Title:
卒中および他の小血管血栓塞栓症を治療するための塞栓摘出用カテーテル
Document Type and Number:
Japanese Patent JP4219558
Kind Code:
B2
Abstract:
Embolectomy catheters, rapid exchange micro catheters, systems and methods for removing obstructive matter (e.g., thrombus, thromboemboli, embolic fragments of atherschlerotic plaque, foreign objects, etc.) from blood vessel. This invention is particularly useable for percutaneous removal of thromboemboli or other obstructive matter from small blood vessels of the brain, during an evolving stroke or period of cerebral ischemia. In some embodiments, the embolectomy catheters of this invention are advanceable over a guidewire which has been pre-inserted through or around the obstructive matter. Also, in some embodiments, the embolectomy catheters include obstructive matter capturing receptacles which are deployable from the catheter alter the catheter has been advanced at least partially through the obstructive matter. Such obstructive matter capturing receptacles may include i) at least one proximal strut which are designed to be retractable, through a blood clot and ii) a distal matter-receiving portion which is designed to prevent a blood clot from passing therethrough.
Inventors:
Rosen Bruce, Robert F.
Cox, Brian Jay.
Green, George Earl. Jr.
Cox, Brian Jay.
Green, George Earl. Jr.
Application Number:
JP2000546825A
Publication Date:
February 04, 2009
Filing Date:
April 30, 1999
Export Citation:
Assignee:
MICROVENTION, INC.
International Classes:
A61B17/221; A61B17/22; A61F2/958
Domestic Patent References:
| JP5137729A | ||||
| JP7124247A |
Foreign References:
| US5490859 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda