| 摘要 |
A self-centering catheter, comprising a catheter body with a distal end and a proximal end, the catheter body having a first opening in communication with a first lumen of the catheter body and a second opening in communication with a second lumen of the catheter body; and an 5 expansible member coupled to and around the catheter body, the expansible member comprising a first portion coupled in a fixed relation to the catheter body and a second portion moveably coupled to the catheter body such that the second portion is configured to move relative to the first portion to accommodate expansion of the expansible member, the expansible member configured to center at least a portion of the catheter body within a blood vessel lumen; wherein the expansible member 0 comprises a plurality of longitudinal struts between the first portion and second portion, and is configured such that, if expanded, the plurality of longitudinal struts at least partially define a first cone configured to permit passage of thrombi and a second cone configured to collect thrombi. |
