发明名称 |
Assemblies and methods for advancing a guide wire through body tissue |
摘要 |
Systems and methods for advancing a guide wire through body tissue are described. In one form, the guide wire includes an interferometric guidance system and a tissue removal member. The interferometric guidance system is coupled to the guide wire and includes a first optic fiber, a second optic fiber, and a detecting element. The first optic fiber includes a first end and a second end, and extends through a guide wire bore so that the second end is adjacent the guide wire second end. The second optic fiber of the guidance system similarly includes a first end and a second end, and a reference mirror is positioned adjacent the second optic fiber second end. The detecting element is configured to determine interference between a light beam propagating through the first optic fiber and a light beam propagating through the second optic fiber. The tissue removal member also is coupled to the guide wire and is configured to create a path through body tissue so that the guide wire may be advanced therethrough. A treatment laser to ablate tissue may also be used to open a channel through the plaque. A guide wire or centering catheter may be used to facilitate this maneuver.
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申请公布号 |
US5951482(A) |
申请公布日期 |
1999.09.14 |
申请号 |
US19970943386 |
申请日期 |
1997.10.03 |
申请人 |
INTRALUMINAL THERAPEUTICS, INC. |
发明人 |
WINSTON, THOMAS R.;NEET, JOHN M. |
分类号 |
A61B5/00;A61B17/00;A61B18/24;A61M25/01;(IPC1-7):A61B6/00 |
主分类号 |
A61B5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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