发明授权
US5827237A Dual lumen catheter with controlled antegrade and retrograde fluid flow
失效
具有受控顺行和逆行流体流动的双腔导管
- 专利标题: Dual lumen catheter with controlled antegrade and retrograde fluid flow
- 专利标题(中): 具有受控顺行和逆行流体流动的双腔导管
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申请号: US664361申请日: 1996-06-17
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公开(公告)号: US5827237A公开(公告)日: 1998-10-27
- 发明人: John A. Macoviak , Michael Ross
- 申请人: John A. Macoviak , Michael Ross
- 申请人地址: CA Saratoga
- 专利权人: Cardeon Corporation
- 当前专利权人: Cardeon Corporation
- 当前专利权人地址: CA Saratoga
- 主分类号: A61M25/00
- IPC分类号: A61M25/00 ; A61M5/00
摘要:
A catheter device regulates fluid flow within a circulatory vessel. Included is an elongated catheter body configured to access one of a circulatory vessel or a heart chamber. The catheter body includes a proximal end, a distal end, and a first lumen including an open proximal end and a distal end with a port formed at a distal portion of the distal end. A second lumen is also included in the catheter body with an open proximal end. An antegrade valve is coupled to an exterior of the catheter body and configured to provide a controllable antegrade flow and a controllable retrograde flow along the exterior of the catheter body. The antegrade flow is greater than the retrograde flow. A retrograde valve may be included which provides a controllable retrograde and antegrade flow along the exterior of the catheter body. When a retrograde valve is used, the retrograde flow is greater than the antegrade flow.
公开/授权文献
- US5164998A Apparatus and method for image pattern analysis 公开/授权日:1992-11-17
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