| 摘要 |
It is one object of the present invention to provide a device for extracting a clot from a blood vessel in a non fragmented manner, comprising:
1. an endless wire coupled to a spring-like helical member having a plurality of loops; said loops are positioned at an angle A relatively to the main longitudinal axis of said blood vessel; and, are adapted to radially encircle at least a portion of the outer circumference of said clot; and,
2. a tubular mesh-like net for both enveloping said helical member and enclosing said clot therein;
wherein at least a portion of said clot is contemporaneously confined within said loops and said mesh-like net, such that radial compression forces and longitudinal shearing forces are exerted on said clot and the tendency of said clot to fragment is mitigated. |
