U.S. patent number RE42,756 [Application Number 11/377,894] was granted by the patent office on 2011-09-27 for endovascular electrolytically detachable wire and tip for the formation of thrombus in arteries, veins, aneurysms, vascular malformations and arteriovenous fistulas. This patent grant is currently assigned to The Regents of the University of California. Invention is credited to Guido Guglielmi, Ivan Sepetka.
United States Patent | RE42,756 |
Guglielmi , et al. | September 27, 2011 |
An artery, vein, aneurysm, vascular malformation or arterial fistula is occluded through endovascular occlusion by the endovascular insertion of a platinum wire and/or tip into the vascular cavity. The vascular cavity is packed with the tip to obstruct blood flow or access of blood in the cavity such that the blood clots in the cavity and an occlusion if formed. The tip may be elongate and flexible so that it packs the cavity by being folded upon itself a multiple number of times, or may pack the cavity by virtue of a filamentary or fuzzy structure of the tip. The tip is then separated from the wire mechanically or by electrolytic separation of the tip from the wire. The wire and the microcatheter are thereafter removed leaving the tip embedded in the thrombus formed within the vascular cavity. Movement of wire in the microcatheter is more easily tracked by providing a radioopaque proximal marker on the microcatheter and a corresponding indicator marker on the wire. Electrothrombosis is facilitate by placing the ground electrode on the distal end of the microcatheter and flowing current between the microcatheter electrode and the tip.
Inventors: | Guglielmi; Guido (Rome, IT), Sepetka; Ivan (Los Altos, CA) |
---|---|
Assignee: | The Regents of the University of
California (Oakland, CA) |
Family ID: | 27502012 |
Appl. No.: | 11/377,894 |
Filed: | March 15, 2006 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
08801795 | Feb 14, 1997 | 5855578 | |||
08485821 | Jun 6, 1995 | ||||
08311508 | Sep 23, 1994 | 5540680 | |||
07840211 | Feb 24, 1992 | 5354295 | |||
07492717 | Mar 13, 1990 | 5122136 | |||
Reissue of: | 08944582 | Oct 6, 1997 | 5925037 | Jul 20, 1999 | |
Current U.S. Class: | 606/32; 606/108; 606/41; 606/191 |
Current CPC Class: | A61M 25/09 (20130101); A61B 17/12145 (20130101); A61B 17/12022 (20130101); A61B 17/12172 (20130101); A61B 17/12113 (20130101); A61B 17/1214 (20130101); A61B 18/1492 (20130101); A61B 17/1215 (20130101); A61B 2018/00761 (20130101); A61B 2018/00875 (20130101); A61B 2018/1495 (20130101); A61B 2090/3966 (20160201); A61B 18/1402 (20130101); A61B 2018/00886 (20130101); A61B 2018/00678 (20130101); A61B 2017/12054 (20130101); A61B 2018/126 (20130101); A61M 2025/09175 (20130101); A61B 90/39 (20160201); A61B 2017/12063 (20130101); A61B 2018/1435 (20130101); A61B 2017/00292 (20130101); A61B 2017/22038 (20130101); A61B 2018/1226 (20130101); A61B 2018/1266 (20130101); A61B 2018/1253 (20130101); A61B 2017/12095 (20130101) |
Current International Class: | A61B 17/00 (20060101); A61B 18/08 (20060101) |
Field of Search: | ;606/32,41,108,191,49,28,200 ;600/569,585 ;623/1.1 ;604/104 ;607/122 |
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