| 主权项 |
1. An endoluminal filter, comprising:
a first support member having a first end and a second end, the second end formed into a retrieval feature; a second support member having a first end and a second end, the second end formed into a retrieval feature wherein the second support member crosses without connecting to the first support member and the first and second support members are attached to one another with the first end of the first support member attached to the second end of the second support member and the first end of the second support member attached to the second end of the first support member; a first loop formed between where the first end of the first support member is attached to the second end of the second support member and where the second support member crosses the first support member; a second loop formed between where the first end of the second support member is attached to the second end of the first support member and where the second support member crosses the first support member; a first, a second and a third anchor attached to the first loop, the first, second and third anchors having a first configuration, the first anchor and the second anchor attached to the first support member and the third anchor attached to the second support member; and a fourth anchor and a fifth anchor in the second loop, the fourth anchor and the fifth anchor having a second configuration different from the first configuration, the fourth anchor attached to the first support member within the second loop and the fifth anchor attached to the second support member within the second loop; and a material capture structure extending across the first loop. |
