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 Title: |
US5916235:
Apparatus and method for the use of detachable coils in vascular aneurysms and body cavities
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Guglielmi, Guido; Santa Monica, CA
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| Assignee: |
The Regents of the University of California, Oakland, CA
other patents from UNIVERSITY OF CALIFORNIA, THE REGENTS OF (599425) (approx. 4,840)
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| Published / Filed: |
1999-06-29
/ 1997-08-13
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| Application Number: |
US1997000910645
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| IPC Code: |
Advanced:
A61B 17/12;
A61B 17/22;
A61B 18/14;
A61B 17/00;
Core:
more...
IPC-7:
A61M 29/00;
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| ECLA Code: |
A61B18/14V; A61B17/12P; A61B17/221; K61B17/00S12; K61B17/221C;
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| U.S. Class: |
Current:
606/200;
606/033;
606/194;
Original:
606/200;
606/033;
606/194;
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| Field of Search: |
606/127,128,200,198,113,191,47,33,41,194
623/001
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| Priority Number: |
| 1997-08-13 |
US1997000910645 |
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| Abstract: |
The retention of free coils or GDC coils within body cavities or aneurysms in the human vascular system is achieved through the use of a GDC cage. The GDC cage is comprised of an expandable cage coupled to the wire, which cage and wire are disposed within a catheter. The cage has a memory so that it normally assumes an expanded configuration when unconfined, but is capable of assuming a collapsed configuration when disposed and confined within the catheter. In the illustrated embodiments a detachable joint is provided between the cage and wire so that the cage may be selectively detached from the wire and left in place within the body lumen in its selected position in the expanded configuration. The cage may thus be placed and detached in aneurysms to retain the coils disposed therein or placed in front of aneurysm openings to prevent the escape of free coils from the aneurysm. The cage may be used as a fishing tool to capture escaped free coils in the vessel, which may have escaped from the aneurysm. In addition, RF energy may be applied to the cage so that when the cage is placed in a large body lumen, it serves as a collapsible RF antenna. As the body lumen shrinks on the cage, the cage compliantly yields while continuing to deliver RF energy to the body lumen until the desired amount of shrinkage is obtained.
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| Attorney, Agent or Firm: |
Dawes, Daniel L. ;
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| Primary / Asst. Examiners: |
Buiz, Michael; Woo, Julian W.
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Designated Country: |
CA EP JP
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| Family: |
Show 2 known family members
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First Claim:
Show all 19 claims |
I claim:
1. An apparatus for use within a body lumen comprising:
- a wire;
- a selectively detachable joint;
- an expandable cage, said joint coupling said cage to said wire; said expandable cage capable of assuming a collapsed and expanded configuration, said expanded configuration being self-assumed by said cage when said cage is freed of confinement,
- whereby, said cage expands for deployment within said body lumen.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 58 U.S. patent(s) that reference this one
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