Title:
磁気共鳴画像を使用した組織穿刺カテーテルの生体内における位置特定および追跡
Document Type and Number:
Japanese Patent JP2009533175
Kind Code:
A
Abstract:
Magnetic resonance image (MRI) guided tissue penetrating catheters and their methods of use. One or more MRI apparatus (e.g., one or more coils) are positioned on or in a catheter device that includes a tissue penetrator that may be used to form a penetration tract from a body lumen in which the catheter is positioned to a target location outside of that body lumen. The MRI apparatus (e.g., coil(s)) is/are used in conjunction with an MRI imaging system to indicate the position and/or rotational orientation of the penetrating catheter within the subject's body.
Inventors:
Macauray patrick
Nayak Asya
Nayak Asya
Application Number:
JP2009505560A
Publication Date:
September 17, 2009
Filing Date:
April 09, 2007
Export Citation:
Assignee:
Medtronic Vascular Inc.
International Classes:
A61B5/055; A61M25/00; G01R33/34
Domestic Patent References:
| JP2004524893A | 2004-08-19 |
Foreign References:
| WO2004068947A2 | 2004-08-19 |
Attorney, Agent or Firm:
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Hiroshi Kitamura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Hiroshi Kitamura