | K253616 | ProtekDilate Vascular Access Kit | Sorin Group Italia S.R.L. | 2025 | 0 | — |