Title:
脆弱性斑を治療する吸引バルーンカテーテル
Document Type and Number:
Japanese Patent JP2005514979
Kind Code:
A
Abstract:
Devices and methods for extracting core material contained in plaque deposits inside a blood vessel are presented. A device in accordance with one embodiment of the invention includes a catheter having an elongate shaft, a collection array of a plurality of collection lumens disposed about the distal portion of the elongate shaft, a means for radially extending and/or collapsing the collection array, and a suction means for extracting material from the lumen of the blood vessel. A method in accordance with one embodiment of the present invention includes the steps of inserting the distal portion of the catheter into a lumen of the blood vessel, positioning the distal end of the collection array proximate plaque deposits, extending the collection array to rupture the plaque deposits and urging core material therefrom, and extracting the material using a suction means fluidly coupled to the proximal end of the collection array.
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Inventors:
Dobrava, Eric M
Joke Wye
Joke Wye
Application Number:
JP2003559349A
Publication Date:
May 26, 2005
Filing Date:
January 07, 2003
Export Citation:
Assignee:
Boston Scientific Limited
International Classes:
A61B17/22; A61M25/00; A61M29/02; A61M1/00; (IPC1-7): A61B17/22; A61M25/00
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroyuki Uchida
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroyuki Uchida